1
22
23 package com.liferay.taglib.util;
24
25 import com.liferay.portal.kernel.log.Log;
26 import com.liferay.portal.kernel.log.LogFactoryUtil;
27 import com.liferay.portal.kernel.log.LogUtil;
28 import com.liferay.portal.kernel.servlet.StringServletResponse;
29 import com.liferay.portal.kernel.util.Validator;
30 import com.liferay.portal.model.Theme;
31 import com.liferay.portal.util.WebKeys;
32
33 import javax.servlet.RequestDispatcher;
34 import javax.servlet.ServletContext;
35 import javax.servlet.http.HttpServletRequest;
36 import javax.servlet.jsp.JspException;
37
38
44 public class IncludeTag extends ParamAndPropertyAncestorTagImpl {
45
46 public int doEndTag() throws JspException {
47 HttpServletRequest req = null;
48
49 try {
50 ServletContext ctx = getServletContext();
51 req = getServletRequest();
52 StringServletResponse res = getServletResponse();
53
54 Theme theme = (Theme)req.getAttribute(WebKeys.THEME);
55
56 String page = getPage();
57
58 if (isTheme()) {
59 ThemeUtil.include(ctx, req, res, pageContext, page, theme);
60 }
61 else {
62 RequestDispatcher rd = ctx.getRequestDispatcher(page);
63
64 rd.include(req, res);
65 }
66
67 pageContext.getOut().print(res.getString());
68
69 return EVAL_PAGE;
70 }
71 catch (Exception e) {
72 if (req != null) {
73 String currentURL = (String)req.getAttribute(
74 WebKeys.CURRENT_URL);
75
76 _log.error(
77 "Current URL " + currentURL + " generates exception: " +
78 e.getMessage());
79 }
80
81 LogUtil.log(_log, e);
82
83 return EVAL_PAGE;
84 }
85 finally {
86 clearParams();
87 }
88 }
89
90 public boolean isTheme() {
91 return false;
92 }
93
94 public String getPage() {
95 if (Validator.isNull(_page)) {
96 return getDefaultPage();
97 }
98 else {
99 return _page;
100 }
101 }
102
103 public void setPage(String page) {
104 _page = page;
105 }
106
107 protected String getDefaultPage() {
108 return null;
109 }
110
111 private static Log _log = LogFactoryUtil.getLog(IncludeTag.class);
112
113 private String _page;
114
115 }