org.springframework.sync.util.DeepCloneUtils.java Source code

Introduction

Here is the source code for org.springframework.sync.util.DeepCloneUtils.java

Source

/*
 * Copyright 2014 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.springframework.sync.util;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

import org.apache.commons.lang.SerializationUtils;

/**
 * Utility methods for deep cloning an object graph.
 * @author Craig Walls
 */
public class DeepCloneUtils {

    /**
     * Deep clones an object.
     * @param original a single, non-list object to be cloned
     * @param <T> the object's type
     * @return the cloned object
     */
    @SuppressWarnings("unchecked")
    public static <T> T deepClone(T original) {
        return (T) SerializationUtils.clone((Serializable) original);
    }

    /**
     * Deep clones a list.
     * @param original a list to be cloned
     * @param <T> the list's generic type
     * @return the cloned list
     */
    @SuppressWarnings("unchecked")
    public static <T> List<T> deepClone(List<T> original) {
        List<T> copy = new ArrayList<T>(original.size());
        for (T t : original) {
            copy.add((T) SerializationUtils.clone((Serializable) t));
        }
        return copy;
    }

}