001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.commons.collections.collection;
018
019 import java.io.IOException;
020 import java.io.ObjectInputStream;
021 import java.io.ObjectOutputStream;
022 import java.io.Serializable;
023 import java.util.Collection;
024
025 /**
026 * Serializable subclass of AbstractCollectionDecorator.
027 *
028 * @author Stephen Colebourne
029 * @since Commons Collections 3.1
030 */
031 public abstract class AbstractSerializableCollectionDecorator
032 extends AbstractCollectionDecorator
033 implements Serializable {
034
035 /** Serialization version */
036 private static final long serialVersionUID = 6249888059822088500L;
037
038 /**
039 * Constructor.
040 */
041 protected AbstractSerializableCollectionDecorator(Collection coll) {
042 super(coll);
043 }
044
045 //-----------------------------------------------------------------------
046 /**
047 * Write the collection out using a custom routine.
048 *
049 * @param out the output stream
050 * @throws IOException
051 */
052 private void writeObject(ObjectOutputStream out) throws IOException {
053 out.defaultWriteObject();
054 out.writeObject(collection);
055 }
056
057 /**
058 * Read the collection in using a custom routine.
059 *
060 * @param in the input stream
061 * @throws IOException
062 * @throws ClassNotFoundException
063 */
064 private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
065 in.defaultReadObject();
066 collection = (Collection) in.readObject();
067 }
068
069 }