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: * Free SoftwareFoundation, Inc.
23: * 59 Temple Place, Suite 330
24: * Boston, MA 02111-1307 USA
25: *
26: * @author Scott Ferguson
27: */
28:
29: package com.caucho.jms.selector;
30:
31: import com.caucho.util.IntMap;
32: import com.caucho.util.L10N;
33:
34: import javax.jms.JMSException;
35: import javax.jms.Message;
36:
37: /**
38: * The selector to grab a property.
39: */
40: public class IdentifierSelector extends Selector {
41: static L10N L = new L10N(Selector.class);
42:
43: static final IntMap _specialSelectors;
44:
45: private String _name;
46:
47: private IdentifierSelector(String name) {
48: _name = name;
49: }
50:
51: static Selector create(String name) {
52: int type = _specialSelectors.get(name.toLowerCase());
53:
54: if (type >= 0)
55: return new SpecialIdentifierSelector(type);
56:
57: return new IdentifierSelector(name);
58: }
59:
60: /**
61: * Evaluate the message. The boolean literal selector returns
62: * the value of the boolean.
63: */
64: Object evaluate(Message message) throws JMSException {
65: return message.getObjectProperty(_name);
66: }
67:
68: public String toString() {
69: return _name;
70: }
71:
72: static {
73: _specialSelectors = new IntMap();
74:
75: _specialSelectors.put("jmsdeliverymode",
76: SpecialIdentifierSelector.JMS_DELIVERY_MODE);
77: _specialSelectors.put("jmspriority",
78: SpecialIdentifierSelector.JMS_PRIORITY);
79: _specialSelectors.put("jmsmessageid",
80: SpecialIdentifierSelector.JMS_MESSAGE_ID);
81: _specialSelectors.put("jmstimestamp",
82: SpecialIdentifierSelector.JMS_TIMESTAMP);
83: _specialSelectors.put("jmscorrelationid",
84: SpecialIdentifierSelector.JMS_CORRELATION_ID);
85: _specialSelectors.put("jmstype",
86: SpecialIdentifierSelector.JMS_TYPE);
87: }
88: }
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