diff options
| author | green <green@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-07-11 03:59:16 +0000 |
|---|---|---|
| committer | green <green@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-07-11 03:59:16 +0000 |
| commit | 74b27b64774a3fef2d2bb53bc48a54776cd71bde (patch) | |
| tree | 1cdfe6cbc3f99ecc36f13fbb08586ff97d93a920 /libjava/org/xml/sax/helpers | |
| parent | 613d1c51894e96f2f2ef95ae422866a77f257f9c (diff) | |
| download | ppe42-gcc-74b27b64774a3fef2d2bb53bc48a54776cd71bde.tar.gz ppe42-gcc-74b27b64774a3fef2d2bb53bc48a54776cd71bde.zip | |
Add some org packages.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@43922 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava/org/xml/sax/helpers')
| -rw-r--r-- | libjava/org/xml/sax/helpers/AttributeListImpl.java | 310 | ||||
| -rw-r--r-- | libjava/org/xml/sax/helpers/AttributesImpl.java | 606 | ||||
| -rw-r--r-- | libjava/org/xml/sax/helpers/DefaultHandler.java | 447 | ||||
| -rw-r--r-- | libjava/org/xml/sax/helpers/LocatorImpl.java | 212 | ||||
| -rw-r--r-- | libjava/org/xml/sax/helpers/NamespaceSupport.java | 689 | ||||
| -rw-r--r-- | libjava/org/xml/sax/helpers/ParserAdapter.java | 1008 | ||||
| -rw-r--r-- | libjava/org/xml/sax/helpers/ParserFactory.java | 129 | ||||
| -rw-r--r-- | libjava/org/xml/sax/helpers/XMLFilterImpl.java | 769 | ||||
| -rw-r--r-- | libjava/org/xml/sax/helpers/XMLReaderAdapter.java | 526 | ||||
| -rw-r--r-- | libjava/org/xml/sax/helpers/XMLReaderFactory.java | 136 |
10 files changed, 4832 insertions, 0 deletions
diff --git a/libjava/org/xml/sax/helpers/AttributeListImpl.java b/libjava/org/xml/sax/helpers/AttributeListImpl.java new file mode 100644 index 00000000000..69754728c1f --- /dev/null +++ b/libjava/org/xml/sax/helpers/AttributeListImpl.java @@ -0,0 +1,310 @@ +// SAX default implementation for AttributeList.
+// No warranty; no copyright -- use this as you will.
+// $Id: AttributeListImpl.java,v 1.1 2000/10/02 02:43:20 sboag Exp $
+
+package org.xml.sax.helpers;
+
+import org.xml.sax.AttributeList;
+
+import java.util.Vector;
+
+
+/**
+ * Default implementation for AttributeList.
+ *
+ * <blockquote>
+ * <em>This module, both source code and documentation, is in the
+ * Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
+ * </blockquote>
+ *
+ * <p>AttributeList implements the deprecated SAX1 {@link
+ * org.xml.sax.AttributeList AttributeList} interface, and has been
+ * replaced by the new SAX2 {@link org.xml.sax.helpers.AttributesImpl
+ * AttributesImpl} interface.</p>
+ *
+ * <p>This class provides a convenience implementation of the SAX
+ * {@link org.xml.sax.AttributeList AttributeList} interface. This
+ * implementation is useful both for SAX parser writers, who can use
+ * it to provide attributes to the application, and for SAX application
+ * writers, who can use it to create a persistent copy of an element's
+ * attribute specifications:</p>
+ *
+ * <pre>
+ * private AttributeList myatts;
+ *
+ * public void startElement (String name, AttributeList atts)
+ * {
+ * // create a persistent copy of the attribute list
+ * // for use outside this method
+ * myatts = new AttributeListImpl(atts);
+ * [...]
+ * }
+ * </pre>
+ *
+ * <p>Please note that SAX parsers are not required to use this
+ * class to provide an implementation of AttributeList; it is
+ * supplied only as an optional convenience. In particular,
+ * parser writers are encouraged to invent more efficient
+ * implementations.</p>
+ *
+ * @deprecated This class implements a deprecated interface,
+ * {@link org.xml.sax.AttributeList AttributeList};
+ * that interface has been replaced by
+ * {@link org.xml.sax.Attributes Attributes},
+ * which is implemented in the
+ * {@link org.xml.sax.helpers.AttributesImpl
+ * AttributesImpl} helper class.
+ * @since SAX 1.0
+ * @author David Megginson,
+ * <a href="mailto:sax@megginson.com">sax@megginson.com</a>
+ * @version 2.0
+ * @see org.xml.sax.AttributeList
+ * @see org.xml.sax.DocumentHandler#startElement
+ */
+public class AttributeListImpl implements AttributeList
+{
+
+ /**
+ * Create an empty attribute list.
+ *
+ * <p>This constructor is most useful for parser writers, who
+ * will use it to create a single, reusable attribute list that
+ * can be reset with the clear method between elements.</p>
+ *
+ * @see #addAttribute
+ * @see #clear
+ */
+ public AttributeListImpl ()
+ {
+ }
+
+
+ /**
+ * Construct a persistent copy of an existing attribute list.
+ *
+ * <p>This constructor is most useful for application writers,
+ * who will use it to create a persistent copy of an existing
+ * attribute list.</p>
+ *
+ * @param atts The attribute list to copy
+ * @see org.xml.sax.DocumentHandler#startElement
+ */
+ public AttributeListImpl (AttributeList atts)
+ {
+ setAttributeList(atts);
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Methods specific to this class.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Set the attribute list, discarding previous contents.
+ *
+ * <p>This method allows an application writer to reuse an
+ * attribute list easily.</p>
+ *
+ * @param atts The attribute list to copy.
+ */
+ public void setAttributeList (AttributeList atts)
+ {
+ int count = atts.getLength();
+
+ clear();
+
+ for (int i = 0; i < count; i++) {
+ addAttribute(atts.getName(i), atts.getType(i), atts.getValue(i));
+ }
+ }
+
+
+ /**
+ * Add an attribute to an attribute list.
+ *
+ * <p>This method is provided for SAX parser writers, to allow them
+ * to build up an attribute list incrementally before delivering
+ * it to the application.</p>
+ *
+ * @param name The attribute name.
+ * @param type The attribute type ("NMTOKEN" for an enumeration).
+ * @param value The attribute value (must not be null).
+ * @see #removeAttribute
+ * @see org.xml.sax.DocumentHandler#startElement
+ */
+ public void addAttribute (String name, String type, String value)
+ {
+ names.addElement(name);
+ types.addElement(type);
+ values.addElement(value);
+ }
+
+
+ /**
+ * Remove an attribute from the list.
+ *
+ * <p>SAX application writers can use this method to filter an
+ * attribute out of an AttributeList. Note that invoking this
+ * method will change the length of the attribute list and
+ * some of the attribute's indices.</p>
+ *
+ * <p>If the requested attribute is not in the list, this is
+ * a no-op.</p>
+ *
+ * @param name The attribute name.
+ * @see #addAttribute
+ */
+ public void removeAttribute (String name)
+ {
+ int i = names.indexOf(name);
+
+ if (i >= 0) {
+ names.removeElementAt(i);
+ types.removeElementAt(i);
+ values.removeElementAt(i);
+ }
+ }
+
+
+ /**
+ * Clear the attribute list.
+ *
+ * <p>SAX parser writers can use this method to reset the attribute
+ * list between DocumentHandler.startElement events. Normally,
+ * it will make sense to reuse the same AttributeListImpl object
+ * rather than allocating a new one each time.</p>
+ *
+ * @see org.xml.sax.DocumentHandler#startElement
+ */
+ public void clear ()
+ {
+ names.removeAllElements();
+ types.removeAllElements();
+ values.removeAllElements();
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Implementation of org.xml.sax.AttributeList
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Return the number of attributes in the list.
+ *
+ * @return The number of attributes in the list.
+ * @see org.xml.sax.AttributeList#getLength
+ */
+ public int getLength ()
+ {
+ return names.size();
+ }
+
+
+ /**
+ * Get the name of an attribute (by position).
+ *
+ * @param i The position of the attribute in the list.
+ * @return The attribute name as a string, or null if there
+ * is no attribute at that position.
+ * @see org.xml.sax.AttributeList#getName(int)
+ */
+ public String getName (int i)
+ {
+ if (i < 0) {
+ return null;
+ }
+ try {
+ return (String)names.elementAt(i);
+ } catch (ArrayIndexOutOfBoundsException e) {
+ return null;
+ }
+ }
+
+
+ /**
+ * Get the type of an attribute (by position).
+ *
+ * @param i The position of the attribute in the list.
+ * @return The attribute type as a string ("NMTOKEN" for an
+ * enumeration, and "CDATA" if no declaration was
+ * read), or null if there is no attribute at
+ * that position.
+ * @see org.xml.sax.AttributeList#getType(int)
+ */
+ public String getType (int i)
+ {
+ if (i < 0) {
+ return null;
+ }
+ try {
+ return (String)types.elementAt(i);
+ } catch (ArrayIndexOutOfBoundsException e) {
+ return null;
+ }
+ }
+
+
+ /**
+ * Get the value of an attribute (by position).
+ *
+ * @param i The position of the attribute in the list.
+ * @return The attribute value as a string, or null if
+ * there is no attribute at that position.
+ * @see org.xml.sax.AttributeList#getValue(int)
+ */
+ public String getValue (int i)
+ {
+ if (i < 0) {
+ return null;
+ }
+ try {
+ return (String)values.elementAt(i);
+ } catch (ArrayIndexOutOfBoundsException e) {
+ return null;
+ }
+ }
+
+
+ /**
+ * Get the type of an attribute (by name).
+ *
+ * @param name The attribute name.
+ * @return The attribute type as a string ("NMTOKEN" for an
+ * enumeration, and "CDATA" if no declaration was
+ * read).
+ * @see org.xml.sax.AttributeList#getType(java.lang.String)
+ */
+ public String getType (String name)
+ {
+ return getType(names.indexOf(name));
+ }
+
+
+ /**
+ * Get the value of an attribute (by name).
+ *
+ * @param name The attribute name.
+ * @see org.xml.sax.AttributeList#getValue(java.lang.String)
+ */
+ public String getValue (String name)
+ {
+ return getValue(names.indexOf(name));
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Internal state.
+ ////////////////////////////////////////////////////////////////////
+
+ Vector names = new Vector();
+ Vector types = new Vector();
+ Vector values = new Vector();
+
+}
+
+// end of AttributeListImpl.java
diff --git a/libjava/org/xml/sax/helpers/AttributesImpl.java b/libjava/org/xml/sax/helpers/AttributesImpl.java new file mode 100644 index 00000000000..b714f39fdb8 --- /dev/null +++ b/libjava/org/xml/sax/helpers/AttributesImpl.java @@ -0,0 +1,606 @@ +// AttributesImpl.java - default implementation of Attributes.
+// Written by David Megginson, sax@megginson.com
+// NO WARRANTY! This class is in the public domain.
+
+// $Id: AttributesImpl.java,v 1.2 2001/05/31 16:03:17 garyp Exp $
+
+
+package org.xml.sax.helpers;
+
+import org.xml.sax.Attributes;
+
+
+/**
+ * Default implementation of the Attributes interface.
+ *
+ * <blockquote>
+ * <em>This module, both source code and documentation, is in the
+ * Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
+ * </blockquote>
+ *
+ * <p>This class provides a default implementation of the SAX2
+ * {@link org.xml.sax.Attributes Attributes} interface, with the
+ * addition of manipulators so that the list can be modified or
+ * reused.</p>
+ *
+ * <p>There are two typical uses of this class:</p>
+ *
+ * <ol>
+ * <li>to take a persistent snapshot of an Attributes object
+ * in a {@link org.xml.sax.ContentHandler#startElement startElement} event; or</li>
+ * <li>to construct or modify an Attributes object in a SAX2 driver or filter.</li>
+ * </ol>
+ *
+ * <p>This class replaces the now-deprecated SAX1 {@link
+ * org.xml.sax.helpers.AttributeListImpl AttributeListImpl}
+ * class; in addition to supporting the updated Attributes
+ * interface rather than the deprecated {@link org.xml.sax.AttributeList
+ * AttributeList} interface, it also includes a much more efficient
+ * implementation using a single array rather than a set of Vectors.</p>
+ *
+ * @since SAX 2.0
+ * @author David Megginson,
+ * <a href="mailto:sax@megginson.com">sax@megginson.com</a>
+ * @version 2.0
+ */
+public class AttributesImpl implements Attributes
+{
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Constructors.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Construct a new, empty AttributesImpl object.
+ */
+ public AttributesImpl ()
+ {
+ length = 0;
+ data = null;
+ }
+
+
+ /**
+ * Copy an existing Attributes object.
+ *
+ * <p>This constructor is especially useful inside a
+ * {@link org.xml.sax.ContentHandler#startElement startElement} event.</p>
+ *
+ * @param atts The existing Attributes object.
+ */
+ public AttributesImpl (Attributes atts)
+ {
+ setAttributes(atts);
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Implementation of org.xml.sax.Attributes.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Return the number of attributes in the list.
+ *
+ * @return The number of attributes in the list.
+ * @see org.xml.sax.Attributes#getLength
+ */
+ public int getLength ()
+ {
+ return length;
+ }
+
+
+ /**
+ * Return an attribute's Namespace URI.
+ *
+ * @param index The attribute's index (zero-based).
+ * @return The Namespace URI, the empty string if none is
+ * available, or null if the index is out of range.
+ * @see org.xml.sax.Attributes#getURI
+ */
+ public String getURI (int index)
+ {
+ if (index >= 0 && index < length) {
+ return data[index*5];
+ } else {
+ return null;
+ }
+ }
+
+
+ /**
+ * Return an attribute's local name.
+ *
+ * @param index The attribute's index (zero-based).
+ * @return The attribute's local name, the empty string if
+ * none is available, or null if the index if out of range.
+ * @see org.xml.sax.Attributes#getLocalName
+ */
+ public String getLocalName (int index)
+ {
+ if (index >= 0 && index < length) {
+ return data[index*5+1];
+ } else {
+ return null;
+ }
+ }
+
+
+ /**
+ * Return an attribute's qualified (prefixed) name.
+ *
+ * @param index The attribute's index (zero-based).
+ * @return The attribute's qualified name, the empty string if
+ * none is available, or null if the index is out of bounds.
+ * @see org.xml.sax.Attributes#getQName
+ */
+ public String getQName (int index)
+ {
+ if (index >= 0 && index < length) {
+ return data[index*5+2];
+ } else {
+ return null;
+ }
+ }
+
+
+ /**
+ * Return an attribute's type by index.
+ *
+ * @param index The attribute's index (zero-based).
+ * @return The attribute's type, "CDATA" if the type is unknown, or null
+ * if the index is out of bounds.
+ * @see org.xml.sax.Attributes#getType(int)
+ */
+ public String getType (int index)
+ {
+ if (index >= 0 && index < length) {
+ return data[index*5+3];
+ } else {
+ return null;
+ }
+ }
+
+
+ /**
+ * Return an attribute's value by index.
+ *
+ * @param index The attribute's index (zero-based).
+ * @return The attribute's value or null if the index is out of bounds.
+ * @see org.xml.sax.Attributes#getValue(int)
+ */
+ public String getValue (int index)
+ {
+ if (index >= 0 && index < length) {
+ return data[index*5+4];
+ } else {
+ return null;
+ }
+ }
+
+
+ /**
+ * Look up an attribute's index by Namespace name.
+ *
+ * <p>In many cases, it will be more efficient to look up the name once and
+ * use the index query methods rather than using the name query methods
+ * repeatedly.</p>
+ *
+ * @param uri The attribute's Namespace URI, or the empty
+ * string if none is available.
+ * @param localName The attribute's local name.
+ * @return The attribute's index, or -1 if none matches.
+ * @see org.xml.sax.Attributes#getIndex(java.lang.String,java.lang.String)
+ */
+ public int getIndex (String uri, String localName)
+ {
+ int max = length * 5;
+ for (int i = 0; i < max; i += 5) {
+ if (data[i].equals(uri) && data[i+1].equals(localName)) {
+ return i / 5;
+ }
+ }
+ return -1;
+ }
+
+
+ /**
+ * Look up an attribute's index by qualified (prefixed) name.
+ *
+ * @param qName The qualified name.
+ * @return The attribute's index, or -1 if none matches.
+ * @see org.xml.sax.Attributes#getIndex(java.lang.String)
+ */
+ public int getIndex (String qName)
+ {
+ int max = length * 5;
+ for (int i = 0; i < max; i += 5) {
+ if (data[i+2].equals(qName)) {
+ return i / 5;
+ }
+ }
+ return -1;
+ }
+
+
+ /**
+ * Look up an attribute's type by Namespace-qualified name.
+ *
+ * @param uri The Namespace URI, or the empty string for a name
+ * with no explicit Namespace URI.
+ * @param localName The local name.
+ * @return The attribute's type, or null if there is no
+ * matching attribute.
+ * @see org.xml.sax.Attributes#getType(java.lang.String,java.lang.String)
+ */
+ public String getType (String uri, String localName)
+ {
+ int max = length * 5;
+ for (int i = 0; i < max; i += 5) {
+ if (data[i].equals(uri) && data[i+1].equals(localName)) {
+ return data[i+3];
+ }
+ }
+ return null;
+ }
+
+
+ /**
+ * Look up an attribute's type by qualified (prefixed) name.
+ *
+ * @param qName The qualified name.
+ * @return The attribute's type, or null if there is no
+ * matching attribute.
+ * @see org.xml.sax.Attributes#getType(java.lang.String)
+ */
+ public String getType (String qName)
+ {
+ int max = length * 5;
+ for (int i = 0; i < max; i += 5) {
+ if (data[i+2].equals(qName)) {
+ return data[i+3];
+ }
+ }
+ return null;
+ }
+
+
+ /**
+ * Look up an attribute's value by Namespace-qualified name.
+ *
+ * @param uri The Namespace URI, or the empty string for a name
+ * with no explicit Namespace URI.
+ * @param localName The local name.
+ * @return The attribute's value, or null if there is no
+ * matching attribute.
+ * @see org.xml.sax.Attributes#getValue(java.lang.String,java.lang.String)
+ */
+ public String getValue (String uri, String localName)
+ {
+ int max = length * 5;
+ for (int i = 0; i < max; i += 5) {
+ if (data[i].equals(uri) && data[i+1].equals(localName)) {
+ return data[i+4];
+ }
+ }
+ return null;
+ }
+
+
+ /**
+ * Look up an attribute's value by qualified (prefixed) name.
+ *
+ * @param qName The qualified name.
+ * @return The attribute's value, or null if there is no
+ * matching attribute.
+ * @see org.xml.sax.Attributes#getValue(java.lang.String)
+ */
+ public String getValue (String qName)
+ {
+ int max = length * 5;
+ for (int i = 0; i < max; i += 5) {
+ if (data[i+2].equals(qName)) {
+ return data[i+4];
+ }
+ }
+ return null;
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Manipulators.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Clear the attribute list for reuse.
+ *
+ * <p>Note that no memory is actually freed by this call:
+ * the current arrays are kept so that they can be
+ * reused.</p>
+ */
+ public void clear ()
+ {
+ length = 0;
+ }
+
+
+ /**
+ * Copy an entire Attributes object.
+ *
+ * <p>It may be more efficient to reuse an existing object
+ * rather than constantly allocating new ones.</p>
+ *
+ * @param atts The attributes to copy.
+ */
+ public void setAttributes (Attributes atts)
+ {
+ clear();
+ length = atts.getLength();
+ data = new String[length*5];
+ for (int i = 0; i < length; i++) {
+ data[i*5] = atts.getURI(i);
+ data[i*5+1] = atts.getLocalName(i);
+ data[i*5+2] = atts.getQName(i);
+ data[i*5+3] = atts.getType(i);
+ data[i*5+4] = atts.getValue(i);
+ }
+ }
+
+
+ /**
+ * Add an attribute to the end of the list.
+ *
+ * <p>For the sake of speed, this method does no checking
+ * to see if the attribute is already in the list: that is
+ * the responsibility of the application.</p>
+ *
+ * @param uri The Namespace URI, or the empty string if
+ * none is available or Namespace processing is not
+ * being performed.
+ * @param localName The local name, or the empty string if
+ * Namespace processing is not being performed.
+ * @param qName The qualified (prefixed) name, or the empty string
+ * if qualified names are not available.
+ * @param type The attribute type as a string.
+ * @param value The attribute value.
+ */
+ public void addAttribute (String uri, String localName, String qName,
+ String type, String value)
+ {
+ ensureCapacity(length+1);
+ data[length*5] = uri;
+ data[length*5+1] = localName;
+ data[length*5+2] = qName;
+ data[length*5+3] = type;
+ data[length*5+4] = value;
+ length++;
+ }
+
+
+ /**
+ * Set an attribute in the list.
+ *
+ * <p>For the sake of speed, this method does no checking
+ * for name conflicts or well-formedness: such checks are the
+ * responsibility of the application.</p>
+ *
+ * @param index The index of the attribute (zero-based).
+ * @param uri The Namespace URI, or the empty string if
+ * none is available or Namespace processing is not
+ * being performed.
+ * @param localName The local name, or the empty string if
+ * Namespace processing is not being performed.
+ * @param qName The qualified name, or the empty string
+ * if qualified names are not available.
+ * @param type The attribute type as a string.
+ * @param value The attribute value.
+ * @exception java.lang.ArrayIndexOutOfBoundsException When the
+ * supplied index does not point to an attribute
+ * in the list.
+ */
+ public void setAttribute (int index, String uri, String localName,
+ String qName, String type, String value)
+ {
+ if (index >= 0 && index < length) {
+ data[index*5] = uri;
+ data[index*5+1] = localName;
+ data[index*5+2] = qName;
+ data[index*5+3] = type;
+ data[index*5+4] = value;
+ } else {
+ badIndex(index);
+ }
+ }
+
+
+ /**
+ * Remove an attribute from the list.
+ *
+ * @param index The index of the attribute (zero-based).
+ * @exception java.lang.ArrayIndexOutOfBoundsException When the
+ * supplied index does not point to an attribute
+ * in the list.
+ */
+ public void removeAttribute (int index)
+ {
+ if (index >= 0 && index < length) {
+ data[index*5] = null;
+ data[index*5+1] = null;
+ data[index*5+2] = null;
+ data[index*5+3] = null;
+ data[index*5+4] = null;
+ if (index < length - 1) {
+ System.arraycopy(data, (index+1)*5, data, index*5,
+ (length-index-1)*5);
+ }
+ length--;
+ } else {
+ badIndex(index);
+ }
+ }
+
+
+ /**
+ * Set the Namespace URI of a specific attribute.
+ *
+ * @param index The index of the attribute (zero-based).
+ * @param uri The attribute's Namespace URI, or the empty
+ * string for none.
+ * @exception java.lang.ArrayIndexOutOfBoundsException When the
+ * supplied index does not point to an attribute
+ * in the list.
+ */
+ public void setURI (int index, String uri)
+ {
+ if (index >= 0 && index < length) {
+ data[index*5] = uri;
+ } else {
+ badIndex(index);
+ }
+ }
+
+
+ /**
+ * Set the local name of a specific attribute.
+ *
+ * @param index The index of the attribute (zero-based).
+ * @param localName The attribute's local name, or the empty
+ * string for none.
+ * @exception java.lang.ArrayIndexOutOfBoundsException When the
+ * supplied index does not point to an attribute
+ * in the list.
+ */
+ public void setLocalName (int index, String localName)
+ {
+ if (index >= 0 && index < length) {
+ data[index*5+1] = localName;
+ } else {
+ badIndex(index);
+ }
+ }
+
+
+ /**
+ * Set the qualified name of a specific attribute.
+ *
+ * @param index The index of the attribute (zero-based).
+ * @param qName The attribute's qualified name, or the empty
+ * string for none.
+ * @exception java.lang.ArrayIndexOutOfBoundsException When the
+ * supplied index does not point to an attribute
+ * in the list.
+ */
+ public void setQName (int index, String qName)
+ {
+ if (index >= 0 && index < length) {
+ data[index*5+2] = qName;
+ } else {
+ badIndex(index);
+ }
+ }
+
+
+ /**
+ * Set the type of a specific attribute.
+ *
+ * @param index The index of the attribute (zero-based).
+ * @param type The attribute's type.
+ * @exception java.lang.ArrayIndexOutOfBoundsException When the
+ * supplied index does not point to an attribute
+ * in the list.
+ */
+ public void setType (int index, String type)
+ {
+ if (index >= 0 && index < length) {
+ data[index*5+3] = type;
+ } else {
+ badIndex(index);
+ }
+ }
+
+
+ /**
+ * Set the value of a specific attribute.
+ *
+ * @param index The index of the attribute (zero-based).
+ * @param value The attribute's value.
+ * @exception java.lang.ArrayIndexOutOfBoundsException When the
+ * supplied index does not point to an attribute
+ * in the list.
+ */
+ public void setValue (int index, String value)
+ {
+ if (index >= 0 && index < length) {
+ data[index*5+4] = value;
+ } else {
+ badIndex(index);
+ }
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Internal methods.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Ensure the internal array's capacity.
+ *
+ * @param n The minimum number of attributes that the array must
+ * be able to hold.
+ */
+ private void ensureCapacity (int n)
+ {
+ if (n > 0 && data == null) {
+ data = new String[25];
+ }
+
+ int max = data.length;
+ if (max >= n * 5) {
+ return;
+ }
+
+
+ while (max < n * 5) {
+ max *= 2;
+ }
+ String newData[] = new String[max];
+ System.arraycopy(data, 0, newData, 0, length*5);
+ data = newData;
+ }
+
+
+ /**
+ * Report a bad array index in a manipulator.
+ *
+ * @param index The index to report.
+ * @exception java.lang.ArrayIndexOutOfBoundsException Always.
+ */
+ private void badIndex (int index)
+ throws ArrayIndexOutOfBoundsException
+ {
+ String msg =
+ "Attempt to modify attribute at illegal index: " + index;
+ throw new ArrayIndexOutOfBoundsException(msg);
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Internal state.
+ ////////////////////////////////////////////////////////////////////
+
+ int length;
+ String data [];
+
+}
+
+// end of AttributesImpl.java
+
diff --git a/libjava/org/xml/sax/helpers/DefaultHandler.java b/libjava/org/xml/sax/helpers/DefaultHandler.java new file mode 100644 index 00000000000..dfda9c39a94 --- /dev/null +++ b/libjava/org/xml/sax/helpers/DefaultHandler.java @@ -0,0 +1,447 @@ +// DefaultHandler.java - default implementation of the core handlers.
+// Written by David Megginson, sax@megginson.com
+// NO WARRANTY! This class is in the public domain.
+
+// $Id: DefaultHandler.java,v 1.1 2000/10/02 02:43:20 sboag Exp $
+
+package org.xml.sax.helpers;
+
+import org.xml.sax.InputSource;
+import org.xml.sax.Locator;
+import org.xml.sax.Attributes;
+import org.xml.sax.EntityResolver;
+import org.xml.sax.DTDHandler;
+import org.xml.sax.ContentHandler;
+import org.xml.sax.ErrorHandler;
+import org.xml.sax.SAXException;
+import org.xml.sax.SAXParseException;
+
+
+/**
+ * Default base class for SAX2 event handlers.
+ *
+ * <blockquote>
+ * <em>This module, both source code and documentation, is in the
+ * Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
+ * </blockquote>
+ *
+ * <p>This class is available as a convenience base class for SAX2
+ * applications: it provides default implementations for all of the
+ * callbacks in the four core SAX2 handler classes:</p>
+ *
+ * <ul>
+ * <li>{@link org.xml.sax.EntityResolver EntityResolver}</li>
+ * <li>{@link org.xml.sax.DTDHandler DTDHandler}</li>
+ * <li>{@link org.xml.sax.ContentHandler ContentHandler}</li>
+ * <li>{@link org.xml.sax.ErrorHandler ErrorHandler}</li>
+ * </ul>
+ *
+ * <p>Application writers can extend this class when they need to
+ * implement only part of an interface; parser writers can
+ * instantiate this class to provide default handlers when the
+ * application has not supplied its own.</p>
+ *
+ * <p>This class replaces the deprecated SAX1
+ * {@link org.xml.sax.HandlerBase HandlerBase} class.</p>
+ *
+ * @since SAX 2.0
+ * @author David Megginson,
+ * <a href="mailto:sax@megginson.com">sax@megginson.com</a>
+ * @version 2.0
+ * @see org.xml.sax.EntityResolver
+ * @see org.xml.sax.DTDHandler
+ * @see org.xml.sax.ContentHandler
+ * @see org.xml.sax.ErrorHandler
+ */
+public class DefaultHandler
+ implements EntityResolver, DTDHandler, ContentHandler, ErrorHandler
+{
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Default implementation of the EntityResolver interface.
+ ////////////////////////////////////////////////////////////////////
+
+ /**
+ * Resolve an external entity.
+ *
+ * <p>Always return null, so that the parser will use the system
+ * identifier provided in the XML document. This method implements
+ * the SAX default behaviour: application writers can override it
+ * in a subclass to do special translations such as catalog lookups
+ * or URI redirection.</p>
+ *
+ * @param publicId The public identifer, or null if none is
+ * available.
+ * @param systemId The system identifier provided in the XML
+ * document.
+ * @return The new input source, or null to require the
+ * default behaviour.
+ * @exception org.xml.sax.SAXException Any SAX exception, possibly
+ * wrapping another exception.
+ * @see org.xml.sax.EntityResolver#resolveEntity
+ */
+ public InputSource resolveEntity (String publicId, String systemId)
+ throws SAXException
+ {
+ return null;
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Default implementation of DTDHandler interface.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Receive notification of a notation declaration.
+ *
+ * <p>By default, do nothing. Application writers may override this
+ * method in a subclass if they wish to keep track of the notations
+ * declared in a document.</p>
+ *
+ * @param name The notation name.
+ * @param publicId The notation public identifier, or null if not
+ * available.
+ * @param systemId The notation system identifier.
+ * @exception org.xml.sax.SAXException Any SAX exception, possibly
+ * wrapping another exception.
+ * @see org.xml.sax.DTDHandler#notationDecl
+ */
+ public void notationDecl (String name, String publicId, String systemId)
+ throws SAXException
+ {
+ // no op
+ }
+
+
+ /**
+ * Receive notification of an unparsed entity declaration.
+ *
+ * <p>By default, do nothing. Application writers may override this
+ * method in a subclass to keep track of the unparsed entities
+ * declared in a document.</p>
+ *
+ * @param name The entity name.
+ * @param publicId The entity public identifier, or null if not
+ * available.
+ * @param systemId The entity system identifier.
+ * @param notationName The name of the associated notation.
+ * @exception org.xml.sax.SAXException Any SAX exception, possibly
+ * wrapping another exception.
+ * @see org.xml.sax.DTDHandler#unparsedEntityDecl
+ */
+ public void unparsedEntityDecl (String name, String publicId,
+ String systemId, String notationName)
+ throws SAXException
+ {
+ // no op
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Default implementation of ContentHandler interface.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Receive a Locator object for document events.
+ *
+ * <p>By default, do nothing. Application writers may override this
+ * method in a subclass if they wish to store the locator for use
+ * with other document events.</p>
+ *
+ * @param locator A locator for all SAX document events.
+ * @see org.xml.sax.ContentHandler#setDocumentLocator
+ * @see org.xml.sax.Locator
+ */
+ public void setDocumentLocator (Locator locator)
+ {
+ // no op
+ }
+
+
+ /**
+ * Receive notification of the beginning of the document.
+ *
+ * <p>By default, do nothing. Application writers may override this
+ * method in a subclass to take specific actions at the beginning
+ * of a document (such as allocating the root node of a tree or
+ * creating an output file).</p>
+ *
+ * @exception org.xml.sax.SAXException Any SAX exception, possibly
+ * wrapping another exception.
+ * @see org.xml.sax.ContentHandler#startDocument
+ */
+ public void startDocument ()
+ throws SAXException
+ {
+ // no op
+ }
+
+
+ /**
+ * Receive notification of the end of the document.
+ *
+ * <p>By default, do nothing. Application writers may override this
+ * method in a subclass to take specific actions at the end
+ * of a document (such as finalising a tree or closing an output
+ * file).</p>
+ *
+ * @exception org.xml.sax.SAXException Any SAX exception, possibly
+ * wrapping another exception.
+ * @see org.xml.sax.ContentHandler#endDocument
+ */
+ public void endDocument ()
+ throws SAXException
+ {
+ // no op
+ }
+
+
+ /**
+ * Receive notification of the start of a Namespace mapping.
+ *
+ * <p>By default, do nothing. Application writers may override this
+ * method in a subclass to take specific actions at the start of
+ * each Namespace prefix scope (such as storing the prefix mapping).</p>
+ *
+ * @param prefix The Namespace prefix being declared.
+ * @param uri The Namespace URI mapped to the prefix.
+ * @exception org.xml.sax.SAXException Any SAX exception, possibly
+ * wrapping another exception.
+ * @see org.xml.sax.ContentHandler#startPrefixMapping
+ */
+ public void startPrefixMapping (String prefix, String uri)
+ throws SAXException
+ {
+ // no op
+ }
+
+
+ /**
+ * Receive notification of the end of a Namespace mapping.
+ *
+ * <p>By default, do nothing. Application writers may override this
+ * method in a subclass to take specific actions at the end of
+ * each prefix mapping.</p>
+ *
+ * @param prefix The Namespace prefix being declared.
+ * @exception org.xml.sax.SAXException Any SAX exception, possibly
+ * wrapping another exception.
+ * @see org.xml.sax.ContentHandler#endPrefixMapping
+ */
+ public void endPrefixMapping (String prefix)
+ throws SAXException
+ {
+ // no op
+ }
+
+
+ /**
+ * Receive notification of the start of an element.
+ *
+ * <p>By default, do nothing. Application writers may override this
+ * method in a subclass to take specific actions at the start of
+ * each element (such as allocating a new tree node or writing
+ * output to a file).</p>
+ *
+ * @param name The element type name.
+ * @param attributes The specified or defaulted attributes.
+ * @exception org.xml.sax.SAXException Any SAX exception, possibly
+ * wrapping another exception.
+ * @see org.xml.sax.ContentHandler#startElement
+ */
+ public void startElement (String uri, String localName,
+ String qName, Attributes attributes)
+ throws SAXException
+ {
+ // no op
+ }
+
+
+ /**
+ * Receive notification of the end of an element.
+ *
+ * <p>By default, do nothing. Application writers may override this
+ * method in a subclass to take specific actions at the end of
+ * each element (such as finalising a tree node or writing
+ * output to a file).</p>
+ *
+ * @param name The element type name.
+ * @param attributes The specified or defaulted attributes.
+ * @exception org.xml.sax.SAXException Any SAX exception, possibly
+ * wrapping another exception.
+ * @see org.xml.sax.ContentHandler#endElement
+ */
+ public void endElement (String uri, String localName, String qName)
+ throws SAXException
+ {
+ // no op
+ }
+
+
+ /**
+ * Receive notification of character data inside an element.
+ *
+ * <p>By default, do nothing. Application writers may override this
+ * method to take specific actions for each chunk of character data
+ * (such as adding the data to a node or buffer, or printing it to
+ * a file).</p>
+ *
+ * @param ch The characters.
+ * @param start The start position in the character array.
+ * @param length The number of characters to use from the
+ * character array.
+ * @exception org.xml.sax.SAXException Any SAX exception, possibly
+ * wrapping another exception.
+ * @see org.xml.sax.ContentHandler#characters
+ */
+ public void characters (char ch[], int start, int length)
+ throws SAXException
+ {
+ // no op
+ }
+
+
+ /**
+ * Receive notification of ignorable whitespace in element content.
+ *
+ * <p>By default, do nothing. Application writers may override this
+ * method to take specific actions for each chunk of ignorable
+ * whitespace (such as adding data to a node or buffer, or printing
+ * it to a file).</p>
+ *
+ * @param ch The whitespace characters.
+ * @param start The start position in the character array.
+ * @param length The number of characters to use from the
+ * character array.
+ * @exception org.xml.sax.SAXException Any SAX exception, possibly
+ * wrapping another exception.
+ * @see org.xml.sax.ContentHandler#ignorableWhitespace
+ */
+ public void ignorableWhitespace (char ch[], int start, int length)
+ throws SAXException
+ {
+ // no op
+ }
+
+
+ /**
+ * Receive notification of a processing instruction.
+ *
+ * <p>By default, do nothing. Application writers may override this
+ * method in a subclass to take specific actions for each
+ * processing instruction, such as setting status variables or
+ * invoking other methods.</p>
+ *
+ * @param target The processing instruction target.
+ * @param data The processing instruction data, or null if
+ * none is supplied.
+ * @exception org.xml.sax.SAXException Any SAX exception, possibly
+ * wrapping another exception.
+ * @see org.xml.sax.ContentHandler#processingInstruction
+ */
+ public void processingInstruction (String target, String data)
+ throws SAXException
+ {
+ // no op
+ }
+
+
+ /**
+ * Receive notification of a skipped entity.
+ *
+ * <p>By default, do nothing. Application writers may override this
+ * method in a subclass to take specific actions for each
+ * processing instruction, such as setting status variables or
+ * invoking other methods.</p>
+ *
+ * @param name The name of the skipped entity.
+ * @exception org.xml.sax.SAXException Any SAX exception, possibly
+ * wrapping another exception.
+ * @see org.xml.sax.ContentHandler#processingInstruction
+ */
+ public void skippedEntity (String name)
+ throws SAXException
+ {
+ // no op
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Default implementation of the ErrorHandler interface.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Receive notification of a parser warning.
+ *
+ * <p>The default implementation does nothing. Application writers
+ * may override this method in a subclass to take specific actions
+ * for each warning, such as inserting the message in a log file or
+ * printing it to the console.</p>
+ *
+ * @param e The warning information encoded as an exception.
+ * @exception org.xml.sax.SAXException Any SAX exception, possibly
+ * wrapping another exception.
+ * @see org.xml.sax.ErrorHandler#warning
+ * @see org.xml.sax.SAXParseException
+ */
+ public void warning (SAXParseException e)
+ throws SAXException
+ {
+ // no op
+ }
+
+
+ /**
+ * Receive notification of a recoverable parser error.
+ *
+ * <p>The default implementation does nothing. Application writers
+ * may override this method in a subclass to take specific actions
+ * for each error, such as inserting the message in a log file or
+ * printing it to the console.</p>
+ *
+ * @param e The warning information encoded as an exception.
+ * @exception org.xml.sax.SAXException Any SAX exception, possibly
+ * wrapping another exception.
+ * @see org.xml.sax.ErrorHandler#warning
+ * @see org.xml.sax.SAXParseException
+ */
+ public void error (SAXParseException e)
+ throws SAXException
+ {
+ // no op
+ }
+
+
+ /**
+ * Report a fatal XML parsing error.
+ *
+ * <p>The default implementation throws a SAXParseException.
+ * Application writers may override this method in a subclass if
+ * they need to take specific actions for each fatal error (such as
+ * collecting all of the errors into a single report): in any case,
+ * the application must stop all regular processing when this
+ * method is invoked, since the document is no longer reliable, and
+ * the parser may no longer report parsing events.</p>
+ *
+ * @param e The error information encoded as an exception.
+ * @exception org.xml.sax.SAXException Any SAX exception, possibly
+ * wrapping another exception.
+ * @see org.xml.sax.ErrorHandler#fatalError
+ * @see org.xml.sax.SAXParseException
+ */
+ public void fatalError (SAXParseException e)
+ throws SAXException
+ {
+ throw e;
+ }
+
+}
+
+// end of DefaultHandler.java
diff --git a/libjava/org/xml/sax/helpers/LocatorImpl.java b/libjava/org/xml/sax/helpers/LocatorImpl.java new file mode 100644 index 00000000000..634044ccff2 --- /dev/null +++ b/libjava/org/xml/sax/helpers/LocatorImpl.java @@ -0,0 +1,212 @@ +// SAX default implementation for Locator.
+// No warranty; no copyright -- use this as you will.
+// $Id: LocatorImpl.java,v 1.1 2000/10/02 02:43:20 sboag Exp $
+
+package org.xml.sax.helpers;
+
+import org.xml.sax.Locator;
+
+
+/**
+ * Provide an optional convenience implementation of Locator.
+ *
+ * <blockquote>
+ * <em>This module, both source code and documentation, is in the
+ * Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
+ * </blockquote>
+ *
+ * <p>This class is available mainly for application writers, who
+ * can use it to make a persistent snapshot of a locator at any
+ * point during a document parse:</p>
+ *
+ * <pre>
+ * Locator locator;
+ * Locator startloc;
+ *
+ * public void setLocator (Locator locator)
+ * {
+ * // note the locator
+ * this.locator = locator;
+ * }
+ *
+ * public void startDocument ()
+ * {
+ * // save the location of the start of the document
+ * // for future use.
+ * Locator startloc = new LocatorImpl(locator);
+ * }
+ *</pre>
+ *
+ * <p>Normally, parser writers will not use this class, since it
+ * is more efficient to provide location information only when
+ * requested, rather than constantly updating a Locator object.</p>
+ *
+ * @since SAX 1.0
+ * @author David Megginson,
+ * <a href="mailto:sax@megginson.com">sax@megginson.com</a>
+ * @version 2.0
+ * @see org.xml.sax.Locator Locator
+ */
+public class LocatorImpl implements Locator
+{
+
+
+ /**
+ * Zero-argument constructor.
+ *
+ * <p>This will not normally be useful, since the main purpose
+ * of this class is to make a snapshot of an existing Locator.</p>
+ */
+ public LocatorImpl ()
+ {
+ }
+
+
+ /**
+ * Copy constructor.
+ *
+ * <p>Create a persistent copy of the current state of a locator.
+ * When the original locator changes, this copy will still keep
+ * the original values (and it can be used outside the scope of
+ * DocumentHandler methods).</p>
+ *
+ * @param locator The locator to copy.
+ */
+ public LocatorImpl (Locator locator)
+ {
+ setPublicId(locator.getPublicId());
+ setSystemId(locator.getSystemId());
+ setLineNumber(locator.getLineNumber());
+ setColumnNumber(locator.getColumnNumber());
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Implementation of org.xml.sax.Locator
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Return the saved public identifier.
+ *
+ * @return The public identifier as a string, or null if none
+ * is available.
+ * @see org.xml.sax.Locator#getPublicId
+ * @see #setPublicId
+ */
+ public String getPublicId ()
+ {
+ return publicId;
+ }
+
+
+ /**
+ * Return the saved system identifier.
+ *
+ * @return The system identifier as a string, or null if none
+ * is available.
+ * @see org.xml.sax.Locator#getSystemId
+ * @see #setSystemId
+ */
+ public String getSystemId ()
+ {
+ return systemId;
+ }
+
+
+ /**
+ * Return the saved line number (1-based).
+ *
+ * @return The line number as an integer, or -1 if none is available.
+ * @see org.xml.sax.Locator#getLineNumber
+ * @see #setLineNumber
+ */
+ public int getLineNumber ()
+ {
+ return lineNumber;
+ }
+
+
+ /**
+ * Return the saved column number (1-based).
+ *
+ * @return The column number as an integer, or -1 if none is available.
+ * @see org.xml.sax.Locator#getColumnNumber
+ * @see #setColumnNumber
+ */
+ public int getColumnNumber ()
+ {
+ return columnNumber;
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Setters for the properties (not in org.xml.sax.Locator)
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Set the public identifier for this locator.
+ *
+ * @param publicId The new public identifier, or null
+ * if none is available.
+ * @see #getPublicId
+ */
+ public void setPublicId (String publicId)
+ {
+ this.publicId = publicId;
+ }
+
+
+ /**
+ * Set the system identifier for this locator.
+ *
+ * @param systemId The new system identifier, or null
+ * if none is available.
+ * @see #getSystemId
+ */
+ public void setSystemId (String systemId)
+ {
+ this.systemId = systemId;
+ }
+
+
+ /**
+ * Set the line number for this locator (1-based).
+ *
+ * @param lineNumber The line number, or -1 if none is available.
+ * @see #getLineNumber
+ */
+ public void setLineNumber (int lineNumber)
+ {
+ this.lineNumber = lineNumber;
+ }
+
+
+ /**
+ * Set the column number for this locator (1-based).
+ *
+ * @param columnNumber The column number, or -1 if none is available.
+ * @see #getColumnNumber
+ */
+ public void setColumnNumber (int columnNumber)
+ {
+ this.columnNumber = columnNumber;
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Internal state.
+ ////////////////////////////////////////////////////////////////////
+
+ private String publicId;
+ private String systemId;
+ private int lineNumber;
+ private int columnNumber;
+
+}
+
+// end of LocatorImpl.java
diff --git a/libjava/org/xml/sax/helpers/NamespaceSupport.java b/libjava/org/xml/sax/helpers/NamespaceSupport.java new file mode 100644 index 00000000000..a4588c3d2c7 --- /dev/null +++ b/libjava/org/xml/sax/helpers/NamespaceSupport.java @@ -0,0 +1,689 @@ +// NamespaceSupport.java - generic Namespace support for SAX.
+// Written by David Megginson, sax@megginson.com
+// This class is in the Public Domain. NO WARRANTY!
+
+// $Id: NamespaceSupport.java,v 1.1 2000/10/02 02:43:20 sboag Exp $
+
+package org.xml.sax.helpers;
+
+import java.util.EmptyStackException;
+import java.util.Enumeration;
+import java.util.Hashtable;
+import java.util.Vector;
+
+
+/**
+ * Encapsulate Namespace logic for use by SAX drivers.
+ *
+ * <blockquote>
+ * <em>This module, both source code and documentation, is in the
+ * Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
+ * </blockquote>
+ *
+ * <p>This class encapsulates the logic of Namespace processing:
+ * it tracks the declarations currently in force for each context
+ * and automatically processes qualified XML 1.0 names into their
+ * Namespace parts; it can also be used in reverse for generating
+ * XML 1.0 from Namespaces.</p>
+ *
+ * <p>Namespace support objects are reusable, but the reset method
+ * must be invoked between each session.</p>
+ *
+ * <p>Here is a simple session:</p>
+ *
+ * <pre>
+ * String parts[] = new String[3];
+ * NamespaceSupport support = new NamespaceSupport();
+ *
+ * support.pushContext();
+ * support.declarePrefix("", "http://www.w3.org/1999/xhtml");
+ * support.declarePrefix("dc", "http://www.purl.org/dc#");
+ *
+ * String parts[] = support.processName("p", parts, false);
+ * System.out.println("Namespace URI: " + parts[0]);
+ * System.out.println("Local name: " + parts[1]);
+ * System.out.println("Raw name: " + parts[2]);
+
+ * String parts[] = support.processName("dc:title", parts, false);
+ * System.out.println("Namespace URI: " + parts[0]);
+ * System.out.println("Local name: " + parts[1]);
+ * System.out.println("Raw name: " + parts[2]);
+
+ * support.popContext();
+ * </pre>
+ *
+ * <p>Note that this class is optimized for the use case where most
+ * elements do not contain Namespace declarations: if the same
+ * prefix/URI mapping is repeated for each context (for example), this
+ * class will be somewhat less efficient.</p>
+ *
+ * @since SAX 2.0
+ * @author David Megginson,
+ * <a href="mailto:sax@megginson.com">sax@megginson.com</a>
+ * @version 2.0
+ */
+public class NamespaceSupport
+{
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Constants.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * The XML Namespace as a constant.
+ *
+ * <p>This is the Namespace URI that is automatically mapped
+ * to the "xml" prefix.</p>
+ */
+ public final static String XMLNS =
+ "http://www.w3.org/XML/1998/namespace";
+
+
+ /**
+ * An empty enumeration.
+ */
+ private final static Enumeration EMPTY_ENUMERATION =
+ new Vector().elements();
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Constructor.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Create a new Namespace support object.
+ */
+ public NamespaceSupport ()
+ {
+ reset();
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Context management.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Reset this Namespace support object for reuse.
+ *
+ * <p>It is necessary to invoke this method before reusing the
+ * Namespace support object for a new session.</p>
+ */
+ public void reset ()
+ {
+ contexts = new Context[32];
+ contextPos = 0;
+ contexts[contextPos] = currentContext = new Context();
+ currentContext.declarePrefix("xml", XMLNS);
+ }
+
+
+ /**
+ * Start a new Namespace context.
+ *
+ * <p>Normally, you should push a new context at the beginning
+ * of each XML element: the new context will automatically inherit
+ * the declarations of its parent context, but it will also keep
+ * track of which declarations were made within this context.</p>
+ *
+ * <p>The Namespace support object always starts with a base context
+ * already in force: in this context, only the "xml" prefix is
+ * declared.</p>
+ *
+ * @see #popContext
+ */
+ public void pushContext ()
+ {
+ int max = contexts.length;
+ contextPos++;
+
+ // Extend the array if necessary
+ if (contextPos >= max) {
+ Context newContexts[] = new Context[max*2];
+ System.arraycopy(contexts, 0, newContexts, 0, max);
+ max *= 2;
+ contexts = newContexts;
+ }
+
+ // Allocate the context if necessary.
+ currentContext = contexts[contextPos];
+ if (currentContext == null) {
+ contexts[contextPos] = currentContext = new Context();
+ }
+
+ // Set the parent, if any.
+ if (contextPos > 0) {
+ currentContext.setParent(contexts[contextPos - 1]);
+ }
+ }
+
+
+ /**
+ * Revert to the previous Namespace context.
+ *
+ * <p>Normally, you should pop the context at the end of each
+ * XML element. After popping the context, all Namespace prefix
+ * mappings that were previously in force are restored.</p>
+ *
+ * <p>You must not attempt to declare additional Namespace
+ * prefixes after popping a context, unless you push another
+ * context first.</p>
+ *
+ * @see #pushContext
+ */
+ public void popContext ()
+ {
+ contextPos--;
+ if (contextPos < 0) {
+ throw new EmptyStackException();
+ }
+ currentContext = contexts[contextPos];
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Operations within a context.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Declare a Namespace prefix.
+ *
+ * <p>This method declares a prefix in the current Namespace
+ * context; the prefix will remain in force until this context
+ * is popped, unless it is shadowed in a descendant context.</p>
+ *
+ * <p>To declare a default Namespace, use the empty string. The
+ * prefix must not be "xml" or "xmlns".</p>
+ *
+ * <p>Note that you must <em>not</em> declare a prefix after
+ * you've pushed and popped another Namespace.</p>
+ *
+ * <p>Note that there is an asymmetry in this library: while {@link
+ * #getPrefix getPrefix} will not return the default "" prefix,
+ * even if you have declared one; to check for a default prefix,
+ * you have to look it up explicitly using {@link #getURI getURI}.
+ * This asymmetry exists to make it easier to look up prefixes
+ * for attribute names, where the default prefix is not allowed.</p>
+ *
+ * @param prefix The prefix to declare, or null for the empty
+ * string.
+ * @param uri The Namespace URI to associate with the prefix.
+ * @return true if the prefix was legal, false otherwise
+ * @see #processName
+ * @see #getURI
+ * @see #getPrefix
+ */
+ public boolean declarePrefix (String prefix, String uri)
+ {
+ if (prefix.equals("xml") || prefix.equals("xmlns")) {
+ return false;
+ } else {
+ currentContext.declarePrefix(prefix, uri);
+ return true;
+ }
+ }
+
+
+ /**
+ * Process a raw XML 1.0 name.
+ *
+ * <p>This method processes a raw XML 1.0 name in the current
+ * context by removing the prefix and looking it up among the
+ * prefixes currently declared. The return value will be the
+ * array supplied by the caller, filled in as follows:</p>
+ *
+ * <dl>
+ * <dt>parts[0]</dt>
+ * <dd>The Namespace URI, or an empty string if none is
+ * in use.</dd>
+ * <dt>parts[1]</dt>
+ * <dd>The local name (without prefix).</dd>
+ * <dt>parts[2]</dt>
+ * <dd>The original raw name.</dd>
+ * </dl>
+ *
+ * <p>All of the strings in the array will be internalized. If
+ * the raw name has a prefix that has not been declared, then
+ * the return value will be null.</p>
+ *
+ * <p>Note that attribute names are processed differently than
+ * element names: an unprefixed element name will received the
+ * default Namespace (if any), while an unprefixed element name
+ * will not.</p>
+ *
+ * @param qName The raw XML 1.0 name to be processed.
+ * @param parts An array supplied by the caller, capable of
+ * holding at least three members.
+ * @param isAttribute A flag indicating whether this is an
+ * attribute name (true) or an element name (false).
+ * @return The supplied array holding three internalized strings
+ * representing the Namespace URI (or empty string), the
+ * local name, and the raw XML 1.0 name; or null if there
+ * is an undeclared prefix.
+ * @see #declarePrefix
+ * @see java.lang.String#intern */
+ public String [] processName (String qName, String parts[],
+ boolean isAttribute)
+ {
+ String myParts[] = currentContext.processName(qName, isAttribute);
+ if (myParts == null) {
+ return null;
+ } else {
+ parts[0] = myParts[0];
+ parts[1] = myParts[1];
+ parts[2] = myParts[2];
+ return parts;
+ }
+ }
+
+
+ /**
+ * Look up a prefix and get the currently-mapped Namespace URI.
+ *
+ * <p>This method looks up the prefix in the current context.
+ * Use the empty string ("") for the default Namespace.</p>
+ *
+ * @param prefix The prefix to look up.
+ * @return The associated Namespace URI, or null if the prefix
+ * is undeclared in this context.
+ * @see #getPrefix
+ * @see #getPrefixes
+ */
+ public String getURI (String prefix)
+ {
+ return currentContext.getURI(prefix);
+ }
+
+
+ /**
+ * Return an enumeration of all prefixes currently declared.
+ *
+ * <p><strong>Note:</strong> if there is a default prefix, it will not be
+ * returned in this enumeration; check for the default prefix
+ * using the {@link #getURI getURI} with an argument of "".</p>
+ *
+ * @return An enumeration of all prefixes declared in the
+ * current context except for the empty (default)
+ * prefix.
+ * @see #getDeclaredPrefixes
+ * @see #getURI
+ */
+ public Enumeration getPrefixes ()
+ {
+ return currentContext.getPrefixes();
+ }
+
+
+ /**
+ * Return one of the prefixes mapped to a Namespace URI.
+ *
+ * <p>If more than one prefix is currently mapped to the same
+ * URI, this method will make an arbitrary selection; if you
+ * want all of the prefixes, use the {@link #getPrefixes}
+ * method instead.</p>
+ *
+ * <p><strong>Note:</strong> this will never return the empty (default) prefix;
+ * to check for a default prefix, use the {@link #getURI getURI}
+ * method with an argument of "".</p>
+ *
+ * @param uri The Namespace URI.
+ * @param isAttribute true if this prefix is for an attribute
+ * (and the default Namespace is not allowed).
+ * @return One of the prefixes currently mapped to the URI supplied,
+ * or null if none is mapped or if the URI is assigned to
+ * the default Namespace.
+ * @see #getPrefixes(java.lang.String)
+ * @see #getURI
+ */
+ public String getPrefix (String uri)
+ {
+ return currentContext.getPrefix(uri);
+ }
+
+
+ /**
+ * Return an enumeration of all prefixes currently declared for a URI.
+ *
+ * <p>This method returns prefixes mapped to a specific Namespace
+ * URI. The xml: prefix will be included. If you want only one
+ * prefix that's mapped to the Namespace URI, and you don't care
+ * which one you get, use the {@link #getPrefix getPrefix}
+ * method instead.</p>
+ *
+ * <p><strong>Note:</strong> the empty (default) prefix is <em>never</em> included
+ * in this enumeration; to check for the presence of a default
+ * Namespace, use the {@link #getURI getURI} method with an
+ * argument of "".</p>
+ *
+ * @param uri The Namespace URI.
+ * @return An enumeration of all prefixes declared in the
+ * current context.
+ * @see #getPrefix
+ * @see #getDeclaredPrefixes
+ * @see #getURI
+ */
+ public Enumeration getPrefixes (String uri)
+ {
+ Vector prefixes = new Vector();
+ Enumeration allPrefixes = getPrefixes();
+ while (allPrefixes.hasMoreElements()) {
+ String prefix = (String)allPrefixes.nextElement();
+ if (uri.equals(getURI(prefix))) {
+ prefixes.addElement(prefix);
+ }
+ }
+ return prefixes.elements();
+ }
+
+
+ /**
+ * Return an enumeration of all prefixes declared in this context.
+ *
+ * <p>The empty (default) prefix will be included in this
+ * enumeration; note that this behaviour differs from that of
+ * {@link #getPrefix} and {@link #getPrefixes}.</p>
+ *
+ * @return An enumeration of all prefixes declared in this
+ * context.
+ * @see #getPrefixes
+ * @see #getURI
+ */
+ public Enumeration getDeclaredPrefixes ()
+ {
+ return currentContext.getDeclaredPrefixes();
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Internal state.
+ ////////////////////////////////////////////////////////////////////
+
+ private Context contexts[];
+ private Context currentContext;
+ private int contextPos;
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Internal classes.
+ ////////////////////////////////////////////////////////////////////
+
+ /**
+ * Internal class for a single Namespace context.
+ *
+ * <p>This module caches and reuses Namespace contexts, so the number allocated
+ * will be equal to the element depth of the document, not to the total
+ * number of elements (i.e. 5-10 rather than tens of thousands).</p>
+ */
+ final class Context {
+
+ /**
+ * Create the root-level Namespace context.
+ */
+ Context ()
+ {
+ copyTables();
+ }
+
+
+ /**
+ * (Re)set the parent of this Namespace context.
+ *
+ * @param context The parent Namespace context object.
+ */
+ void setParent (Context parent)
+ {
+ this.parent = parent;
+ declarations = null;
+ prefixTable = parent.prefixTable;
+ uriTable = parent.uriTable;
+ elementNameTable = parent.elementNameTable;
+ attributeNameTable = parent.attributeNameTable;
+ defaultNS = parent.defaultNS;
+ tablesDirty = false;
+ }
+
+
+ /**
+ * Declare a Namespace prefix for this context.
+ *
+ * @param prefix The prefix to declare.
+ * @param uri The associated Namespace URI.
+ * @see org.xml.sax.helpers.NamespaceSupport#declarePrefix
+ */
+ void declarePrefix (String prefix, String uri)
+ {
+ // Lazy processing...
+ if (!tablesDirty) {
+ copyTables();
+ }
+ if (declarations == null) {
+ declarations = new Vector();
+ }
+
+ prefix = prefix.intern();
+ uri = uri.intern();
+ if ("".equals(prefix)) {
+ if ("".equals(uri)) {
+ defaultNS = null;
+ } else {
+ defaultNS = uri;
+ }
+ } else {
+ prefixTable.put(prefix, uri);
+ uriTable.put(uri, prefix); // may wipe out another prefix
+ }
+ declarations.addElement(prefix);
+ }
+
+
+ /**
+ * Process a raw XML 1.0 name in this context.
+ *
+ * @param qName The raw XML 1.0 name.
+ * @param isAttribute true if this is an attribute name.
+ * @return An array of three strings containing the
+ * URI part (or empty string), the local part,
+ * and the raw name, all internalized, or null
+ * if there is an undeclared prefix.
+ * @see org.xml.sax.helpers.NamespaceSupport#processName
+ */
+ String [] processName (String qName, boolean isAttribute)
+ {
+ String name[];
+ Hashtable table;
+
+ // Select the appropriate table.
+ if (isAttribute) {
+ table = elementNameTable;
+ } else {
+ table = attributeNameTable;
+ }
+
+ // Start by looking in the cache, and
+ // return immediately if the name
+ // is already known in this content
+ name = (String[])table.get(qName);
+ if (name != null) {
+ return name;
+ }
+
+ // We haven't seen this name in this
+ // context before.
+ name = new String[3];
+ int index = qName.indexOf(':');
+
+
+ // No prefix.
+ if (index == -1) {
+ if (isAttribute || defaultNS == null) {
+ name[0] = "";
+ } else {
+ name[0] = defaultNS;
+ }
+ name[1] = qName.intern();
+ name[2] = name[1];
+ }
+
+ // Prefix
+ else {
+ String prefix = qName.substring(0, index);
+ String local = qName.substring(index+1);
+ String uri;
+ if ("".equals(prefix)) {
+ uri = defaultNS;
+ } else {
+ uri = (String)prefixTable.get(prefix);
+ }
+ if (uri == null) {
+ return null;
+ }
+ name[0] = uri;
+ name[1] = local.intern();
+ name[2] = qName.intern();
+ }
+
+ // Save in the cache for future use.
+ table.put(name[2], name);
+ tablesDirty = true;
+ return name;
+ }
+
+
+ /**
+ * Look up the URI associated with a prefix in this context.
+ *
+ * @param prefix The prefix to look up.
+ * @return The associated Namespace URI, or null if none is
+ * declared.
+ * @see org.xml.sax.helpers.NamespaceSupport#getURI
+ */
+ String getURI (String prefix)
+ {
+ if ("".equals(prefix)) {
+ return defaultNS;
+ } else if (prefixTable == null) {
+ return null;
+ } else {
+ return (String)prefixTable.get(prefix);
+ }
+ }
+
+
+ /**
+ * Look up one of the prefixes associated with a URI in this context.
+ *
+ * <p>Since many prefixes may be mapped to the same URI,
+ * the return value may be unreliable.</p>
+ *
+ * @param uri The URI to look up.
+ * @return The associated prefix, or null if none is declared.
+ * @see org.xml.sax.helpers.NamespaceSupport#getPrefix
+ */
+ String getPrefix (String uri)
+ {
+ if (uriTable == null) {
+ return null;
+ } else {
+ return (String)uriTable.get(uri);
+ }
+ }
+
+
+ /**
+ * Return an enumeration of prefixes declared in this context.
+ *
+ * @return An enumeration of prefixes (possibly empty).
+ * @see org.xml.sax.helpers.NamespaceSupport#getDeclaredPrefixes
+ */
+ Enumeration getDeclaredPrefixes ()
+ {
+ if (declarations == null) {
+ return EMPTY_ENUMERATION;
+ } else {
+ return declarations.elements();
+ }
+ }
+
+
+ /**
+ * Return an enumeration of all prefixes currently in force.
+ *
+ * <p>The default prefix, if in force, is <em>not</em>
+ * returned, and will have to be checked for separately.</p>
+ *
+ * @return An enumeration of prefixes (never empty).
+ * @see org.xml.sax.helpers.NamespaceSupport#getPrefixes
+ */
+ Enumeration getPrefixes ()
+ {
+ if (prefixTable == null) {
+ return EMPTY_ENUMERATION;
+ } else {
+ return prefixTable.keys();
+ }
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////
+ // Internal methods.
+ ////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Copy on write for the internal tables in this context.
+ *
+ * <p>This class is optimized for the normal case where most
+ * elements do not contain Namespace declarations.</p>
+ */
+ private void copyTables ()
+ {
+ if (prefixTable != null) {
+ prefixTable = (Hashtable)prefixTable.clone();
+ } else {
+ prefixTable = new Hashtable();
+ }
+ if (uriTable != null) {
+ uriTable = (Hashtable)uriTable.clone();
+ } else {
+ uriTable = new Hashtable();
+ }
+ elementNameTable = new Hashtable();
+ attributeNameTable = new Hashtable();
+ tablesDirty = true;
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////
+ // Protected state.
+ ////////////////////////////////////////////////////////////////
+
+ Hashtable prefixTable;
+ Hashtable uriTable;
+ Hashtable elementNameTable;
+ Hashtable attributeNameTable;
+ String defaultNS = null;
+
+
+
+ ////////////////////////////////////////////////////////////////
+ // Internal state.
+ ////////////////////////////////////////////////////////////////
+
+ private Vector declarations = null;
+ private boolean tablesDirty = false;
+ private Context parent = null;
+ }
+}
+
+// end of NamespaceSupport.java
diff --git a/libjava/org/xml/sax/helpers/ParserAdapter.java b/libjava/org/xml/sax/helpers/ParserAdapter.java new file mode 100644 index 00000000000..06071b7bdd5 --- /dev/null +++ b/libjava/org/xml/sax/helpers/ParserAdapter.java @@ -0,0 +1,1008 @@ +// ParserAdapter.java - adapt a SAX1 Parser to a SAX2 XMLReader.
+// Written by David Megginson, sax@megginson.com
+// NO WARRANTY! This class is in the public domain.
+
+// $Id: ParserAdapter.java,v 1.1 2000/10/02 02:43:20 sboag Exp $
+
+package org.xml.sax.helpers;
+
+import java.io.IOException;
+import java.util.Enumeration;
+
+import org.xml.sax.Parser; // deprecated
+import org.xml.sax.InputSource;
+import org.xml.sax.Locator;
+import org.xml.sax.AttributeList; // deprecated
+import org.xml.sax.EntityResolver;
+import org.xml.sax.DTDHandler;
+import org.xml.sax.DocumentHandler; // deprecated
+import org.xml.sax.ErrorHandler;
+import org.xml.sax.SAXException;
+import org.xml.sax.SAXParseException;
+
+import org.xml.sax.XMLReader;
+import org.xml.sax.Attributes;
+import org.xml.sax.ContentHandler;
+import org.xml.sax.SAXNotRecognizedException;
+import org.xml.sax.SAXNotSupportedException;
+
+
+/**
+ * Adapt a SAX1 Parser as a SAX2 XMLReader.
+ *
+ * <blockquote>
+ * <em>This module, both source code and documentation, is in the
+ * Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
+ * </blockquote>
+ *
+ * <p>This class wraps a SAX1 {@link org.xml.sax.Parser Parser}
+ * and makes it act as a SAX2 {@link org.xml.sax.XMLReader XMLReader},
+ * with feature, property, and Namespace support. Note
+ * that it is not possible to report {@link org.xml.sax.ContentHandler#skippedEntity
+ * skippedEntity} events, since SAX1 does not make that information available.</p>
+ *
+ * <p>This adapter does not test for duplicate Namespace-qualified
+ * attribute names.</p>
+ *
+ * @since SAX 2.0
+ * @author David Megginson,
+ * <a href="mailto:sax@megginson.com">sax@megginson.com</a>
+ * @version 2.0
+ * @see org.xml.sax.helpers.XMLReaderAdapter
+ * @see org.xml.sax.XMLReader
+ * @see org.xml.sax.Parser
+ */
+public class ParserAdapter implements XMLReader, DocumentHandler
+{
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Constructors.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Construct a new parser adapter.
+ *
+ * <p>Use the "org.xml.sax.parser" property to locate the
+ * embedded SAX1 driver.</p>
+ *
+ * @exception org.xml.sax.SAXException If the embedded driver
+ * cannot be instantiated or if the
+ * org.xml.sax.parser property is not specified.
+ */
+ public ParserAdapter ()
+ throws SAXException
+ {
+ super();
+
+ String driver = System.getProperty("org.xml.sax.parser");
+
+ try {
+ setup(ParserFactory.makeParser());
+ } catch (ClassNotFoundException e1) {
+ throw new
+ SAXException("Cannot find SAX1 driver class " +
+ driver, e1);
+ } catch (IllegalAccessException e2) {
+ throw new
+ SAXException("SAX1 driver class " +
+ driver +
+ " found but cannot be loaded", e2);
+ } catch (InstantiationException e3) {
+ throw new
+ SAXException("SAX1 driver class " +
+ driver +
+ " loaded but cannot be instantiated", e3);
+ } catch (ClassCastException e4) {
+ throw new
+ SAXException("SAX1 driver class " +
+ driver +
+ " does not implement org.xml.sax.Parser");
+ } catch (NullPointerException e5) {
+ throw new
+ SAXException("System property org.xml.sax.parser not specified");
+ }
+ }
+
+
+ /**
+ * Construct a new parser adapter.
+ *
+ * <p>Note that the embedded parser cannot be changed once the
+ * adapter is created; to embed a different parser, allocate
+ * a new ParserAdapter.</p>
+ *
+ * @param parser The SAX1 parser to embed.
+ * @exception java.lang.NullPointerException If the parser parameter
+ * is null.
+ */
+ public ParserAdapter (Parser parser)
+ {
+ super();
+ setup(parser);
+ }
+
+
+ /**
+ * Internal setup method.
+ *
+ * @param parser The embedded parser.
+ * @exception java.lang.NullPointerException If the parser parameter
+ * is null.
+ */
+ private void setup (Parser parser)
+ {
+ if (parser == null) {
+ throw new
+ NullPointerException("Parser argument must not be null");
+ }
+ this.parser = parser;
+ atts = new AttributesImpl();
+ nsSupport = new NamespaceSupport();
+ attAdapter = new AttributeListAdapter();
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Implementation of org.xml.sax.XMLReader.
+ ////////////////////////////////////////////////////////////////////
+
+
+ //
+ // Internal constants for the sake of convenience.
+ //
+ private final static String FEATURES = "http://xml.org/sax/features/";
+ private final static String NAMESPACES = FEATURES + "namespaces";
+ private final static String NAMESPACE_PREFIXES = FEATURES + "namespace-prefixes";
+ private final static String VALIDATION = FEATURES + "validation";
+ private final static String EXTERNAL_GENERAL =
+ FEATURES + "external-general-entities";
+ private final static String EXTERNAL_PARAMETER =
+ FEATURES + "external-parameter-entities";
+
+
+ /**
+ * Set a feature for the parser.
+ *
+ * <p>The only features supported are namespaces and
+ * namespace-prefixes.</p>
+ *
+ * @param name The feature name, as a complete URI.
+ * @param state The requested feature state.
+ * @exception org.xml.sax.SAXNotRecognizedException If the feature
+ * name is not known.
+ * @exception org.xml.sax.SAXNotSupportedException If the feature
+ * state is not supported.
+ * @see org.xml.sax.XMLReader#setFeature
+ */
+ public void setFeature (String name, boolean state)
+ throws SAXNotRecognizedException, SAXNotSupportedException
+ {
+ if (name.equals(NAMESPACES)) {
+ checkNotParsing("feature", name);
+ namespaces = state;
+ if (!namespaces && !prefixes) {
+ prefixes = true;
+ }
+ } else if (name.equals(NAMESPACE_PREFIXES)) {
+ checkNotParsing("feature", name);
+ prefixes = state;
+ if (!prefixes && !namespaces) {
+ namespaces = true;
+ }
+ } else if (name.equals(VALIDATION) ||
+ name.equals(EXTERNAL_GENERAL) ||
+ name.equals(EXTERNAL_PARAMETER)) {
+ throw new SAXNotSupportedException("Feature: " + name);
+ } else {
+ throw new SAXNotRecognizedException("Feature: " + name);
+ }
+ }
+
+
+ /**
+ * Check a parser feature.
+ *
+ * <p>The only features supported are namespaces and
+ * namespace-prefixes.</p>
+ *
+ * @param name The feature name, as a complete URI.
+ * @return The current feature state.
+ * @exception org.xml.sax.SAXNotRecognizedException If the feature
+ * name is not known.
+ * @exception org.xml.sax.SAXNotSupportedException If querying the
+ * feature state is not supported.
+ * @see org.xml.sax.XMLReader#setFeature
+ */
+ public boolean getFeature (String name)
+ throws SAXNotRecognizedException, SAXNotSupportedException
+ {
+ if (name.equals(NAMESPACES)) {
+ return namespaces;
+ } else if (name.equals(NAMESPACE_PREFIXES)) {
+ return prefixes;
+ } else if (name.equals(VALIDATION) ||
+ name.equals(EXTERNAL_GENERAL) ||
+ name.equals(EXTERNAL_PARAMETER)) {
+ throw new SAXNotSupportedException("Feature: " + name);
+ } else {
+ throw new SAXNotRecognizedException("Feature: " + name);
+ }
+ }
+
+
+ /**
+ * Set a parser property.
+ *
+ * <p>No special properties are currently supported.</p>
+ *
+ * @param name The property name.
+ * @param value The property value.
+ * @exception org.xml.sax.SAXNotRecognizedException If the feature
+ * name is not known.
+ * @exception org.xml.sax.SAXNotSupportedException If the feature
+ * state is not supported.
+ * @see org.xml.sax.XMLReader#setProperty
+ */
+ public void setProperty (String name, Object value)
+ throws SAXNotRecognizedException, SAXNotSupportedException
+ {
+ throw new SAXNotRecognizedException("Property: " + name);
+ }
+
+
+ /**
+ * Get a parser property.
+ *
+ * <p>No special properties are currently supported.</p>
+ *
+ * @param name The property name.
+ * @return The property value.
+ * @exception org.xml.sax.SAXNotRecognizedException If the feature
+ * name is not known.
+ * @exception org.xml.sax.SAXNotSupportedException If the feature
+ * state is not supported.
+ * @see org.xml.sax.XMLReader#getProperty
+ */
+ public Object getProperty (String name)
+ throws SAXNotRecognizedException, SAXNotSupportedException
+ {
+ throw new SAXNotRecognizedException("Property: " + name);
+ }
+
+
+ /**
+ * Set the entity resolver.
+ *
+ * @param resolver The new entity resolver.
+ * @exception java.lang.NullPointerException If the entity resolver
+ * parameter is null.
+ * @see org.xml.sax.XMLReader#setEntityResolver
+ */
+ public void setEntityResolver (EntityResolver resolver)
+ {
+ if (resolver == null) {
+ throw new NullPointerException("Null entity resolver");
+ }
+ entityResolver = resolver;
+ }
+
+
+ /**
+ * Return the current entity resolver.
+ *
+ * @return The current entity resolver, or null if none was supplied.
+ * @see org.xml.sax.XMLReader#getEntityResolver
+ */
+ public EntityResolver getEntityResolver ()
+ {
+ return entityResolver;
+ }
+
+
+ /**
+ * Set the DTD handler.
+ *
+ * @param resolver The new DTD handler.
+ * @exception java.lang.NullPointerException If the DTD handler
+ * parameter is null.
+ * @see org.xml.sax.XMLReader#setEntityResolver
+ */
+ public void setDTDHandler (DTDHandler handler)
+ {
+ if (handler == null) {
+ throw new NullPointerException("Null DTD handler");
+ }
+ dtdHandler = handler;
+ }
+
+
+ /**
+ * Return the current DTD handler.
+ *
+ * @return The current DTD handler, or null if none was supplied.
+ * @see org.xml.sax.XMLReader#getEntityResolver
+ */
+ public DTDHandler getDTDHandler ()
+ {
+ return dtdHandler;
+ }
+
+
+ /**
+ * Set the content handler.
+ *
+ * @param resolver The new content handler.
+ * @exception java.lang.NullPointerException If the content handler
+ * parameter is null.
+ * @see org.xml.sax.XMLReader#setEntityResolver
+ */
+ public void setContentHandler (ContentHandler handler)
+ {
+ if (handler == null) {
+ throw new NullPointerException("Null content handler");
+ }
+ contentHandler = handler;
+ }
+
+
+ /**
+ * Return the current content handler.
+ *
+ * @return The current content handler, or null if none was supplied.
+ * @see org.xml.sax.XMLReader#getEntityResolver
+ */
+ public ContentHandler getContentHandler ()
+ {
+ return contentHandler;
+ }
+
+
+ /**
+ * Set the error handler.
+ *
+ * @param resolver The new error handler.
+ * @exception java.lang.NullPointerException If the error handler
+ * parameter is null.
+ * @see org.xml.sax.XMLReader#setEntityResolver
+ */
+ public void setErrorHandler (ErrorHandler handler)
+ {
+ if (handler == null) {
+ throw new NullPointerException("Null error handler");
+ }
+ errorHandler = handler;
+ }
+
+
+ /**
+ * Return the current error handler.
+ *
+ * @return The current error handler, or null if none was supplied.
+ * @see org.xml.sax.XMLReader#getEntityResolver
+ */
+ public ErrorHandler getErrorHandler ()
+ {
+ return errorHandler;
+ }
+
+
+ /**
+ * Parse an XML document.
+ *
+ * @param systemId The absolute URL of the document.
+ * @exception java.io.IOException If there is a problem reading
+ * the raw content of the document.
+ * @exception org.xml.sax.SAXException If there is a problem
+ * processing the document.
+ * @see #parse(org.xml.sax.InputSource)
+ * @see org.xml.sax.Parser#parse(java.lang.String)
+ */
+ public void parse (String systemId)
+ throws IOException, SAXException
+ {
+ parse(new InputSource(systemId));
+ }
+
+
+ /**
+ * Parse an XML document.
+ *
+ * @param input An input source for the document.
+ * @exception java.io.IOException If there is a problem reading
+ * the raw content of the document.
+ * @exception org.xml.sax.SAXException If there is a problem
+ * processing the document.
+ * @see #parse(java.lang.String)
+ * @see org.xml.sax.Parser#parse(org.xml.sax.InputSource)
+ */
+ public void parse (InputSource input)
+ throws IOException, SAXException
+ {
+ if (parsing) {
+ throw new SAXException("Parser is already in use");
+ }
+ setupParser();
+ parsing = true;
+ try {
+ parser.parse(input);
+ } finally {
+ parsing = false;
+ }
+ parsing = false;
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Implementation of org.xml.sax.DocumentHandler.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Adapt a SAX1 document locator event.
+ *
+ * @param locator A document locator.
+ * @see org.xml.sax.ContentHandler#setDocumentLocator
+ */
+ public void setDocumentLocator (Locator locator)
+ {
+ this.locator = locator;
+ if (contentHandler != null) {
+ contentHandler.setDocumentLocator(locator);
+ }
+ }
+
+
+ /**
+ * Adapt a SAX1 start document event.
+ *
+ * @exception org.xml.sax.SAXException The client may raise a
+ * processing exception.
+ * @see org.xml.sax.DocumentHandler#startDocument
+ */
+ public void startDocument ()
+ throws SAXException
+ {
+ if (contentHandler != null) {
+ contentHandler.startDocument();
+ }
+ }
+
+
+ /**
+ * Adapt a SAX1 end document event.
+ *
+ * @exception org.xml.sax.SAXException The client may raise a
+ * processing exception.
+ * @see org.xml.sax.DocumentHandler#endDocument
+ */
+ public void endDocument ()
+ throws SAXException
+ {
+ if (contentHandler != null) {
+ contentHandler.endDocument();
+ }
+ }
+
+
+ /**
+ * Adapt a SAX1 startElement event.
+ *
+ * <p>If necessary, perform Namespace processing.</p>
+ *
+ * @param qName The qualified (prefixed) name.
+ * @param qAtts The XML 1.0 attribute list (with qnames).
+ */
+ public void startElement (String qName, AttributeList qAtts)
+ throws SAXException
+ {
+ // If we're not doing Namespace
+ // processing, dispatch this quickly.
+ if (!namespaces) {
+ if (contentHandler != null) {
+ attAdapter.setAttributeList(qAtts);
+ contentHandler.startElement("", "", qName.intern(),
+ attAdapter);
+ }
+ return;
+ }
+
+
+ // OK, we're doing Namespace processing.
+ nsSupport.pushContext();
+ boolean seenDecl = false;
+ atts.clear();
+
+ // Take a first pass and copy all
+ // attributes into the SAX2 attribute
+ // list, noting any Namespace
+ // declarations.
+ int length = qAtts.getLength();
+ for (int i = 0; i < length; i++) {
+ String attQName = qAtts.getName(i);
+ String type = qAtts.getType(i);
+ String value = qAtts.getValue(i);
+
+ // Found a declaration...
+ if (attQName.startsWith("xmlns")) {
+ String prefix;
+ int n = attQName.indexOf(':');
+ if (n == -1) {
+ prefix = "";
+ } else {
+ prefix = attQName.substring(n+1);
+ }
+ if (!nsSupport.declarePrefix(prefix, value)) {
+ reportError("Illegal Namespace prefix: " + prefix);
+ }
+ if (contentHandler != null) {
+ contentHandler.startPrefixMapping(prefix, value);
+ }
+ // We may still have to add this to
+ // the list.
+ if (prefixes) {
+ atts.addAttribute("", "", attQName.intern(),
+ type, value);
+ }
+ seenDecl = true;
+
+ // This isn't a declaration.
+ } else {
+ String attName[] = processName(attQName, true);
+ atts.addAttribute(attName[0], attName[1], attName[2],
+ type, value);
+ }
+ }
+
+ // If there was a Namespace declaration,
+ // we have to make a second pass just
+ // to be safe -- this will happen very
+ // rarely, possibly only once for each
+ // document.
+ if (seenDecl) {
+ length = atts.getLength();
+ for (int i = 0; i < length; i++) {
+ String attQName = atts.getQName(i);
+ if (!attQName.startsWith("xmlns")) {
+ String attName[] = processName(attQName, true);
+ atts.setURI(i, attName[0]);
+ atts.setLocalName(i, attName[1]);
+ }
+ }
+ }
+
+ // OK, finally report the event.
+ if (contentHandler != null) {
+ String name[] = processName(qName, false);
+ contentHandler.startElement(name[0], name[1], name[2], atts);
+ }
+ }
+
+
+ /**
+ * Adapt a SAX1 end element event.
+ *
+ * @param qName The qualified (prefixed) name.
+ * @exception org.xml.sax.SAXException The client may raise a
+ * processing exception.
+ * @see org.xml.sax.DocumentHandler#endElement
+ */
+ public void endElement (String qName)
+ throws SAXException
+ {
+ // If we're not doing Namespace
+ // processing, dispatch this quickly.
+ if (!namespaces) {
+ if (contentHandler != null) {
+ contentHandler.endElement("", "", qName.intern());
+ }
+ return;
+ }
+
+ // Split the name.
+ String names[] = processName(qName, false);
+ if (contentHandler != null) {
+ contentHandler.endElement(names[0], names[1], names[2]);
+ Enumeration prefixes = nsSupport.getDeclaredPrefixes();
+ while (prefixes.hasMoreElements()) {
+ String prefix = (String)prefixes.nextElement();
+ contentHandler.endPrefixMapping(prefix);
+ }
+ }
+ nsSupport.popContext();
+ }
+
+
+ /**
+ * Adapt a SAX1 characters event.
+ *
+ * @param ch An array of characters.
+ * @param start The starting position in the array.
+ * @param length The number of characters to use.
+ * @exception org.xml.sax.SAXException The client may raise a
+ * processing exception.
+ * @see org.xml.sax.DocumentHandler#characters
+ */
+ public void characters (char ch[], int start, int length)
+ throws SAXException
+ {
+ if (contentHandler != null) {
+ contentHandler.characters(ch, start, length);
+ }
+ }
+
+
+ /**
+ * Adapt a SAX1 ignorable whitespace event.
+ *
+ * @param ch An array of characters.
+ * @param start The starting position in the array.
+ * @param length The number of characters to use.
+ * @exception org.xml.sax.SAXException The client may raise a
+ * processing exception.
+ * @see org.xml.sax.DocumentHandler#ignorableWhitespace
+ */
+ public void ignorableWhitespace (char ch[], int start, int length)
+ throws SAXException
+ {
+ if (contentHandler != null) {
+ contentHandler.ignorableWhitespace(ch, start, length);
+ }
+ }
+
+
+ /**
+ * Adapt a SAX1 processing instruction event.
+ *
+ * @param target The processing instruction target.
+ * @param data The remainder of the processing instruction
+ * @exception org.xml.sax.SAXException The client may raise a
+ * processing exception.
+ * @see org.xml.sax.DocumentHandler#processingInstruction
+ */
+ public void processingInstruction (String target, String data)
+ throws SAXException
+ {
+ if (contentHandler != null) {
+ contentHandler.processingInstruction(target, data);
+ }
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Internal utility methods.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Initialize the parser before each run.
+ */
+ private void setupParser ()
+ {
+ nsSupport.reset();
+
+ if (entityResolver != null) {
+ parser.setEntityResolver(entityResolver);
+ }
+ if (dtdHandler != null) {
+ parser.setDTDHandler(dtdHandler);
+ }
+ if (errorHandler != null) {
+ parser.setErrorHandler(errorHandler);
+ }
+ parser.setDocumentHandler(this);
+ locator = null;
+ }
+
+
+ /**
+ * Process a qualified (prefixed) name.
+ *
+ * <p>If the name has an undeclared prefix, use only the qname
+ * and make an ErrorHandler.error callback in case the app is
+ * interested.</p>
+ *
+ * @param qName The qualified (prefixed) name.
+ * @param isAttribute true if this is an attribute name.
+ * @return The name split into three parts.
+ * @exception org.xml.sax.SAXException The client may throw
+ * an exception if there is an error callback.
+ */
+ private String [] processName (String qName, boolean isAttribute)
+ throws SAXException
+ {
+ String parts[] = nsSupport.processName(qName, nameParts,
+ isAttribute);
+ if (parts == null) {
+ parts = new String[3];
+ parts[2] = qName.intern();
+ reportError("Undeclared prefix: " + qName);
+ }
+ return parts;
+ }
+
+
+ /**
+ * Report a non-fatal error.
+ *
+ * @param message The error message.
+ * @exception org.xml.sax.SAXException The client may throw
+ * an exception.
+ */
+ void reportError (String message)
+ throws SAXException
+ {
+ if (errorHandler == null) {
+ return;
+ }
+
+ SAXParseException e;
+ if (locator != null) {
+ e = new SAXParseException(message, locator);
+ } else {
+ e = new SAXParseException(message, null, null, -1, -1);
+ }
+ errorHandler.error(e);
+ }
+
+
+ /**
+ * Throw an exception if we are parsing.
+ *
+ * <p>Use this method to detect illegal feature or
+ * property changes.</p>
+ *
+ * @param type The type of thing (feature or property).
+ * @param name The feature or property name.
+ * @exception org.xml.sax.SAXNotSupportedException If a
+ * document is currently being parsed.
+ */
+ private void checkNotParsing (String type, String name)
+ throws SAXNotSupportedException
+ {
+ if (parsing) {
+ throw new SAXNotSupportedException("Cannot change " +
+ type + ' ' +
+ name + " while parsing");
+
+ }
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Internal state.
+ ////////////////////////////////////////////////////////////////////
+
+ private NamespaceSupport nsSupport;
+ private AttributeListAdapter attAdapter;
+
+ private boolean parsing = false;
+ private String nameParts[] = new String[3];
+
+ private Parser parser = null;
+
+ private AttributesImpl atts = null;
+
+ // Features
+ private boolean namespaces = true;
+ private boolean prefixes = false;
+
+ // Properties
+
+ // Handlers
+ Locator locator;
+
+ EntityResolver entityResolver = null;
+ DTDHandler dtdHandler = null;
+ ContentHandler contentHandler = null;
+ ErrorHandler errorHandler = null;
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Inner class to wrap an AttributeList when not doing NS proc.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Adapt a SAX1 AttributeList as a SAX2 Attributes object.
+ *
+ * <p>This class is in the Public Domain, and comes with NO
+ * WARRANTY of any kind.</p>
+ *
+ * <p>This wrapper class is used only when Namespace support
+ * is disabled -- it provides pretty much a direct mapping
+ * from SAX1 to SAX2, except that names and types are
+ * interned whenever requested.</p>
+ */
+ final class AttributeListAdapter implements Attributes
+ {
+
+ /**
+ * Construct a new adapter.
+ */
+ AttributeListAdapter ()
+ {
+ }
+
+
+ /**
+ * Set the embedded AttributeList.
+ *
+ * <p>This method must be invoked before any of the others
+ * can be used.</p>
+ *
+ * @param The SAX1 attribute list (with qnames).
+ */
+ void setAttributeList (AttributeList qAtts)
+ {
+ this.qAtts = qAtts;
+ }
+
+
+ /**
+ * Return the length of the attribute list.
+ *
+ * @return The number of attributes in the list.
+ * @see org.xml.sax.Attributes#getLength
+ */
+ public int getLength ()
+ {
+ return qAtts.getLength();
+ }
+
+
+ /**
+ * Return the Namespace URI of the specified attribute.
+ *
+ * @param The attribute's index.
+ * @return Always the empty string.
+ * @see org.xml.sax.Attributes#getURI
+ */
+ public String getURI (int i)
+ {
+ return "";
+ }
+
+
+ /**
+ * Return the local name of the specified attribute.
+ *
+ * @param The attribute's index.
+ * @return Always the empty string.
+ * @see org.xml.sax.Attributes#getLocalName
+ */
+ public String getLocalName (int i)
+ {
+ return "";
+ }
+
+
+ /**
+ * Return the qualified (prefixed) name of the specified attribute.
+ *
+ * @param The attribute's index.
+ * @return The attribute's qualified name, internalized.
+ */
+ public String getQName (int i)
+ {
+ return qAtts.getName(i).intern();
+ }
+
+
+ /**
+ * Return the type of the specified attribute.
+ *
+ * @param The attribute's index.
+ * @return The attribute's type as an internalized string.
+ */
+ public String getType (int i)
+ {
+ return qAtts.getType(i).intern();
+ }
+
+
+ /**
+ * Return the value of the specified attribute.
+ *
+ * @param The attribute's index.
+ * @return The attribute's value.
+ */
+ public String getValue (int i)
+ {
+ return qAtts.getValue(i);
+ }
+
+
+ /**
+ * Look up an attribute index by Namespace name.
+ *
+ * @param uri The Namespace URI or the empty string.
+ * @param localName The local name.
+ * @return The attributes index, or -1 if none was found.
+ * @see org.xml.sax.Attributes#getIndex(java.lang.String,java.lang.String)
+ */
+ public int getIndex (String uri, String localName)
+ {
+ return -1;
+ }
+
+
+ /**
+ * Look up an attribute index by qualified (prefixed) name.
+ *
+ * @param qName The qualified name.
+ * @return The attributes index, or -1 if none was found.
+ * @see org.xml.sax.Attributes#getIndex(java.lang.String)
+ */
+ public int getIndex (String qName)
+ {
+ int max = atts.getLength();
+ for (int i = 0; i < max; i++) {
+ if (qAtts.getName(i).equals(qName)) {
+ return i;
+ }
+ }
+ return -1;
+ }
+
+
+ /**
+ * Look up the type of an attribute by Namespace name.
+ *
+ * @param uri The Namespace URI
+ * @param localName The local name.
+ * @return The attribute's type as an internalized string.
+ */
+ public String getType (String uri, String localName)
+ {
+ return null;
+ }
+
+
+ /**
+ * Look up the type of an attribute by qualified (prefixed) name.
+ *
+ * @param qName The qualified name.
+ * @return The attribute's type as an internalized string.
+ */
+ public String getType (String qName)
+ {
+ return qAtts.getType(qName).intern();
+ }
+
+
+ /**
+ * Look up the value of an attribute by Namespace name.
+ *
+ * @param uri The Namespace URI
+ * @param localName The local name.
+ * @return The attribute's value.
+ */
+ public String getValue (String uri, String localName)
+ {
+ return null;
+ }
+
+
+ /**
+ * Look up the value of an attribute by qualified (prefixed) name.
+ *
+ * @param qName The qualified name.
+ * @return The attribute's value.
+ */
+ public String getValue (String qName)
+ {
+ return qAtts.getValue(qName);
+ }
+
+ private AttributeList qAtts;
+ }
+}
+
+// end of ParserAdapter.java
diff --git a/libjava/org/xml/sax/helpers/ParserFactory.java b/libjava/org/xml/sax/helpers/ParserFactory.java new file mode 100644 index 00000000000..9ca7b55002f --- /dev/null +++ b/libjava/org/xml/sax/helpers/ParserFactory.java @@ -0,0 +1,129 @@ +// SAX parser factory.
+// No warranty; no copyright -- use this as you will.
+// $Id: ParserFactory.java,v 1.1 2000/10/02 02:43:20 sboag Exp $
+
+package org.xml.sax.helpers;
+
+import java.lang.ClassNotFoundException;
+import java.lang.IllegalAccessException;
+import java.lang.InstantiationException;
+import java.lang.SecurityException;
+import java.lang.ClassCastException;
+
+import org.xml.sax.Parser;
+
+
+/**
+ * Java-specific class for dynamically loading SAX parsers.
+ *
+ * <blockquote>
+ * <em>This module, both source code and documentation, is in the
+ * Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
+ * </blockquote>
+ *
+ * <p><strong>Note:</strong> This class is designed to work with the now-deprecated
+ * SAX1 {@link org.xml.sax.Parser Parser} class. SAX2 applications should use
+ * {@link org.xml.sax.helpers.XMLReaderFactory XMLReaderFactory} instead.</p>
+ *
+ * <p>ParserFactory is not part of the platform-independent definition
+ * of SAX; it is an additional convenience class designed
+ * specifically for Java XML application writers. SAX applications
+ * can use the static methods in this class to allocate a SAX parser
+ * dynamically at run-time based either on the value of the
+ * `org.xml.sax.parser' system property or on a string containing the class
+ * name.</p>
+ *
+ * <p>Note that the application still requires an XML parser that
+ * implements SAX1.</p>
+ *
+ * @deprecated This class works with the deprecated
+ * {@link org.xml.sax.Parser Parser}
+ * interface.
+ * @since SAX 1.0
+ * @author David Megginson,
+ * <a href="mailto:sax@megginson.com">sax@megginson.com</a>
+ * @version 2.0
+ * @see org.xml.sax.Parser
+ * @see java.lang.Class
+ */
+public class ParserFactory {
+
+
+ /**
+ * Private null constructor.
+ */
+ private ParserFactory ()
+ {
+ }
+
+
+ /**
+ * Create a new SAX parser using the `org.xml.sax.parser' system property.
+ *
+ * <p>The named class must exist and must implement the
+ * {@link org.xml.sax.Parser Parser} interface.</p>
+ *
+ * @exception java.lang.NullPointerException There is no value
+ * for the `org.xml.sax.parser' system property.
+ * @exception java.lang.ClassNotFoundException The SAX parser
+ * class was not found (check your CLASSPATH).
+ * @exception IllegalAccessException The SAX parser class was
+ * found, but you do not have permission to load
+ * it.
+ * @exception InstantiationException The SAX parser class was
+ * found but could not be instantiated.
+ * @exception java.lang.ClassCastException The SAX parser class
+ * was found and instantiated, but does not implement
+ * org.xml.sax.Parser.
+ * @see #makeParser(java.lang.String)
+ * @see org.xml.sax.Parser
+ */
+ public static Parser makeParser ()
+ throws ClassNotFoundException,
+ IllegalAccessException,
+ InstantiationException,
+ NullPointerException,
+ ClassCastException
+ {
+ String className = System.getProperty("org.xml.sax.parser");
+ if (className == null) {
+ throw new NullPointerException("No value for sax.parser property");
+ } else {
+ return makeParser(className);
+ }
+ }
+
+
+ /**
+ * Create a new SAX parser object using the class name provided.
+ *
+ * <p>The named class must exist and must implement the
+ * {@link org.xml.sax.Parser Parser} interface.</p>
+ *
+ * @param className A string containing the name of the
+ * SAX parser class.
+ * @exception java.lang.ClassNotFoundException The SAX parser
+ * class was not found (check your CLASSPATH).
+ * @exception IllegalAccessException The SAX parser class was
+ * found, but you do not have permission to load
+ * it.
+ * @exception InstantiationException The SAX parser class was
+ * found but could not be instantiated.
+ * @exception java.lang.ClassCastException The SAX parser class
+ * was found and instantiated, but does not implement
+ * org.xml.sax.Parser.
+ * @see #makeParser()
+ * @see org.xml.sax.Parser
+ */
+ public static Parser makeParser (String className)
+ throws ClassNotFoundException,
+ IllegalAccessException,
+ InstantiationException,
+ ClassCastException
+ {
+ return (Parser)(Class.forName(className).newInstance());
+ }
+
+}
+
+// end of ParserFactory.java
diff --git a/libjava/org/xml/sax/helpers/XMLFilterImpl.java b/libjava/org/xml/sax/helpers/XMLFilterImpl.java new file mode 100644 index 00000000000..5b1afaf6c2f --- /dev/null +++ b/libjava/org/xml/sax/helpers/XMLFilterImpl.java @@ -0,0 +1,769 @@ +// XMLFilterImpl.java - base SAX2 filter implementation.
+// Written by David Megginson, sax@megginson.com
+// NO WARRANTY! This class is in the Public Domain.
+
+// $Id: XMLFilterImpl.java,v 1.1 2000/10/02 02:43:20 sboag Exp $
+
+package org.xml.sax.helpers;
+
+import java.io.IOException;
+
+import org.xml.sax.XMLReader;
+import org.xml.sax.XMLFilter;
+import org.xml.sax.InputSource;
+import org.xml.sax.Locator;
+import org.xml.sax.Attributes;
+import org.xml.sax.EntityResolver;
+import org.xml.sax.DTDHandler;
+import org.xml.sax.ContentHandler;
+import org.xml.sax.ErrorHandler;
+import org.xml.sax.SAXException;
+import org.xml.sax.SAXParseException;
+import org.xml.sax.SAXNotSupportedException;
+import org.xml.sax.SAXNotRecognizedException;
+
+
+/**
+ * Base class for deriving an XML filter.
+ *
+ * <blockquote>
+ * <em>This module, both source code and documentation, is in the
+ * Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
+ * </blockquote>
+ *
+ * <p>This class is designed to sit between an {@link org.xml.sax.XMLReader
+ * XMLReader} and the client application's event handlers. By default, it
+ * does nothing but pass requests up to the reader and events
+ * on to the handlers unmodified, but subclasses can override
+ * specific methods to modify the event stream or the configuration
+ * requests as they pass through.</p>
+ *
+ * @since SAX 2.0
+ * @author David Megginson,
+ * <a href="mailto:sax@megginson.com">sax@megginson.com</a>
+ * @version 2.0
+ * @see org.xml.sax.XMLFilter
+ * @see org.xml.sax.XMLReader
+ * @see org.xml.sax.EntityResolver
+ * @see org.xml.sax.DTDHandler
+ * @see org.xml.sax.ContentHandler
+ * @see org.xml.sax.ErrorHandler
+ */
+public class XMLFilterImpl
+ implements XMLFilter, EntityResolver, DTDHandler, ContentHandler, ErrorHandler
+{
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Constructors.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Construct an empty XML filter, with no parent.
+ *
+ * <p>This filter will have no parent: you must assign a parent
+ * before you start a parse or do any configuration with
+ * setFeature or setProperty.</p>
+ *
+ * @see org.xml.sax.XMLReader#setFeature
+ * @see org.xml.sax.XMLReader#setProperty
+ */
+ public XMLFilterImpl ()
+ {
+ super();
+ }
+
+
+ /**
+ * Construct an XML filter with the specified parent.
+ *
+ * @see #setParent
+ * @see #getParent
+ */
+ public XMLFilterImpl (XMLReader parent)
+ {
+ super();
+ setParent(parent);
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Implementation of org.xml.sax.XMLFilter.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Set the parent reader.
+ *
+ * <p>This is the {@link org.xml.sax.XMLReader XMLReader} from which
+ * this filter will obtain its events and to which it will pass its
+ * configuration requests. The parent may itself be another filter.</p>
+ *
+ * <p>If there is no parent reader set, any attempt to parse
+ * or to set or get a feature or property will fail.</p>
+ *
+ * @param parent The parent XML reader.
+ * @exception java.lang.NullPointerException If the parent is null.
+ * @see #getParent
+ */
+ public void setParent (XMLReader parent)
+ {
+ if (parent == null) {
+ throw new NullPointerException("Null parent");
+ }
+ this.parent = parent;
+ }
+
+
+ /**
+ * Get the parent reader.
+ *
+ * @return The parent XML reader, or null if none is set.
+ * @see #setParent
+ */
+ public XMLReader getParent ()
+ {
+ return parent;
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Implementation of org.xml.sax.XMLReader.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Set the state of a feature.
+ *
+ * <p>This will always fail if the parent is null.</p>
+ *
+ * @param name The feature name.
+ * @param state The requested feature state.
+ * @exception org.xml.sax.SAXNotRecognizedException When the
+ * XMLReader does not recognize the feature name.
+ * @exception org.xml.sax.SAXNotSupportedException When the
+ * XMLReader recognizes the feature name but
+ * cannot set the requested value.
+ * @see org.xml.sax.XMLReader#setFeature
+ */
+ public void setFeature (String name, boolean state)
+ throws SAXNotRecognizedException, SAXNotSupportedException
+ {
+ if (parent != null) {
+ parent.setFeature(name, state);
+ } else {
+ throw new SAXNotRecognizedException("Feature: " + name);
+ }
+ }
+
+
+ /**
+ * Look up the state of a feature.
+ *
+ * <p>This will always fail if the parent is null.</p>
+ *
+ * @param name The feature name.
+ * @return The current state of the feature.
+ * @exception org.xml.sax.SAXNotRecognizedException When the
+ * XMLReader does not recognize the feature name.
+ * @exception org.xml.sax.SAXNotSupportedException When the
+ * XMLReader recognizes the feature name but
+ * cannot determine its state at this time.
+ * @see org.xml.sax.XMLReader#getFeature
+ */
+ public boolean getFeature (String name)
+ throws SAXNotRecognizedException, SAXNotSupportedException
+ {
+ if (parent != null) {
+ return parent.getFeature(name);
+ } else {
+ throw new SAXNotRecognizedException("Feature: " + name);
+ }
+ }
+
+
+ /**
+ * Set the value of a property.
+ *
+ * <p>This will always fail if the parent is null.</p>
+ *
+ * @param name The property name.
+ * @param state The requested property value.
+ * @exception org.xml.sax.SAXNotRecognizedException When the
+ * XMLReader does not recognize the property name.
+ * @exception org.xml.sax.SAXNotSupportedException When the
+ * XMLReader recognizes the property name but
+ * cannot set the requested value.
+ * @see org.xml.sax.XMLReader#setProperty
+ */
+ public void setProperty (String name, Object value)
+ throws SAXNotRecognizedException, SAXNotSupportedException
+ {
+ if (parent != null) {
+ parent.setProperty(name, value);
+ } else {
+ throw new SAXNotRecognizedException("Property: " + name);
+ }
+ }
+
+
+ /**
+ * Look up the value of a property.
+ *
+ * @param name The property name.
+ * @return The current value of the property.
+ * @exception org.xml.sax.SAXNotRecognizedException When the
+ * XMLReader does not recognize the feature name.
+ * @exception org.xml.sax.SAXNotSupportedException When the
+ * XMLReader recognizes the property name but
+ * cannot determine its value at this time.
+ * @see org.xml.sax.XMLReader#setFeature
+ */
+ public Object getProperty (String name)
+ throws SAXNotRecognizedException, SAXNotSupportedException
+ {
+ if (parent != null) {
+ return parent.getProperty(name);
+ } else {
+ throw new SAXNotRecognizedException("Property: " + name);
+ }
+ }
+
+
+ /**
+ * Set the entity resolver.
+ *
+ * @param resolver The new entity resolver.
+ * @exception java.lang.NullPointerException If the resolver
+ * is null.
+ * @see org.xml.sax.XMLReader#setEntityResolver
+ */
+ public void setEntityResolver (EntityResolver resolver)
+ {
+ if (resolver == null) {
+ throw new NullPointerException("Null entity resolver");
+ } else {
+ entityResolver = resolver;
+ }
+ }
+
+
+ /**
+ * Get the current entity resolver.
+ *
+ * @return The current entity resolver, or null if none was set.
+ * @see org.xml.sax.XMLReader#getEntityResolver
+ */
+ public EntityResolver getEntityResolver ()
+ {
+ return entityResolver;
+ }
+
+
+ /**
+ * Set the DTD event handler.
+ *
+ * @param resolver The new DTD handler.
+ * @exception java.lang.NullPointerException If the handler
+ * is null.
+ * @see org.xml.sax.XMLReader#setDTDHandler
+ */
+ public void setDTDHandler (DTDHandler handler)
+ {
+ if (handler == null) {
+ throw new NullPointerException("Null DTD handler");
+ } else {
+ dtdHandler = handler;
+ }
+ }
+
+
+ /**
+ * Get the current DTD event handler.
+ *
+ * @return The current DTD handler, or null if none was set.
+ * @see org.xml.sax.XMLReader#getDTDHandler
+ */
+ public DTDHandler getDTDHandler ()
+ {
+ return dtdHandler;
+ }
+
+
+ /**
+ * Set the content event handler.
+ *
+ * @param resolver The new content handler.
+ * @exception java.lang.NullPointerException If the handler
+ * is null.
+ * @see org.xml.sax.XMLReader#setContentHandler
+ */
+ public void setContentHandler (ContentHandler handler)
+ {
+ if (handler == null) {
+ throw new NullPointerException("Null content handler");
+ } else {
+ contentHandler = handler;
+ }
+ }
+
+
+ /**
+ * Get the content event handler.
+ *
+ * @return The current content handler, or null if none was set.
+ * @see org.xml.sax.XMLReader#getContentHandler
+ */
+ public ContentHandler getContentHandler ()
+ {
+ return contentHandler;
+ }
+
+
+ /**
+ * Set the error event handler.
+ *
+ * @param handle The new error handler.
+ * @exception java.lang.NullPointerException If the handler
+ * is null.
+ * @see org.xml.sax.XMLReader#setErrorHandler
+ */
+ public void setErrorHandler (ErrorHandler handler)
+ {
+ if (handler == null) {
+ throw new NullPointerException("Null error handler");
+ } else {
+ errorHandler = handler;
+ }
+ }
+
+
+ /**
+ * Get the current error event handler.
+ *
+ * @return The current error handler, or null if none was set.
+ * @see org.xml.sax.XMLReader#getErrorHandler
+ */
+ public ErrorHandler getErrorHandler ()
+ {
+ return errorHandler;
+ }
+
+
+ /**
+ * Parse a document.
+ *
+ * @param input The input source for the document entity.
+ * @exception org.xml.sax.SAXException Any SAX exception, possibly
+ * wrapping another exception.
+ * @exception java.io.IOException An IO exception from the parser,
+ * possibly from a byte stream or character stream
+ * supplied by the application.
+ * @see org.xml.sax.XMLReader#parse(org.xml.sax.InputSource)
+ */
+ public void parse (InputSource input)
+ throws SAXException, IOException
+ {
+ setupParse();
+ parent.parse(input);
+ }
+
+
+ /**
+ * Parse a document.
+ *
+ * @param systemId The system identifier as a fully-qualified URI.
+ * @exception org.xml.sax.SAXException Any SAX exception, possibly
+ * wrapping another exception.
+ * @exception java.io.IOException An IO exception from the parser,
+ * possibly from a byte stream or character stream
+ * supplied by the application.
+ * @see org.xml.sax.XMLReader#parse(java.lang.String)
+ */
+ public void parse (String systemId)
+ throws SAXException, IOException
+ {
+ parse(new InputSource(systemId));
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Implementation of org.xml.sax.EntityResolver.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Filter an external entity resolution.
+ *
+ * @param publicId The entity's public identifier, or null.
+ * @param systemId The entity's system identifier.
+ * @return A new InputSource or null for the default.
+ * @exception org.xml.sax.SAXException The client may throw
+ * an exception during processing.
+ * @exception java.io.IOException The client may throw an
+ * I/O-related exception while obtaining the
+ * new InputSource.
+ * @see org.xml.sax.EntityResolver#resolveEntity
+ */
+ public InputSource resolveEntity (String publicId, String systemId)
+ throws SAXException, IOException
+ {
+ if (entityResolver != null) {
+ return entityResolver.resolveEntity(publicId, systemId);
+ } else {
+ return null;
+ }
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Implementation of org.xml.sax.DTDHandler.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Filter a notation declaration event.
+ *
+ * @param name The notation name.
+ * @param publicId The notation's public identifier, or null.
+ * @param systemId The notation's system identifier, or null.
+ * @exception org.xml.sax.SAXException The client may throw
+ * an exception during processing.
+ * @see org.xml.sax.DTDHandler#notationDecl
+ */
+ public void notationDecl (String name, String publicId, String systemId)
+ throws SAXException
+ {
+ if (dtdHandler != null) {
+ dtdHandler.notationDecl(name, publicId, systemId);
+ }
+ }
+
+
+ /**
+ * Filter an unparsed entity declaration event.
+ *
+ * @param name The entity name.
+ * @param publicId The entity's public identifier, or null.
+ * @param systemId The entity's system identifier, or null.
+ * @param notationName The name of the associated notation.
+ * @exception org.xml.sax.SAXException The client may throw
+ * an exception during processing.
+ * @see org.xml.sax.DTDHandler#unparsedEntityDecl
+ */
+ public void unparsedEntityDecl (String name, String publicId,
+ String systemId, String notationName)
+ throws SAXException
+ {
+ if (dtdHandler != null) {
+ dtdHandler.unparsedEntityDecl(name, publicId, systemId,
+ notationName);
+ }
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Implementation of org.xml.sax.ContentHandler.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Filter a new document locator event.
+ *
+ * @param locator The document locator.
+ * @see org.xml.sax.ContentHandler#setDocumentLocator
+ */
+ public void setDocumentLocator (Locator locator)
+ {
+ this.locator = locator;
+ if (contentHandler != null) {
+ contentHandler.setDocumentLocator(locator);
+ }
+ }
+
+
+ /**
+ * Filter a start document event.
+ *
+ * @exception org.xml.sax.SAXException The client may throw
+ * an exception during processing.
+ * @see org.xml.sax.ContentHandler#startDocument
+ */
+ public void startDocument ()
+ throws SAXException
+ {
+ if (contentHandler != null) {
+ contentHandler.startDocument();
+ }
+ }
+
+
+ /**
+ * Filter an end document event.
+ *
+ * @exception org.xml.sax.SAXException The client may throw
+ * an exception during processing.
+ * @see org.xml.sax.ContentHandler#endDocument
+ */
+ public void endDocument ()
+ throws SAXException
+ {
+ if (contentHandler != null) {
+ contentHandler.endDocument();
+ }
+ }
+
+
+ /**
+ * Filter a start Namespace prefix mapping event.
+ *
+ * @param prefix The Namespace prefix.
+ * @param uri The Namespace URI.
+ * @exception org.xml.sax.SAXException The client may throw
+ * an exception during processing.
+ * @see org.xml.sax.ContentHandler#startPrefixMapping
+ */
+ public void startPrefixMapping (String prefix, String uri)
+ throws SAXException
+ {
+ if (contentHandler != null) {
+ contentHandler.startPrefixMapping(prefix, uri);
+ }
+ }
+
+
+ /**
+ * Filter an end Namespace prefix mapping event.
+ *
+ * @param prefix The Namespace prefix.
+ * @exception org.xml.sax.SAXException The client may throw
+ * an exception during processing.
+ * @see org.xml.sax.ContentHandler#endPrefixMapping
+ */
+ public void endPrefixMapping (String prefix)
+ throws SAXException
+ {
+ if (contentHandler != null) {
+ contentHandler.endPrefixMapping(prefix);
+ }
+ }
+
+
+ /**
+ * Filter a start element event.
+ *
+ * @param uri The element's Namespace URI, or the empty string.
+ * @param localName The element's local name, or the empty string.
+ * @param qName The element's qualified (prefixed) name, or the empty
+ * string.
+ * @param atts The element's attributes.
+ * @exception org.xml.sax.SAXException The client may throw
+ * an exception during processing.
+ * @see org.xml.sax.ContentHandler#startElement
+ */
+ public void startElement (String uri, String localName, String qName,
+ Attributes atts)
+ throws SAXException
+ {
+ if (contentHandler != null) {
+ contentHandler.startElement(uri, localName, qName, atts);
+ }
+ }
+
+
+ /**
+ * Filter an end element event.
+ *
+ * @param uri The element's Namespace URI, or the empty string.
+ * @param localName The element's local name, or the empty string.
+ * @param qName The element's qualified (prefixed) name, or the empty
+ * string.
+ * @exception org.xml.sax.SAXException The client may throw
+ * an exception during processing.
+ * @see org.xml.sax.ContentHandler#endElement
+ */
+ public void endElement (String uri, String localName, String qName)
+ throws SAXException
+ {
+ if (contentHandler != null) {
+ contentHandler.endElement(uri, localName, qName);
+ }
+ }
+
+
+ /**
+ * Filter a character data event.
+ *
+ * @param ch An array of characters.
+ * @param start The starting position in the array.
+ * @param length The number of characters to use from the array.
+ * @exception org.xml.sax.SAXException The client may throw
+ * an exception during processing.
+ * @see org.xml.sax.ContentHandler#characters
+ */
+ public void characters (char ch[], int start, int length)
+ throws SAXException
+ {
+ if (contentHandler != null) {
+ contentHandler.characters(ch, start, length);
+ }
+ }
+
+
+ /**
+ * Filter an ignorable whitespace event.
+ *
+ * @param ch An array of characters.
+ * @param start The starting position in the array.
+ * @param length The number of characters to use from the array.
+ * @exception org.xml.sax.SAXException The client may throw
+ * an exception during processing.
+ * @see org.xml.sax.ContentHandler#ignorableWhitespace
+ */
+ public void ignorableWhitespace (char ch[], int start, int length)
+ throws SAXException
+ {
+ if (contentHandler != null) {
+ contentHandler.ignorableWhitespace(ch, start, length);
+ }
+ }
+
+
+ /**
+ * Filter a processing instruction event.
+ *
+ * @param target The processing instruction target.
+ * @param data The text following the target.
+ * @exception org.xml.sax.SAXException The client may throw
+ * an exception during processing.
+ * @see org.xml.sax.ContentHandler#processingInstruction
+ */
+ public void processingInstruction (String target, String data)
+ throws SAXException
+ {
+ if (contentHandler != null) {
+ contentHandler.processingInstruction(target, data);
+ }
+ }
+
+
+ /**
+ * Filter a skipped entity event.
+ *
+ * @param name The name of the skipped entity.
+ * @exception org.xml.sax.SAXException The client may throw
+ * an exception during processing.
+ * @see org.xml.sax.ContentHandler#skippedEntity
+ */
+ public void skippedEntity (String name)
+ throws SAXException
+ {
+ if (contentHandler != null) {
+ contentHandler.skippedEntity(name);
+ }
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Implementation of org.xml.sax.ErrorHandler.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Filter a warning event.
+ *
+ * @param e The nwarning as an exception.
+ * @exception org.xml.sax.SAXException The client may throw
+ * an exception during processing.
+ * @see org.xml.sax.ErrorHandler#warning
+ */
+ public void warning (SAXParseException e)
+ throws SAXException
+ {
+ if (errorHandler != null) {
+ errorHandler.warning(e);
+ }
+ }
+
+
+ /**
+ * Filter an error event.
+ *
+ * @param e The error as an exception.
+ * @exception org.xml.sax.SAXException The client may throw
+ * an exception during processing.
+ * @see org.xml.sax.ErrorHandler#error
+ */
+ public void error (SAXParseException e)
+ throws SAXException
+ {
+ if (errorHandler != null) {
+ errorHandler.error(e);
+ }
+ }
+
+
+ /**
+ * Filter a fatal error event.
+ *
+ * @param e The error as an exception.
+ * @exception org.xml.sax.SAXException The client may throw
+ * an exception during processing.
+ * @see org.xml.sax.ErrorHandler#fatalError
+ */
+ public void fatalError (SAXParseException e)
+ throws SAXException
+ {
+ if (errorHandler != null) {
+ errorHandler.fatalError(e);
+ }
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Internal methods.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Set up before a parse.
+ *
+ * <p>Before every parse, check whether the parent is
+ * non-null, and re-register the filter for all of the
+ * events.</p>
+ */
+ private void setupParse ()
+ {
+ if (parent == null) {
+ throw new NullPointerException("No parent for filter");
+ }
+ parent.setEntityResolver(this);
+ parent.setDTDHandler(this);
+ parent.setContentHandler(this);
+ parent.setErrorHandler(this);
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Internal state.
+ ////////////////////////////////////////////////////////////////////
+
+ private XMLReader parent = null;
+ private Locator locator = null;
+ private EntityResolver entityResolver = null;
+ private DTDHandler dtdHandler = null;
+ private ContentHandler contentHandler = null;
+ private ErrorHandler errorHandler = null;
+
+}
+
+// end of XMLFilterImpl.java
diff --git a/libjava/org/xml/sax/helpers/XMLReaderAdapter.java b/libjava/org/xml/sax/helpers/XMLReaderAdapter.java new file mode 100644 index 00000000000..4fb44d91d8e --- /dev/null +++ b/libjava/org/xml/sax/helpers/XMLReaderAdapter.java @@ -0,0 +1,526 @@ +// XMLReaderAdapter.java - adapt an SAX2 XMLReader to a SAX1 Parser
+// Written by David Megginson, sax@megginson.com
+// NO WARRANTY! This class is in the public domain.
+
+// $Id: XMLReaderAdapter.java,v 1.1 2000/10/02 02:43:20 sboag Exp $
+
+package org.xml.sax.helpers;
+
+import java.io.IOException;
+import java.util.Locale;
+
+import org.xml.sax.Parser; // deprecated
+import org.xml.sax.Locator;
+import org.xml.sax.InputSource;
+import org.xml.sax.AttributeList; // deprecated
+import org.xml.sax.EntityResolver;
+import org.xml.sax.DTDHandler;
+import org.xml.sax.DocumentHandler; // deprecated
+import org.xml.sax.ErrorHandler;
+import org.xml.sax.SAXException;
+
+import org.xml.sax.XMLReader;
+import org.xml.sax.Attributes;
+import org.xml.sax.ContentHandler;
+import org.xml.sax.SAXNotSupportedException;
+
+
+/**
+ * Adapt a SAX2 XMLReader as a SAX1 Parser.
+ *
+ * <blockquote>
+ * <em>This module, both source code and documentation, is in the
+ * Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
+ * </blockquote>
+ *
+ * <p>This class wraps a SAX2 {@link org.xml.sax.XMLReader XMLReader}
+ * and makes it act as a SAX1 {@link org.xml.sax.Parser Parser}. The XMLReader
+ * must support a true value for the
+ * http://xml.org/sax/features/namespace-prefixes property or parsing will fail
+ * with a {@link org.xml.sax.SAXException SAXException}; if the XMLReader
+ * supports a false value for the http://xml.org/sax/features/namespaces
+ * property, that will also be used to improve efficiency.</p>
+ *
+ * @since SAX 2.0
+ * @author David Megginson,
+ * <a href="mailto:sax@megginson.com">sax@megginson.com</a>
+ * @version 2.0
+ * @see org.xml.sax.Parser
+ * @see org.xml.sax.XMLReader
+ */
+public class XMLReaderAdapter implements Parser, ContentHandler
+{
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Constructor.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Create a new adapter.
+ *
+ * <p>Use the "org.xml.sax.driver" property to locate the SAX2
+ * driver to embed.</p>
+ *
+ * @exception org.xml.sax.SAXException If the embedded driver
+ * cannot be instantiated or if the
+ * org.xml.sax.driver property is not specified.
+ */
+ public XMLReaderAdapter ()
+ throws SAXException
+ {
+ setup(XMLReaderFactory.createXMLReader());
+ }
+
+
+ /**
+ * Create a new adapter.
+ *
+ * <p>Create a new adapter, wrapped around a SAX2 XMLReader.
+ * The adapter will make the XMLReader act like a SAX1
+ * Parser.</p>
+ *
+ * @param xmlReader The SAX2 XMLReader to wrap.
+ * @exception java.lang.NullPointerException If the argument is null.
+ */
+ public XMLReaderAdapter (XMLReader xmlReader)
+ {
+ setup(xmlReader);
+ }
+
+
+
+ /**
+ * Internal setup.
+ *
+ * @param xmlReader The embedded XMLReader.
+ */
+ private void setup (XMLReader xmlReader)
+ {
+ if (xmlReader == null) {
+ throw new NullPointerException("XMLReader must not be null");
+ }
+ this.xmlReader = xmlReader;
+ qAtts = new AttributesAdapter();
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Implementation of org.xml.sax.Parser.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Set the locale for error reporting.
+ *
+ * <p>This is not supported in SAX2, and will always throw
+ * an exception.</p>
+ *
+ * @param The locale for error reporting.
+ * @see org.xml.sax.Parser#setLocale
+ */
+ public void setLocale (Locale locale)
+ throws SAXException
+ {
+ throw new SAXNotSupportedException("setLocale not supported");
+ }
+
+
+ /**
+ * Register the entity resolver.
+ *
+ * @param resolver The new resolver.
+ * @see org.xml.sax.Parser#setEntityResolver
+ */
+ public void setEntityResolver (EntityResolver resolver)
+ {
+ xmlReader.setEntityResolver(resolver);
+ }
+
+
+ /**
+ * Register the DTD event handler.
+ *
+ * @param handler The new DTD event handler.
+ * @see org.xml.sax.Parser#setDTDHandler
+ */
+ public void setDTDHandler (DTDHandler handler)
+ {
+ xmlReader.setDTDHandler(handler);
+ }
+
+
+ /**
+ * Register the SAX1 document event handler.
+ *
+ * <p>Note that the SAX1 document handler has no Namespace
+ * support.</p>
+ *
+ * @param handler The new SAX1 document event handler.
+ * @see org.xml.sax.Parser#setDocumentHandler
+ */
+ public void setDocumentHandler (DocumentHandler handler)
+ {
+ documentHandler = handler;
+ }
+
+
+ /**
+ * Register the error event handler.
+ *
+ * @param handler The new error event handler.
+ * @see org.xml.sax.Parser#setErrorHandler
+ */
+ public void setErrorHandler (ErrorHandler handler)
+ {
+ xmlReader.setErrorHandler(handler);
+ }
+
+
+ /**
+ * Parse the document.
+ *
+ * <p>This method will throw an exception if the embedded
+ * XMLReader does not support the
+ * http://xml.org/sax/features/namespace-prefixes property.</p>
+ *
+ * @param systemId The absolute URL of the document.
+ * @exception java.io.IOException If there is a problem reading
+ * the raw content of the document.
+ * @exception org.xml.sax.SAXException If there is a problem
+ * processing the document.
+ * @see #parse(org.xml.sax.InputSource)
+ * @see org.xml.sax.Parser#parse(java.lang.String)
+ */
+ public void parse (String systemId)
+ throws IOException, SAXException
+ {
+ parse(new InputSource(systemId));
+ }
+
+
+ /**
+ * Parse the document.
+ *
+ * <p>This method will throw an exception if the embedded
+ * XMLReader does not support the
+ * http://xml.org/sax/features/namespace-prefixes property.</p>
+ *
+ * @param input An input source for the document.
+ * @exception java.io.IOException If there is a problem reading
+ * the raw content of the document.
+ * @exception org.xml.sax.SAXException If there is a problem
+ * processing the document.
+ * @see #parse(java.lang.String)
+ * @see org.xml.sax.Parser#parse(org.xml.sax.InputSource)
+ */
+ public void parse (InputSource input)
+ throws IOException, SAXException
+ {
+ setupXMLReader();
+ xmlReader.parse(input);
+ }
+
+
+ /**
+ * Set up the XML reader.
+ */
+ private void setupXMLReader ()
+ throws SAXException
+ {
+ xmlReader.setFeature("http://xml.org/sax/features/namespace-prefixes", true);
+ try {
+ xmlReader.setFeature("http://xml.org/sax/features/namespaces",
+ false);
+ } catch (SAXException e) {
+ // NO OP: it's just extra information, and we can ignore it
+ }
+ xmlReader.setContentHandler(this);
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Implementation of org.xml.sax.ContentHandler.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Set a document locator.
+ *
+ * @param locator The document locator.
+ * @see org.xml.sax.ContentHandler#setDocumentLocator
+ */
+ public void setDocumentLocator (Locator locator)
+ {
+ documentHandler.setDocumentLocator(locator);
+ }
+
+
+ /**
+ * Start document event.
+ *
+ * @exception org.xml.sax.SAXException The client may raise a
+ * processing exception.
+ * @see org.xml.sax.ContentHandler#startDocument
+ */
+ public void startDocument ()
+ throws SAXException
+ {
+ documentHandler.startDocument();
+ }
+
+
+ /**
+ * End document event.
+ *
+ * @exception org.xml.sax.SAXException The client may raise a
+ * processing exception.
+ * @see org.xml.sax.ContentHandler#endDocument
+ */
+ public void endDocument ()
+ throws SAXException
+ {
+ documentHandler.endDocument();
+ }
+
+
+ /**
+ * Adapt a SAX2 start prefix mapping event.
+ *
+ * @param prefix The prefix being mapped.
+ * @param uri The Namespace URI being mapped to.
+ * @see org.xml.sax.ContentHandler#startPrefixMapping
+ */
+ public void startPrefixMapping (String prefix, String uri)
+ {
+ }
+
+
+ /**
+ * Adapt a SAX2 end prefix mapping event.
+ *
+ * @param prefix The prefix being mapped.
+ * @see org.xml.sax.ContentHandler#endPrefixMapping
+ */
+ public void endPrefixMapping (String prefix)
+ {
+ }
+
+
+ /**
+ * Adapt a SAX2 start element event.
+ *
+ * @param uri The Namespace URI.
+ * @param localName The Namespace local name.
+ * @param qName The qualified (prefixed) name.
+ * @param atts The SAX2 attributes.
+ * @exception org.xml.sax.SAXException The client may raise a
+ * processing exception.
+ * @see org.xml.sax.ContentHandler#endDocument
+ */
+ public void startElement (String uri, String localName,
+ String qName, Attributes atts)
+ throws SAXException
+ {
+ qAtts.setAttributes(atts);
+ documentHandler.startElement(qName, qAtts);
+ }
+
+
+ /**
+ * Adapt a SAX2 end element event.
+ *
+ * @param uri The Namespace URI.
+ * @param localName The Namespace local name.
+ * @param qName The qualified (prefixed) name.
+ * @exception org.xml.sax.SAXException The client may raise a
+ * processing exception.
+ * @see org.xml.sax.ContentHandler#endElement
+ */
+ public void endElement (String uri, String localName,
+ String qName)
+ throws SAXException
+ {
+ documentHandler.endElement(qName);
+ }
+
+
+ /**
+ * Adapt a SAX2 characters event.
+ *
+ * @param ch An array of characters.
+ * @param start The starting position in the array.
+ * @param length The number of characters to use.
+ * @exception org.xml.sax.SAXException The client may raise a
+ * processing exception.
+ * @see org.xml.sax.ContentHandler#characters
+ */
+ public void characters (char ch[], int start, int length)
+ throws SAXException
+ {
+ documentHandler.characters(ch, start, length);
+ }
+
+
+ /**
+ * Adapt a SAX2 ignorable whitespace event.
+ *
+ * @param ch An array of characters.
+ * @param start The starting position in the array.
+ * @param length The number of characters to use.
+ * @exception org.xml.sax.SAXException The client may raise a
+ * processing exception.
+ * @see org.xml.sax.ContentHandler#ignorableWhitespace
+ */
+ public void ignorableWhitespace (char ch[], int start, int length)
+ throws SAXException
+ {
+ documentHandler.ignorableWhitespace(ch, start, length);
+ }
+
+
+ /**
+ * Adapt a SAX2 processing instruction event.
+ *
+ * @param target The processing instruction target.
+ * @param data The remainder of the processing instruction
+ * @exception org.xml.sax.SAXException The client may raise a
+ * processing exception.
+ * @see org.xml.sax.ContentHandler#processingInstruction
+ */
+ public void processingInstruction (String target, String data)
+ throws SAXException
+ {
+ documentHandler.processingInstruction(target, data);
+ }
+
+
+ /**
+ * Adapt a SAX2 skipped entity event.
+ *
+ * @param name The name of the skipped entity.
+ * @see org.xml.sax.ContentHandler#skippedEntity
+ */
+ public void skippedEntity (String name)
+ throws SAXException
+ {
+ }
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Internal state.
+ ////////////////////////////////////////////////////////////////////
+
+ XMLReader xmlReader;
+ DocumentHandler documentHandler;
+ AttributesAdapter qAtts;
+
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Internal class.
+ ////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Internal class to wrap a SAX2 Attributes object for SAX1.
+ */
+ final class AttributesAdapter implements AttributeList
+ {
+ AttributesAdapter ()
+ {
+ }
+
+
+ /**
+ * Set the embedded Attributes object.
+ *
+ * @param The embedded SAX2 Attributes.
+ */
+ void setAttributes (Attributes attributes)
+ {
+ this.attributes = attributes;
+ }
+
+
+ /**
+ * Return the number of attributes.
+ *
+ * @return The length of the attribute list.
+ * @see org.xml.sax.AttributeList#getLength
+ */
+ public int getLength ()
+ {
+ return attributes.getLength();
+ }
+
+
+ /**
+ * Return the qualified (prefixed) name of an attribute by position.
+ *
+ * @return The qualified name.
+ * @see org.xml.sax.AttributeList#getName
+ */
+ public String getName (int i)
+ {
+ return attributes.getQName(i);
+ }
+
+
+ /**
+ * Return the type of an attribute by position.
+ *
+ * @return The type.
+ * @see org.xml.sax.AttributeList#getType(int)
+ */
+ public String getType (int i)
+ {
+ return attributes.getType(i);
+ }
+
+
+ /**
+ * Return the value of an attribute by position.
+ *
+ * @return The value.
+ * @see org.xml.sax.AttributeList#getValue(int)
+ */
+ public String getValue (int i)
+ {
+ return attributes.getValue(i);
+ }
+
+
+ /**
+ * Return the type of an attribute by qualified (prefixed) name.
+ *
+ * @return The type.
+ * @see org.xml.sax.AttributeList#getType(java.lang.String)
+ */
+ public String getType (String qName)
+ {
+ return attributes.getType(qName);
+ }
+
+
+ /**
+ * Return the value of an attribute by qualified (prefixed) name.
+ *
+ * @return The value.
+ * @see org.xml.sax.AttributeList#getValue(java.lang.String)
+ */
+ public String getValue (String qName)
+ {
+ return attributes.getValue(qName);
+ }
+
+ private Attributes attributes;
+ }
+
+}
+
+// end of XMLReaderAdapter.java
diff --git a/libjava/org/xml/sax/helpers/XMLReaderFactory.java b/libjava/org/xml/sax/helpers/XMLReaderFactory.java new file mode 100644 index 00000000000..9443b27dcca --- /dev/null +++ b/libjava/org/xml/sax/helpers/XMLReaderFactory.java @@ -0,0 +1,136 @@ +// XMLReaderFactory.java - factory for creating a new reader.
+// Written by David Megginson, sax@megginson.com
+// NO WARRANTY! This class is in the Public Domain.
+
+// $Id: XMLReaderFactory.java,v 1.1 2000/10/02 02:43:20 sboag Exp $
+
+package org.xml.sax.helpers;
+import org.xml.sax.Parser;
+import org.xml.sax.XMLReader;
+import org.xml.sax.SAXException;
+
+
+/**
+ * Factory for creating an XML reader.
+ *
+ * <blockquote>
+ * <em>This module, both source code and documentation, is in the
+ * Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
+ * </blockquote>
+ *
+ * <p>This class contains static methods for creating an XML reader
+ * from an explicit class name, or for creating an XML reader based
+ * on the value of the <code>org.xml.sax.driver</code> system
+ * property:</p>
+ *
+ * <pre>
+ * try {
+ * XMLReader myReader = XMLReaderFactory.createXMLReader();
+ * } catch (SAXException e) {
+ * System.err.println(e.getMessage());
+ * }
+ * </pre>
+ *
+ * <p>Note that these methods will not be usable in environments where
+ * system properties are not accessible or where the application or
+ * applet is not permitted to load classes dynamically.</p>
+ *
+ * <p><strong>Note to implementors:</strong> SAX implementations in specialized
+ * environments may replace this class with a different one optimized for the
+ * environment, as long as its method signatures remain the same.</p>
+ *
+ * @since SAX 2.0
+ * @author David Megginson,
+ * <a href="mailto:sax@megginson.com">sax@megginson.com</a>
+ * @version 2.0
+ * @see org.xml.sax.XMLReader
+ */
+final public class XMLReaderFactory
+{
+
+ /**
+ * Private constructor.
+ *
+ * <p>This constructor prevents the class from being instantiated.</p>
+ */
+ private XMLReaderFactory ()
+ {
+ }
+
+
+ /**
+ * Attempt to create an XML reader from a system property.
+ *
+ * <p>This method uses the value of the system property
+ * "org.xml.sax.driver" as the full name of a Java class
+ * and tries to instantiate that class as a SAX2
+ * XMLReader.</p>
+ *
+ * <p>Note that many Java interpreters allow system properties
+ * to be specified on the command line.</p>
+ *
+ * @return A new XMLReader.
+ * @exception org.xml.sax.SAXException If the value of the
+ * "org.xml.sax.driver" system property is null,
+ * or if the class cannot be loaded and instantiated.
+ * @see #createXMLReader(java.lang.String)
+ */
+ public static XMLReader createXMLReader ()
+ throws SAXException
+ {
+ String className = System.getProperty("org.xml.sax.driver");
+ if (className == null) {
+ Parser parser;
+ try {
+ parser = ParserFactory.makeParser();
+ } catch (Exception e) {
+ parser = null;
+ }
+ if (parser == null) {
+ throw new
+ SAXException("System property org.xml.sax.driver not specified");
+ } else {
+ return new ParserAdapter(parser);
+ }
+ } else {
+ return createXMLReader(className);
+ }
+ }
+
+
+ /**
+ * Attempt to create an XML reader from a class name.
+ *
+ * <p>Given a class name, this method attempts to load
+ * and instantiate the class as an XML reader.</p>
+ *
+ * @return A new XML reader.
+ * @exception org.xml.sax.SAXException If the class cannot be
+ * loaded, instantiated, and cast to XMLReader.
+ * @see #createXMLReader()
+ */
+ public static XMLReader createXMLReader (String className)
+ throws SAXException
+ {
+ try {
+ return (XMLReader)(Class.forName(className).newInstance());
+ } catch (ClassNotFoundException e1) {
+ throw new SAXException("SAX2 driver class " + className +
+ " not found", e1);
+ } catch (IllegalAccessException e2) {
+ throw new SAXException("SAX2 driver class " + className +
+ " found but cannot be loaded", e2);
+ } catch (InstantiationException e3) {
+ throw new SAXException("SAX2 driver class " + className +
+ " loaded but cannot be instantiated (no empty public constructor?)",
+ e3);
+ } catch (ClassCastException e4) {
+ throw new SAXException("SAX2 driver class " + className +
+ " does not implement XMLReader", e4);
+ }
+
+ }
+
+}
+
+// end of XMLReaderFactory.java
|
