Creates a copy of an object via Java Serialization. - Java File Path IO

Java examples for File Path IO:Serialization

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Description

Creates a copy of an object via Java Serialization.

Demo Code

/*/*  w w w  . jav a 2  s. c  o m*/
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 com.java2s;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;

import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

public class Main {
    /**
     * Creates a copy of an object via Java Serialization.
     *
     * @param original The original object.
     * @return The copied object.
     */
    public static <T extends java.io.Serializable> T createCopySerializable(
            T original) throws IOException {
        if (original == null) {
            throw new IllegalArgumentException();
        }

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(baos);
        oos.writeObject(original);
        oos.close();
        baos.close();

        ByteArrayInputStream bais = new ByteArrayInputStream(
                baos.toByteArray());

        try (ObjectInputStream ois = new ObjectInputStream(bais)) {
            @SuppressWarnings("unchecked")
            T copy = (T) ois.readObject();
            return copy;
        } catch (ClassNotFoundException e) {
            throw new IOException(e);
        }
    }
}

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