ThemeDisplayFactory.java |
1 /** 2 * Copyright (c) 2000-2007 Liferay, Inc. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a copy 5 * of this software and associated documentation files (the "Software"), to deal 6 * in the Software without restriction, including without limitation the rights 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 * copies of the Software, and to permit persons to whom the Software is 9 * 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 */ 22 23 package com.liferay.portal.theme; 24 25 import com.liferay.portal.util.CachePropsUtil; 26 27 import org.apache.commons.pool.BasePoolableObjectFactory; 28 import org.apache.commons.pool.ObjectPool; 29 import org.apache.commons.pool.impl.StackObjectPool; 30 31 /** 32 * <a href="ThemeDisplayFactory.java.html"><b><i>View Source</i></b></a> 33 * 34 * @author Brian Wing Shun Chan 35 * 36 */ 37 public class ThemeDisplayFactory { 38 39 public static ThemeDisplay create() throws Exception { 40 if (CachePropsUtil.COMMONS_POOL_ENABLED) { 41 return (ThemeDisplay)_instance._pool.borrowObject(); 42 } 43 else { 44 return new ThemeDisplay(); 45 } 46 } 47 48 public static void recycle(ThemeDisplay themeDisplay) throws Exception { 49 if (CachePropsUtil.COMMONS_POOL_ENABLED) { 50 _instance._pool.returnObject(themeDisplay); 51 } 52 } 53 54 private ThemeDisplayFactory() { 55 _pool = new StackObjectPool(new Factory()); 56 } 57 58 private static ThemeDisplayFactory _instance = new ThemeDisplayFactory(); 59 60 private ObjectPool _pool; 61 62 private class Factory extends BasePoolableObjectFactory { 63 64 public Object makeObject() { 65 return new ThemeDisplay(); 66 } 67 68 public void passivateObject(Object obj) { 69 ThemeDisplay themeDisplay = (ThemeDisplay)obj; 70 71 themeDisplay.recycle(); 72 } 73 74 } 75 76 }