01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: *
23: * Free Software Foundation, Inc.
24: * 59 Temple Place, Suite 330
25: * Boston, MA 02111-1307 USA
26: *
27: * @author Scott Ferguson
28: */
29:
30: package com.caucho.jms.connection;
31:
32: import com.caucho.jms.queue.*;
33: import com.caucho.jms.selector.Selector;
34: import com.caucho.jms.selector.SelectorParser;
35: import com.caucho.log.Log;
36: import com.caucho.util.L10N;
37: import com.caucho.util.NullEnumeration;
38:
39: import javax.jms.JMSException;
40: import javax.jms.Queue;
41: import javax.jms.QueueBrowser;
42: import java.util.Enumeration;
43: import java.util.logging.Logger;
44:
45: /**
46: * A basic queue.
47: */
48: public class QueueBrowserImpl implements QueueBrowser {
49: private static final Logger log = Logger
50: .getLogger(QueueBrowserImpl.class.getName());
51: static final L10N L = new L10N(QueueBrowserImpl.class);
52:
53: private JmsSession _session;
54: protected AbstractQueue _queue;
55: private String _messageSelector;
56: private Selector _selector;
57:
58: QueueBrowserImpl(JmsSession session, Queue queue,
59: String messageSelector) throws JMSException {
60: _session = session;
61: _queue = (AbstractQueue) queue;
62: _messageSelector = messageSelector;
63: if (_messageSelector != null) {
64: SelectorParser parser = new SelectorParser();
65: _selector = parser.parse(messageSelector);
66: }
67: }
68:
69: /**
70: * Returns the browser's queue.
71: */
72: public Queue getQueue() throws JMSException {
73: return (Queue) _queue;
74: }
75:
76: /**
77: * Returns the message selector.
78: */
79: public String getMessageSelector() throws JMSException {
80: return _messageSelector;
81: }
82:
83: /**
84: * Returns an enumeration of the matching messages.
85: */
86: public Enumeration getEnumeration() throws JMSException {
87: /*
88: if (_session.isActive())
89: return _queue.getEnumeration(_selector);
90: else
91: return NullEnumeration.create();
92: */
93: throw new UnsupportedOperationException();
94: }
95:
96: public void close() throws JMSException {
97: }
98: }
|