01: /*
02: * %W% %E%
03: *
04: * Copyright 1990-2006 Sun Microsystems, Inc. All Rights Reserved.
05: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License version
09: * 2 only, as published by the Free Software Foundation.
10: *
11: * This program is distributed in the hope that it will be useful, but
12: * WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * General Public License version 2 for more details (a copy is
15: * included at /legal/license.txt).
16: *
17: * You should have received a copy of the GNU General Public License
18: * version 2 along with this work; if not, write to the Free Software
19: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA
21: *
22: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
23: * Clara, CA 95054 or visit www.sun.com if you need additional
24: * information or have any questions.
25: */
26:
27: package com.sun.jump.module.windowing;
28:
29: import com.sun.jump.module.JUMPModuleFactory;
30:
31: /**
32: * <code>JUMPWindowingModuleFactory</code> is a factory for
33: * <code>JUMPWindowingModule</code>
34: */
35: public abstract class JUMPWindowingModuleFactory extends
36: JUMPModuleFactory {
37: public static final String WINDOWING_POLICY_STACKED = "stacked";
38:
39: private static JUMPWindowingModuleFactory INSTANCE = null;
40:
41: public static JUMPWindowingModuleFactory getInstance() {
42: return INSTANCE;
43: }
44:
45: /**
46: * Creates a new instance of JUMPWindowingModuleFactory
47: */
48: protected JUMPWindowingModuleFactory() {
49: synchronized (JUMPWindowingModuleFactory.class) {
50: if (INSTANCE == null) {
51: INSTANCE = this ;
52: }
53: }
54: }
55:
56: /**
57: * Returns a <code>JUMPWindowingModule</code> for the policy name specified.
58: *
59: * @param policy the window management policy. The supported values are
60: * <ul>
61: * <li>{@link #WINDOWING_POLICY_STACKED}</li>
62: * </ul>
63: * @throws java.lang.IllegalArgumentException if the policy is not
64: * not supported by the factory.
65: */
66: public abstract JUMPWindowingModule getModule(String policy);
67:
68: /**
69: * Returns the default <code>JUMPWindowingModule</code> for the system.
70: */
71: public abstract JUMPWindowingModule getModule();
72: }
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