/**
* Copyright 2006-2009 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.objenesis.strategy;
import java.io.NotSerializableException;
import java.io.Serializable;
import org.objenesis.ObjenesisException;
import org.objenesis.instantiator.ObjectInstantiator;
import org.objenesis.instantiator.basic.ObjectStreamClassInstantiator;
import org.objenesis.instantiator.gcj.GCJSerializationInstantiator;
import org.objenesis.instantiator.perc.PercSerializationInstantiator;
import org.objenesis.instantiator.sun.Sun13SerializationInstantiator;
/**
* Guess the best serializing instantiator for a given class. The returned instantiator will
* instantiate classes like the genuine java serialization framework (the constructor of the first
* not serializable class will be called). Currently, the selection doesn't depend on the class. It
* relies on the
* <ul>
* <li>JVM version</li>
* <li>JVM vendor</li>
* <li>JVM vendor version</li>
* </ul>
* However, instantiators are stateful and so dedicated to their class.
*
* @author Henri Tremblay
* @see ObjectInstantiator
*/
public class SerializingInstantiatorStrategy extends BaseInstantiatorStrategy {
/**
* Return an {@link ObjectInstantiator} allowing to create instance following the java
* serialization framework specifications.
*
* @param type Class to instantiate
* @return The ObjectInstantiator for the class
*/
public ObjectInstantiator newInstantiatorOf(Class type) {
if(!Serializable.class.isAssignableFrom(type)) {
throw new ObjenesisException(new NotSerializableException(type+" not serializable"));
}
if(JVM_NAME.startsWith(SUN)) {
if(VM_VERSION.startsWith("1.3")) {
return new Sun13SerializationInstantiator(type);
}
}
else if(JVM_NAME.startsWith(GNU)) {
return new GCJSerializationInstantiator(type);
}
else if(JVM_NAME.startsWith(PERC)) {
return new PercSerializationInstantiator(type);
}
return new ObjectStreamClassInstantiator(type);
}
}