| HookFactory.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 *
5 *
6 *
7 * The contents of this file are subject to the terms of the Liferay Enterprise
8 * Subscription License ("License"). You may not use this file except in
9 * compliance with the License. You can obtain a copy of the License by
10 * contacting Liferay, Inc. See the License for the specific language governing
11 * permissions and limitations under the License, including but not limited to
12 * distribution rights 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 */
22
23 package com.liferay.documentlibrary.util;
24
25 import com.liferay.portal.kernel.log.Log;
26 import com.liferay.portal.kernel.log.LogFactoryUtil;
27 import com.liferay.portal.kernel.util.InstancePool;
28 import com.liferay.portal.util.PropsValues;
29
30 /**
31 * <a href="HookFactory.java.html"><b><i>View Source</i></b></a>
32 *
33 * @author Brian Wing Shun Chan
34 */
35 public class HookFactory {
36
37 public static Hook getInstance() {
38 if (_hook == null) {
39 if (_log.isDebugEnabled()) {
40 _log.debug("Instantiate " + PropsValues.DL_HOOK_IMPL);
41 }
42
43 _hook = (Hook)InstancePool.get(PropsValues.DL_HOOK_IMPL);
44 }
45
46 if (_log.isDebugEnabled()) {
47 _log.debug("Return " + _hook.getClass().getName());
48 }
49
50 return _hook;
51 }
52
53 public static void setInstance(Hook hook) {
54 if (_log.isDebugEnabled()) {
55 _log.debug("Set " + hook.getClass().getName());
56 }
57
58 _hook = hook;
59 }
60
61 private static Log _log = LogFactoryUtil.getLog(HookFactory.class);
62
63 private static Hook _hook = null;
64
65 }