/** | |
* Copyright 2006-2013 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.instantiator.gcj; | |
import java.io.IOException; | |
import java.io.ObjectInputStream; | |
import java.lang.reflect.Method; | |
import org.objenesis.ObjenesisException; | |
import org.objenesis.instantiator.ObjectInstantiator; | |
/** | |
* Base class for GCJ-based instantiators. It initializes reflection access to method | |
* ObjectInputStream.newObject, as well as creating a dummy ObjectInputStream to be used as the | |
* "this" argument for the method. | |
* | |
* @author Leonardo Mesquita | |
*/ | |
public abstract class GCJInstantiatorBase implements ObjectInstantiator { | |
static Method newObjectMethod = null; | |
static ObjectInputStream dummyStream; | |
private static class DummyStream extends ObjectInputStream { | |
public DummyStream() throws IOException { | |
} | |
} | |
private static void initialize() { | |
if(newObjectMethod == null) { | |
try { | |
newObjectMethod = ObjectInputStream.class.getDeclaredMethod("newObject", new Class[] { | |
Class.class, Class.class}); | |
newObjectMethod.setAccessible(true); | |
dummyStream = new DummyStream(); | |
} | |
catch(RuntimeException e) { | |
throw new ObjenesisException(e); | |
} | |
catch(NoSuchMethodException e) { | |
throw new ObjenesisException(e); | |
} | |
catch(IOException e) { | |
throw new ObjenesisException(e); | |
} | |
} | |
} | |
protected final Class type; | |
public GCJInstantiatorBase(Class type) { | |
this.type = type; | |
initialize(); | |
} | |
public abstract Object newInstance(); | |
} |