org.omnifaces.util.copier.CopyCtorCopier Maven / Gradle / Ivy
/*
* Copyright 2014 OmniFaces.
*
* 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.omnifaces.util.copier;
import java.lang.reflect.Constructor;
/**
* Copier that copies an object using its copy constructor.
*
* A copy constructor is a constructor that takes an object of the same type as the object that's
* to be constructed. This constructor then initializes itself using the values of this other instance.
*
* @since 2.0
* @author Arjan Tijms
*
*/
public class CopyCtorCopier implements Copier {
@Override
public Object copy(Object object) {
try {
Constructor copyConstructor = object.getClass().getConstructor(object.getClass());
return copyConstructor.newInstance(object);
} catch (Exception e) {
throw new IllegalStateException(e);
}
}
}