diff options
Diffstat (limited to 'libjava/classpath/gnu/CORBA/ObjectCreator.java')
| -rw-r--r-- | libjava/classpath/gnu/CORBA/ObjectCreator.java | 195 |
1 files changed, 147 insertions, 48 deletions
diff --git a/libjava/classpath/gnu/CORBA/ObjectCreator.java b/libjava/classpath/gnu/CORBA/ObjectCreator.java index b99c46ba63f..81c1d06e775 100644 --- a/libjava/classpath/gnu/CORBA/ObjectCreator.java +++ b/libjava/classpath/gnu/CORBA/ObjectCreator.java @@ -1,4 +1,4 @@ -/* ExceptionCreator.java -- +/* ObjectCreator.java -- Copyright (C) 2005 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -38,10 +38,15 @@ exception statement from your version. */ package gnu.CORBA; +import gnu.CORBA.CDR.cdrBufOutput; + +import org.omg.CORBA.Any; import org.omg.CORBA.CompletionStatus; import org.omg.CORBA.CompletionStatusHelper; import org.omg.CORBA.MARSHAL; +import org.omg.CORBA.StructMember; import org.omg.CORBA.SystemException; +import org.omg.CORBA.TCKind; import org.omg.CORBA.UNKNOWN; import org.omg.CORBA.UserException; import org.omg.CORBA.portable.InputStream; @@ -51,9 +56,8 @@ import java.lang.reflect.Constructor; import java.lang.reflect.Method; /** - * Creates java objects from the agreed IDL names for the simple - * case when the CORBA object is directly mapped into the locally - * defined java class. + * Creates java objects from the agreed IDL names for the simple case when the + * CORBA object is directly mapped into the locally defined java class. * * @author Audrius Meskauskas (AudriusA@Bioinformatics.org) */ @@ -70,20 +74,17 @@ public class ObjectCreator public static final String JAVA_PREFIX = "org.omg."; /** - * The prefix for classes that are placed instide the - * gnu.CORBA namespace. + * The prefix for classes that are placed instide the gnu.CORBA namespace. */ public static final String CLASSPATH_PREFIX = "gnu.CORBA."; /** - * Try to instantiate an object with the given IDL name. - * The object must be mapped to the local java class. - * The omg.org domain must be mapped into the object in either - * org/omg or gnu/CORBA namespace. + * Try to instantiate an object with the given IDL name. The object must be + * mapped to the local java class. The omg.org domain must be mapped into the + * object in either org/omg or gnu/CORBA namespace. * * @param IDL name - * @return instantiated object instance or null if no such - * available. + * @return instantiated object instance or null if no such available. */ public static java.lang.Object createObject(String idl, String suffix) { @@ -109,16 +110,15 @@ public class ObjectCreator /** * Create the system exception with the given idl name. * - * @param idl the exception IDL name, must match the syntax - * "IDL:<class/name>:1.0". + * @param idl the exception IDL name, must match the syntax "IDL:<class/name>:1.0". * @param minor the exception minor code. * @param completed the exception completion status. * * @return the created exception. */ public static SystemException createSystemException(String idl, int minor, - CompletionStatus completed - ) + CompletionStatus completed + ) { try { @@ -127,20 +127,18 @@ public class ObjectCreator Constructor constructor = exClass.getConstructor(new Class[] - { - String.class, int.class, - CompletionStatus.class - } - ); + { + String.class, int.class, CompletionStatus.class + } + ); Object exception = constructor.newInstance(new Object[] - { - " Remote exception " + idl + ", minor " + - minor + ", " + completed + ".", - new Integer(minor), completed - } - ); + { + " Remote exception " + idl + ", minor " + minor + ", " + + completed + ".", new Integer(minor), completed + } + ); return (SystemException) exception; } @@ -153,9 +151,10 @@ public class ObjectCreator /** * Read the system exception from the given stream. + * * @param input the CDR stream to read from. - * @return the exception that has been stored in the stream - * (IDL name, minor code and completion status). + * @return the exception that has been stored in the stream (IDL name, minor + * code and completion status). */ public static SystemException readSystemException(InputStream input) { @@ -170,8 +169,8 @@ public class ObjectCreator } /** - * Reads the user exception, having the given Id, from the - * input stream. The id is expected to be in the form like + * Reads the user exception, having the given Id, from the input stream. The + * id is expected to be in the form like * 'IDL:test/org/omg/CORBA/ORB/communication/ourUserException:1.0' * * @param idl the exception idl name. @@ -189,11 +188,8 @@ public class ObjectCreator Method read = helperClass.getMethod("read", - new Class[] - { - org.omg.CORBA.portable.InputStream.class - } - ); + new Class[] { org.omg.CORBA.portable.InputStream.class } + ); return (UserException) read.invoke(null, new Object[] { input }); } @@ -236,8 +232,8 @@ public class ObjectCreator * @param ex an exception to write. */ public static void writeSystemException(OutputStream output, - SystemException ex - ) + SystemException ex + ) { String exIDL = toIDL(ex.getClass().getName()); output.write_string(exIDL); @@ -266,14 +262,14 @@ public class ObjectCreator } /** - * Converts the given IDL name to class name and tries to load the - * matching class. The OMG prefix (omg.org) is replaced by - * the java prefix org.omg. No other prefixes are added. + * Converts the given IDL name to class name and tries to load the matching + * class. The OMG prefix (omg.org) is replaced by the java prefix org.omg. No + * other prefixes are added. * * @param IDL the idl name. * - * TODO Cache the returned classes, avoiding these string manipulations - * each time the conversion is required. + * TODO Cache the returned classes, avoiding these string manipulations each + * time the conversion is required. * * @return the matching class or null if no such is available. */ @@ -301,10 +297,10 @@ public class ObjectCreator } /** - * Converts the given IDL name to class name, tries to load the - * matching class and create an object instance with parameterless - * constructor. The OMG prefix (omg.org) is replaced by - * the java prefix org.omg. No other prefixes are added. + * Converts the given IDL name to class name, tries to load the matching class + * and create an object instance with parameterless constructor. The OMG + * prefix (omg.org) is replaced by the java prefix org.omg. No other prefixes + * are added. * * @param IDL the idl name. * @@ -341,8 +337,111 @@ public class ObjectCreator cn = OMG_PREFIX + cn.substring(JAVA_PREFIX.length()).replace('.', '/'); else if (cn.startsWith(CLASSPATH_PREFIX)) cn = - OMG_PREFIX + cn.substring(CLASSPATH_PREFIX.length()).replace('.', '/'); + OMG_PREFIX + + cn.substring(CLASSPATH_PREFIX.length()).replace('.', '/'); return "IDL:" + cn + ":1.0"; } + + /** + * Insert the passed parameter into the given Any, assuming that the helper + * class is available. The helper class must have the "Helper" suffix and be + * in the same package as the class of the object being inserted. + * + * @param into the target to insert. + * + * @param object the object to insert. It can be any object as far as the + * corresponding helper is provided. + * + * @return true on success, false otherwise. + */ + public static boolean insertWithHelper(Any into, Object object) + { + try + { + String helperClassName = object.getClass().getName() + "Helper"; + Class helperClass = Class.forName(helperClassName); + + Method insert = + helperClass.getMethod("insert", + new Class[] { Any.class, object.getClass() } + ); + + insert.invoke(null, new Object[] { into, object }); + + return true; + } + catch (Exception exc) + { + // Failed due some reason. + return false; + } + } + + /** + * Insert the system exception into the given Any. + */ + public static boolean insertSysException(Any into, SystemException exception) + { + try + { + cdrBufOutput output = new cdrBufOutput(); + + String m_exception_id = toIDL(exception.getClass().getName()); + output.write_string(m_exception_id); + output.write_ulong(exception.minor); + CompletionStatusHelper.write(output, exception.completed); + + String name = getDefaultName(m_exception_id); + + universalHolder h = new universalHolder(output); + + into.insert_Streamable(h); + + recordTypeCode r = new recordTypeCode(TCKind.tk_except); + r.setId(m_exception_id); + r.setName(name); + into.type(r); + + return true; + } + catch (Exception ex) + { + ex.printStackTrace(); + return false; + } + } + + /** + * Get the type name from the IDL string. + */ + public static String getDefaultName(String idl) + { + int f1 = idl.lastIndexOf("/"); + int p1 = (f1 < 0) ? 0 : f1; + int p2 = idl.indexOf(":", p1); + if (p2 < 0) + p2 = idl.length(); + + String name = idl.substring(f1 + 1, p2); + return name; + } + + /** + * Insert this exception into the given Any. On failure, insert the UNKNOWN + * exception. + */ + public static void insertException(Any into, Throwable exception) + { + boolean ok = false; + if (exception instanceof SystemException) + ok = insertSysException(into, (SystemException) exception); + else if (exception instanceof UserException) + ok = insertWithHelper(into, exception); + + if (!ok) + ok = insertSysException(into, new UNKNOWN()); + if (!ok) + throw new InternalError("Exception wrapping broken"); + } }
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