CloneUtil.java

/**
 * The MIT License (MIT)
 * Copyright (c) 2013 OMG BPMN Model Interchange Working Group
 *
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 * 
 */

package org.omg.bpmn.miwg.util;

import java.lang.reflect.Field;

public class CloneUtil {
	@SuppressWarnings("rawtypes")
	public static Object clone(Object o) {
		Object clone = null;

		try {
			clone = o.getClass().newInstance();
		} catch (InstantiationException e) {
			e.printStackTrace();
		} catch (IllegalAccessException e) {
			e.printStackTrace();
		}

		// Walk up the superclass hierarchy
		for (Class obj = o.getClass(); !obj.equals(Object.class); obj = obj
				.getSuperclass()) {
			Field[] fields = obj.getDeclaredFields();
			for (int i = 0; i < fields.length; i++) {
				fields[i].setAccessible(true);
				try {
					// for each class/suerclass, copy all fields
					// from this object to the clone
					fields[i].set(clone, fields[i].get(o));
				} catch (IllegalArgumentException e) {
				} catch (IllegalAccessException e) {
				}
			}
		}
		return clone;
	}
}