1
22
23 package com.liferay.taglib.portlet;
24
25 import com.liferay.portal.kernel.log.Log;
26 import com.liferay.portal.kernel.log.LogFactoryUtil;
27 import com.liferay.portal.kernel.util.MethodInvoker;
28 import com.liferay.portal.kernel.util.MethodWrapper;
29 import com.liferay.portal.kernel.util.PortalClassLoaderUtil;
30 import com.liferay.portal.kernel.util.StringPool;
31
32 import javax.servlet.jsp.JspException;
33 import javax.servlet.jsp.PageContext;
34 import javax.servlet.jsp.tagext.TagSupport;
35
36
42 public class RenderURLParamsTag extends TagSupport {
43
44 public static String doTag(String varImpl, PageContext pageContext)
45 throws Exception {
46
47 Object returnObj = null;
48
49 Thread currentThread = Thread.currentThread();
50
51 ClassLoader contextClassLoader = currentThread.getContextClassLoader();
52
53 try {
54 currentThread.setContextClassLoader(
55 PortalClassLoaderUtil.getClassLoader());
56
57 MethodWrapper methodWrapper = new MethodWrapper(
58 _TAG_CLASS, _TAG_DO_END_METHOD,
59 new Object[] {varImpl, pageContext});
60
61 returnObj = MethodInvoker.invoke(methodWrapper);
62 }
63 catch (Exception e) {
64 _log.error(e, e);
65
66 throw e;
67 }
68 finally {
69 currentThread.setContextClassLoader(contextClassLoader);
70 }
71
72 if (returnObj != null) {
73 return returnObj.toString();
74 }
75 else {
76 return StringPool.BLANK;
77 }
78 }
79
80 public int doEndTag() throws JspException {
81 try {
82 doTag(_varImpl, pageContext);
83 }
84 catch (Exception e) {
85 if (e instanceof JspException) {
86 throw (JspException)e;
87 }
88 else {
89 throw new JspException(e);
90 }
91 }
92
93 return EVAL_PAGE;
94 }
95
96 public void setVarImpl(String varImpl) {
97 _varImpl = varImpl;
98 }
99
100 private static final String _TAG_CLASS =
101 "com.liferay.portal.servlet.taglib.portlet.RenderURLParamsTagUtil";
102
103 private static final String _TAG_DO_END_METHOD = "doEndTag";
104
105 private static Log _log = LogFactoryUtil.getLog(RenderURLParamsTag.class);
106
107 private String _varImpl;
108
109 }