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Java > Open Source Codes > org > mr > kernel > world > cmc > UpdateWorldModelerJMX


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 lital kasif.
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 /*
47  * Created on Sep 22, 2004
48  *
49  */

50 package org.mr.kernel.world.cmc;
51
52
53 import org.apache.commons.logging.Log;
54 import org.apache.commons.logging.LogFactory;
55
56 import javax.management.StandardMBean JavaDoc;
57 import javax.management.NotCompliantMBeanException JavaDoc;
58 import javax.management.MBeanInfo JavaDoc;
59 import javax.management.MBeanAttributeInfo JavaDoc;
60
61 /**
62  *
63  * updates the world modeler.
64  *
65  * @author lital kasif
66  */

67 public class UpdateWorldModelerJMX extends StandardMBean JavaDoc implements UpdateWorldModelerJMXMBean {
68     public Log log;
69     //constrator
70
public UpdateWorldModelerJMX()throws NotCompliantMBeanException JavaDoc {
71         super(UpdateWorldModelerJMXMBean.class);
72         log=LogFactory.getLog("UpdateWorldModelerJMX");
73     }
74
75     /**
76      * updates the world modeler.
77      * @param worldXML - a String of the new world modeler.
78    
79     public void setWorld(String worldXML){
80         FileWriter writer;
81         try{
82             WorldModeler oldWorld = MantaAgent.getInstance().getSingletonRepository().getWorldModeler();
83             long oldVer =oldWorld.getVersion();
84         
85             File oldFile = new File(WorldModelerLoader.WORLD_XML_FILE_LOCATION);
86         
87             File newFile = new File(WorldModelerLoader.WORLD_XML_FILE_LOCATION+".temp");
88             writer = new FileWriter(newFile);
89             writer.write(worldXML);
90             writer.flush();
91             writer.close();
92             WorldModeler newWorld = WorldModeler.getEmptyWorldModeler();
93             WorldModelerLoader.load(newFile ,newWorld );
94             newFile.delete();
95             long newVer = newWorld.getVersion();
96             if(newVer >= oldVer){
97                 WorldModelerLoader.updateWorld(oldWorld , newWorld);
98                 File fileBackUp =new File(WorldModelerLoader.WORLD_XML_FILE_LOCATION+oldVer);
99                 oldFile.renameTo(fileBackUp);
100                 newFile = new File(WorldModelerLoader.WORLD_XML_FILE_LOCATION);
101                 writer = new FileWriter(newFile);
102                 writer.write(worldXML);
103                 writer.flush();
104                 writer.close();
105             }
106         }catch(Exception e){
107             LogFactory.getLog("UpdateWorldModeler").error("cound not preform command ",e);
108         }
109     }//UpdateWorld()
110   */

111     protected String JavaDoc getDescription(MBeanInfo JavaDoc i_mBeanInfo) {
112         return "updates the world modeler";
113     }
114
115     protected String JavaDoc getDescription(MBeanAttributeInfo JavaDoc i_mBeanAttributeInfo) {
116         if (i_mBeanAttributeInfo.getName().equals("World"))
117             return "update the world modeler by entering the name of the new worldXML file.";
118         return "managed string";
119     }
120 }//UpdateWorldModelerJMX
121
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