DefineObjectsTag.java |
1 /** 2 * Copyright (c) 2000-2009 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.taglib.portlet; 24 25 import com.liferay.portal.kernel.util.MethodInvoker; 26 import com.liferay.portal.kernel.util.MethodWrapper; 27 import com.liferay.portal.kernel.util.PortalClassLoaderUtil; 28 29 import javax.servlet.jsp.JspException; 30 import javax.servlet.jsp.tagext.TagSupport; 31 32 /** 33 * <a href="DefineObjectsTag.java.html"><b><i>View Source</i></b></a> 34 * 35 * @author Brian Wing Shun Chan 36 * 37 */ 38 public class DefineObjectsTag extends TagSupport { 39 40 public int doStartTag() throws JspException { 41 Thread currentThread = Thread.currentThread(); 42 43 ClassLoader contextClassLoader = currentThread.getContextClassLoader(); 44 45 try { 46 currentThread.setContextClassLoader( 47 PortalClassLoaderUtil.getClassLoader()); 48 49 MethodWrapper methodWrapper = new MethodWrapper( 50 _TAG_CLASS, _TAG_DO_START_METHOD, new Object[] {pageContext}); 51 52 MethodInvoker.invoke(methodWrapper); 53 } 54 catch (Exception e) { 55 throw new JspException(e); 56 } 57 finally { 58 currentThread.setContextClassLoader(contextClassLoader); 59 } 60 61 return SKIP_BODY; 62 } 63 64 public int doEndTag() { 65 return EVAL_PAGE; 66 } 67 68 private static final String _TAG_CLASS = 69 "com.liferay.portal.servlet.taglib.portlet.DefineObjectsTagUtil"; 70 71 private static final String _TAG_DO_START_METHOD = "doStartTag"; 72 73 }