com.sun.faces.util.copier.CopyCtorCopier Maven / Gradle / Ivy
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/*
* Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.faces.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 2.3
* @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);
}
}
}