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Java > Open Source Codes > org > jboss > mx > persistence > MBeanInfoOdb


1 /*
2 * JBoss, Home of Professional Open Source
3 * Copyright 2005, JBoss Inc., and individual contributors as indicated
4 * by the @authors tag. See the copyright.txt in the distribution for a
5 * full listing of individual contributors.
6 *
7 * This is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU Lesser General Public License as
9 * published by the Free Software Foundation; either version 2.1 of
10 * the License, or (at your option) any later version.
11 *
12 * This software is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this software; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21 */
22 package org.jboss.mx.persistence;
23
24 import java.io.File JavaDoc;
25 import java.io.FileInputStream JavaDoc;
26 import java.io.FileOutputStream JavaDoc;
27 import java.io.IOException JavaDoc;
28 import java.io.ObjectInputStream JavaDoc;
29 import java.io.ObjectOutputStream JavaDoc;
30 import javax.management.MBeanInfo JavaDoc;
31
32 import org.jboss.logging.Logger;
33
34 import java.io.FileNotFoundException JavaDoc;
35
36 /**
37  * MBean Info Object Database. <p>
38  *
39  * @author Matt Munz
40  */
41 public class MBeanInfoOdb
42 {
43    protected Logger fLogger;
44
45    // Constructors --------------------------------------------------
46
47    public MBeanInfoOdb()
48    {
49       super();
50    }
51
52    // Protected -----------------------------------------------------
53
54    protected void store(MBeanInfo JavaDoc metadata, File JavaDoc location) throws IOException JavaDoc
55    {
56        location.createNewFile();
57        FileOutputStream JavaDoc fos = new FileOutputStream JavaDoc(location);
58        ObjectOutputStream JavaDoc oos = new ObjectOutputStream JavaDoc(fos);
59        oos.writeObject(metadata);
60    }
61    
62    protected MBeanInfo JavaDoc load(File JavaDoc location)
63      throws IOException JavaDoc, FileNotFoundException JavaDoc, ClassNotFoundException JavaDoc
64    {
65        logger().info("Loading mbean info from location: " + location.getAbsolutePath());
66        FileInputStream JavaDoc fis = new FileInputStream JavaDoc(location);
67        ObjectInputStream JavaDoc ois = new ObjectInputStream JavaDoc(fis);
68        MBeanInfo JavaDoc obj = (MBeanInfo JavaDoc) ois.readObject();
69        ois.close();
70        return obj;
71    }
72
73    protected Logger logger()
74    {
75       if (fLogger == null)
76       {
77          fLogger = Logger.getLogger("" + getClass().getName());
78       }
79       return fLogger;
80    }
81 }
82
83
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