-/* ExceptionCreator.java --
+/* ObjectCreator.java --
Copyright (C) 2005 Free Software Foundation, Inc.
This file is part of GNU Classpath.
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;
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)
*/
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)
{
/**
* 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
{
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;
}
/**
* 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)
{
}
/**
- * 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.
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 });
}
* @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);
}
/**
- * 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.
*/
}
/**
- * 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.
*
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");
+ }
}
\ No newline at end of file
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