01: /* ====================================================================
02: The Jicarilla Software License
03:
04: Copyright (c) 2003 Leo Simons.
05: All rights reserved.
06:
07: Permission is hereby granted, free of charge, to any person obtaining
08: a copy of this software and associated documentation files (the
09: "Software"), to deal in the Software without restriction, including
10: without limitation the rights to use, copy, modify, merge, publish,
11: distribute, sublicense, and/or sell copies of the Software, and to
12: permit persons to whom the Software is furnished to do so, subject to
13: the following conditions:
14:
15: The above copyright notice and this permission notice shall be
16: included in all copies or substantial portions of the Software.
17:
18: THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19: EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20: MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21: IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
22: CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23: TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24: SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25: ==================================================================== */
26: package org.jicarilla.container.integration.dna;
27:
28: import org.jcontainer.dna.ResourceLocator;
29: import org.jcontainer.dna.MissingResourceException;
30: import org.jicarilla.container.Resolver;
31:
32: /**
33: *
34: *
35: * @author <a href="lsimons at jicarilla dot org">Leo Simons</a>
36: * @version $Id: JicarillaBasedDnaResourceLocator.java,v 1.1 2004/04/03 12:09:21 lsimons Exp $
37: */
38: public class JicarillaBasedDnaResourceLocator implements
39: ResourceLocator {
40: protected Resolver m_container;
41:
42: public JicarillaBasedDnaResourceLocator(Resolver container) {
43: m_container = container;
44: }
45:
46: public Object lookup(String key) throws MissingResourceException {
47: if (key == null)
48: throw new MissingResourceException(key,
49: "No value exists for key 'null'");
50:
51: final Object result;
52: try {
53: result = m_container.get(key);
54: } catch (Exception e) {
55: throw new MissingResourceException(key, "Unable to get "
56: + key + "from the ResourceLocator", e);
57: }
58:
59: if (result == null)
60: throw new MissingResourceException(key,
61: "No value exists for key " + key.toString());
62:
63: return result;
64: }
65:
66: public boolean contains(String key) {
67: return m_container.contains(key);
68: }
69: }
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