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38
39
40
41 package com.lutris.appserver.debugger.presentation;
42
43
44 import com.lutris.appserver.server.*;
45 import com.lutris.appserver.server.httpPresentation.*;
46 import com.lutris.appserver.debugger.Debugger;
47
48 import com.lutris.appserver.debugger.spec.*;
49
50
51 import javax.servlet.*;
52 import javax.servlet.http.*;
53 import java.util.Hashtable  ;
54
56 public class StatusFrame implements HttpPresentation {
57
58 private static final int SHOW_REQUEST = 0;
59 private static final int SHOW_TRACE = 1;
60 private static final int SHOW_SESSIONDATA = 2;
61 private static final int SHOW_RESPONSE = 3;
62
63 private boolean noTrans(HttpPresentationComms comms) throws Exception {
64 if (comms.sessionData == null)
65 return true;
66 return !comms.sessionData.containsKey("dirty");
67 }
68
69 private void possiblySetTrans(HttpPresentationComms comms)
70 throws Exception {
71 if (comms.sessionData == null)
72 return;
73 String idStr = comms.request.getParameter("id");
74
75 if (idStr != null) {
76 int id = -1;
77 try {
78 id = Integer.parseInt(idStr);
79 } catch (NumberFormatException e) {
80 }
81 if (id != -1) {
82 ServletMonitor sm=ServletMonitorFactory.getServletMonitor("com.lutris.appserver.debugger.business.ServletMonitorImpl");
83
84 Hashtable trans =
85 sm.getTransactionRecord(id);
86 if (trans != null)
87
88 comms.sessionData.set("trans", trans);
89 comms.sessionData.set("dirty", new Boolean (true));
90 }
91 }
92 }
93
94
95 private Hashtable getTrans(HttpPresentationComms comms)
96 throws Exception {
97 if (comms.sessionData == null)
98 return null;
99 Hashtable trans =
100 (Hashtable ) comms.sessionData.get("trans");
101
102
103 if (trans == null)
104 comms.sessionData.remove("trans");
105 return trans;
106 }
107
108
109 private void possiblySetPanel(HttpPresentationComms comms)
110 throws Exception {
111 if (comms.sessionData == null)
112 return;
113 String panelStr = comms.request.getParameter("panel");
114 if (panelStr != null)
115 comms.sessionData.set("panel", new Integer (panelStr));
116 }
117
118
119 private int getPanel(HttpPresentationComms comms) throws Exception {
120 if (comms.sessionData == null)
121 return SHOW_REQUEST;
122 Integer panel = (Integer ) comms.sessionData.get("panel");
123 if (panel == null) {
124 panel = new Integer (SHOW_REQUEST);
125 comms.sessionData.set("panel", panel);
126 }
127 return panel.intValue();
128 }
129
130
131
132
133 public void run(HttpPresentationComms comms) throws Exception {
134 possiblySetTrans(comms);
135 possiblySetPanel(comms);
136
137
138
139 if (noTrans(comms)) {
140 emitIntroPage(comms);
141 return;
142 }
143 Hashtable trans = getTrans(comms);
144 int panel = getPanel(comms);
145 if (trans == null) {
146 emitNotFoundPage(comms);
147 return;
148 }
149 if (panel == SHOW_REQUEST) {
150 emitRequestPage(comms, trans);
151 return;
152 } else if (panel == SHOW_TRACE) {
153 return;
154 } else if (panel == SHOW_SESSIONDATA) {
155 emitSessionPage(comms, trans);
156 return;
157 } else if (panel == SHOW_RESPONSE) {
158 emitResponsePage(comms, trans);
159 return;
160 }
161 emitErrorPage(comms);
162 }
163
164
165 private void emitIntroPage(HttpPresentationComms comms) throws Exception {
166 comms.response.setContentType("text/html");
167 comms.response.getOutputStream().print(
168 "<HTML><HEAD></HEAD><BODY>" +
169 "<p><p><p><center><i>No Transaction Selected</i></center>" +
170 "</BODY></HTML>");
171 }
172
173
174 private void emitNotFoundPage(HttpPresentationComms comms)
175 throws Exception {
176 comms.response.setContentType("text/html");
177 comms.response.getOutputStream().print(
178 "<HTML><HEAD></HEAD><BODY>" +
179 "<p><center><h1><b>Transaction not found.</b></h1><P>" +
180 "Perhaps it is too old and has been flushed out of the queue." +
181 "</center>" +
182 "</BODY></HTML>");
183 }
184
185
186 private void emitRequestPage(HttpPresentationComms comms,
187 Hashtable trans)
188 throws Exception {
189 String id = comms.request.getParameter("id");
190 comms.response.setContentType("text/html");
191 HttpPresentationOutputStream out = comms.response.getOutputStream();
192 out.println("<HTML><HEAD></HEAD><BODY>");
193 out.println("<B>Request</B>");
194 out.println("<a HREF=StatusFrame.po?panel=" +
195 SHOW_SESSIONDATA + "&id="+id +">Session Data</a>");
196 out.println("<a HREF=StatusFrame.po?panel=" +
197 SHOW_RESPONSE + "&id="+id +">Response</a>");
198 out.println(HttpDebug.getRequestDebugInfo(trans));
199 out.println("<p><font size=-1><i>This debugger is part of the <a HREF=http://www.enhydra.org target=eWindow>Enhydra</a> project.</i></font>");
200 out.println("</BODY></HTML>");
201 }
202
203
204 private void emitTracePage(HttpPresentationComms comms,
205 Hashtable trans)
206 throws Exception {
207 String id = comms.request.getParameter("id");
208 comms.response.setContentType("text/html");
209 HttpPresentationOutputStream out = comms.response.getOutputStream();
210 out.println("<HTML><HEAD></HEAD><BODY>");
211 out.println("<a HREF=StatusFrame.po?panel=" +
212 SHOW_REQUEST + "&id="+id +">Request</a>");
213 out.println("<B>Trace</B>");
214 out.println("<a HREF=StatusFrame.po?panel=" +
215 SHOW_SESSIONDATA + "&id="+id +">Session Data</a>");
216 out.println("<a HREF=StatusFrame.po?panel=" +
217 SHOW_RESPONSE + "&id="+id +">Response</a>");
218 out.println(HttpDebug.formatTraceDebugInfo((String )trans.get("ResponseTrace")));
219 out.println("<p><font size=-1><i>This debugger is part of the <a HREF=http://www.enhydra.org target=eWindow>Enhydra</a> project.</i></font>");
220 out.println("</BODY></HTML>");
221 }
222
223
224 private void emitSessionPage(HttpPresentationComms comms,
225 Hashtable trans)
226 throws Exception {
227 String id = comms.request.getParameter("id");
228 comms.response.setContentType("text/html");
229 HttpPresentationOutputStream out = comms.response.getOutputStream();
230 out.println("<HTML><HEAD></HEAD><BODY>");
231 out.println("<a HREF=StatusFrame.po?panel=" +
232 SHOW_REQUEST + "&id="+id +">Request</a>");
233 out.println("<B>Session Data</B>");
234 out.println("<a HREF=StatusFrame.po?panel=" +
235 SHOW_RESPONSE + "&id="+id +">Response</a>");
236
237 String pre =(String )trans.get("S");
238
239 if (pre == null)
241 pre = "<i>No session data found.</i>";
242 else if (pre.equals(""))
243 pre = "<i>Empty</i>";
244 String post =(String )trans.get("S1");
245 if (post == null)
247 post = "<i>No session data found.</i>";
248 else if (post.equals(""))
249 post = "<i>Empty</i>";
250 out.println(HttpDebug.formatSessionInfo(pre, "Session Data Before"));
251 out.println(HttpDebug.formatSessionInfo(post, "Session Data After"));
252 if (pre == null &&
253 post == null)
254 out.println("<p><i>(Session Data is only available with <a HREF=http://www.enhydra.com>Enhydra</a> applications)</i>");
255 out.println("<p><font size=-1><i>This debugger is part of the <a HREF=http://www.enhydra.org target=eWindow>Enhydra</a> project.</i></font>");
256 out.println("</BODY></HTML>");
257 }
258
259
260 private void emitResponsePage(HttpPresentationComms comms,
261 Hashtable trans)
262 throws Exception {
263 String id = comms.request.getParameter("id");
264 comms.response.setContentType("text/html");
265 HttpPresentationOutputStream out = comms.response.getOutputStream();
266 out.println("<HTML><HEAD></HEAD><BODY>");
267 out.println("<a HREF=StatusFrame.po?panel=" +
268 SHOW_REQUEST + "&id="+id +">Request</a>");
269 out.println("<a HREF=StatusFrame.po?panel=" +
270 SHOW_SESSIONDATA + "&id="+id +">Session Data</a>");
271 out.println("<B>Response</B>");
272
273 out.println(HttpDebug.getResponseDebugInfo(trans));
274 out.println("<p><font size=-1><i>This debugger is part of the <a HREF=http://www.enhydra.org target=eWindow>Enhydra</a> project.</i></font>");
275 out.println("</BODY></HTML>");
276 }
277
278
279
280 private void emitErrorPage(HttpPresentationComms comms) throws Exception {
281 comms.response.setContentType("text/html");
282 comms.response.getOutputStream().print(
283 "<HTML><HEAD></HEAD><BODY>" +
284 "<P><center><h1><b>Internal Error In Debugger</b></h1></center>" +
285 "</BODY></HTML>");
286 }
287
288
289 }
290 |
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