/*
* JBoss, Home of Professional Open Source
* Copyright 2009 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.infinispan.marshall;
import com.thoughtworks.xstream.XStream;
import org.infinispan.io.ByteBuffer;
import org.infinispan.io.ExposedByteArrayOutputStream;
import org.infinispan.util.Util;
import java.io.*;
/**
* A dummy marshaller impl that uses object streams converted via XStream as current JBoss Marshalling implementation
* requires that the objects being serialized/deserialized implement Serializable or Externalizable.
*
* @author Manik Surtani
*/
public class TestObjectStreamMarshaller extends AbstractMarshaller implements StreamingMarshaller {
XStream xs = new XStream();
boolean debugXml = false;
public TestObjectStreamMarshaller(boolean debugXml) {
this.debugXml = debugXml;
}
public TestObjectStreamMarshaller() {
}
@Override
public ObjectOutput startObjectOutput(OutputStream os, boolean isReentrant, int expectedByteSize) throws IOException {
return new ObjectOutputStream(os);
}
@Override @Deprecated
public ObjectOutput startObjectOutput(OutputStream os, boolean isReentrant) throws IOException {
throw new IllegalStateException("Should not invoke deprecated method anymore");
}
@Override
public void finishObjectOutput(ObjectOutput oo) {
Util.flushAndCloseOutput(oo);
}
@Override
public void objectToObjectStream(Object obj, ObjectOutput out) throws IOException {
String xml = xs.toXML(obj);
debug("Writing: \n" + xml);
out.writeObject(xml);
}
@Override
public Object objectFromObjectStream(ObjectInput in) throws IOException, ClassNotFoundException {
String xml = (String) in.readObject();
debug("Reading: \n" + xml);
return xs.fromXML(xml);
}
@Override
public ObjectInput startObjectInput(InputStream is, boolean isReentrant) throws IOException {
return new ObjectInputStream(is);
}
@Override
public void finishObjectInput(ObjectInput oi) {
if (oi != null) {
try {
oi.close();
} catch (IOException e) {
}
}
}
@Override
protected ByteBuffer objectToBuffer(Object o, int estimatedSize) throws IOException {
ExposedByteArrayOutputStream baos = new ExposedByteArrayOutputStream(estimatedSize);
ObjectOutputStream oos = new ObjectOutputStream(baos);
objectToObjectStream(o, oos);
oos.flush();
oos.close();
baos.close();
byte[] b = baos.toByteArray();
return new ByteBuffer(b, 0, b.length);
}
@Override
public Object objectFromByteBuffer(byte[] buf, int offset, int length) throws IOException, ClassNotFoundException {
return objectFromObjectStream(new ObjectInputStream(new ByteArrayInputStream(buf, offset, length)));
}
@Override
public boolean isMarshallable(Object o) {
return (o instanceof Serializable || o instanceof Externalizable);
}
private void debug(String s) {
if (debugXml) {
System.out.println("TestObjectStreamMarshaller: " + s);
}
}
@Override
public void stop() {
//No-op
}
@Override
public void start() {
//No-op
}
}