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.avalon;
27:
28: import org.apache.avalon.fortress.Container;
29: import org.apache.avalon.fortress.impl.handler.ComponentHandler;
30: import org.apache.avalon.framework.service.ServiceException;
31: import org.jicarilla.container.Adapter;
32: import org.jicarilla.container.JicarillaInstantiationException;
33:
34: import java.util.HashMap;
35: import java.util.Map;
36:
37: /**
38: *
39: *
40: * @author <a href="mail at leosimons dot com">Leo Simons</a>
41: * @version $Id: FortressBasedComponentAdapter.java,v 1.1 2004/03/08 21:05:24 lsimons Exp $
42: */
43: public class FortressBasedComponentAdapter implements Adapter {
44: protected final Container m_container;
45: protected final String m_key;
46: protected final String m_hint;
47:
48: protected final Map m_instances = new HashMap();
49:
50: public FortressBasedComponentAdapter(final Container container,
51: final String key, final String hint) {
52: m_container = container;
53: m_key = key;
54: m_hint = hint;
55: }
56:
57: public Object getInstance() {
58: try {
59: final ComponentHandler handler = (ComponentHandler) m_container
60: .get(m_key, m_hint);
61: final Object instance = handler.get();
62:
63: m_instances.put(instance, handler);
64: return instance;
65: } catch (ServiceException e) {
66: throw new JicarillaInstantiationException(e);
67: } catch (Exception e) {
68: throw new JicarillaInstantiationException(e);
69: }
70: }
71:
72: public void releaseInstance(final Object component)
73: throws Exception {
74: if (!m_instances.containsKey(component))
75: return;
76:
77: final ComponentHandler handler = (ComponentHandler) m_instances
78: .get(component);
79: handler.put(component);
80: }
81: }
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