1
22
23 package com.liferay.taglib.ui;
24
25 import com.liferay.portal.kernel.servlet.PortalIncludeUtil;
26 import com.liferay.portal.kernel.servlet.SessionErrors;
27 import com.liferay.portal.kernel.util.HtmlUtil;
28 import com.liferay.portal.kernel.util.JavaConstants;
29 import com.liferay.portal.kernel.util.StringPool;
30 import com.liferay.portal.kernel.util.Validator;
31
32 import javax.portlet.RenderRequest;
33
34 import javax.servlet.http.HttpServletRequest;
35 import javax.servlet.jsp.JspException;
36 import javax.servlet.jsp.tagext.TagSupport;
37
38
44 public class ErrorTag extends TagSupport {
45
46 public int doStartTag() throws JspException {
47 try {
48 HttpServletRequest request =
49 (HttpServletRequest)pageContext.getRequest();
50
51 RenderRequest renderRequest = (RenderRequest)request.getAttribute(
52 JavaConstants.JAVAX_PORTLET_REQUEST);
53
54 request.setAttribute("liferay-ui:error:key", _key);
55 request.setAttribute("liferay-ui:error:message", _message);
56 request.setAttribute(
57 "liferay-ui:error:translateMessage",
58 String.valueOf(_translateMessage));
59 request.setAttribute("liferay-ui:error:rowBreak", _rowBreak);
60
61 if ((_exception != null) && (Validator.isNull(_message)) &&
62 (SessionErrors.contains(renderRequest, _exception.getName()))) {
63
64 PortalIncludeUtil.include(pageContext, getStartPage());
65
66 pageContext.setAttribute(
67 "errorException",
68 SessionErrors.get(renderRequest, _exception.getName()));
69
70 return EVAL_BODY_INCLUDE;
71 }
72 else {
73 return SKIP_BODY;
74 }
75 }
76 catch (Exception e) {
77 throw new JspException(e);
78 }
79 }
80
81 public int doEndTag() throws JspException {
82 try {
83 HttpServletRequest request =
84 (HttpServletRequest)pageContext.getRequest();
85
86 RenderRequest renderRequest = (RenderRequest)request.getAttribute(
87 JavaConstants.JAVAX_PORTLET_REQUEST);
88
89 boolean includeEndPage = false;
90
91 if (_key == null) {
92 if (!SessionErrors.isEmpty(renderRequest)) {
93 includeEndPage = true;
94 }
95 }
96 else {
97 if (SessionErrors.contains(renderRequest, _key)) {
98 includeEndPage = true;
99 }
100 }
101
102 if (includeEndPage) {
103 PortalIncludeUtil.include(pageContext, getEndPage());
104 }
105
106 return EVAL_PAGE;
107 }
108 catch (Exception e) {
109 throw new JspException(e);
110 }
111 }
112
113 public String getStartPage() {
114 if (Validator.isNull(_startPage)) {
115 return _START_PAGE;
116 }
117 else {
118 return _startPage;
119 }
120 }
121
122 public void setStartPage(String startPage) {
123 _startPage = startPage;
124 }
125
126 public String getEndPage() {
127 if (Validator.isNull(_endPage)) {
128 return _END_PAGE;
129 }
130 else {
131 return _endPage;
132 }
133 }
134
135 public void setEndPage(String endPage) {
136 _endPage = endPage;
137 }
138
139 public void setException(Class<?> exception) {
140 _exception = exception;
141
142 if (_exception != null) {
143 _key = _exception.getName();
144 }
145 }
146
147 public void setKey(String key) {
148 _key = key;
149 }
150
151 public void setMessage(String message) {
152 _message = message;
153 }
154
155 public void setTranslateMessage(boolean translateMessage) {
156 _translateMessage = translateMessage;
157 }
158
159 public void setRowBreak(String rowBreak) {
160 _rowBreak = HtmlUtil.unescape(rowBreak);
161 }
162
163 private static final String _START_PAGE = "/html/taglib/ui/error/start.jsp";
164
165 private static final String _END_PAGE = "/html/taglib/ui/error/end.jsp";
166
167 private String _startPage;
168 private String _endPage;
169 private Class<?> _exception;
170 private String _key;
171 private String _message;
172 private boolean _translateMessage = true;
173 private String _rowBreak = StringPool.BLANK;
174
175 }