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19 package org.eclipse.jetty.nested;
20
21
22 import java.io.BufferedWriter;
23 import java.io.File;
24 import java.io.IOException;
25 import java.io.OutputStream;
26 import java.io.OutputStreamWriter;
27 import java.io.PrintWriter;
28 import java.io.Reader;
29 import java.lang.reflect.Array;
30 import java.lang.reflect.Field;
31 import java.util.Date;
32 import java.util.Enumeration;
33 import java.util.Locale;
34 import java.util.Map.Entry;
35
36 import javax.servlet.ServletConfig;
37 import javax.servlet.ServletContext;
38 import javax.servlet.ServletException;
39 import javax.servlet.ServletRequest;
40 import javax.servlet.ServletRequestWrapper;
41 import javax.servlet.ServletResponse;
42 import javax.servlet.ServletResponseWrapper;
43 import javax.servlet.UnavailableException;
44 import javax.servlet.http.Cookie;
45 import javax.servlet.http.HttpServlet;
46 import javax.servlet.http.HttpServletRequest;
47 import javax.servlet.http.HttpServletRequestWrapper;
48 import javax.servlet.http.HttpServletResponse;
49 import javax.servlet.http.HttpServletResponseWrapper;
50
51 import org.eclipse.jetty.continuation.Continuation;
52 import org.eclipse.jetty.continuation.ContinuationListener;
53 import org.eclipse.jetty.continuation.ContinuationSupport;
54 import org.eclipse.jetty.http.HttpHeaders;
55 import org.eclipse.jetty.util.StringUtil;
56 import org.eclipse.jetty.util.log.Log;
57 import org.eclipse.jetty.util.log.Logger;
58
59
60
61
62
63
64
65 public class Dump extends HttpServlet
66 {
67 private static final Logger LOG = Log.getLogger(Dump.class);
68
69 boolean fixed;
70
71
72 @Override
73 public void init(ServletConfig config) throws ServletException
74 {
75 super.init(config);
76
77 if (config.getInitParameter("unavailable")!=null && !fixed)
78 {
79
80 fixed=true;
81 throw new UnavailableException("Unavailable test",Integer.parseInt(config.getInitParameter("unavailable")));
82 }
83 }
84
85
86 @Override
87 public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
88 {
89 doGet(request, response);
90 }
91
92
93 @Override
94 public void doGet(final HttpServletRequest request, final HttpServletResponse response) throws ServletException, IOException
95 {
96
97 final String data= request.getParameter("data");
98 final String chars= request.getParameter("chars");
99 final String block= request.getParameter("block");
100 final String dribble= request.getParameter("dribble");
101 final boolean flush= request.getParameter("flush")!=null?Boolean.parseBoolean(request.getParameter("flush")):false;
102
103
104 if(request.getPathInfo()!=null && request.getPathInfo().toLowerCase(Locale.ENGLISH).indexOf("script")!=-1)
105 {
106 response.sendRedirect(response.encodeRedirectURL(getServletContext().getContextPath() + "/dump/info"));
107 return;
108 }
109
110 request.setCharacterEncoding("UTF-8");
111
112 if (request.getParameter("empty")!=null)
113 {
114 response.setStatus(200);
115 response.flushBuffer();
116 return;
117 }
118
119 if (request.getParameter("sleep")!=null)
120 {
121 try
122 {
123 long s = Long.parseLong(request.getParameter("sleep"));
124 if (request.getHeader(HttpHeaders.EXPECT)!=null &&request.getHeader(HttpHeaders.EXPECT).indexOf("102")>=0)
125 {
126 Thread.sleep(s/2);
127 response.sendError(102);
128 Thread.sleep(s/2);
129 }
130 else
131 Thread.sleep(s);
132 }
133 catch (InterruptedException e)
134 {
135 return;
136 }
137 catch (Exception e)
138 {
139 throw new ServletException(e);
140 }
141 }
142
143 if (request.getAttribute("RESUME")==null && request.getParameter("resume")!=null)
144 {
145 request.setAttribute("RESUME",Boolean.TRUE);
146
147 final long resume=Long.parseLong(request.getParameter("resume"));
148 new Thread(new Runnable()
149 {
150 public void run()
151 {
152 try
153 {
154 Thread.sleep(resume);
155 }
156 catch (InterruptedException e)
157 {
158 e.printStackTrace();
159 }
160 Continuation continuation = ContinuationSupport.getContinuation(request);
161 continuation.resume();
162 }
163
164 }).start();
165 }
166
167 if (request.getParameter("complete")!=null)
168 {
169 final long complete=Long.parseLong(request.getParameter("complete"));
170 new Thread(new Runnable()
171 {
172 public void run()
173 {
174 try
175 {
176 Thread.sleep(complete);
177 }
178 catch (InterruptedException e)
179 {
180 e.printStackTrace();
181 }
182 try
183 {
184 response.setContentType("text/html");
185 response.getOutputStream().println("<h1>COMPLETED</h1>");
186 Continuation continuation = ContinuationSupport.getContinuation(request);
187 continuation.complete();
188 }
189 catch (IOException e)
190 {
191 e.printStackTrace();
192 }
193 }
194
195 }).start();
196 }
197
198 if (request.getParameter("suspend")!=null && request.getAttribute("SUSPEND")!=Boolean.TRUE)
199 {
200 request.setAttribute("SUSPEND",Boolean.TRUE);
201 try
202 {
203 Continuation continuation = ContinuationSupport.getContinuation(request);
204 continuation.setTimeout(Long.parseLong(request.getParameter("suspend")));
205 continuation.suspend();
206
207 continuation.addContinuationListener(new ContinuationListener()
208 {
209 public void onTimeout(Continuation continuation)
210 {
211 response.addHeader("Dump","onTimeout");
212 try
213 {
214 dump(response,data,chars,block,dribble,flush);
215 continuation.complete();
216 }
217 catch (IOException e)
218 {
219 LOG.ignore(e);
220 }
221 }
222
223 public void onComplete(Continuation continuation)
224 {
225 response.addHeader("Dump","onComplete");
226 }
227 });
228
229 continuation.undispatch();
230 }
231 catch(Exception e)
232 {
233 throw new ServletException(e);
234 }
235 }
236
237 request.setAttribute("Dump", this);
238 getServletContext().setAttribute("Dump",this);
239
240
241
242 String length= request.getParameter("length");
243 if (length != null && length.length() > 0)
244 {
245 response.setContentLength(Integer.parseInt(length));
246 }
247
248
249 if (dump(response,data,chars,block,dribble,flush))
250 return;
251
252
253 String info= request.getPathInfo();
254 if (info != null && info.endsWith("Exception"))
255 {
256 try
257 {
258 throw (Throwable) Thread.currentThread().getContextClassLoader().loadClass(info.substring(1)).newInstance();
259 }
260 catch (Throwable th)
261 {
262 throw new ServletException(th);
263 }
264 }
265
266
267 String reset= request.getParameter("reset");
268 if (reset != null && reset.length() > 0)
269 {
270 response.getOutputStream().println("THIS SHOULD NOT BE SEEN!");
271 response.setHeader("SHOULD_NOT","BE SEEN");
272 response.reset();
273 }
274
275
276
277 String redirect= request.getParameter("redirect");
278 if (redirect != null && redirect.length() > 0)
279 {
280 response.getOutputStream().println("THIS SHOULD NOT BE SEEN!");
281 response.sendRedirect(response.encodeRedirectURL(redirect));
282 try
283 {
284 response.getOutputStream().println("THIS SHOULD NOT BE SEEN!");
285 }
286 catch(IOException e)
287 {
288
289 }
290 return;
291 }
292
293
294 String error= request.getParameter("error");
295 if (error != null && error.length() > 0 && request.getAttribute("javax.servlet.error.status_code")==null)
296 {
297 response.getOutputStream().println("THIS SHOULD NOT BE SEEN!");
298 response.sendError(Integer.parseInt(error));
299 try
300 {
301 response.getOutputStream().println("THIS SHOULD NOT BE SEEN!");
302 }
303 catch(IllegalStateException e)
304 {
305 try
306 {
307 response.getWriter().println("NOR THIS!!");
308 }
309 catch(IOException e2){}
310 }
311 catch(IOException e){}
312 return;
313 }
314
315
316 String headers= request.getParameter("headers");
317 if (headers != null && headers.length() > 0)
318 {
319 long h=Long.parseLong(headers);
320 for (int i=0;i<h;i++)
321 response.addHeader("Header"+i,"Value"+i);
322 }
323
324 String buffer= request.getParameter("buffer");
325 if (buffer != null && buffer.length() > 0)
326 response.setBufferSize(Integer.parseInt(buffer));
327
328 String charset= request.getParameter("charset");
329 if (charset==null)
330 charset="UTF-8";
331 response.setCharacterEncoding(charset);
332 response.setContentType("text/html");
333
334 if (info != null && info.indexOf("Locale/") >= 0)
335 {
336 try
337 {
338 String locale_name= info.substring(info.indexOf("Locale/") + 7);
339 Field f= java.util.Locale.class.getField(locale_name);
340 response.setLocale((Locale)f.get(null));
341 }
342 catch (Exception e)
343 {
344 e.printStackTrace();
345 response.setLocale(Locale.getDefault());
346 }
347 }
348
349 String cn= request.getParameter("cookie");
350 String cv=request.getParameter("cookiev");
351 if (cn!=null && cv!=null)
352 {
353 Cookie cookie= new Cookie(cn, cv);
354 if (request.getParameter("version")!=null)
355 cookie.setVersion(Integer.parseInt(request.getParameter("version")));
356 cookie.setComment("Cookie from dump servlet");
357 response.addCookie(cookie);
358 }
359
360 String pi= request.getPathInfo();
361 if (pi != null && pi.startsWith("/ex"))
362 {
363 OutputStream out= response.getOutputStream();
364 out.write("</H1>This text should be reset</H1>".getBytes());
365 if ("/ex0".equals(pi))
366 throw new ServletException("test ex0", new Throwable());
367 else if ("/ex1".equals(pi))
368 throw new IOException("test ex1");
369 else if ("/ex2".equals(pi))
370 throw new UnavailableException("test ex2");
371 else if (pi.startsWith("/ex3/"))
372 throw new UnavailableException("test ex3",Integer.parseInt(pi.substring(5)));
373 throw new RuntimeException("test");
374 }
375
376 if ("true".equals(request.getParameter("close")))
377 response.setHeader("Connection","close");
378
379 String buffered= request.getParameter("buffered");
380
381 PrintWriter pout=null;
382
383 try
384 {
385 pout =response.getWriter();
386 }
387 catch(IllegalStateException e)
388 {
389 pout=new PrintWriter(new OutputStreamWriter(response.getOutputStream(),charset));
390 }
391 if (buffered!=null)
392 pout = new PrintWriter(new BufferedWriter(pout,Integer.parseInt(buffered)));
393
394 try
395 {
396 pout.write("<html>\n<body>\n");
397 pout.write("<h1>Dump Servlet</h1>\n");
398 pout.write("<table width=\"95%\">");
399 pout.write("<tr>\n");
400 pout.write("<th align=\"right\">getMethod: </th>");
401 pout.write("<td>" + notag(request.getMethod())+"</td>");
402 pout.write("</tr><tr>\n");
403 pout.write("<th align=\"right\">getContentLength: </th>");
404 pout.write("<td>"+Integer.toString(request.getContentLength())+"</td>");
405 pout.write("</tr><tr>\n");
406 pout.write("<th align=\"right\">getContentType: </th>");
407 pout.write("<td>"+notag(request.getContentType())+"</td>");
408 pout.write("</tr><tr>\n");
409 pout.write("<th align=\"right\">getRequestURI: </th>");
410 pout.write("<td>"+notag(request.getRequestURI())+"</td>");
411 pout.write("</tr><tr>\n");
412 pout.write("<th align=\"right\">getRequestURL: </th>");
413 pout.write("<td>"+notag(request.getRequestURL().toString())+"</td>");
414 pout.write("</tr><tr>\n");
415 pout.write("<th align=\"right\">getContextPath: </th>");
416 pout.write("<td>"+request.getContextPath()+"</td>");
417 pout.write("</tr><tr>\n");
418 pout.write("<th align=\"right\">getServletPath: </th>");
419 pout.write("<td>"+notag(request.getServletPath())+"</td>");
420 pout.write("</tr><tr>\n");
421 pout.write("<th align=\"right\">getPathInfo: </th>");
422 pout.write("<td>"+notag(request.getPathInfo())+"</td>");
423 pout.write("</tr><tr>\n");
424 pout.write("<th align=\"right\">getPathTranslated: </th>");
425 pout.write("<td>"+notag(request.getPathTranslated())+"</td>");
426 pout.write("</tr><tr>\n");
427 pout.write("<th align=\"right\">getQueryString: </th>");
428 pout.write("<td>"+notag(request.getQueryString())+"</td>");
429 pout.write("</tr><tr>\n");
430
431 pout.write("<th align=\"right\">getProtocol: </th>");
432 pout.write("<td>"+request.getProtocol()+"</td>");
433 pout.write("</tr><tr>\n");
434 pout.write("<th align=\"right\">getScheme: </th>");
435 pout.write("<td>"+request.getScheme()+"</td>");
436 pout.write("</tr><tr>\n");
437 pout.write("<th align=\"right\">getServerName: </th>");
438 pout.write("<td>"+notag(request.getServerName())+"</td>");
439 pout.write("</tr><tr>\n");
440 pout.write("<th align=\"right\">getServerPort: </th>");
441 pout.write("<td>"+Integer.toString(request.getServerPort())+"</td>");
442 pout.write("</tr><tr>\n");
443 pout.write("<th align=\"right\">getLocalName: </th>");
444 pout.write("<td>"+request.getLocalName()+"</td>");
445 pout.write("</tr><tr>\n");
446 pout.write("<th align=\"right\">getLocalAddr: </th>");
447 pout.write("<td>"+request.getLocalAddr()+"</td>");
448 pout.write("</tr><tr>\n");
449 pout.write("<th align=\"right\">getLocalPort: </th>");
450 pout.write("<td>"+Integer.toString(request.getLocalPort())+"</td>");
451 pout.write("</tr><tr>\n");
452 pout.write("<th align=\"right\">getRemoteUser: </th>");
453 pout.write("<td>"+request.getRemoteUser()+"</td>");
454 pout.write("</tr><tr>\n");
455 pout.write("<th align=\"right\">getUserPrincipal: </th>");
456 pout.write("<td>"+request.getUserPrincipal()+"</td>");
457 pout.write("</tr><tr>\n");
458 pout.write("<th align=\"right\">getRemoteAddr: </th>");
459 pout.write("<td>"+request.getRemoteAddr()+"</td>");
460 pout.write("</tr><tr>\n");
461 pout.write("<th align=\"right\">getRemoteHost: </th>");
462 pout.write("<td>"+request.getRemoteHost()+"</td>");
463 pout.write("</tr><tr>\n");
464 pout.write("<th align=\"right\">getRemotePort: </th>");
465 pout.write("<td>"+request.getRemotePort()+"</td>");
466 pout.write("</tr><tr>\n");
467 pout.write("<th align=\"right\">getRequestedSessionId: </th>");
468 pout.write("<td>"+request.getRequestedSessionId()+"</td>");
469 pout.write("</tr><tr>\n");
470 pout.write("<th align=\"right\">isSecure(): </th>");
471 pout.write("<td>"+request.isSecure()+"</td>");
472
473 pout.write("</tr><tr>\n");
474 pout.write("<th align=\"right\">isUserInRole(admin): </th>");
475 pout.write("<td>"+request.isUserInRole("admin")+"</td>");
476
477 pout.write("</tr><tr>\n");
478 pout.write("<th align=\"right\">getLocale: </th>");
479 pout.write("<td>"+request.getLocale()+"</td>");
480
481 Enumeration locales= request.getLocales();
482 while (locales.hasMoreElements())
483 {
484 pout.write("</tr><tr>\n");
485 pout.write("<th align=\"right\">getLocales: </th>");
486 pout.write("<td>"+locales.nextElement()+"</td>");
487 }
488 pout.write("</tr><tr>\n");
489
490 pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Other HTTP Headers:</big></th>");
491 Enumeration h= request.getHeaderNames();
492 String name;
493 while (h.hasMoreElements())
494 {
495 name= (String)h.nextElement();
496
497 Enumeration h2= request.getHeaders(name);
498 while (h2.hasMoreElements())
499 {
500 String hv= (String)h2.nextElement();
501 pout.write("</tr><tr>\n");
502 pout.write("<th align=\"right\">"+notag(name)+": </th>");
503 pout.write("<td>"+notag(hv)+"</td>");
504 }
505 }
506
507 if ("true".equals(request.getParameter("env")))
508 {
509 pout.write("</tr><tr>\n");
510 pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Environment System-Properties: </big></th>");
511
512 for (Entry<Object, Object> e : System.getProperties().entrySet())
513 {
514 pout.write("</tr><tr>\n");
515 pout.write("<th align=\"right\">" + notag(String.valueOf(e.getKey())) + ": </th>");
516 pout.write("<td>"+notag(String.valueOf(e.getValue()))+"</td>");
517 }
518 }
519
520 pout.write("</tr><tr>\n");
521 pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Request Parameters:</big></th>");
522 h= request.getParameterNames();
523 while (h.hasMoreElements())
524 {
525 name= (String)h.nextElement();
526 pout.write("</tr><tr>\n");
527 pout.write("<th align=\"right\">"+notag(name)+": </th>");
528 pout.write("<td>"+notag(request.getParameter(name))+"</td>");
529 String[] values= request.getParameterValues(name);
530 if (values == null)
531 {
532 pout.write("</tr><tr>\n");
533 pout.write("<th align=\"right\">"+notag(name)+" Values: </th>");
534 pout.write("<td>"+"NULL!"+"</td>");
535 }
536 else if (values.length > 1)
537 {
538 for (int i= 0; i < values.length; i++)
539 {
540 pout.write("</tr><tr>\n");
541 pout.write("<th align=\"right\">"+notag(name)+"["+i+"]: </th>");
542 pout.write("<td>"+notag(values[i])+"</td>");
543 }
544 }
545 }
546
547 pout.write("</tr><tr>\n");
548 pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Cookies:</big></th>");
549 Cookie[] cookies = request.getCookies();
550 for (int i=0; cookies!=null && i<cookies.length;i++)
551 {
552 Cookie cookie = cookies[i];
553
554 pout.write("</tr><tr>\n");
555 pout.write("<th align=\"right\">"+notag(cookie.getName())+": </th>");
556 pout.write("<td>"+notag(cookie.getValue())+"</td>");
557 }
558
559 String content_type=request.getContentType();
560 if (content_type!=null &&
561 !content_type.startsWith("application/x-www-form-urlencoded") &&
562 !content_type.startsWith("multipart/form-data"))
563 {
564 pout.write("</tr><tr>\n");
565 pout.write("<th align=\"left\" valign=\"top\" colspan=\"2\"><big><br/>Content:</big></th>");
566 pout.write("</tr><tr>\n");
567 pout.write("<td><pre>");
568 char[] content= new char[4096];
569 int len;
570 try{
571 Reader in=request.getReader();
572
573 while((len=in.read(content))>=0)
574 pout.write(notag(new String(content,0,len)));
575 }
576 catch(IOException e)
577 {
578 pout.write(e.toString());
579 }
580
581 pout.write("</pre></td>");
582 }
583
584 pout.write("</tr><tr>\n");
585 pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Request Attributes:</big></th>");
586 Enumeration a= request.getAttributeNames();
587 while (a.hasMoreElements())
588 {
589 name= (String)a.nextElement();
590 pout.write("</tr><tr>\n");
591 pout.write("<th align=\"right\" valign=\"top\">"+name.replace("."," .")+": </th>");
592 Object value=request.getAttribute(name);
593 if (value instanceof File)
594 {
595 File file = (File)value;
596 pout.write("<td>"+"<pre>" + file.getName()+" ("+file.length()+" "+new Date(file.lastModified())+ ")</pre>"+"</td>");
597 }
598 else
599 pout.write("<td>"+"<pre>" + toString(request.getAttribute(name)) + "</pre>"+"</td>");
600 }
601 request.setAttribute("org.eclipse.jetty.servlet.MultiPartFilter.files",null);
602
603
604 pout.write("</tr><tr>\n");
605 pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Servlet InitParameters:</big></th>");
606 a= getInitParameterNames();
607 while (a.hasMoreElements())
608 {
609 name= (String)a.nextElement();
610 pout.write("</tr><tr>\n");
611 pout.write("<th align=\"right\">"+name+": </th>");
612 pout.write("<td>"+ toString(getInitParameter(name)) +"</td>");
613 }
614
615 pout.write("</tr><tr>\n");
616 pout.write("<th align=\"left\" colspan=\"2\"><big><br/>ServletContext Misc:</big></th>");
617 pout.write("</tr><tr>\n");
618 pout.write("<th align=\"right\" valign=\"top\">"+"servletContext.getContextPath()"+": </th>");
619 pout.write("<td>"+ getServletContext().getContextPath() + "</td>");
620 pout.write("</tr><tr>\n");
621 pout.write("<th align=\"right\" valign=\"top\">"+"getServletContext().getRealPath(\"/WEB-INF/\")"+": </th>");
622 pout.write("<td>"+ getServletContext().getRealPath("/WEB-INF/") + "</td>");
623 String webinfRealPath = getServletContext().getRealPath("/WEB-INF/");
624 if (webinfRealPath != null)
625 {
626 try
627 {
628 File webInfRealPathFile = new File(webinfRealPath);
629 pout.write("</tr><tr>\n");
630 pout.write("<th align=\"right\" valign=\"top\">"+"new File(getServletContext().getRealPath(\"/WEB-INF/\"))"+": </th>");
631 pout.write("<td>exists()="+ webInfRealPathFile.exists()
632 + "; isFile()="+webInfRealPathFile.isFile()
633 + "; isDirectory()="+webInfRealPathFile.isDirectory()
634 + "; isAbsolute()=" + webInfRealPathFile.isAbsolute()
635 + "; canRead()=" + webInfRealPathFile.canRead()
636 + "; canWrite()=" + webInfRealPathFile.canWrite()
637 +"</td>");
638 if (webInfRealPathFile.exists() && webInfRealPathFile.isDirectory())
639 {
640 File webxml = new File(webInfRealPathFile, "web.xml");
641 pout.write("</tr><tr>\n");
642 pout.write("<th align=\"right\" valign=\"top\">"+"new File(getServletContext().getRealPath(\"/WEB-INF/web.xml\"))"+": </th>");
643 pout.write("<td>exists()="+ webxml.exists()
644 + "; isFile()="+webxml.isFile()
645 + "; isDirectory()="+webxml.isDirectory()
646 + "; isAbsolute()=" + webxml.isAbsolute()
647 + "; canRead()=" + webxml.canRead()
648 + "; canWrite()=" + webxml.canWrite()
649 +"</td>");
650 }
651 }
652 catch (Throwable t)
653 {
654 pout.write("<th align=\"right\" valign=\"top\">"+"Error probing the java.io.File(getServletContext().getRealPath(\"/WEB-INF/\"))"+": </th>");
655 pout.write("<td>"+ t + "</td>");
656 }
657 }
658 pout.write("</tr><tr>\n");
659 pout.write("<th align=\"right\" valign=\"top\">"+"getServletContext().getServerInfo()"+": </th>");
660 pout.write("<td>"+ getServletContext().getServerInfo() + "</td>");
661 pout.write("</tr><tr>\n");
662 pout.write("<th align=\"right\" valign=\"top\">"+"getServletContext().getServletContextName()"+": </th>");
663 pout.write("<td>"+ getServletContext().getServletContextName() + "</td>");
664
665 pout.write("</tr><tr>\n");
666 pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Context InitParameters:</big></th>");
667 a= getServletContext().getInitParameterNames();
668 while (a.hasMoreElements())
669 {
670 name= (String)a.nextElement();
671 pout.write("</tr><tr>\n");
672 pout.write("<th align=\"right\" valign=\"top\">"+name.replace("."," .")+": </th>");
673 pout.write("<td>"+ toString(getServletContext().getInitParameter(name)) + "</td>");
674 }
675
676 pout.write("</tr><tr>\n");
677 pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Context Attributes:</big></th>");
678 a= getServletContext().getAttributeNames();
679 while (a.hasMoreElements())
680 {
681 name= (String)a.nextElement();
682 pout.write("</tr><tr>\n");
683 pout.write("<th align=\"right\" valign=\"top\">"+name.replace("."," .")+": </th>");
684 pout.write("<td>"+"<pre>" + toString(getServletContext().getAttribute(name)) + "</pre>"+"</td>");
685 }
686
687 String res= request.getParameter("resource");
688 if (res != null && res.length() > 0)
689 {
690 pout.write("</tr><tr>\n");
691 pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Get Resource: \""+res+"\"</big></th>");
692
693 pout.write("</tr><tr>\n");
694 pout.write("<th align=\"right\">getServletContext().getContext(...): </th>");
695
696 ServletContext context = getServletContext().getContext(res);
697 pout.write("<td>"+context+"</td>");
698
699 if (context!=null)
700 {
701 String cp=context.getContextPath();
702 if (cp==null || "/".equals(cp))
703 cp="";
704 pout.write("</tr><tr>\n");
705 pout.write("<th align=\"right\">getServletContext().getContext(...),getRequestDispatcher(...): </th>");
706 pout.write("<td>"+getServletContext().getContext(res).getRequestDispatcher(res.substring(cp.length()))+"</td>");
707 }
708
709 pout.write("</tr><tr>\n");
710 pout.write("<th align=\"right\">this.getClass().getResource(...): </th>");
711 pout.write("<td>"+this.getClass().getResource(res)+"</td>");
712
713 pout.write("</tr><tr>\n");
714 pout.write("<th align=\"right\">this.getClass().getClassLoader().getResource(...): </th>");
715 pout.write("<td>"+this.getClass().getClassLoader().getResource(res)+"</td>");
716
717 pout.write("</tr><tr>\n");
718 pout.write("<th align=\"right\">Thread.currentThread().getContextClassLoader().getResource(...): </th>");
719 pout.write("<td>"+Thread.currentThread().getContextClassLoader().getResource(res)+"</td>");
720
721 pout.write("</tr><tr>\n");
722 pout.write("<th align=\"right\">getServletContext().getResource(...): </th>");
723 try{pout.write("<td>"+getServletContext().getResource(res)+"</td>");}
724 catch(Exception e) {pout.write("<td>"+"" +e+"</td>");}
725 }
726
727 pout.write("</tr></table>\n");
728
729
730 pout.write("<h2>Request Wrappers</h2>\n");
731 ServletRequest rw=request;
732 int w=0;
733 while (rw !=null)
734 {
735 pout.write((w++)+": "+rw.getClass().getName()+"<br/>");
736 if (rw instanceof HttpServletRequestWrapper)
737 rw=((HttpServletRequestWrapper)rw).getRequest();
738 else if (rw instanceof ServletRequestWrapper)
739 rw=((ServletRequestWrapper)rw).getRequest();
740 else
741 rw=null;
742 }
743
744
745 pout.write("<h2>Response Wrappers</h2>\n");
746 ServletResponse rsw=response;
747 w=0;
748 while (rsw !=null)
749 {
750 pout.write((w++)+": "+rsw.getClass().getName()+"<br/>");
751 if (rsw instanceof HttpServletResponseWrapper)
752 rsw=((HttpServletResponseWrapper)rsw).getResponse();
753 else if (rsw instanceof ServletResponseWrapper)
754 rsw=((ServletResponseWrapper)rsw).getResponse();
755 else
756 rsw=null;
757 }
758
759 pout.write("<br/>");
760 pout.write("<h2>International Characters (UTF-8)</h2>");
761 pout.write("LATIN LETTER SMALL CAPITAL AE<br/>\n");
762 pout.write("Directly uni encoded(\\u1d01): \u1d01<br/>");
763 pout.write("HTML reference (&AElig;): Æ<br/>");
764 pout.write("Decimal (&#7425;): ᴁ<br/>");
765 pout.write("Javascript unicode (\\u1d01) : <script language='javascript'>document.write(\"\u1d01\");</script><br/>");
766 pout.write("<br/>");
767 pout.write("<h2>Form to generate GET content</h2>");
768 pout.write("<form method=\"GET\" action=\""+response.encodeURL(getURI(request))+"\">");
769 pout.write("TextField: <input type=\"text\" name=\"TextField\" value=\"value\"/><br/>\n");
770 pout.write("<input type=\"submit\" name=\"Action\" value=\"Submit\">");
771 pout.write("</form>");
772
773 pout.write("<br/>");
774
775 pout.write("<h2>Form to generate POST content</h2>");
776 pout.write("<form method=\"POST\" accept-charset=\"utf-8\" action=\""+response.encodeURL(getURI(request))+"\">");
777 pout.write("TextField: <input type=\"text\" name=\"TextField\" value=\"value\"/><br/>\n");
778 pout.write("Select: <select multiple name=\"Select\">\n");
779 pout.write("<option>ValueA</option>");
780 pout.write("<option>ValueB1,ValueB2</option>");
781 pout.write("<option>ValueC</option>");
782 pout.write("</select><br/>");
783 pout.write("<input type=\"submit\" name=\"Action\" value=\"Submit\"><br/>");
784 pout.write("</form>");
785 pout.write("<br/>");
786
787 pout.write("<h2>Form to generate UPLOAD content</h2>");
788 pout.write("<form method=\"POST\" enctype=\"multipart/form-data\" accept-charset=\"utf-8\" action=\""+
789 response.encodeURL(getURI(request))+(request.getQueryString()==null?"":("?"+request.getQueryString()))+
790 "\">");
791 pout.write("TextField: <input type=\"text\" name=\"TextField\" value=\"comment\"/><br/>\n");
792 pout.write("File 1: <input type=\"file\" name=\"file1\" /><br/>\n");
793 pout.write("File 2: <input type=\"file\" name=\"file2\" /><br/>\n");
794 pout.write("<input type=\"submit\" name=\"Action\" value=\"Submit\"><br/>");
795 pout.write("</form>");
796
797 pout.write("<h2>Form to set Cookie</h2>");
798 pout.write("<form method=\"POST\" action=\""+response.encodeURL(getURI(request))+"\">");
799 pout.write("cookie: <input type=\"text\" name=\"cookie\" /><br/>\n");
800 pout.write("value: <input type=\"text\" name=\"cookiev\" /><br/>\n");
801 pout.write("<input type=\"submit\" name=\"Action\" value=\"setCookie\">");
802 pout.write("</form>\n");
803
804 pout.write("<h2>Form to get Resource</h2>");
805 pout.write("<form method=\"POST\" action=\""+response.encodeURL(getURI(request))+"\">");
806 pout.write("resource: <input type=\"text\" name=\"resource\" /><br/>\n");
807 pout.write("<input type=\"submit\" name=\"Action\" value=\"getResource\">");
808 pout.write("</form>\n");
809 }
810 catch (Exception e)
811 {
812 getServletContext().log("dump", e);
813 }
814
815 String lines= request.getParameter("lines");
816 if (lines!=null)
817 {
818 char[] line = "<span>A line of characters. Blah blah blah blah. blooble blooble</span></br>\n".toCharArray();
819 for (int l=Integer.parseInt(lines);l-->0;)
820 {
821 pout.write("<span>"+l+" </span>");
822 pout.write(line);
823 }
824 }
825
826 pout.write("</body>\n</html>\n");
827
828 pout.close();
829
830 if (pi != null)
831 {
832 if ("/ex4".equals(pi))
833 throw new ServletException("test ex4", new Throwable());
834 if ("/ex5".equals(pi))
835 throw new IOException("test ex5");
836 if ("/ex6".equals(pi))
837 throw new UnavailableException("test ex6");
838 }
839
840
841 }
842
843
844
845 @Override
846 public String getServletInfo()
847 {
848 return "Dump Servlet";
849 }
850
851
852 @Override
853 public synchronized void destroy()
854 {
855 }
856
857
858 private String getURI(HttpServletRequest request)
859 {
860 String uri= (String)request.getAttribute("javax.servlet.forward.request_uri");
861 if (uri == null)
862 uri= request.getRequestURI();
863 return uri;
864 }
865
866
867 private static String toString(Object o)
868 {
869 if (o == null)
870 return null;
871
872 try
873 {
874 if (o.getClass().isArray())
875 {
876 StringBuffer sb = new StringBuffer();
877 if (!o.getClass().getComponentType().isPrimitive())
878 {
879 Object[] array= (Object[])o;
880 for (int i= 0; i < array.length; i++)
881 {
882 if (i > 0)
883 sb.append("\n");
884 sb.append(array.getClass().getComponentType().getName());
885 sb.append("[");
886 sb.append(i);
887 sb.append("]=");
888 sb.append(toString(array[i]));
889 }
890 return sb.toString();
891 }
892 else
893 {
894 int length = Array.getLength(o);
895 for (int i=0;i<length;i++)
896 {
897 if (i > 0)
898 sb.append("\n");
899 sb.append(o.getClass().getComponentType().getName());
900 sb.append("[");
901 sb.append(i);
902 sb.append("]=");
903 sb.append(toString(Array.get(o, i)));
904 }
905 return sb.toString();
906 }
907 }
908 else
909 return o.toString();
910 }
911 catch (Exception e)
912 {
913 return e.toString();
914 }
915 }
916
917 private boolean dump(HttpServletResponse response, String data, String chars, String block, String dribble, boolean flush) throws IOException
918 {
919 if (data != null && data.length() > 0)
920 {
921 long d=Long.parseLong(data);
922 int b=(block!=null&&block.length()>0)?Integer.parseInt(block):50;
923 byte[] buf=new byte[b];
924 for (int i=0;i<b;i++)
925 {
926
927 buf[i]=(byte)('0'+(i%10));
928 if (i%10==9)
929 buf[i]=(byte)'\n';
930 }
931 buf[0]='o';
932 OutputStream out=response.getOutputStream();
933 response.setContentType("text/plain");
934 while (d > 0)
935 {
936 if (b==1)
937 {
938 out.write(d%80==0?'\n':'.');
939 d--;
940 }
941 else if (d>=b)
942 {
943 out.write(buf);
944 d=d-b;
945 }
946 else
947 {
948 out.write(buf,0,(int)d);
949 d=0;
950 }
951
952 if (dribble!=null)
953 {
954 out.flush();
955 try
956 {
957 Thread.sleep(Long.parseLong(dribble));
958 }
959 catch (Exception e)
960 {
961 e.printStackTrace();
962 break;
963 }
964 }
965
966 }
967
968 if (flush)
969 out.flush();
970
971 return true;
972 }
973
974
975 if (chars != null && chars.length() > 0)
976 {
977 long d=Long.parseLong(chars);
978 int b=(block!=null&&block.length()>0)?Integer.parseInt(block):50;
979 char[] buf=new char[b];
980 for (int i=0;i<b;i++)
981 {
982 buf[i]=(char)('0'+(i%10));
983 if (i%10==9)
984 buf[i]='\n';
985 }
986 buf[0]='o';
987 response.setContentType("text/plain");
988 PrintWriter out=response.getWriter();
989 while (d > 0 && !out.checkError())
990 {
991 if (b==1)
992 {
993 out.write(d%80==0?'\n':'.');
994 d--;
995 }
996 else if (d>=b)
997 {
998 out.write(buf);
999 d=d-b;
1000 }
1001 else
1002 {
1003 out.write(buf,0,(int)d);
1004 d=0;
1005 }
1006 }
1007 return true;
1008 }
1009 return false;
1010 }
1011
1012 private String notag(String s)
1013 {
1014 if (s==null)
1015 return "null";
1016 s=StringUtil.replace(s,"&","&");
1017 s=StringUtil.replace(s,"<","<");
1018 s=StringUtil.replace(s,">",">");
1019 return s;
1020 }
1021 }