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Java > Open Source Codes > org > mr > core > protocol > DeadEndRecipient


1 /*
2  * Copyright 2002 by
3  * <a HREF="http://www.coridan.com">Coridan</a>
4  * <a HREF="mailto: support@coridan.com ">support@coridan.com</a>
5  *
6  * The contents of this file are subject to the Mozilla Public License Version
7  * 1.1 (the "License"); you may not use this file except in compliance with the
8  * License. You may obtain a copy of the License at
9  * http://www.mozilla.org/MPL/
10  *
11  * Software distributed under the License is distributed on an "AS IS" basis,
12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13  * for the specific language governing rights and limitations under the
14  * License.
15  *
16  * The Original Code is "MantaRay" (TM).
17  *
18  * The Initial Developer of the Original Code is Amir Shevat.
19  * Portions created by the Initial Developer are Copyright (C) 2006
20  * Coridan Inc. All Rights Reserved.
21  *
22  * Contributor(s): all the names of the contributors are added in the source
23  * code where applicable.
24  *
25  * Alternatively, the contents of this file may be used under the terms of the
26  * LGPL license (the "GNU LESSER GENERAL PUBLIC LICENSE"), in which case the
27  * provisions of LGPL are applicable instead of those above. If you wish to
28  * allow use of your version of this file only under the terms of the LGPL
29  * License and not to allow others to use your version of this file under
30  * the MPL, indicate your decision by deleting the provisions above and
31  * replace them with the notice and other provisions required by the LGPL.
32  * If you do not delete the provisions above, a recipient may use your version
33  * of this file under either the MPL or the GNU LESSER GENERAL PUBLIC LICENSE.
34  
35  *
36  * This library is free software; you can redistribute it and/or modify it
37  * under the terms of the MPL as stated above or under the terms of the GNU
38  * Lesser General Public License as published by the Free Software Foundation;
39  * either version 2.1 of the License, or any later version.
40  *
41  * This library is distributed in the hope that it will be useful, but WITHOUT
42  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
43  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
44  * License for more details.
45  */

46 package org.mr.core.protocol;
47
48 import java.io.IOException JavaDoc;
49 import java.util.HashMap JavaDoc;
50
51 import org.mr.MantaAgentConstants;
52 import org.mr.core.util.byteable.Byteable;
53 import org.mr.core.util.byteable.ByteableInputStream;
54 import org.mr.core.util.byteable.ByteableOutputStream;
55 import org.mr.core.util.byteable.ByteableRegistry;
56
57 /**
58  *
59  * a recipient object that will not send any messages back to you. a no ACK recipient type.
60  * good for setting as recipient for ACK messages.
61  * @author Amir Shevat
62  *
63  */

64 public class DeadEndRecipient implements RecipientAddress {
65     private String JavaDoc agentName;
66     private String JavaDoc domain;
67     private static HashMap JavaDoc deadEndRecipientMap = new HashMap JavaDoc();
68     
69     
70     private DeadEndRecipient(){};
71     
72     private DeadEndRecipient(String JavaDoc agentName , String JavaDoc domain){
73         this.agentName = agentName;
74         this.domain = domain;
75     }
76     
77     public static DeadEndRecipient createDeadEndRecipient(String JavaDoc agentName , String JavaDoc domain){
78         String JavaDoc globalName = agentName+domain;
79         DeadEndRecipient result = (DeadEndRecipient) deadEndRecipientMap.get(globalName);
80         if(result == null){
81             result = new DeadEndRecipient(agentName , domain);
82             deadEndRecipientMap.put(globalName , result);
83         }
84         
85         return result;
86     }
87     
88     public byte getAcknowledgeMode() {
89         return MantaAgentConstants.NO_ACK;
90     }
91
92     public String JavaDoc getAgentName() {
93         
94         return agentName;
95     }
96
97     public String JavaDoc getDomainName() {
98         return domain;
99     }
100
101     public String JavaDoc getByteableName() {
102         
103         return "DERecip";
104     }
105
106     public void toBytes(ByteableOutputStream out) throws IOException JavaDoc {
107         out.writeASCIIString(agentName);
108         out.writeASCIIString(domain);
109     }
110
111     public Byteable createInstance(ByteableInputStream in) throws IOException JavaDoc {
112         String JavaDoc agentName = in.readASCIIString();
113         String JavaDoc domain = in.readASCIIString();
114         return createDeadEndRecipient(agentName ,domain );
115     }
116
117     /* (non-Javadoc)
118      * @see org.mr.core.util.byteable.Byteable#registerToByteableRegistry()
119      */

120     public void registerToByteableRegistry() {
121         ByteableRegistry.registerByteableFactory(getByteableName() , this);
122         
123     }
124     
125     public static void register(){
126         DeadEndRecipient instance = new DeadEndRecipient();
127         instance.registerToByteableRegistry();
128     }
129
130     public String JavaDoc getId() {
131         return agentName;
132     }
133
134     public String JavaDoc toString() {
135         return "DeadEnd:" + agentName;
136     }
137 }
138
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