01: package org.tigris.scarab.util.word;
02:
03: /* ================================================================
04: * Copyright (c) 2000-2002 CollabNet. All rights reserved.
05: *
06: * Redistribution and use in source and binary forms, with or without
07: * modification, are permitted provided that the following conditions are
08: * met:
09: *
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: *
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: *
17: * 3. The end-user documentation included with the redistribution, if
18: * any, must include the following acknowlegement: "This product includes
19: * software developed by Collab.Net <http://www.Collab.Net/>."
20: * Alternately, this acknowlegement may appear in the software itself, if
21: * and wherever such third-party acknowlegements normally appear.
22: *
23: * 4. The hosted project names must not be used to endorse or promote
24: * products derived from this software without prior written
25: * permission. For written permission, please contact info@collab.net.
26: *
27: * 5. Products derived from this software may not use the "Tigris" or
28: * "Scarab" names nor may "Tigris" or "Scarab" appear in their names without
29: * prior written permission of Collab.Net.
30: *
31: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
32: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
33: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
34: * IN NO EVENT SHALL COLLAB.NET OR ITS CONTRIBUTORS BE LIABLE FOR ANY
35: * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
37: * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
38: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
39: * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
40: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
41: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42: *
43: * ====================================================================
44: *
45: * This software consists of voluntary contributions made by many
46: * individuals on behalf of Collab.Net.
47: */
48:
49: import org.apache.fulcrum.cache.GlobalCacheService;
50: import org.apache.turbine.services.yaaficomponent.YaafiComponentService;
51: import org.tigris.scarab.services.ServiceManager;
52: import org.tigris.scarab.tools.localization.L10NKeySet;
53: import org.tigris.scarab.util.ScarabRuntimeException;
54:
55: /**
56: * Returns an instance of the SearchIndex specified in Scarab.properties
57: *
58: * @author <a href="mailto:jmcnally@collab.net">John D. McNally </a>
59: * @version $Id: SearchFactory.java 10193 2006-06-30 12:49:42Z dabbous $
60: */
61: public class SearchFactory {
62: private static SearchIndex searchIndex;
63:
64: public static SearchIndex getInstance()
65: throws InstantiationException {
66: SearchIndex result = searchIndex;
67:
68: if (result == null) {
69:
70: try {
71: ServiceManager sm = ServiceManager.getInstance();
72: return (SearchIndex) sm.lookup(SearchIndex.class);
73: } catch (Exception e) {
74: throw new ScarabRuntimeException(
75: L10NKeySet.ExceptionLucene, e);
76: }
77: }
78: return result;
79: }
80:
81: /**
82: * Release a searchIndex after it as been looked up from @getInstance()
83: * @param searchIndex
84: */
85: public static void releaseInstance(SearchIndex searchIndex) {
86: YaafiComponentService yaafi = ServiceManager.getService();
87: searchIndex.clear();
88: yaafi.release(searchIndex);
89: }
90:
91: /**
92: * Needed for unit testing only
93: * @param searchIndex
94: */
95: public static void setSearchIndex(SearchIndex searchIndex) {
96: SearchFactory.searchIndex = searchIndex;
97: }
98:
99: }
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