01: /**
02: * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
03: *
04: * Permission is hereby granted, free of charge, to any person obtaining a copy
05: * of this software and associated documentation files (the "Software"), to deal
06: * in the Software without restriction, including without limitation the rights
07: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
08: * copies of the Software, and to permit persons to whom the Software is
09: * furnished to do so, subject to the following conditions:
10: *
11: * The above copyright notice and this permission notice shall be included in
12: * all copies or substantial portions of the Software.
13: *
14: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15: * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16: * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17: * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18: * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19: * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20: * SOFTWARE.
21: */package com.liferay.portal.util;
22:
23: import com.liferay.portal.kernel.util.InstancePool;
24: import com.liferay.portal.kernel.util.Validator;
25:
26: /**
27: * <a href="LayoutCloneFactory.java.html"><b><i>View Source</i></b></a>
28: *
29: * @author Brian Wing Shun Chan
30: *
31: */
32: public class LayoutCloneFactory {
33:
34: public static LayoutClone getInstance() {
35: if (_layoutClone == null) {
36: if (Validator.isNotNull(PropsValues.LAYOUT_CLONE_IMPL)) {
37: _layoutClone = (LayoutClone) InstancePool
38: .get(PropsValues.LAYOUT_CLONE_IMPL);
39: }
40: }
41:
42: return _layoutClone;
43: }
44:
45: private static LayoutClone _layoutClone;
46:
47: }
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