01: /*
02: * JBoss, Home of Professional Open Source.
03: * Copyright 2006, Red Hat Middleware LLC, and individual contributors
04: * as indicated by the @author tags. See the copyright.txt file in the
05: * distribution for a full listing of individual contributors.
06: *
07: * This is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU Lesser General Public License as
09: * 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;
25: import javax.management.ObjectName;
26: import javax.management.BadStringOperationException;
27: import javax.management.BadBinaryOpValueExpException;
28: import javax.management.BadAttributeValueExpException;
29: import javax.management.InvalidApplicationException;
30: import javax.management.MBeanServer;
31: import javax.management.InstanceNotFoundException;
32:
33: /**
34: * MBean QueryExp to find all classes of a particular instance
35: * @author bill@jboss.org
36: * @version $Revision: 57200 $
37: */
38: public class InstanceOfQueryExp implements QueryExp {
39: /** NOT REALLY SERIALIZABLE */
40: private static final long serialVersionUID = -5765353862268810105L;
41:
42: MBeanServer server;
43: String classname;
44:
45: public InstanceOfQueryExp(String classname) {
46: this .classname = classname;
47: }
48:
49: public boolean apply(ObjectName name)
50: throws BadStringOperationException,
51: BadBinaryOpValueExpException,
52: BadAttributeValueExpException, InvalidApplicationException {
53: try {
54: return server.isInstanceOf(name, classname);
55: } catch (InstanceNotFoundException e) {
56: throw new InvalidApplicationException(name);
57: }
58: }
59:
60: public void setMBeanServer(MBeanServer server) {
61: this.server = server;
62: }
63: }
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