001 /** 002 * 003 * Copyright 2004 Protique Ltd 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * 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 **/ 018 019 package org.activemq.message; 020 021 import java.io.DataInput; 022 import java.io.IOException; 023 import java.io.DataOutput; 024 025 /** 026 * Sent in receipt of a Packet 027 */ 028 029 public class CachedValue extends AbstractPacket implements BodyPacket { 030 031 private Object value; 032 033 034 /** 035 * Return the type of Packet 036 * 037 * @return integer representation of the type of Packet 038 */ 039 040 public int getPacketType() { 041 return CACHED_VALUE_COMMAND; 042 } 043 044 045 /** 046 * @return pretty print of a CachedValue 047 */ 048 public String toString() { 049 return super.toString() + " CachedValue{ " + 050 "value = " + value + 051 " }"; 052 } 053 /** 054 * @return Returns the value. 055 */ 056 public Object getValue() { 057 return value; 058 } 059 060 /** 061 * @param value The value to set. 062 */ 063 public void setValue(Object value) { 064 this.value = value; 065 } 066 067 public void writeBody(DataOutput dataOut) throws IOException { 068 String text = ""; 069 if (value != null) { 070 text = value.toString(); 071 } 072 dataOut.writeUTF(text); 073 } 074 075 public void readBody(DataInput dataIn) throws IOException { 076 setValue(dataIn.readUTF()); 077 } 078 }