private static void showThreads(PrintStream pw, ThreadGroup g, Thread current) {
    int nthreads = g.activeCount();
    pw.println("\nThread Group = " + g.getName() + " activeCount= " + nthreads);
    Thread[] tarray = new Thread[nthreads];
    int n = g.enumerate(tarray, false);

    for (int i = 0; i < n; i++) {
      Thread thread = tarray[i];
      ClassLoader loader = thread.getContextClassLoader();
      String loaderName = (loader == null) ? "Default" : loader.getClass().getName();
      Thread.State state = thread.getState();
      long id = thread.getId();
      pw.print("   " + id + " " + thread.getName() + " " + state + " " + loaderName);
      if (thread == current) pw.println(" **** CURRENT ***");
      else pw.println();
    }

    int ngroups = g.activeGroupCount();
    ThreadGroup[] garray = new ThreadGroup[ngroups];
    int ng = g.enumerate(garray, false);
    for (int i = 0; i < ng; i++) {
      ThreadGroup nested = garray[i];
      showThreads(pw, nested, current);
    }
  }
  public static void showSession(HttpServletRequest req, PrintStream out) {

    // res.setContentType("text/html");

    // Get the current session object, create one if necessary
    HttpSession session = req.getSession();

    out.println("Session id: " + session.getId());
    out.println(" session.isNew(): " + session.isNew());
    out.println(" session.getMaxInactiveInterval(): " + session.getMaxInactiveInterval() + " secs");
    out.println(
        " session.getCreationTime(): "
            + session.getCreationTime()
            + " ("
            + new Date(session.getCreationTime())
            + ")");
    out.println(
        " session.getLastAccessedTime(): "
            + session.getLastAccessedTime()
            + " ("
            + new Date(session.getLastAccessedTime())
            + ")");
    out.println(" req.isRequestedSessionIdFromCookie: " + req.isRequestedSessionIdFromCookie());
    out.println(" req.isRequestedSessionIdFromURL: " + req.isRequestedSessionIdFromURL());
    out.println(" req.isRequestedSessionIdValid: " + req.isRequestedSessionIdValid());

    out.println("Saved session Attributes:");
    Enumeration atts = session.getAttributeNames();
    while (atts.hasMoreElements()) {
      String name = (String) atts.nextElement();
      out.println(" " + name + ": " + session.getAttribute(name) + "<BR>");
    }
  }
  private void sendProcessingError(Throwable t, ServletResponse response) {

    String stackTrace = getStackTrace(t);

    if (stackTrace != null && !stackTrace.equals("")) {

      try {

        response.setContentType("text/html");
        PrintStream ps = new PrintStream(response.getOutputStream());
        PrintWriter pw = new PrintWriter(ps);
        pw.print("<html>\n<head>\n</head>\n<body>\n"); // NOI18N

        // PENDING! Localize this for next official release
        pw.print("<h1>The resource did not process correctly</h1>\n<pre>\n");
        pw.print(stackTrace);
        pw.print("</pre></body>\n</html>"); // NOI18N
        pw.close();
        ps.close();
        response.getOutputStream().close();
        ;
      } catch (Exception ex) {
      }
    } else {
      try {
        PrintStream ps = new PrintStream(response.getOutputStream());
        t.printStackTrace(ps);
        ps.close();
        response.getOutputStream().close();
        ;
      } catch (Exception ex) {
      }
    }
  }
Exemple #4
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  Object evalScript(
      String script,
      StringBuffer scriptOutput,
      boolean captureOutErr,
      HttpServletRequest request,
      HttpServletResponse response)
      throws EvalError {
    // Create a PrintStream to capture output
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    PrintStream pout = new PrintStream(baos);

    // Create an interpreter instance with a null inputstream,
    // the capture out/err stream, non-interactive
    Interpreter bsh = new Interpreter(null, pout, pout, false);

    // set up interpreter
    bsh.set("bsh.httpServletRequest", request);
    bsh.set("bsh.httpServletResponse", response);

    // Eval the text, gathering the return value or any error.
    Object result = null;
    String error = null;
    PrintStream sout = System.out;
    PrintStream serr = System.err;
    if (captureOutErr) {
      System.setOut(pout);
      System.setErr(pout);
    }
    try {
      // Eval the user text
      result = bsh.eval(script);
    } finally {
      if (captureOutErr) {
        System.setOut(sout);
        System.setErr(serr);
      }
    }
    pout.flush();
    scriptOutput.append(baos.toString());
    return result;
  }
  public static void showServerInfo(PrintStream out) {
    out.println("Server Info");
    out.println(
        " getDocumentBuilderFactoryVersion(): "
            + XMLEntityResolver.getDocumentBuilderFactoryVersion());
    out.println();

    Properties sysp = System.getProperties();
    Enumeration e = sysp.propertyNames();
    List<String> list = Collections.list(e);
    Collections.sort(list);

    out.println("System Properties:");
    for (String name : list) {
      String value = System.getProperty(name);
      out.println("  " + name + " = " + value);
    }
    out.println();
  }
  public static void showServletInfo(HttpServlet servlet, PrintStream out) {
    out.println("Servlet Info");
    out.println(" getServletName(): " + servlet.getServletName());
    out.println(" getRootPath(): " + getRootPath());
    out.println(" Init Parameters:");
    Enumeration params = servlet.getInitParameterNames();
    while (params.hasMoreElements()) {
      String name = (String) params.nextElement();
      out.println("  " + name + ": " + servlet.getInitParameter(name));
    }
    out.println();

    ServletContext context = servlet.getServletContext();
    out.println("Context Info");

    try {
      out.println(" context.getResource('/'): " + context.getResource("/"));
    } catch (java.net.MalformedURLException e) {
    } // cant happen
    out.println(" context.getServerInfo(): " + context.getServerInfo());
    out.println("  name: " + getServerInfoName(context.getServerInfo()));
    out.println("  version: " + getServerInfoVersion(context.getServerInfo()));

    out.println(" context.getInitParameterNames():");
    params = context.getInitParameterNames();
    while (params.hasMoreElements()) {
      String name = (String) params.nextElement();
      out.println("  " + name + ": " + context.getInitParameter(name));
    }

    out.println(" context.getAttributeNames():");
    params = context.getAttributeNames();
    while (params.hasMoreElements()) {
      String name = (String) params.nextElement();
      out.println("  context.getAttribute(\"" + name + "\"): " + context.getAttribute(name));
    }

    out.println();
  }
  public static void showSession(HttpServletRequest req, HttpServletResponse res, PrintStream out) {

    // res.setContentType("text/html");

    // Get the current session object, create one if necessary
    HttpSession session = req.getSession();

    // Increment the hit count for this page. The value is saved
    // in this client's session under the name "snoop.count".
    Integer count = (Integer) session.getAttribute("snoop.count");
    if (count == null) {
      count = 1;
    } else count = count + 1;
    session.setAttribute("snoop.count", count);

    out.println(HtmlWriter.getInstance().getHtmlDoctypeAndOpenTag());
    out.println("<HEAD><TITLE>SessionSnoop</TITLE></HEAD>");
    out.println("<BODY><H1>Session Snoop</H1>");

    // Display the hit count for this page
    out.println(
        "You've visited this page " + count + ((!(count.intValue() != 1)) ? " time." : " times."));

    out.println("<P>");

    out.println("<H3>Here is your saved session data:</H3>");
    Enumeration atts = session.getAttributeNames();
    while (atts.hasMoreElements()) {
      String name = (String) atts.nextElement();
      out.println(name + ": " + session.getAttribute(name) + "<BR>");
    }

    out.println("<H3>Here are some vital stats on your session:</H3>");
    out.println("Session id: " + session.getId() + " <I>(keep it secret)</I><BR>");
    out.println("New session: " + session.isNew() + "<BR>");
    out.println("Timeout: " + session.getMaxInactiveInterval());
    out.println("<I>(" + session.getMaxInactiveInterval() / 60 + " minutes)</I><BR>");
    out.println("Creation time: " + session.getCreationTime());
    out.println("<I>(" + new Date(session.getCreationTime()) + ")</I><BR>");
    out.println("Last access time: " + session.getLastAccessedTime());
    out.println("<I>(" + new Date(session.getLastAccessedTime()) + ")</I><BR>");

    out.println(
        "Requested session ID from cookie: " + req.isRequestedSessionIdFromCookie() + "<BR>");
    out.println("Requested session ID from URL: " + req.isRequestedSessionIdFromURL() + "<BR>");
    out.println("Requested session ID valid: " + req.isRequestedSessionIdValid() + "<BR>");

    out.println("<H3>Test URL Rewriting</H3>");
    out.println("Click <A HREF=\"" + res.encodeURL(req.getRequestURI()) + "\">here</A>");
    out.println("to test that session tracking works via URL");
    out.println("rewriting even when cookies aren't supported.");

    out.println("</BODY></HTML>");
  }