org.jboss.util.Conversion Maven / Gradle / Ivy
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/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file 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.jboss.util;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.IOException;
import org.jboss.util.stream.CustomObjectInputStreamWithClassloader;
import org.jboss.util.stream.CustomObjectOutputStream;
/**
* @author Francisco Reverbel
* @version $Revision: 81018 $
*/
public class Conversion
{
/**
* Receives an object and converts it into a byte array. Used to embed
* a JBoss oid into the "reference data" (object id) field of a CORBA
* reference.
*/
public static byte[] toByteArray(Object obj)
{
try {
ByteArrayOutputStream os = new ByteArrayOutputStream();
ObjectOutputStream oos = new CustomObjectOutputStream(os);
oos.writeObject(obj);
oos.flush();
byte[] a = os.toByteArray();
os.close();
return a;
}
catch (IOException ioe) {
throw new RuntimeException("Object id serialization error:\n" + ioe);
}
}
/**
* Receives a classloader and a byte array previously returned by a call to
* toByteArray and retrieves an object from it. Used to
* extract a JBoss oid from the "reference data" (object id) field of a
* CORBA reference.
*/
public static Object toObject(byte[] a, ClassLoader cl)
throws IOException, ClassNotFoundException
{
ByteArrayInputStream is = new ByteArrayInputStream(a);
ObjectInputStream ois =
new CustomObjectInputStreamWithClassloader(is, cl);
Object obj = ois.readObject();
is.close();
return obj;
}
/**
* Receives a byte array previously returned by a call to
* toByteArray and retrieves an object from it. Used to
* extract a JBoss oid from the "reference data" (object id) field of a
* CORBA reference.
*/
public static Object toObject(byte[] a)
throws IOException, ClassNotFoundException
{
return toObject(a, Thread.currentThread().getContextClassLoader());
}
}