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;
27:
28: /**
29: * <p>A simple extension of {@link DefaultResolver} that adds handling for
30: * {@link KeyAwareAdapter}s.
31: *
32: * @author <a href="mail at leosimons dot com">Leo Simons</a>
33: * @version $Id: DefaultKeyRelayingResolver.java,v 1.5 2004/02/29 19:21:35 lsimons Exp $
34: */
35: public class DefaultKeyRelayingResolver extends DefaultResolver {
36: // ----------------------------------------------------------------------
37: // Constructors
38: // ----------------------------------------------------------------------
39:
40: /**
41: * @see DefaultResolver#DefaultResolver(ResolverCallback)
42: *
43: * @param callback
44: */
45: public DefaultKeyRelayingResolver(final ResolverCallback callback) {
46: super (callback);
47: }
48:
49: // ----------------------------------------------------------------------
50: // Helper Methods
51: // ----------------------------------------------------------------------
52:
53: /**
54: * @see DefaultResolver#getInstanceFromAdapter(Object,Object)
55: *
56: * @param adapter
57: * @param key
58: * @return
59: */
60: protected Object getInstanceFromAdapter(final Object adapter,
61: final Object key) {
62: if (adapter == null || adapter instanceof Adapter)
63: return super .getInstanceFromAdapter(adapter, key);
64:
65: final KeyAwareAdapter keyAdapter = (KeyAwareAdapter) adapter;
66: final Object instance = keyAdapter.getInstance(key);
67: getCallback().providedInstance(instance, adapter);
68:
69: return instance;
70: }
71: }
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