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Java > Open Source Codes > org > jboss > mx > util > InstanceOfQueryExp


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.util;
23
24 import javax.management.QueryExp JavaDoc;
25 import javax.management.ObjectName JavaDoc;
26 import javax.management.BadStringOperationException JavaDoc;
27 import javax.management.BadBinaryOpValueExpException JavaDoc;
28 import javax.management.BadAttributeValueExpException JavaDoc;
29 import javax.management.InvalidApplicationException JavaDoc;
30 import javax.management.MBeanServer JavaDoc;
31 import javax.management.InstanceNotFoundException JavaDoc;
32
33 /**
34  * MBean QueryExp to find all classes of a particular instance
35  * @author bill@jboss.org
36  * @version $Revision: 37459 $
37  */
38 public class InstanceOfQueryExp implements QueryExp JavaDoc
39 {
40    /** NOT REALLY SERIALIZABLE */
41    private static final long serialVersionUID = -1;
42
43    MBeanServer JavaDoc server;
44    String JavaDoc classname;
45
46    public InstanceOfQueryExp(String JavaDoc classname)
47    {
48       this.classname = classname;
49    }
50
51    public boolean apply(ObjectName JavaDoc name)
52            throws BadStringOperationException JavaDoc,
53            BadBinaryOpValueExpException JavaDoc,
54            BadAttributeValueExpException JavaDoc,
55            InvalidApplicationException JavaDoc
56    {
57       try
58       {
59          return server.isInstanceOf(name, classname);
60       }
61       catch (InstanceNotFoundException JavaDoc e)
62       {
63          throw new InvalidApplicationException JavaDoc(name);
64       }
65    }
66
67    public void setMBeanServer(MBeanServer JavaDoc server)
68    {
69       this.server = server;
70    }
71 }
72
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