1 package org.eclipse.jetty.nested;
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16 import java.io.BufferedWriter;
17 import java.io.File;
18 import java.io.IOException;
19 import java.io.OutputStream;
20 import java.io.OutputStreamWriter;
21 import java.io.PrintWriter;
22 import java.io.Reader;
23 import java.lang.reflect.Array;
24 import java.lang.reflect.Field;
25 import java.util.Date;
26 import java.util.Enumeration;
27 import java.util.Locale;
28 import java.util.Map.Entry;
29
30 import javax.servlet.ServletConfig;
31 import javax.servlet.ServletContext;
32 import javax.servlet.ServletException;
33 import javax.servlet.ServletRequest;
34 import javax.servlet.ServletRequestWrapper;
35 import javax.servlet.ServletResponse;
36 import javax.servlet.ServletResponseWrapper;
37 import javax.servlet.UnavailableException;
38 import javax.servlet.http.Cookie;
39 import javax.servlet.http.HttpServlet;
40 import javax.servlet.http.HttpServletRequest;
41 import javax.servlet.http.HttpServletRequestWrapper;
42 import javax.servlet.http.HttpServletResponse;
43 import javax.servlet.http.HttpServletResponseWrapper;
44
45 import org.eclipse.jetty.continuation.Continuation;
46 import org.eclipse.jetty.continuation.ContinuationListener;
47 import org.eclipse.jetty.continuation.ContinuationSupport;
48 import org.eclipse.jetty.http.HttpHeaders;
49 import org.eclipse.jetty.util.StringUtil;
50 import org.eclipse.jetty.util.log.Log;
51 import org.eclipse.jetty.util.log.Logger;
52
53
54
55
56
57
58
59 public class Dump extends HttpServlet
60 {
61 private static final Logger LOG = Log.getLogger(Dump.class);
62
63 boolean fixed;
64
65
66 @Override
67 public void init(ServletConfig config) throws ServletException
68 {
69 super.init(config);
70
71 if (config.getInitParameter("unavailable")!=null && !fixed)
72 {
73
74 fixed=true;
75 throw new UnavailableException("Unavailable test",Integer.parseInt(config.getInitParameter("unavailable")));
76 }
77 }
78
79
80 @Override
81 public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
82 {
83 doGet(request, response);
84 }
85
86
87 @Override
88 public void doGet(final HttpServletRequest request, final HttpServletResponse response) throws ServletException, IOException
89 {
90
91 final String data= request.getParameter("data");
92 final String chars= request.getParameter("chars");
93 final String block= request.getParameter("block");
94 final String dribble= request.getParameter("dribble");
95 final boolean flush= request.getParameter("flush")!=null?Boolean.parseBoolean(request.getParameter("flush")):false;
96
97
98 if(request.getPathInfo()!=null && request.getPathInfo().toLowerCase().indexOf("script")!=-1)
99 {
100 response.sendRedirect(response.encodeRedirectURL(getServletContext().getContextPath() + "/dump/info"));
101 return;
102 }
103
104 request.setCharacterEncoding("UTF-8");
105
106 if (request.getParameter("empty")!=null)
107 {
108 response.setStatus(200);
109 response.flushBuffer();
110 return;
111 }
112
113 if (request.getParameter("sleep")!=null)
114 {
115 try
116 {
117 long s = Long.parseLong(request.getParameter("sleep"));
118 if (request.getHeader(HttpHeaders.EXPECT)!=null &&request.getHeader(HttpHeaders.EXPECT).indexOf("102")>=0)
119 {
120 Thread.sleep(s/2);
121 response.sendError(102);
122 Thread.sleep(s/2);
123 }
124 else
125 Thread.sleep(s);
126 }
127 catch (InterruptedException e)
128 {
129 return;
130 }
131 catch (Exception e)
132 {
133 throw new ServletException(e);
134 }
135 }
136
137 if (request.getAttribute("RESUME")==null && request.getParameter("resume")!=null)
138 {
139 request.setAttribute("RESUME",Boolean.TRUE);
140
141 final long resume=Long.parseLong(request.getParameter("resume"));
142 new Thread(new Runnable()
143 {
144 public void run()
145 {
146 try
147 {
148 Thread.sleep(resume);
149 }
150 catch (InterruptedException e)
151 {
152 e.printStackTrace();
153 }
154 Continuation continuation = ContinuationSupport.getContinuation(request);
155 continuation.resume();
156 }
157
158 }).start();
159 }
160
161 if (request.getParameter("complete")!=null)
162 {
163 final long complete=Long.parseLong(request.getParameter("complete"));
164 new Thread(new Runnable()
165 {
166 public void run()
167 {
168 try
169 {
170 Thread.sleep(complete);
171 }
172 catch (InterruptedException e)
173 {
174 e.printStackTrace();
175 }
176 try
177 {
178 response.setContentType("text/html");
179 response.getOutputStream().println("<h1>COMPLETED</h1>");
180 Continuation continuation = ContinuationSupport.getContinuation(request);
181 continuation.complete();
182 }
183 catch (IOException e)
184 {
185 e.printStackTrace();
186 }
187 }
188
189 }).start();
190 }
191
192 if (request.getParameter("suspend")!=null && request.getAttribute("SUSPEND")!=Boolean.TRUE)
193 {
194 request.setAttribute("SUSPEND",Boolean.TRUE);
195 try
196 {
197 Continuation continuation = ContinuationSupport.getContinuation(request);
198 continuation.setTimeout(Long.parseLong(request.getParameter("suspend")));
199 continuation.suspend();
200
201 continuation.addContinuationListener(new ContinuationListener()
202 {
203 public void onTimeout(Continuation continuation)
204 {
205 response.addHeader("Dump","onTimeout");
206 try
207 {
208 dump(response,data,chars,block,dribble,flush);
209 continuation.complete();
210 }
211 catch (IOException e)
212 {
213 LOG.ignore(e);
214 }
215 }
216
217 public void onComplete(Continuation continuation)
218 {
219 response.addHeader("Dump","onComplete");
220 }
221 });
222
223 continuation.undispatch();
224 }
225 catch(Exception e)
226 {
227 throw new ServletException(e);
228 }
229 }
230
231 request.setAttribute("Dump", this);
232 getServletContext().setAttribute("Dump",this);
233
234
235
236 String length= request.getParameter("length");
237 if (length != null && length.length() > 0)
238 {
239 response.setContentLength(Integer.parseInt(length));
240 }
241
242
243 if (dump(response,data,chars,block,dribble,flush))
244 return;
245
246
247 String info= request.getPathInfo();
248 if (info != null && info.endsWith("Exception"))
249 {
250 try
251 {
252 throw (Throwable) Thread.currentThread().getContextClassLoader().loadClass(info.substring(1)).newInstance();
253 }
254 catch (Throwable th)
255 {
256 throw new ServletException(th);
257 }
258 }
259
260
261 String reset= request.getParameter("reset");
262 if (reset != null && reset.length() > 0)
263 {
264 response.getOutputStream().println("THIS SHOULD NOT BE SEEN!");
265 response.setHeader("SHOULD_NOT","BE SEEN");
266 response.reset();
267 }
268
269
270
271 String redirect= request.getParameter("redirect");
272 if (redirect != null && redirect.length() > 0)
273 {
274 response.getOutputStream().println("THIS SHOULD NOT BE SEEN!");
275 response.sendRedirect(response.encodeRedirectURL(redirect));
276 try
277 {
278 response.getOutputStream().println("THIS SHOULD NOT BE SEEN!");
279 }
280 catch(IOException e)
281 {
282
283 }
284 return;
285 }
286
287
288 String error= request.getParameter("error");
289 if (error != null && error.length() > 0 && request.getAttribute("javax.servlet.error.status_code")==null)
290 {
291 response.getOutputStream().println("THIS SHOULD NOT BE SEEN!");
292 response.sendError(Integer.parseInt(error));
293 try
294 {
295 response.getOutputStream().println("THIS SHOULD NOT BE SEEN!");
296 }
297 catch(IllegalStateException e)
298 {
299 try
300 {
301 response.getWriter().println("NOR THIS!!");
302 }
303 catch(IOException e2){}
304 }
305 catch(IOException e){}
306 return;
307 }
308
309
310 String headers= request.getParameter("headers");
311 if (headers != null && headers.length() > 0)
312 {
313 long h=Long.parseLong(headers);
314 for (int i=0;i<h;i++)
315 response.addHeader("Header"+i,"Value"+i);
316 }
317
318 String buffer= request.getParameter("buffer");
319 if (buffer != null && buffer.length() > 0)
320 response.setBufferSize(Integer.parseInt(buffer));
321
322 String charset= request.getParameter("charset");
323 if (charset==null)
324 charset="UTF-8";
325 response.setCharacterEncoding(charset);
326 response.setContentType("text/html");
327
328 if (info != null && info.indexOf("Locale/") >= 0)
329 {
330 try
331 {
332 String locale_name= info.substring(info.indexOf("Locale/") + 7);
333 Field f= java.util.Locale.class.getField(locale_name);
334 response.setLocale((Locale)f.get(null));
335 }
336 catch (Exception e)
337 {
338 e.printStackTrace();
339 response.setLocale(Locale.getDefault());
340 }
341 }
342
343 String cn= request.getParameter("cookie");
344 String cv=request.getParameter("cookiev");
345 if (cn!=null && cv!=null)
346 {
347 Cookie cookie= new Cookie(cn, cv);
348 if (request.getParameter("version")!=null)
349 cookie.setVersion(Integer.parseInt(request.getParameter("version")));
350 cookie.setComment("Cookie from dump servlet");
351 response.addCookie(cookie);
352 }
353
354 String pi= request.getPathInfo();
355 if (pi != null && pi.startsWith("/ex"))
356 {
357 OutputStream out= response.getOutputStream();
358 out.write("</H1>This text should be reset</H1>".getBytes());
359 if ("/ex0".equals(pi))
360 throw new ServletException("test ex0", new Throwable());
361 else if ("/ex1".equals(pi))
362 throw new IOException("test ex1");
363 else if ("/ex2".equals(pi))
364 throw new UnavailableException("test ex2");
365 else if (pi.startsWith("/ex3/"))
366 throw new UnavailableException("test ex3",Integer.parseInt(pi.substring(5)));
367 throw new RuntimeException("test");
368 }
369
370 if ("true".equals(request.getParameter("close")))
371 response.setHeader("Connection","close");
372
373 String buffered= request.getParameter("buffered");
374
375 PrintWriter pout=null;
376
377 try
378 {
379 pout =response.getWriter();
380 }
381 catch(IllegalStateException e)
382 {
383 pout=new PrintWriter(new OutputStreamWriter(response.getOutputStream(),charset));
384 }
385 if (buffered!=null)
386 pout = new PrintWriter(new BufferedWriter(pout,Integer.parseInt(buffered)));
387
388 try
389 {
390 pout.write("<html>\n<body>\n");
391 pout.write("<h1>Dump Servlet</h1>\n");
392 pout.write("<table width=\"95%\">");
393 pout.write("<tr>\n");
394 pout.write("<th align=\"right\">getMethod: </th>");
395 pout.write("<td>" + notag(request.getMethod())+"</td>");
396 pout.write("</tr><tr>\n");
397 pout.write("<th align=\"right\">getContentLength: </th>");
398 pout.write("<td>"+Integer.toString(request.getContentLength())+"</td>");
399 pout.write("</tr><tr>\n");
400 pout.write("<th align=\"right\">getContentType: </th>");
401 pout.write("<td>"+notag(request.getContentType())+"</td>");
402 pout.write("</tr><tr>\n");
403 pout.write("<th align=\"right\">getRequestURI: </th>");
404 pout.write("<td>"+notag(request.getRequestURI())+"</td>");
405 pout.write("</tr><tr>\n");
406 pout.write("<th align=\"right\">getRequestURL: </th>");
407 pout.write("<td>"+notag(request.getRequestURL().toString())+"</td>");
408 pout.write("</tr><tr>\n");
409 pout.write("<th align=\"right\">getContextPath: </th>");
410 pout.write("<td>"+request.getContextPath()+"</td>");
411 pout.write("</tr><tr>\n");
412 pout.write("<th align=\"right\">getServletPath: </th>");
413 pout.write("<td>"+notag(request.getServletPath())+"</td>");
414 pout.write("</tr><tr>\n");
415 pout.write("<th align=\"right\">getPathInfo: </th>");
416 pout.write("<td>"+notag(request.getPathInfo())+"</td>");
417 pout.write("</tr><tr>\n");
418 pout.write("<th align=\"right\">getPathTranslated: </th>");
419 pout.write("<td>"+notag(request.getPathTranslated())+"</td>");
420 pout.write("</tr><tr>\n");
421 pout.write("<th align=\"right\">getQueryString: </th>");
422 pout.write("<td>"+notag(request.getQueryString())+"</td>");
423 pout.write("</tr><tr>\n");
424
425 pout.write("<th align=\"right\">getProtocol: </th>");
426 pout.write("<td>"+request.getProtocol()+"</td>");
427 pout.write("</tr><tr>\n");
428 pout.write("<th align=\"right\">getScheme: </th>");
429 pout.write("<td>"+request.getScheme()+"</td>");
430 pout.write("</tr><tr>\n");
431 pout.write("<th align=\"right\">getServerName: </th>");
432 pout.write("<td>"+notag(request.getServerName())+"</td>");
433 pout.write("</tr><tr>\n");
434 pout.write("<th align=\"right\">getServerPort: </th>");
435 pout.write("<td>"+Integer.toString(request.getServerPort())+"</td>");
436 pout.write("</tr><tr>\n");
437 pout.write("<th align=\"right\">getLocalName: </th>");
438 pout.write("<td>"+request.getLocalName()+"</td>");
439 pout.write("</tr><tr>\n");
440 pout.write("<th align=\"right\">getLocalAddr: </th>");
441 pout.write("<td>"+request.getLocalAddr()+"</td>");
442 pout.write("</tr><tr>\n");
443 pout.write("<th align=\"right\">getLocalPort: </th>");
444 pout.write("<td>"+Integer.toString(request.getLocalPort())+"</td>");
445 pout.write("</tr><tr>\n");
446 pout.write("<th align=\"right\">getRemoteUser: </th>");
447 pout.write("<td>"+request.getRemoteUser()+"</td>");
448 pout.write("</tr><tr>\n");
449 pout.write("<th align=\"right\">getUserPrincipal: </th>");
450 pout.write("<td>"+request.getUserPrincipal()+"</td>");
451 pout.write("</tr><tr>\n");
452 pout.write("<th align=\"right\">getRemoteAddr: </th>");
453 pout.write("<td>"+request.getRemoteAddr()+"</td>");
454 pout.write("</tr><tr>\n");
455 pout.write("<th align=\"right\">getRemoteHost: </th>");
456 pout.write("<td>"+request.getRemoteHost()+"</td>");
457 pout.write("</tr><tr>\n");
458 pout.write("<th align=\"right\">getRemotePort: </th>");
459 pout.write("<td>"+request.getRemotePort()+"</td>");
460 pout.write("</tr><tr>\n");
461 pout.write("<th align=\"right\">getRequestedSessionId: </th>");
462 pout.write("<td>"+request.getRequestedSessionId()+"</td>");
463 pout.write("</tr><tr>\n");
464 pout.write("<th align=\"right\">isSecure(): </th>");
465 pout.write("<td>"+request.isSecure()+"</td>");
466
467 pout.write("</tr><tr>\n");
468 pout.write("<th align=\"right\">isUserInRole(admin): </th>");
469 pout.write("<td>"+request.isUserInRole("admin")+"</td>");
470
471 pout.write("</tr><tr>\n");
472 pout.write("<th align=\"right\">getLocale: </th>");
473 pout.write("<td>"+request.getLocale()+"</td>");
474
475 Enumeration locales= request.getLocales();
476 while (locales.hasMoreElements())
477 {
478 pout.write("</tr><tr>\n");
479 pout.write("<th align=\"right\">getLocales: </th>");
480 pout.write("<td>"+locales.nextElement()+"</td>");
481 }
482 pout.write("</tr><tr>\n");
483
484 pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Other HTTP Headers:</big></th>");
485 Enumeration h= request.getHeaderNames();
486 String name;
487 while (h.hasMoreElements())
488 {
489 name= (String)h.nextElement();
490
491 Enumeration h2= request.getHeaders(name);
492 while (h2.hasMoreElements())
493 {
494 String hv= (String)h2.nextElement();
495 pout.write("</tr><tr>\n");
496 pout.write("<th align=\"right\">"+notag(name)+": </th>");
497 pout.write("<td>"+notag(hv)+"</td>");
498 }
499 }
500
501 if ("true".equals(request.getParameter("env")))
502 {
503 pout.write("</tr><tr>\n");
504 pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Environment System-Properties: </big></th>");
505
506 for (Entry<Object, Object> e : System.getProperties().entrySet())
507 {
508 pout.write("</tr><tr>\n");
509 pout.write("<th align=\"right\">" + notag(String.valueOf(e.getKey())) + ": </th>");
510 pout.write("<td>"+notag(String.valueOf(e.getValue()))+"</td>");
511 }
512 }
513
514 pout.write("</tr><tr>\n");
515 pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Request Parameters:</big></th>");
516 h= request.getParameterNames();
517 while (h.hasMoreElements())
518 {
519 name= (String)h.nextElement();
520 pout.write("</tr><tr>\n");
521 pout.write("<th align=\"right\">"+notag(name)+": </th>");
522 pout.write("<td>"+notag(request.getParameter(name))+"</td>");
523 String[] values= request.getParameterValues(name);
524 if (values == null)
525 {
526 pout.write("</tr><tr>\n");
527 pout.write("<th align=\"right\">"+notag(name)+" Values: </th>");
528 pout.write("<td>"+"NULL!"+"</td>");
529 }
530 else if (values.length > 1)
531 {
532 for (int i= 0; i < values.length; i++)
533 {
534 pout.write("</tr><tr>\n");
535 pout.write("<th align=\"right\">"+notag(name)+"["+i+"]: </th>");
536 pout.write("<td>"+notag(values[i])+"</td>");
537 }
538 }
539 }
540
541 pout.write("</tr><tr>\n");
542 pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Cookies:</big></th>");
543 Cookie[] cookies = request.getCookies();
544 for (int i=0; cookies!=null && i<cookies.length;i++)
545 {
546 Cookie cookie = cookies[i];
547
548 pout.write("</tr><tr>\n");
549 pout.write("<th align=\"right\">"+notag(cookie.getName())+": </th>");
550 pout.write("<td>"+notag(cookie.getValue())+"</td>");
551 }
552
553 String content_type=request.getContentType();
554 if (content_type!=null &&
555 !content_type.startsWith("application/x-www-form-urlencoded") &&
556 !content_type.startsWith("multipart/form-data"))
557 {
558 pout.write("</tr><tr>\n");
559 pout.write("<th align=\"left\" valign=\"top\" colspan=\"2\"><big><br/>Content:</big></th>");
560 pout.write("</tr><tr>\n");
561 pout.write("<td><pre>");
562 char[] content= new char[4096];
563 int len;
564 try{
565 Reader in=request.getReader();
566
567 while((len=in.read(content))>=0)
568 pout.write(notag(new String(content,0,len)));
569 }
570 catch(IOException e)
571 {
572 pout.write(e.toString());
573 }
574
575 pout.write("</pre></td>");
576 }
577
578 pout.write("</tr><tr>\n");
579 pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Request Attributes:</big></th>");
580 Enumeration a= request.getAttributeNames();
581 while (a.hasMoreElements())
582 {
583 name= (String)a.nextElement();
584 pout.write("</tr><tr>\n");
585 pout.write("<th align=\"right\" valign=\"top\">"+name.replace("."," .")+": </th>");
586 Object value=request.getAttribute(name);
587 if (value instanceof File)
588 {
589 File file = (File)value;
590 pout.write("<td>"+"<pre>" + file.getName()+" ("+file.length()+" "+new Date(file.lastModified())+ ")</pre>"+"</td>");
591 }
592 else
593 pout.write("<td>"+"<pre>" + toString(request.getAttribute(name)) + "</pre>"+"</td>");
594 }
595 request.setAttribute("org.eclipse.jetty.servlet.MultiPartFilter.files",null);
596
597
598 pout.write("</tr><tr>\n");
599 pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Servlet InitParameters:</big></th>");
600 a= getInitParameterNames();
601 while (a.hasMoreElements())
602 {
603 name= (String)a.nextElement();
604 pout.write("</tr><tr>\n");
605 pout.write("<th align=\"right\">"+name+": </th>");
606 pout.write("<td>"+ toString(getInitParameter(name)) +"</td>");
607 }
608
609 pout.write("</tr><tr>\n");
610 pout.write("<th align=\"left\" colspan=\"2\"><big><br/>ServletContext Misc:</big></th>");
611 pout.write("</tr><tr>\n");
612 pout.write("<th align=\"right\" valign=\"top\">"+"servletContext.getContextPath()"+": </th>");
613 pout.write("<td>"+ getServletContext().getContextPath() + "</td>");
614 pout.write("</tr><tr>\n");
615 pout.write("<th align=\"right\" valign=\"top\">"+"getServletContext().getRealPath(\"/WEB-INF/\")"+": </th>");
616 pout.write("<td>"+ getServletContext().getRealPath("/WEB-INF/") + "</td>");
617 String webinfRealPath = getServletContext().getRealPath("/WEB-INF/");
618 if (webinfRealPath != null)
619 {
620 try
621 {
622 File webInfRealPathFile = new File(webinfRealPath);
623 pout.write("</tr><tr>\n");
624 pout.write("<th align=\"right\" valign=\"top\">"+"new File(getServletContext().getRealPath(\"/WEB-INF/\"))"+": </th>");
625 pout.write("<td>exists()="+ webInfRealPathFile.exists()
626 + "; isFile()="+webInfRealPathFile.isFile()
627 + "; isDirectory()="+webInfRealPathFile.isDirectory()
628 + "; isAbsolute()=" + webInfRealPathFile.isAbsolute()
629 + "; canRead()=" + webInfRealPathFile.canRead()
630 + "; canWrite()=" + webInfRealPathFile.canWrite()
631 +"</td>");
632 if (webInfRealPathFile.exists() && webInfRealPathFile.isDirectory())
633 {
634 File webxml = new File(webInfRealPathFile, "web.xml");
635 pout.write("</tr><tr>\n");
636 pout.write("<th align=\"right\" valign=\"top\">"+"new File(getServletContext().getRealPath(\"/WEB-INF/web.xml\"))"+": </th>");
637 pout.write("<td>exists()="+ webxml.exists()
638 + "; isFile()="+webxml.isFile()
639 + "; isDirectory()="+webxml.isDirectory()
640 + "; isAbsolute()=" + webxml.isAbsolute()
641 + "; canRead()=" + webxml.canRead()
642 + "; canWrite()=" + webxml.canWrite()
643 +"</td>");
644 }
645 }
646 catch (Throwable t)
647 {
648 pout.write("<th align=\"right\" valign=\"top\">"+"Error probing the java.io.File(getServletContext().getRealPath(\"/WEB-INF/\"))"+": </th>");
649 pout.write("<td>"+ t + "</td>");
650 }
651 }
652 pout.write("</tr><tr>\n");
653 pout.write("<th align=\"right\" valign=\"top\">"+"getServletContext().getServerInfo()"+": </th>");
654 pout.write("<td>"+ getServletContext().getServerInfo() + "</td>");
655 pout.write("</tr><tr>\n");
656 pout.write("<th align=\"right\" valign=\"top\">"+"getServletContext().getServletContextName()"+": </th>");
657 pout.write("<td>"+ getServletContext().getServletContextName() + "</td>");
658
659 pout.write("</tr><tr>\n");
660 pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Context InitParameters:</big></th>");
661 a= getServletContext().getInitParameterNames();
662 while (a.hasMoreElements())
663 {
664 name= (String)a.nextElement();
665 pout.write("</tr><tr>\n");
666 pout.write("<th align=\"right\" valign=\"top\">"+name.replace("."," .")+": </th>");
667 pout.write("<td>"+ toString(getServletContext().getInitParameter(name)) + "</td>");
668 }
669
670 pout.write("</tr><tr>\n");
671 pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Context Attributes:</big></th>");
672 a= getServletContext().getAttributeNames();
673 while (a.hasMoreElements())
674 {
675 name= (String)a.nextElement();
676 pout.write("</tr><tr>\n");
677 pout.write("<th align=\"right\" valign=\"top\">"+name.replace("."," .")+": </th>");
678 pout.write("<td>"+"<pre>" + toString(getServletContext().getAttribute(name)) + "</pre>"+"</td>");
679 }
680
681 String res= request.getParameter("resource");
682 if (res != null && res.length() > 0)
683 {
684 pout.write("</tr><tr>\n");
685 pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Get Resource: \""+res+"\"</big></th>");
686
687 pout.write("</tr><tr>\n");
688 pout.write("<th align=\"right\">getServletContext().getContext(...): </th>");
689
690 ServletContext context = getServletContext().getContext(res);
691 pout.write("<td>"+context+"</td>");
692
693 if (context!=null)
694 {
695 String cp=context.getContextPath();
696 if (cp==null || "/".equals(cp))
697 cp="";
698 pout.write("</tr><tr>\n");
699 pout.write("<th align=\"right\">getServletContext().getContext(...),getRequestDispatcher(...): </th>");
700 pout.write("<td>"+getServletContext().getContext(res).getRequestDispatcher(res.substring(cp.length()))+"</td>");
701 }
702
703 pout.write("</tr><tr>\n");
704 pout.write("<th align=\"right\">this.getClass().getResource(...): </th>");
705 pout.write("<td>"+this.getClass().getResource(res)+"</td>");
706
707 pout.write("</tr><tr>\n");
708 pout.write("<th align=\"right\">this.getClass().getClassLoader().getResource(...): </th>");
709 pout.write("<td>"+this.getClass().getClassLoader().getResource(res)+"</td>");
710
711 pout.write("</tr><tr>\n");
712 pout.write("<th align=\"right\">Thread.currentThread().getContextClassLoader().getResource(...): </th>");
713 pout.write("<td>"+Thread.currentThread().getContextClassLoader().getResource(res)+"</td>");
714
715 pout.write("</tr><tr>\n");
716 pout.write("<th align=\"right\">getServletContext().getResource(...): </th>");
717 try{pout.write("<td>"+getServletContext().getResource(res)+"</td>");}
718 catch(Exception e) {pout.write("<td>"+"" +e+"</td>");}
719 }
720
721 pout.write("</tr></table>\n");
722
723
724 pout.write("<h2>Request Wrappers</h2>\n");
725 ServletRequest rw=request;
726 int w=0;
727 while (rw !=null)
728 {
729 pout.write((w++)+": "+rw.getClass().getName()+"<br/>");
730 if (rw instanceof HttpServletRequestWrapper)
731 rw=((HttpServletRequestWrapper)rw).getRequest();
732 else if (rw instanceof ServletRequestWrapper)
733 rw=((ServletRequestWrapper)rw).getRequest();
734 else
735 rw=null;
736 }
737
738
739 pout.write("<h2>Response Wrappers</h2>\n");
740 ServletResponse rsw=response;
741 w=0;
742 while (rsw !=null)
743 {
744 pout.write((w++)+": "+rsw.getClass().getName()+"<br/>");
745 if (rsw instanceof HttpServletResponseWrapper)
746 rsw=((HttpServletResponseWrapper)rsw).getResponse();
747 else if (rsw instanceof ServletResponseWrapper)
748 rsw=((ServletResponseWrapper)rsw).getResponse();
749 else
750 rsw=null;
751 }
752
753 pout.write("<br/>");
754 pout.write("<h2>International Characters (UTF-8)</h2>");
755 pout.write("LATIN LETTER SMALL CAPITAL AE<br/>\n");
756 pout.write("Directly uni encoded(\\u1d01): \u1d01<br/>");
757 pout.write("HTML reference (&AElig;): Æ<br/>");
758 pout.write("Decimal (&#7425;): ᴁ<br/>");
759 pout.write("Javascript unicode (\\u1d01) : <script language='javascript'>document.write(\"\u1d01\");</script><br/>");
760 pout.write("<br/>");
761 pout.write("<h2>Form to generate GET content</h2>");
762 pout.write("<form method=\"GET\" action=\""+response.encodeURL(getURI(request))+"\">");
763 pout.write("TextField: <input type=\"text\" name=\"TextField\" value=\"value\"/><br/>\n");
764 pout.write("<input type=\"submit\" name=\"Action\" value=\"Submit\">");
765 pout.write("</form>");
766
767 pout.write("<br/>");
768
769 pout.write("<h2>Form to generate POST content</h2>");
770 pout.write("<form method=\"POST\" accept-charset=\"utf-8\" action=\""+response.encodeURL(getURI(request))+"\">");
771 pout.write("TextField: <input type=\"text\" name=\"TextField\" value=\"value\"/><br/>\n");
772 pout.write("Select: <select multiple name=\"Select\">\n");
773 pout.write("<option>ValueA</option>");
774 pout.write("<option>ValueB1,ValueB2</option>");
775 pout.write("<option>ValueC</option>");
776 pout.write("</select><br/>");
777 pout.write("<input type=\"submit\" name=\"Action\" value=\"Submit\"><br/>");
778 pout.write("</form>");
779 pout.write("<br/>");
780
781 pout.write("<h2>Form to generate UPLOAD content</h2>");
782 pout.write("<form method=\"POST\" enctype=\"multipart/form-data\" accept-charset=\"utf-8\" action=\""+
783 response.encodeURL(getURI(request))+(request.getQueryString()==null?"":("?"+request.getQueryString()))+
784 "\">");
785 pout.write("TextField: <input type=\"text\" name=\"TextField\" value=\"comment\"/><br/>\n");
786 pout.write("File 1: <input type=\"file\" name=\"file1\" /><br/>\n");
787 pout.write("File 2: <input type=\"file\" name=\"file2\" /><br/>\n");
788 pout.write("<input type=\"submit\" name=\"Action\" value=\"Submit\"><br/>");
789 pout.write("</form>");
790
791 pout.write("<h2>Form to set Cookie</h2>");
792 pout.write("<form method=\"POST\" action=\""+response.encodeURL(getURI(request))+"\">");
793 pout.write("cookie: <input type=\"text\" name=\"cookie\" /><br/>\n");
794 pout.write("value: <input type=\"text\" name=\"cookiev\" /><br/>\n");
795 pout.write("<input type=\"submit\" name=\"Action\" value=\"setCookie\">");
796 pout.write("</form>\n");
797
798 pout.write("<h2>Form to get Resource</h2>");
799 pout.write("<form method=\"POST\" action=\""+response.encodeURL(getURI(request))+"\">");
800 pout.write("resource: <input type=\"text\" name=\"resource\" /><br/>\n");
801 pout.write("<input type=\"submit\" name=\"Action\" value=\"getResource\">");
802 pout.write("</form>\n");
803 }
804 catch (Exception e)
805 {
806 getServletContext().log("dump", e);
807 }
808
809 String lines= request.getParameter("lines");
810 if (lines!=null)
811 {
812 char[] line = "<span>A line of characters. Blah blah blah blah. blooble blooble</span></br>\n".toCharArray();
813 for (int l=Integer.parseInt(lines);l-->0;)
814 {
815 pout.write("<span>"+l+" </span>");
816 pout.write(line);
817 }
818 }
819
820 pout.write("</body>\n</html>\n");
821
822 pout.close();
823
824 if (pi != null)
825 {
826 if ("/ex4".equals(pi))
827 throw new ServletException("test ex4", new Throwable());
828 if ("/ex5".equals(pi))
829 throw new IOException("test ex5");
830 if ("/ex6".equals(pi))
831 throw new UnavailableException("test ex6");
832 }
833
834
835 }
836
837
838
839 @Override
840 public String getServletInfo()
841 {
842 return "Dump Servlet";
843 }
844
845
846 @Override
847 public synchronized void destroy()
848 {
849 }
850
851
852 private String getURI(HttpServletRequest request)
853 {
854 String uri= (String)request.getAttribute("javax.servlet.forward.request_uri");
855 if (uri == null)
856 uri= request.getRequestURI();
857 return uri;
858 }
859
860
861 private static String toString(Object o)
862 {
863 if (o == null)
864 return null;
865
866 try
867 {
868 if (o.getClass().isArray())
869 {
870 StringBuffer sb = new StringBuffer();
871 if (!o.getClass().getComponentType().isPrimitive())
872 {
873 Object[] array= (Object[])o;
874 for (int i= 0; i < array.length; i++)
875 {
876 if (i > 0)
877 sb.append("\n");
878 sb.append(array.getClass().getComponentType().getName());
879 sb.append("[");
880 sb.append(i);
881 sb.append("]=");
882 sb.append(toString(array[i]));
883 }
884 return sb.toString();
885 }
886 else
887 {
888 int length = Array.getLength(o);
889 for (int i=0;i<length;i++)
890 {
891 if (i > 0)
892 sb.append("\n");
893 sb.append(o.getClass().getComponentType().getName());
894 sb.append("[");
895 sb.append(i);
896 sb.append("]=");
897 sb.append(toString(Array.get(o, i)));
898 }
899 return sb.toString();
900 }
901 }
902 else
903 return o.toString();
904 }
905 catch (Exception e)
906 {
907 return e.toString();
908 }
909 }
910
911 private boolean dump(HttpServletResponse response, String data, String chars, String block, String dribble, boolean flush) throws IOException
912 {
913 if (data != null && data.length() > 0)
914 {
915 long d=Long.parseLong(data);
916 int b=(block!=null&&block.length()>0)?Integer.parseInt(block):50;
917 byte[] buf=new byte[b];
918 for (int i=0;i<b;i++)
919 {
920
921 buf[i]=(byte)('0'+(i%10));
922 if (i%10==9)
923 buf[i]=(byte)'\n';
924 }
925 buf[0]='o';
926 OutputStream out=response.getOutputStream();
927 response.setContentType("text/plain");
928 while (d > 0)
929 {
930 if (b==1)
931 {
932 out.write(d%80==0?'\n':'.');
933 d--;
934 }
935 else if (d>=b)
936 {
937 out.write(buf);
938 d=d-b;
939 }
940 else
941 {
942 out.write(buf,0,(int)d);
943 d=0;
944 }
945
946 if (dribble!=null)
947 {
948 out.flush();
949 try
950 {
951 Thread.sleep(Long.parseLong(dribble));
952 }
953 catch (Exception e)
954 {
955 e.printStackTrace();
956 break;
957 }
958 }
959
960 }
961
962 if (flush)
963 out.flush();
964
965 return true;
966 }
967
968
969 if (chars != null && chars.length() > 0)
970 {
971 long d=Long.parseLong(chars);
972 int b=(block!=null&&block.length()>0)?Integer.parseInt(block):50;
973 char[] buf=new char[b];
974 for (int i=0;i<b;i++)
975 {
976 buf[i]=(char)('0'+(i%10));
977 if (i%10==9)
978 buf[i]='\n';
979 }
980 buf[0]='o';
981 response.setContentType("text/plain");
982 PrintWriter out=response.getWriter();
983 while (d > 0 && !out.checkError())
984 {
985 if (b==1)
986 {
987 out.write(d%80==0?'\n':'.');
988 d--;
989 }
990 else if (d>=b)
991 {
992 out.write(buf);
993 d=d-b;
994 }
995 else
996 {
997 out.write(buf,0,(int)d);
998 d=0;
999 }
1000 }
1001 return true;
1002 }
1003 return false;
1004 }
1005
1006 private String notag(String s)
1007 {
1008 if (s==null)
1009 return "null";
1010 s=StringUtil.replace(s,"&","&");
1011 s=StringUtil.replace(s,"<","<");
1012 s=StringUtil.replace(s,">",">");
1013 return s;
1014 }
1015 }