01: /*
02: * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
03: *
04: * Redistribution and use in source and binary forms, with or without
05: * modification, are permitted provided that the following conditions
06: * are met:
07: *
08: * - Redistributions of source code must retain the above copyright
09: * notice, this list of conditions and the following disclaimer.
10: *
11: * - Redistribution in binary form must reproduce the above copyright
12: * notice, this list of conditions and the following disclaimer in
13: * the documentation and/or other materials provided with the
14: * distribution.
15: *
16: * Neither the name of Sun Microsystems, Inc. or the names of
17: * contributors may be used to endorse or promote products derived
18: * from this software without specific prior written permission.
19: *
20: * This software is provided "AS IS," without a warranty of any
21: * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
22: * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
23: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
24: * EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES
25: * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
26: * DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN
27: * OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR
28: * FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
29: * PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF
30: * LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE,
31: * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
32: *
33: * You acknowledge that Software is not designed, licensed or intended
34: * any nuclear facility.
35: */
36:
37: package com.sun.portal.community.urlmanager;
38:
39: import java.util.Properties;
40:
41: import java.io.FileNotFoundException;
42: import java.io.IOException;
43:
44: public abstract class CommunityURLManagerFactory {
45:
46: //
47: // singleton
48: //
49: protected static CommunityURLManagerFactory _cmfactory;
50:
51: /**
52: * Get singleton factory instance.
53: *
54: * @return
55: */
56: public static CommunityURLManagerFactory getInstance() {
57: if (_cmfactory == null) {
58: throw new IllegalStateException("factory unavailable");
59: }
60: return _cmfactory;
61: }
62:
63: protected static void setInstance(
64: CommunityURLManagerFactory cmfactory) {
65: _cmfactory = cmfactory;
66: }
67:
68: /**
69: * Get <code>CommunityManager</code> from a servlet environment.
70: *
71: * @param request
72: * @param response
73: * @throws com.sun.portal.community.mgmt.CommunityManagerException
74: * @return
75: */
76: public abstract CommunityURLManager getCommunityURLManager();
77:
78: }
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