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Diffstat (limited to 'libjava/gnu/xml/dom/DomDocument.java')
| -rw-r--r-- | libjava/gnu/xml/dom/DomDocument.java | 1387 |
1 files changed, 0 insertions, 1387 deletions
diff --git a/libjava/gnu/xml/dom/DomDocument.java b/libjava/gnu/xml/dom/DomDocument.java deleted file mode 100644 index ec422d1b4de..00000000000 --- a/libjava/gnu/xml/dom/DomDocument.java +++ /dev/null @@ -1,1387 +0,0 @@ -/* DomDocument.java -- - Copyright (C) 1999,2000,2001,2004 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - -package gnu.xml.dom; - -import java.util.Iterator; -import javax.xml.XMLConstants; - -import org.w3c.dom.Attr; -import org.w3c.dom.CDATASection; -import org.w3c.dom.Comment; -import org.w3c.dom.Document; -import org.w3c.dom.DocumentFragment; -import org.w3c.dom.DocumentType; -import org.w3c.dom.DOMConfiguration; -import org.w3c.dom.DOMImplementation; -import org.w3c.dom.DOMException; -import org.w3c.dom.Element; -import org.w3c.dom.Entity; -import org.w3c.dom.EntityReference; -import org.w3c.dom.NamedNodeMap; -import org.w3c.dom.Node; -import org.w3c.dom.Notation; -import org.w3c.dom.ProcessingInstruction; -import org.w3c.dom.Text; -import org.w3c.dom.UserDataHandler; -import org.w3c.dom.traversal.DocumentTraversal; -import org.w3c.dom.traversal.NodeFilter; -import org.w3c.dom.traversal.NodeIterator; -import org.w3c.dom.traversal.TreeWalker; -import org.w3c.dom.xpath.XPathEvaluator; -import org.w3c.dom.xpath.XPathException; -import org.w3c.dom.xpath.XPathExpression; -import org.w3c.dom.xpath.XPathNSResolver; - -/** - * <p> "Document" and "DocumentTraversal" implementation. - * - * <p> Note that when this checks names for legality, it uses an - * approximation of the XML rules, not the real ones. Specifically, - * it uses Unicode rules, with sufficient tweaks to pass a majority - * of basic XML conformance tests. (The huge XML character tables are - * hairy to implement.) - * - * @author David Brownell - * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a> - */ -public class DomDocument - extends DomNode - implements Document, DocumentTraversal, XPathEvaluator -{ - - private final DOMImplementation implementation; - private boolean checkingCharacters = true; - boolean checkingWellformedness = true; - - boolean building; // if true, skip mutation events in the tree - - DomDocumentConfiguration config; - - String inputEncoding; - String encoding; - String version = "1.0"; - boolean standalone; - String systemId; - - /** - * Constructs a Document node, associating it with an instance - * of the DomImpl class. - * - * <p> Note that this constructor disables character checking. - * It is normally used when connecting a DOM to an XML parser, - * and duplicating such checks is undesirable. When used for - * purposes other than connecting to a parser, you should - * re-enable that checking. - * - * @see #setCheckingCharacters - */ - public DomDocument() - { - this(new DomImpl()); - } - - /** - * Constructs a Document node, associating it with the specified - * implementation. This should only be used in conjunction with - * a specialized implementation; it will normally be called by - * that implementation. - * - * @see DomImpl - * @see #setCheckingCharacters - */ - protected DomDocument(DOMImplementation impl) - { - super(DOCUMENT_NODE, null); - implementation = impl; - } - - /** - * Sets the <code>building</code> flag. - * Mutation events in the document are not reported. - */ - public void setBuilding(boolean flag) - { - building = flag; - } - - /** - * Sets whether to check for document well-formedness. - * If true, an exception will be raised if a second doctype or root - * element node is added to the document. - */ - public void setCheckWellformedness(boolean flag) - { - checkingWellformedness = flag; - } - - /** - * <b>DOM L1</b> - * Returns the constant "#document". - */ - final public String getNodeName() - { - return "#document"; - } - - /** - * <b>DOM L1</b> - * Returns the document's root element, or null. - */ - final public Element getDocumentElement() - { - for (DomNode ctx = first; ctx != null; ctx = ctx.next) - { - if (ctx.nodeType == ELEMENT_NODE) - { - return (Element) ctx; - } - } - return null; - } - - /** - * <b>DOM L1</b> - * Returns the document's DocumentType, or null. - */ - final public DocumentType getDoctype() - { - for (DomNode ctx = first; ctx != null; ctx = ctx.next) - { - if (ctx.nodeType == DOCUMENT_TYPE_NODE) - { - return (DocumentType) ctx; - } - } - return null; - } - - /** - * <b>DOM L1</b> - * Returns the document's DOMImplementation. - */ - final public DOMImplementation getImplementation() - { - return implementation; - } - - /** - * <b>DOM L1 (relocated in DOM L2)</b> - * Returns the element with the specified "ID" attribute, or null. - * - * <p>Returns null unless {@link Consumer} was used to populate internal - * DTD declaration information, using package-private APIs. If that - * internal DTD information is available, the document may be searched for - * the element with that ID. - */ - public Element getElementById(String id) - { - DomDoctype doctype = (DomDoctype) getDoctype(); - - if (doctype == null || !doctype.hasIds() - || id == null || id.length() == 0) - { - return null; - } - - // yes, this is linear in size of document. - // it'd be easy enough to maintain a hashtable. - Node current = getDocumentElement(); - Node temp; - - if (current == null) - { - return null; - } - while (current != this) - { - // done? - if (current.getNodeType() == ELEMENT_NODE) - { - DomElement element = (DomElement) current; - DTDElementTypeInfo info = - doctype.getElementTypeInfo(current.getNodeName()); - if (info != null && - id.equals(element.getAttribute(info.idAttrName))) - { - return element; - } - else if (element.userIdAttrs != null) - { - for (Iterator i = element.userIdAttrs.iterator(); - i.hasNext(); ) - { - Node idAttr = (Node) i.next(); - if (id.equals(idAttr.getNodeValue())) - { - return element; - } - } - } - } - - // descend? - if (current.hasChildNodes()) - { - current = current.getFirstChild(); - continue; - } - - // lateral? - temp = current.getNextSibling(); - if (temp != null) - { - current = temp; - continue; - } - - // back up ... - do - { - temp = current.getParentNode(); - if (temp == null) - { - return null; - } - current = temp; - temp = current.getNextSibling(); - } - while (temp == null); - current = temp; - } - return null; - } - - private void checkNewChild(Node newChild) - { - if (newChild.getNodeType() == ELEMENT_NODE - && getDocumentElement() != null) - { - throw new DomDOMException(DOMException.HIERARCHY_REQUEST_ERR, - "document element already present: " + - getDocumentElement(), newChild, 0); - } - if (newChild.getNodeType() == DOCUMENT_TYPE_NODE - && getDoctype() != null) - { - throw new DomDOMException(DOMException.HIERARCHY_REQUEST_ERR, - "document type already present: " + - getDoctype(), newChild, 0); - } - } - - /** - * <b>DOM L1</b> - * Appends the specified node to this node's list of children, - * enforcing the constraints that there be only one root element - * and one document type child. - */ - public Node appendChild(Node newChild) - { - if (checkingWellformedness) - { - checkNewChild(newChild); - } - return super.appendChild(newChild); - } - - /** - * <b>DOM L1</b> - * Inserts the specified node in this node's list of children, - * enforcing the constraints that there be only one root element - * and one document type child. - */ - public Node insertBefore(Node newChild, Node refChild) - { - if (checkingWellformedness) - { - checkNewChild(newChild); - } - return super.insertBefore(newChild, refChild); - } - - /** - * <b>DOM L1</b> - * Replaces the specified node in this node's list of children, - * enforcing the constraints that there be only one root element - * and one document type child. - */ - public Node replaceChild(Node newChild, Node refChild) - { - if (checkingWellformedness && - ((newChild.getNodeType() == ELEMENT_NODE && - refChild.getNodeType() != ELEMENT_NODE) || - (newChild.getNodeType() == DOCUMENT_TYPE_NODE && - refChild.getNodeType() != DOCUMENT_TYPE_NODE))) - { - checkNewChild(newChild); - } - return super.replaceChild(newChild, refChild); - } - - // NOTE: DOM can't really tell when the name of an entity, - // notation, or PI must follow the namespace rules (excluding - // colons) instead of the XML rules (which allow them without - // much restriction). That's an API issue. verifyXmlName - // aims to enforce the XML rules, not the namespace rules. - - /** - * Throws a DOM exception if the specified name is not a legal XML 1.0 - * Name. - * @deprecated This method is deprecated and may be removed in future - * versions of GNU JAXP - */ - public static void verifyXmlName(String name) - { - // XXX why is this public? - checkName(name, false); - } - - static void checkName(String name, boolean xml11) - { - if (name == null) - { - throw new DomDOMException(DOMException.NAMESPACE_ERR, name, null, 0); - } - int len = name.length(); - if (len == 0) - { - throw new DomDOMException(DOMException.NAMESPACE_ERR, name, null, 0); - } - - // dog: rewritten to use the rules for XML 1.0 and 1.1 - - // Name start character - char c = name.charAt(0); - if (xml11) - { - // XML 1.1 - if ((c < 0x0041 || c > 0x005a) && - (c < 0x0061 || c > 0x007a) && - c != ':' && c != '_' && - (c < 0x00c0 || c > 0x00d6) && - (c < 0x00d8 || c > 0x00f6) && - (c < 0x00f8 || c > 0x02ff) && - (c < 0x0370 || c > 0x037d) && - (c < 0x037f || c > 0x1fff) && - (c < 0x200c || c > 0x200d) && - (c < 0x2070 || c > 0x218f) && - (c < 0x2c00 || c > 0x2fef) && - (c < 0x3001 || c > 0xd7ff) && - (c < 0xf900 || c > 0xfdcf) && - (c < 0xfdf0 || c > 0xfffd) && - (c < 0x10000 || c > 0xeffff)) - { - throw new DomDOMException(DOMException.INVALID_CHARACTER_ERR, - name, null, c); - } - } - else - { - // XML 1.0 - int type = Character.getType(c); - switch (type) - { - case Character.LOWERCASE_LETTER: // Ll - case Character.UPPERCASE_LETTER: // Lu - case Character.OTHER_LETTER: // Lo - case Character.TITLECASE_LETTER: // Lt - case Character.LETTER_NUMBER: // Nl - if ((c > 0xf900 && c < 0xfffe) || - (c >= 0x20dd && c <= 0x20e0)) - { - // Compatibility area and Unicode 2.0 exclusions - throw new DomDOMException(DOMException.INVALID_CHARACTER_ERR, - name, null, c); - } - break; - default: - if (c != ':' && c != '_' && (c < 0x02bb || c > 0x02c1) && - c != 0x0559 && c != 0x06e5 && c != 0x06e6) - { - throw new DomDOMException(DOMException.INVALID_CHARACTER_ERR, - name, null, c); - } - } - } - - // Subsequent characters - for (int i = 1; i < len; i++) - { - c = name.charAt(i); - if (xml11) - { - // XML 1.1 - if ((c < 0x0041 || c > 0x005a) && - (c < 0x0061 || c > 0x007a) && - (c < 0x0030 || c > 0x0039) && - c != ':' && c != '_' && c != '-' && c != '.' && - (c < 0x00c0 || c > 0x00d6) && - (c < 0x00d8 || c > 0x00f6) && - (c < 0x00f8 || c > 0x02ff) && - (c < 0x0370 || c > 0x037d) && - (c < 0x037f || c > 0x1fff) && - (c < 0x200c || c > 0x200d) && - (c < 0x2070 || c > 0x218f) && - (c < 0x2c00 || c > 0x2fef) && - (c < 0x3001 || c > 0xd7ff) && - (c < 0xf900 || c > 0xfdcf) && - (c < 0xfdf0 || c > 0xfffd) && - (c < 0x10000 || c > 0xeffff) && - c != 0x00b7 && - (c < 0x0300 || c > 0x036f) && - (c < 0x203f || c > 0x2040)) - { - throw new DomDOMException(DOMException.INVALID_CHARACTER_ERR, name, - null, c); - } - } - else - { - // XML 1.0 - int type = Character.getType(c); - switch (type) - { - case Character.LOWERCASE_LETTER: // Ll - case Character.UPPERCASE_LETTER: // Lu - case Character.DECIMAL_DIGIT_NUMBER: // Nd - case Character.OTHER_LETTER: // Lo - case Character.TITLECASE_LETTER: // Lt - case Character.LETTER_NUMBER: // Nl - case Character.COMBINING_SPACING_MARK: // Mc - case Character.ENCLOSING_MARK: // Me - case Character.NON_SPACING_MARK: // Mn - case Character.MODIFIER_LETTER: // Lm - if ((c > 0xf900 && c < 0xfffe) || - (c >= 0x20dd && c <= 0x20e0)) - { - // Compatibility area and Unicode 2.0 exclusions - throw new DomDOMException(DOMException.INVALID_CHARACTER_ERR, - name, null, c); - } - break; - default: - if (c != '-' && c != '.' && c != ':' && c != '_' && - c != 0x0387 && (c < 0x02bb || c > 0x02c1) && - c != 0x0559 && c != 0x06e5 && c != 0x06e6 && c != 0x00b7) - { - throw new DomDOMException(DOMException.INVALID_CHARACTER_ERR, - name, null, c); - } - } - } - } - - // FIXME characters with a font or compatibility decomposition (i.e. - // those with a "compatibility formatting tag" in field 5 of the - // database -- marked by field 5 beginning with a "<") are not allowed. - } - - // package private - static void checkNCName(String name, boolean xml11) - { - checkName(name, xml11); - int len = name.length(); - int index = name.indexOf(':'); - if (index != -1) - { - if (index == 0 || index == (len - 1) || - name.lastIndexOf(':') != index) - { - throw new DomDOMException(DOMException.NAMESPACE_ERR, - name, null, 0); - } - } - } - - // package private - static void checkChar(String value, boolean xml11) - { - char[] chars = value.toCharArray(); - checkChar(chars, 0, chars.length, xml11); - } - - static void checkChar(char[] buf, int off, int len, boolean xml11) - { - for (int i = 0; i < len; i++) - { - char c = buf[i]; - - // assume surrogate pairing checks out OK, for simplicity - if ((c >= 0x0020 && c <= 0xd7ff) || - (c == 0x000a || c == 0x000d || c == 0x0009) || - (c >= 0xe000 && c <= 0xfffd) || - (c >= 0x10000 && c <= 0x10ffff)) - { - continue; - } - if (xml11) - { - if ((c >= 0x0001 && c <= 0x001f) || - (c >= 0x007f && c <= 0x0084) || - (c >= 0x0086 && c <= 0x009f)) - { - continue; - } - } - throw new DomDOMException(DOMException.INVALID_CHARACTER_ERR, - new String(buf, off, len), null, c); - } - } - - /** - * <b>DOM L1</b> - * Returns a newly created element with the specified name. - */ - public Element createElement(String name) - { - Element element; - - if (checkingCharacters) - { - checkName(name, "1.1".equals(version)); - } - if (name.startsWith("xml:")) - { - element = createElementNS(null, name); - } - else - { - element = new DomElement(this, null, name); - } - defaultAttributes(element, name); - return element; - } - - /** - * <b>DOM L2</b> - * Returns a newly created element with the specified name - * and namespace information. - */ - public Element createElementNS(String namespaceURI, String name) - { - if (checkingCharacters) - { - checkNCName(name, "1.1".equals(version)); - } - - if ("".equals(namespaceURI)) - { - namespaceURI = null; - } - if (name.startsWith("xml:")) - { - if (namespaceURI != null - && !XMLConstants.XML_NS_URI.equals(namespaceURI)) - { - throw new DomDOMException(DOMException.NAMESPACE_ERR, - "xml namespace is always " + - XMLConstants.XML_NS_URI, this, 0); - } - namespaceURI = XMLConstants.XML_NS_URI; - } - else if (XMLConstants.XMLNS_ATTRIBUTE.equals(name) || - name.startsWith("xmlns:")) - { - throw new DomDOMException(DOMException.NAMESPACE_ERR, - "xmlns is reserved", this, 0); - } - else if (namespaceURI == null && name.indexOf(':') != -1) - { - throw new DomDOMException(DOMException.NAMESPACE_ERR, - "prefixed name '" + name + - "' needs a URI", this, 0); - } - - Element element = new DomElement(this, namespaceURI, name); - defaultAttributes(element, name); - return element; - } - - private void defaultAttributes(Element element, String name) - { - DomDoctype doctype = (DomDoctype) getDoctype(); - if (doctype == null) - { - return; - } - - // default any attributes that need it - DTDElementTypeInfo info = doctype.getElementTypeInfo(name); - if (info != null) - { - for (Iterator i = info.attributes(); i != null && i.hasNext(); ) - { - DTDAttributeTypeInfo attr = (DTDAttributeTypeInfo) i.next(); - DomAttr node = (DomAttr) createAttribute(attr.name); - - String value = attr.value; - if (value == null) - { - value = ""; - } - node.setValue(value); - node.setSpecified(false); - element.setAttributeNode(node); - } - } - } - - /** - * <b>DOM L1</b> - * Returns a newly created document fragment. - */ - public DocumentFragment createDocumentFragment() - { - return new DomDocumentFragment(this); - } - - /** - * <b>DOM L1</b> - * Returns a newly created text node with the specified value. - */ - public Text createTextNode(String value) - { - if (checkingCharacters) - { - checkChar(value, "1.1".equals(version)); - } - return new DomText(this, value); - } - - /** - * Returns a newly created text node with the specified value. - */ - public Text createTextNode(char[] buf, int off, int len) - { - if (checkingCharacters) - { - checkChar(buf, off, len, "1.1".equals(version)); - } - return new DomText(this, buf, off, len); - } - - /** - * <b>DOM L1</b> - * Returns a newly created comment node with the specified value. - */ - public Comment createComment(String value) - { - if (checkingCharacters) - { - checkChar(value, "1.1".equals(version)); - } - return new DomComment(this, value); - } - - /** - * <b>DOM L1</b> - * Returns a newly created CDATA section node with the specified value. - */ - public CDATASection createCDATASection(String value) - { - if (checkingCharacters) - { - checkChar(value, "1.1".equals(version)); - } - return new DomCDATASection(this, value); - } - - /** - * Returns a newly created CDATA section node with the specified value. - */ - public CDATASection createCDATASection(char[] buf, int off, int len) - { - if (checkingCharacters) - { - checkChar(buf, off, len, "1.1".equals(version)); - } - return new DomCDATASection(this, buf, off, len); - } - - /** - * <b>DOM L1</b> - * Returns a newly created processing instruction. - */ - public ProcessingInstruction createProcessingInstruction(String target, - String data) - { - if (checkingCharacters) - { - boolean xml11 = "1.1".equals(version); - checkName(target, xml11); - if ("xml".equalsIgnoreCase(target)) - { - throw new DomDOMException(DOMException.SYNTAX_ERR, - "illegal PI target name", - this, 0); - } - checkChar(data, xml11); - } - return new DomProcessingInstruction(this, target, data); - } - - /** - * <b>DOM L1</b> - * Returns a newly created attribute with the specified name. - */ - public Attr createAttribute(String name) - { - if (checkingCharacters) - { - checkName(name, "1.1".equals(version)); - } - if (name.startsWith("xml:")) - { - return createAttributeNS(XMLConstants.XML_NS_URI, name); - } - else if (XMLConstants.XMLNS_ATTRIBUTE.equals(name) || - name.startsWith("xmlns:")) - { - return createAttributeNS(XMLConstants.XMLNS_ATTRIBUTE_NS_URI, name); - } - else - { - return new DomAttr(this, null, name); - } - } - - /** - * <b>DOM L2</b> - * Returns a newly created attribute with the specified name - * and namespace information. - */ - public Attr createAttributeNS(String namespaceURI, String name) - { - if (checkingCharacters) - { - checkNCName(name, "1.1".equals(version)); - } - - if ("".equals(namespaceURI)) - { - namespaceURI = null; - } - if (name.startsWith ("xml:")) - { - if (namespaceURI == null) - { - namespaceURI = XMLConstants.XML_NS_URI; - } - else if (!XMLConstants.XML_NS_URI.equals(namespaceURI)) - { - throw new DomDOMException(DOMException.NAMESPACE_ERR, - "xml namespace is always " + - XMLConstants.XML_NS_URI, - this, 0); - } - } - else if (XMLConstants.XMLNS_ATTRIBUTE.equals(name) || - name.startsWith("xmlns:")) - { - if (namespaceURI == null) - { - namespaceURI = XMLConstants.XMLNS_ATTRIBUTE_NS_URI; - } - else if (!XMLConstants.XMLNS_ATTRIBUTE_NS_URI.equals(namespaceURI)) - { - throw new DomDOMException(DOMException.NAMESPACE_ERR, - "xmlns namespace must be " + - XMLConstants.XMLNS_ATTRIBUTE_NS_URI, - this, 0); - } - } - else if (namespaceURI == null && name.indexOf(':') != -1) - { - throw new DomDOMException(DOMException.NAMESPACE_ERR, - "prefixed name needs a URI: " + name, this, 0); - } - return new DomAttr(this, namespaceURI, name); - } - - /** - * <b>DOM L1</b> - * Returns a newly created reference to the specified entity. - * The caller should populate this with the appropriate children - * and then mark it as readonly. - * - * @see DomNode#makeReadonly - */ - public EntityReference createEntityReference(String name) - { - DomEntityReference ret = new DomEntityReference(this, name); - DocumentType doctype = getDoctype(); - if (doctype != null) - { - DomEntity ent = (DomEntity) doctype.getEntities().getNamedItem(name); - if (ent != null) - { - for (DomNode ctx = ent.first; ctx != null; ctx = ctx.next) - { - ret.appendChild(ctx.cloneNode(true)); - } - } - } - ret.makeReadonly(); - return ret; - } - - /** - * <b>DOM L2</b> - * Makes a copy of the specified node, with all nodes "owned" by - * this document and with children optionally copied. This type - * of standard utility has become, well, a standard utility. - * - * <p> Note that EntityReference nodes created through this method (either - * directly, or recursively) never have children, and that there is no - * portable way to associate them with such children. - * - * <p> Note also that there is no requirement that the specified node - * be associated with a different document. This differs from the - * <em>cloneNode</em> operation in that the node itself is not given - * an opportunity to participate, so that any information managed - * by node subclasses will be lost. - */ - public Node importNode(Node src, boolean deep) - { - Node dst = null; - switch (src.getNodeType()) - { - case TEXT_NODE: - dst = createTextNode(src.getNodeValue()); - break; - case CDATA_SECTION_NODE: - dst = createCDATASection(src.getNodeValue()); - break; - case COMMENT_NODE: - dst = createComment(src.getNodeValue()); - break; - case PROCESSING_INSTRUCTION_NODE: - dst = createProcessingInstruction(src.getNodeName(), - src.getNodeValue()); - break; - case NOTATION_NODE: - // NOTE: There's no standard way to create - // these, or add them to a doctype. Useless. - Notation notation = (Notation) src; - dst = new DomNotation(this, notation.getNodeName(), - notation.getPublicId(), - notation.getSystemId()); - break; - case ENTITY_NODE: - // NOTE: There's no standard way to create - // these, or add them to a doctype. Useless. - Entity entity = (Entity) src; - dst = new DomEntity(this, entity.getNodeName(), - entity.getPublicId(), - entity.getSystemId(), - entity.getNotationName()); - if (deep) - { - for (Node ctx = src.getFirstChild(); ctx != null; - ctx = ctx.getNextSibling()) - { - dst.appendChild(importNode(ctx, deep)); - } - } - break; - case ENTITY_REFERENCE_NODE: - dst = createEntityReference(src.getNodeName()); - break; - case DOCUMENT_FRAGMENT_NODE: - dst = new DomDocumentFragment(this); - if (deep) - { - for (Node ctx = src.getFirstChild(); ctx != null; - ctx = ctx.getNextSibling()) - { - dst.appendChild(importNode(ctx, deep)); - } - } - break; - case ATTRIBUTE_NODE: - String attr_nsuri = src.getNamespaceURI(); - if (attr_nsuri != null) - { - dst = createAttributeNS(attr_nsuri, src.getNodeName()); - } - else - { - dst = createAttribute(src.getNodeName()); - } - // this is _always_ done regardless of "deep" setting - for (Node ctx = src.getFirstChild(); ctx != null; - ctx = ctx.getNextSibling()) - { - dst.appendChild(importNode(ctx, false)); - } - break; - case ELEMENT_NODE: - String elem_nsuri = src.getNamespaceURI(); - if (elem_nsuri != null) - { - dst = createElementNS(elem_nsuri, src.getNodeName()); - } - else - { - dst = createElement(src.getNodeName()); - } - NamedNodeMap srcAttrs = src.getAttributes(); - NamedNodeMap dstAttrs = dst.getAttributes(); - int len = srcAttrs.getLength(); - for (int i = 0; i < len; i++) - { - Attr a = (Attr) srcAttrs.item(i); - Attr dflt; - - // maybe update defaulted attributes - dflt = (Attr) dstAttrs.getNamedItem(a.getNodeName()); - if (dflt != null) - { - String newval = a.getNodeValue(); - if (!dflt.getNodeValue().equals(newval) - || a.getSpecified () == true) - { - dflt.setNodeValue (newval); - } - continue; - } - - dstAttrs.setNamedItem((Attr) importNode(a, false)); - } - if (deep) - { - for (Node ctx = src.getFirstChild(); ctx != null; - ctx = ctx.getNextSibling()) - { - dst.appendChild(importNode(ctx, true)); - } - } - break; - // can't import document or doctype nodes - case DOCUMENT_NODE: - case DOCUMENT_TYPE_NODE: - // FALLTHROUGH - // can't import unrecognized or nonstandard nodes - default: - throw new DomDOMException(DOMException.NOT_SUPPORTED_ERR, null, src, 0); - } - - // FIXME cleanup a bit -- for deep copies, copy those - // children in one place, here (code sharing is healthy) - - if (src instanceof DomNode) - { - ((DomNode) src).notifyUserDataHandlers(UserDataHandler.NODE_IMPORTED, - src, dst); - } - return dst; - } - - /** - * <b>DOM L2 (Traversal)</b> - * Returns a newly created node iterator. Don't forget to detach - * this iterator when you're done using it! - * - * @see DomIterator - */ - public NodeIterator createNodeIterator(Node root, - int whatToShow, - NodeFilter filter, - boolean expandEntities) - { - return new DomNodeIterator(root, whatToShow, filter, expandEntities, - false); - } - - public TreeWalker createTreeWalker(Node root, - int whatToShow, - NodeFilter filter, - boolean expandEntities) - { - return new DomNodeIterator(root, whatToShow, filter, expandEntities, - true); - } - - // DOM Level 3 methods - - /** - * DOM L3 - */ - public String getInputEncoding() - { - return inputEncoding; - } - - public void setInputEncoding(String inputEncoding) - { - this.inputEncoding = inputEncoding; - } - - /** - * DOM L3 - */ - public String getXmlEncoding() - { - return encoding; - } - - public void setXmlEncoding(String encoding) - { - this.encoding = encoding; - } - - public boolean getXmlStandalone() - { - return standalone; - } - - public void setXmlStandalone(boolean xmlStandalone) - { - standalone = xmlStandalone; - } - - public String getXmlVersion() - { - return version; - } - - public void setXmlVersion(String xmlVersion) - { - if (xmlVersion == null) - { - xmlVersion = "1.0"; - } - if ("1.0".equals(xmlVersion) || - "1.1".equals(xmlVersion)) - { - version = xmlVersion; - } - else - { - throw new DomDOMException(DOMException.NOT_SUPPORTED_ERR); - } - } - - public boolean getStrictErrorChecking() - { - return checkingCharacters; - } - - public void setStrictErrorChecking(boolean strictErrorChecking) - { - checkingCharacters = strictErrorChecking; - } - - public String lookupPrefix(String namespaceURI) - { - Node root = getDocumentElement(); - return (root == null) ? null : root.lookupPrefix(namespaceURI); - } - - public boolean isDefaultNamespace(String namespaceURI) - { - Node root = getDocumentElement(); - return (root == null) ? false : root.isDefaultNamespace(namespaceURI); - } - - public String lookupNamespaceURI(String prefix) - { - Node root = getDocumentElement(); - return (root == null) ? null : root.lookupNamespaceURI(prefix); - } - - public String getBaseURI() - { - return getDocumentURI(); - /* - Node root = getDocumentElement(); - if (root != null) - { - NamedNodeMap attrs = root.getAttributes(); - Node xmlBase = attrs.getNamedItemNS(XMLConstants.XML_NS_URI, "base"); - if (xmlBase != null) - { - return xmlBase.getNodeValue(); - } - } - return systemId; - */ - } - - public String getDocumentURI() - { - return systemId; - } - - public void setDocumentURI(String documentURI) - { - systemId = documentURI; - } - - public Node adoptNode(Node source) - { - switch (source.getNodeType()) - { - case DOCUMENT_NODE: - case DOCUMENT_TYPE_NODE: - throw new DomDOMException(DOMException.NOT_SUPPORTED_ERR); - case ENTITY_NODE: - case NOTATION_NODE: - throw new DomDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR); - } - if (source instanceof DomNode) - { - DomNode src = (DomNode) source; - DomNode dst = src; - if (dst.parent != null) - { - dst = (DomNode) dst.cloneNode(true); - } - dst.setOwner(this); - src.notifyUserDataHandlers(UserDataHandler.NODE_ADOPTED, src, dst); - return dst; - } - return null; - } - - public DOMConfiguration getDomConfig() - { - if (config == null) - { - config = new DomDocumentConfiguration(); - } - return config; - } - - public void normalizeDocument() - { - boolean save = building; - building = true; - normalizeNode(this); - building = save; - } - - void normalizeNode(DomNode node) - { - node.normalize(); - if (config != null) - { - switch (node.nodeType) - { - case CDATA_SECTION_NODE: - if (!config.cdataSections) - { - // replace CDATA section with text node - Text text = createTextNode(node.getNodeValue()); - node.parent.insertBefore(text, node); - node.parent.removeChild(node); - // merge adjacent text nodes - String data = text.getWholeText(); - node = (DomNode) text.replaceWholeText(data); - } - else if (config.splitCdataSections) - { - String value = node.getNodeValue(); - int i = value.indexOf("]]>"); - while (i != -1) - { - Node node2 = createCDATASection(value.substring(0, i)); - node.parent.insertBefore(node2, node); - value = value.substring(i + 3); - node.setNodeValue(value); - i = value.indexOf("]]>"); - } - } - break; - case COMMENT_NODE: - if (!config.comments) - { - node.parent.removeChild(node); - } - break; - case TEXT_NODE: - if (!config.elementContentWhitespace && - ((Text) node).isElementContentWhitespace()) - { - node.parent.removeChild(node); - } - break; - case ENTITY_REFERENCE_NODE: - if (!config.entities) - { - for (DomNode ctx = node.first; ctx != null; ) - { - DomNode ctxNext = ctx.next; - node.parent.insertBefore(ctx, node); - ctx = ctxNext; - } - node.parent.removeChild(node); - } - break; - case ELEMENT_NODE: - if (!config.namespaceDeclarations) - { - DomNamedNodeMap attrs = - (DomNamedNodeMap) node.getAttributes(); - boolean aro = attrs.readonly; - attrs.readonly = false; // Ensure we can delete if necessary - int len = attrs.getLength(); - for (int i = 0; i < len; i++) - { - Node attr = attrs.item(i); - String namespace = attr.getNamespaceURI(); - if (XMLConstants.XMLNS_ATTRIBUTE_NS_URI.equals(namespace)) - { - attrs.removeNamedItemNS(namespace, - attr.getLocalName()); - i--; - len--; - } - } - attrs.readonly = aro; - } - break; - } - } - for (DomNode ctx = node.first; ctx != null; ) - { - DomNode ctxNext = ctx.next; - normalizeNode(ctx); - ctx = ctxNext; - } - } - - public Node renameNode(Node n, String namespaceURI, String qualifiedName) - throws DOMException - { - if (n instanceof DomNsNode) - { - DomNsNode src = (DomNsNode) n; - if (src == null) - { - throw new DomDOMException(DOMException.NOT_FOUND_ERR); - } - if (src.owner != this) - { - throw new DomDOMException(DOMException.WRONG_DOCUMENT_ERR, - null, src, 0); - } - boolean xml11 = "1.1".equals(version); - checkName(qualifiedName, xml11); - int ci = qualifiedName.indexOf(':'); - if ("".equals(namespaceURI)) - { - namespaceURI = null; - } - if (namespaceURI != null) - { - checkNCName(qualifiedName, xml11); - String prefix = (ci == -1) ? "" : - qualifiedName.substring(0, ci); - if (XMLConstants.XML_NS_PREFIX.equals(prefix) && - !XMLConstants.XML_NS_URI.equals(namespaceURI)) - { - throw new DomDOMException(DOMException.NAMESPACE_ERR, - "xml namespace must be " + - XMLConstants.XML_NS_URI, src, 0); - } - else if (src.nodeType == ATTRIBUTE_NODE && - (XMLConstants.XMLNS_ATTRIBUTE.equals(prefix) || - XMLConstants.XMLNS_ATTRIBUTE.equals(qualifiedName)) && - !XMLConstants.XMLNS_ATTRIBUTE_NS_URI.equals(namespaceURI)) - { - throw new DomDOMException(DOMException.NAMESPACE_ERR, - "xmlns namespace must be " + - XMLConstants.XMLNS_ATTRIBUTE_NS_URI, src, 0); - } - if (XMLConstants.XML_NS_URI.equals(namespaceURI) && - !XMLConstants.XML_NS_PREFIX.equals(prefix)) - { - throw new DomDOMException(DOMException.NAMESPACE_ERR, - "xml namespace must be " + - XMLConstants.XML_NS_URI, src, 0); - } - else if (src.nodeType == ATTRIBUTE_NODE && - XMLConstants.XMLNS_ATTRIBUTE_NS_URI.equals(namespaceURI) && - !(XMLConstants.XMLNS_ATTRIBUTE.equals(prefix) || - XMLConstants.XMLNS_ATTRIBUTE.equals(qualifiedName))) - { - throw new DomDOMException(DOMException.NAMESPACE_ERR, - "xmlns namespace must be " + - XMLConstants.XMLNS_ATTRIBUTE_NS_URI, src, 0); - } - - } - src.setNodeName(qualifiedName); - src.setNamespaceURI(namespaceURI); - src.notifyUserDataHandlers(UserDataHandler.NODE_RENAMED, src, src); - // TODO MutationNameEvents - // DOMElementNameChanged or DOMAttributeNameChanged - return src; - } - throw new DomDOMException(DOMException.NOT_SUPPORTED_ERR, null, n, 0); - } - - // -- XPathEvaluator -- - - public XPathExpression createExpression(String expression, - XPathNSResolver resolver) - throws XPathException, DOMException - { - return new DomXPathExpression(this, expression, resolver); - } - - public XPathNSResolver createNSResolver(Node nodeResolver) - { - return new DomXPathNSResolver(nodeResolver); - } - - public Object evaluate(String expression, - Node contextNode, - XPathNSResolver resolver, - short type, - Object result) - throws XPathException, DOMException - { - XPathExpression xpe = - new DomXPathExpression(this, expression, resolver); - return xpe.evaluate(contextNode, type, result); - } - -} - |
