Java Object Deep Clone deepClone(final T objectToBeClonned)

Description

deep Clone

License

Apache License

Parameter

Parameter	Description
objectToBeClonned	from which a new object will be cloned. null will be returned for null value.

Exception

Parameter	Description
CloneNotSupportedException	an exception

Return

the newly cloned object or null if objectToBeClonned is null.

Declaration

@SuppressWarnings("unchecked")
public static <T> T deepClone(final T objectToBeClonned) throws CloneNotSupportedException 

Method Source Code

//package com.java2s;
/*/*from  w w  w  .j  a  v  a 2  s.  com*/
 * Copyright 2014-2016 Web Firm Framework
 *
 * 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.
 * @author WFF
 */

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.NotSerializableException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

public class Main {
    /**
     * @param objectToBeClonned
     *            from which a new object will be cloned. {@code null} will be
     *            returned for null value.
     * @return the newly cloned object or {@cod null} if
     *         {@code objectToBeClonned} is null.
     * @throws CloneNotSupportedException
     * @since 1.0.0
     * @author WFF
     */
    @SuppressWarnings("unchecked")
    public static <T> T deepClone(final T objectToBeClonned) throws CloneNotSupportedException {
        if (objectToBeClonned == null) {
            return null;
        }
        ObjectOutputStream oos = null;
        ObjectInputStream ois = null;
        try {
            final ByteArrayOutputStream bos = new ByteArrayOutputStream();
            oos = new ObjectOutputStream(bos);

            oos.writeObject(objectToBeClonned);
            oos.flush();

            final ByteArrayInputStream bin = new ByteArrayInputStream(bos.toByteArray());
            ois = new ObjectInputStream(bin);

            return (T) ois.readObject();
        } catch (final NotSerializableException e) {
            throw new CloneNotSupportedException(
                    e.getMessage() + " is not serializable. Implement java.io.Serializable in " + e.getMessage());
        } catch (final Exception e) {
            throw new CloneNotSupportedException(e.getMessage());
        } finally {
            try {
                if (oos != null) {
                    oos.close();
                }
                if (ois != null) {
                    ois.close();
                }
            } catch (final IOException e) {
                e.printStackTrace();
            }
        }
    }
}

Related

1. deepClone(final E object)
2. deepClone(Object obj)
3. deepClone(Object objToClone)
4. deepClone(Object src)
5. deepClone(Object src)