/*
* Copyright (C) 2009 eXo Platform SAS.
*
* 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.exoplatform.commons.serialization;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.reflect.ParameterizedType;
import java.util.HashMap;
import java.util.Map;
import org.exoplatform.commons.serialization.api.factory.DefaultObjectFactory;
import org.exoplatform.commons.serialization.api.factory.ObjectFactory;
import org.exoplatform.commons.serialization.model.TypeDomain;
import org.exoplatform.commons.serialization.serial.ObjectReader;
import org.exoplatform.commons.serialization.serial.ObjectWriter;
/**
* @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
* @version $Revision$
*/
public class SerializationContext {
/** . */
private final TypeDomain typeDomain;
/** . */
private final Map<Class<?>, ObjectFactory<?>> factories;
public SerializationContext(TypeDomain typeDomain) {
HashMap<Class<?>, ObjectFactory<?>> factories = new HashMap<Class<?>, ObjectFactory<?>>();
factories.put(Object.class, new DefaultObjectFactory());
//
this.typeDomain = typeDomain;
this.factories = factories;
}
public <O> void addFactory(ObjectFactory<O> factory) {
// OK
Class<ObjectFactory<O>> factoryClass = (Class<ObjectFactory<O>>) factory.getClass();
//
ParameterizedType pt = (ParameterizedType) factoryClass.getGenericSuperclass();
// OK
Class<?> objectType = (Class<Object>) pt.getActualTypeArguments()[0];
//
factories.put(objectType, factory);
}
public TypeDomain getTypeDomain() {
return typeDomain;
}
public <O> ObjectFactory<? super O> getFactory(Class<O> type) {
// OK
ObjectFactory<O> factory = (ObjectFactory<O>) factories.get(type);
//
if (factory == null) {
return getFactory(type.getSuperclass());
}
//
return factory;
}
public <O> O clone(O o) throws IOException, ClassNotFoundException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectWriter writer = new ObjectWriter(this, baos);
writer.writeObject(o);
writer.close();
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
ObjectReader in = new ObjectReader(this, bais);
return (O) in.readObject();
}
public void write(Object o, OutputStream out) throws IOException {
ObjectWriter writer = new ObjectWriter(this, out);
writer.writeObject(o);
writer.flush();
}
public byte[] write(Object o) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectWriter writer = new ObjectWriter(this, baos);
writer.writeObject(o);
writer.close();
return baos.toByteArray();
}
public Object read(byte[] bytes) throws IOException, ClassNotFoundException {
ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
ObjectReader in = new ObjectReader(this, bais);
return in.readObject();
}
public Object read(InputStream in) throws IOException, ClassNotFoundException {
ObjectReader or = new ObjectReader(this, in);
return or.readObject();
}
}