| InputPermissionsParamsTag.java |
1 /**
2 * Copyright (c) 2000-2008 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.ui;
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 import com.liferay.portal.kernel.util.StringPool;
29
30 import javax.servlet.jsp.JspException;
31 import javax.servlet.jsp.PageContext;
32 import javax.servlet.jsp.tagext.TagSupport;
33
34 import org.apache.commons.logging.Log;
35 import org.apache.commons.logging.LogFactory;
36
37 /**
38 * <a href="InputPermissionsParamsTag.java.html"><b><i>View Source</i></b></a>
39 *
40 * @author Brian Wing Shun Chan
41 * @author Jorge Ferrer
42 *
43 */
44 public class InputPermissionsParamsTag extends TagSupport {
45
46 public static String doTag(
47 String modelName, PageContext pageContext)
48 throws Exception {
49
50 Object returnObj = null;
51
52 Thread currentThread = Thread.currentThread();
53
54 ClassLoader contextClassLoader = currentThread.getContextClassLoader();
55
56 try {
57 currentThread.setContextClassLoader(
58 PortalClassLoaderUtil.getClassLoader());
59
60 MethodWrapper methodWrapper = new MethodWrapper(
61 _TAG_CLASS, _TAG_DO_END_METHOD,
62 new Object[] {modelName, pageContext}
63 );
64
65 returnObj = MethodInvoker.invoke(methodWrapper);
66 }
67 catch (Exception e) {
68 _log.error(e, e);
69 }
70 finally {
71 currentThread.setContextClassLoader(contextClassLoader);
72 }
73
74 if (returnObj != null) {
75 return returnObj.toString();
76 }
77 else {
78 return StringPool.BLANK;
79 }
80 }
81
82 public int doEndTag() throws JspException {
83 try {
84 doTag(_modelName, pageContext);
85 }
86 catch (Exception e) {
87 if (e instanceof JspException) {
88 throw (JspException)e;
89 }
90 else {
91 throw new JspException(e);
92 }
93 }
94
95 return EVAL_PAGE;
96 }
97
98 public void setModelName(String modelName) {
99 _modelName = modelName;
100 }
101
102 private static final String _TAG_CLASS =
103 "com.liferay.portal.servlet.taglib.ui.InputPermissionsParamsTagUtil";
104
105 private static final String _TAG_DO_END_METHOD = "doEndTag";
106
107 private static Log _log = LogFactory.getLog(
108 InputPermissionsParamsTag.class);
109
110 private String _modelName;
111
112 }