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.buffer; 018 019 import org.apache.commons.collections.Buffer; 020 import org.apache.commons.collections.collection.AbstractCollectionDecorator; 021 022 /** 023 * Decorates another <code>Buffer</code> to provide additional behaviour. 024 * <p> 025 * Methods are forwarded directly to the decorated buffer. 026 * 027 * @since Commons Collections 3.0 028 * @version $Revision: 646777 $ $Date: 2008-04-10 13:33:15 +0100 (Thu, 10 Apr 2008) $ 029 * 030 * @author Stephen Colebourne 031 */ 032 public abstract class AbstractBufferDecorator extends AbstractCollectionDecorator implements Buffer { 033 034 /** 035 * Constructor only used in deserialization, do not use otherwise. 036 * @since Commons Collections 3.1 037 */ 038 protected AbstractBufferDecorator() { 039 super(); 040 } 041 042 /** 043 * Constructor that wraps (not copies). 044 * 045 * @param buffer the buffer to decorate, must not be null 046 * @throws IllegalArgumentException if list is null 047 */ 048 protected AbstractBufferDecorator(Buffer buffer) { 049 super(buffer); 050 } 051 052 /** 053 * Gets the buffer being decorated. 054 * 055 * @return the decorated buffer 056 */ 057 protected Buffer getBuffer() { 058 return (Buffer) getCollection(); 059 } 060 061 //----------------------------------------------------------------------- 062 public Object get() { 063 return getBuffer().get(); 064 } 065 066 public Object remove() { 067 return getBuffer().remove(); 068 } 069 070 }