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javax.rmi.CORBA

Interface ValueHandler

Known Subinterfaces:
ValueHandlerMultiFormat
Known Implementing Classes:
ValueHandlerDelegateImpl
public interface ValueHandler
Serializes Java objects to and from CDR (GIOP) streams. The working instance of the value handler is returned by Util.createValueHandler() and can be altered by setting the system property "javax.rmi.CORBA.ValueHandlerClass" to the name of the alternative class that must implement ValueHandler.

Method Summary

String
getRMIRepositoryID(Class<T> clz)
Get CORBA repository Id for the given java class.
RunTime
getRunTimeCodeBase()
Returns the CodeBase for this ValueHandler.
boolean
isCustomMarshaled(Class<T> clz)
Indicates that the given class is responsible itself for writing its content to the stream.
Serializable
readValue(InputStream in, int offset, Class<T> clz, String repositoryID, RunTime sender)
Read value from the CORBA input stream in the case when the value is not Streamable or CustomMarshall'ed.
Serializable
writeReplace(Serializable value)
When the value provides the writeReplace method, the result of this method is written.
void
writeValue(OutputStream out, Serializable value)
Write value to CORBA output stream using java senmatics.

Method Details

getRMIRepositoryID

public String getRMIRepositoryID(Class<T> clz)
Get CORBA repository Id for the given java class. The syntax of the repository ID is the initial ?RMI:?, followed by the Java class name, followed by name, followed by a hash code string, followed optionally by a serialization version UID string. For Java identifiers that contain illegal OMG IDL identifier characters such as ?$?, any such illegal characters are replaced by ?\U? followed by the 4 hexadecimal characters (in upper case) representing the Unicode value.
Parameters:
clz - a class for that the repository Id is required.
Returns:
the class repository id.

getRunTimeCodeBase

public RunTime getRunTimeCodeBase()
Returns the CodeBase for this ValueHandler.
Returns:
the codebase.

isCustomMarshaled

public boolean isCustomMarshaled(Class<T> clz)
Indicates that the given class is responsible itself for writing its content to the stream. Such classes implement either Streamable (default marshalling, generated by IDL-to-java compiler) or CustomMarshal (the user-programmed marshalling).
Parameters:
clz - the class being checked.
Returns:
true if the class supports custom or default marshalling, false otherwise.

readValue

public Serializable readValue(InputStream in,
                              int offset,
                              Class<T> clz,
                              String repositoryID,
                              RunTime sender)
Read value from the CORBA input stream in the case when the value is not Streamable or CustomMarshall'ed. The fields of the class being written will be accessed using reflection.
Parameters:
in - a CORBA stream to read.
offset - the current position in the input stream.
clz - the type of value being read.
repositoryID - the repository Id of the value being read.
sender - the sending context that should provide data about the message originator.
Returns:
the object, extracted from the stream.

writeReplace

public Serializable writeReplace(Serializable value)
When the value provides the writeReplace method, the result of this method is written. Otherwise, the value itself is written.
Parameters:
value - the value that should be written to the stream.
Returns:
the value that will be actually written to the stream.

writeValue

public void writeValue(OutputStream out,
                       Serializable value)
Write value to CORBA output stream using java senmatics.
Parameters:
out - a stream to write into.
value - a java object to write.
ValueHandler.java -- Copyright (C) 2002, 2004, 2005 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.

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