org.objenesis.strategy.SerializingInstantiatorStrategy Maven / Gradle / Ivy
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.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
*
* - JVM version
* - JVM vendor
* - JVM vendor version
*
* However, instantiators are stateful and so dedicated to their class.
*
* @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);
}
return new ObjectStreamClassInstantiator(type);
}
}