org.omnifaces.util.copier.CopyCtorCopier Maven / Gradle / Ivy
/*
* Copyright 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
*
* https://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;
import java.lang.reflect.InvocationTargetException;
/**
* 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 (NoSuchMethodException | SecurityException | InstantiationException | IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
throw new IllegalStateException(e);
}
}
}