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.set; 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 import java.util.Set; 025 026 /** 027 * Serializable subclass of AbstractSetDecorator. 028 * 029 * @author Stephen Colebourne 030 * @since Commons Collections 3.1 031 */ 032 public abstract class AbstractSerializableSetDecorator 033 extends AbstractSetDecorator 034 implements Serializable { 035 036 /** Serialization version */ 037 private static final long serialVersionUID = 1229469966212206107L; 038 039 /** 040 * Constructor. 041 */ 042 protected AbstractSerializableSetDecorator(Set set) { 043 super(set); 044 } 045 046 //----------------------------------------------------------------------- 047 /** 048 * Write the set out using a custom routine. 049 * 050 * @param out the output stream 051 * @throws IOException 052 */ 053 private void writeObject(ObjectOutputStream out) throws IOException { 054 out.defaultWriteObject(); 055 out.writeObject(collection); 056 } 057 058 /** 059 * Read the set in using a custom routine. 060 * 061 * @param in the input stream 062 * @throws IOException 063 * @throws ClassNotFoundException 064 */ 065 private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException { 066 in.defaultReadObject(); 067 collection = (Collection) in.readObject(); 068 } 069 070 }