Example #1
0
 // 给定范围获得随机颜色
 Color getRandColor(int fc, int bc) {
   Random random = new Random();
   if (fc > 255) fc = 255;
   if (bc > 255) bc = 255;
   int r = fc + random.nextInt(bc - fc);
   int g = fc + random.nextInt(bc - fc);
   int b = fc + random.nextInt(bc - fc);
   return new Color(r, g, b);
 }
Example #2
0
  public int getSalt() {
    Random generator = new Random();
    int salt;

    salt = generator.nextInt(1000);

    return salt;
  }
Example #3
0
  public void _jspService(HttpServletRequest request, HttpServletResponse response)
      throws java.io.IOException, ServletException {

    PageContext pageContext = null;
    HttpSession session = null;
    ServletContext application = null;
    ServletConfig config = null;
    JspWriter out = null;
    Object page = this;
    JspWriter _jspx_out = null;
    PageContext _jspx_page_context = null;

    try {
      response.setContentType("image/jpeg");
      pageContext =
          _jspxFactory.getPageContext(
              this, request, response, "/myhtml/errorpage/erroe.jsp", true, 8192, true);
      _jspx_page_context = pageContext;
      application = pageContext.getServletContext();
      config = pageContext.getServletConfig();
      session = pageContext.getSession();
      out = pageContext.getOut();
      _jspx_out = out;

      out.write("\r\n");
      out.write("\r\n");
      out.write('\r');
      out.write('\n');

      // 设置页面不缓存
      response.setHeader("Pragma", "No-cache");
      response.setHeader("Cache-Control", "no-cache");
      response.setDateHeader("Expires", 0);

      //   在内存中创建图象
      int width = 60, height = 20;
      BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);

      //   获取图形上下文
      Graphics g = image.getGraphics();

      // 生成随机类
      Random random = new Random();

      //   设定背景色
      g.setColor(getRandColor(200, 250));
      g.fillRect(0, 0, width, height);

      // 设定字体
      g.setFont(new Font("Times   New   Roman", Font.PLAIN, 18));

      // 画边框
      // g.setColor(new   Color());
      // g.drawRect(0,0,width-1,height-1);

      //   随机产生155条干扰线,使图象中的认证码不易被其它程序探测到
      g.setColor(getRandColor(160, 200));
      for (int i = 0; i < 155; i++) {
        int x = random.nextInt(width);
        int y = random.nextInt(height);
        int xl = random.nextInt(12);
        int yl = random.nextInt(12);
        g.drawLine(x, y, x + xl, y + yl);
      }

      //   取随机产生的认证码(4位数字)
      String sRand = "";
      for (int i = 0; i < 4; i++) {
        String rand = String.valueOf(random.nextInt(10));
        sRand += rand;
        //   将认证码显示到图象中
        g.setColor(
            new Color(
                20 + random.nextInt(110), 20 + random.nextInt(110), 20 + random.nextInt(110)));
        // 调用函数出来的颜色相同,可能是å›
        // ä¸ºç§å­å¤ªæŽ¥è¿‘,所以只能直接生成
        g.drawString(rand, 13 * i + 6, 16);
      }

      //   将认证码存入SESSION
      session.setAttribute("rand", sRand);

      //   图象生效
      g.dispose();

      //   输出图象到页面
      ImageIO.write(image, "JPEG", response.getOutputStream());
      out.clear();
      out = pageContext.pushBody();

    } catch (Throwable t) {
      if (!(t instanceof SkipPageException)) {
        out = _jspx_out;
        if (out != null && out.getBufferSize() != 0)
          try {
            out.clearBuffer();
          } catch (java.io.IOException e) {
          }
        if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
        else log(t.getMessage(), t);
      }
    } finally {
      _jspxFactory.releasePageContext(_jspx_page_context);
    }
  }
  public void _jspService(HttpServletRequest request, HttpServletResponse response)
      throws java.io.IOException, ServletException {

    JspFactory _jspxFactory = null;
    javax.servlet.jsp.PageContext pageContext = null;
    HttpSession session = null;
    ServletContext application = null;
    ServletConfig config = null;
    JspWriter out = null;
    Object page = this;
    JspWriter _jspx_out = null;

    try {
      _jspxFactory = JspFactory.getDefaultFactory();
      response.setContentType("text/html;charset=ISO-8859-1");
      pageContext = _jspxFactory.getPageContext(this, request, response, null, true, 8192, true);
      application = pageContext.getServletContext();
      config = pageContext.getServletConfig();
      session = pageContext.getSession();
      out = pageContext.getOut();
      _jspx_out = out;

      out.write("\r\n\r\n");
      out.write("\r\n\r\n");

      String strIp = (String) request.getParameter("ip");
      String strCommunityString = (String) request.getParameter("cs");
      String strPort = (String) request.getParameter("port");
      String strTimeout = (String) request.getParameter("timeout");
      String strRetries = (String) request.getParameter("retries");
      String strNodeLabel = (String) request.getParameter("node");
      String strNodeId = request.getParameter("nodeId");
      String strFirstTime = (String) request.getParameter("firsttime");
      String strWindowId = (String) request.getParameter("windowid");

      // Create the querier and make the request.
      QueryFactory factory = new QueryFactory();
      Querier querier = (Querier) factory.createQuerier(WinPagePerfSnmpQuerier.QUERIER_NAME);
      DeviceCommunicator deviceCommunicator = new DeviceCommunicator();
      deviceCommunicator.sendQuery(querier, strIp);

      // Error processing
      if (querier.getErrorStatus() == -1) {
        RequestDispatcher rd =
            getServletContext()
                .getRequestDispatcher("/jsp/WTerror-handler.jsp?error=SnmpCommError");
        rd.forward(request, response);
        return;
      }
      if (querier.getErrorStatus() == -2) {
        RequestDispatcher rd =
            getServletContext()
                .getRequestDispatcher("/jsp/WTerror-handler.jsp?error=NoPerfmibSnmpError");
        rd.forward(request, response);
        return;
      }

      if (querier.getErrorStatus() != 0) {
        RequestDispatcher rd =
            getServletContext().getRequestDispatcher("/jsp/WTerror-handler.jsp?error=SnmpError");
        rd.forward(request, response);
        return;
      }

      Map calcs = querier.getCalculations();
      long[] results = (long[]) calcs.get(WinPagePerfSnmpQuerier.PAGE_RESULTS);

      if (results[0] < 0
          || results[1] < 0
          || results[2] < 0
          || results[3] < 0
          || results[4] < 0
          || results[5] < 0
          || results[6] < 0
          || results[7] < 0
          || results[8] < 0
          || results[9] < 0) {
        RequestDispatcher rd =
            getServletContext().getRequestDispatcher("/jsp/WTerror-handler.jsp?error=SnmpError");
        rd.forward(request, response);
        return;
      }

      Vector vPageStats = null;

      if (strFirstTime == null) {
        // Not the first time, so get the previous polled data from the session
        vPageStats = (Vector) session.getAttribute("vPageStats" + strWindowId);
      } else {
        // This is the first time in this JSP, so create the Vector which will contain the
        // polled data
        Random random = new Random();
        strWindowId = String.valueOf(random.nextInt());

        vPageStats = new Vector();
      }

      vPageStats.add(results);
      session.setAttribute("vPageStats" + strWindowId, vPageStats);

      // This random number is used to prevent the brower from caching the IMG tags
      Random random = new Random();
      int randomInt = random.nextInt();

      out.write("\r\n\r\n");
      out.write("<html>\r\n");
      out.write("<head>\r\n  ");
      out.write("<title>WebTelemetry - Graphs | Real-Time | Windows Page Performance Monitoring");
      out.write("</title>\r\n  ");
      out.write("<META HTTP-EQUIV=\"refresh\" CONTENT=\"");
      out.print(WTProperties.getMonitorUIRefreshRate());
      out.write("; URL=");
      out.print(WTTools.getJspURL(request));
      out.write("WTwin-page-monitor.jsp?cs=");
      out.print(URLEncoder.encode(strCommunityString, "UTF-8"));
      out.write("&ip=");
      out.print(strIp);
      out.write("&port=");
      out.print(strPort);
      out.write("&timeout=");
      out.print(strTimeout);
      out.write("&retries=");
      out.print(strRetries);
      out.write("&node=");
      out.print(URLEncoder.encode(strNodeLabel, "UTF-8"));
      out.write("&windowid=");
      out.print(strWindowId);
      out.write("&nodeId=");
      out.print(strNodeId);
      out.write("\">\r\n  ");
      out.write(
          "<link rel=\"stylesheet\" type=\"text/css\" href=\"/wt-portal/css/default.css\" />\r\n  ");
      out.write("<script type=\"text/javascript\" src=\"/wt-portal/javascript/WTtools.js\">");
      out.write("</script>\r\n");
      out.write("</head>\r\n");
      out.write("<body>\r\n");
      String title =
          "Graphs - Real-Time - Windows Page Performance Monitoring for Node: " + strNodeLabel;
      out.write("\r\n");
      request.setAttribute("title", title);
      request.setAttribute("nodeJsp", "/wt-monitor/element/node.jsp?node=" + strNodeId);
      out.write("\r\n");
      /* ----  c:import ---- */
      org.apache.taglibs.standard.tag.el.core.ImportTag _jspx_th_c_import_0 =
          (org.apache.taglibs.standard.tag.el.core.ImportTag)
              _jspx_tagPool_c_import_url_context.get(
                  org.apache.taglibs.standard.tag.el.core.ImportTag.class);
      _jspx_th_c_import_0.setPageContext(pageContext);
      _jspx_th_c_import_0.setParent(null);
      _jspx_th_c_import_0.setContext("/wt-monitor");
      _jspx_th_c_import_0.setUrl("/includes/header.jsp");
      int[] _jspx_push_body_count_c_import_0 = new int[] {0};
      try {
        int _jspx_eval_c_import_0 = _jspx_th_c_import_0.doStartTag();
        if (_jspx_eval_c_import_0 != javax.servlet.jsp.tagext.Tag.SKIP_BODY) {
          if (_jspx_eval_c_import_0 != javax.servlet.jsp.tagext.Tag.EVAL_BODY_INCLUDE) {
            javax.servlet.jsp.tagext.BodyContent _bc = pageContext.pushBody();
            _jspx_push_body_count_c_import_0[0]++;
            out = _bc;
            _jspx_th_c_import_0.setBodyContent(_bc);
            _jspx_th_c_import_0.doInitBody();
          }
          do {
            out.write("\r\n\t");
            if (_jspx_meth_c_param_0(
                _jspx_th_c_import_0, pageContext, _jspx_push_body_count_c_import_0)) return;
            out.write("\r\n\t");
            if (_jspx_meth_c_param_1(
                _jspx_th_c_import_0, pageContext, _jspx_push_body_count_c_import_0)) return;
            out.write("\r\n\t");
            if (_jspx_meth_c_param_2(
                _jspx_th_c_import_0, pageContext, _jspx_push_body_count_c_import_0)) return;
            out.write("\r\n");
            int evalDoAfterBody = _jspx_th_c_import_0.doAfterBody();
            if (evalDoAfterBody != javax.servlet.jsp.tagext.BodyTag.EVAL_BODY_AGAIN) break;
          } while (true);
          if (_jspx_eval_c_import_0 != javax.servlet.jsp.tagext.Tag.EVAL_BODY_INCLUDE)
            out = pageContext.popBody();
          _jspx_push_body_count_c_import_0[0]--;
        }
        if (_jspx_th_c_import_0.doEndTag() == javax.servlet.jsp.tagext.Tag.SKIP_PAGE) return;
      } catch (Throwable _jspx_exception) {
        while (_jspx_push_body_count_c_import_0[0]-- > 0) out = pageContext.popBody();
        _jspx_th_c_import_0.doCatch(_jspx_exception);
      } finally {
        _jspx_th_c_import_0.doFinally();
        _jspx_tagPool_c_import_url_context.reuse(_jspx_th_c_import_0);
      }
      out.write("\t\r\n\t");
      out.write("\r\n");
      out.write("<div align=\"center\">\r\n");
      out.write("<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\r\n\t");
      out.write("<tr>\r\n\t\t");
      out.write("<td align=\"right\">");
      out.write("<IMG SRC=\"");
      out.print(WTTools.getServletURL(request));
      out.write("WTsnmpRealTimeGraphs?chart=winpagefaultchart&random=");
      out.print(randomInt);
      out.write("&windowid=");
      out.print(strWindowId);
      out.write("\" BORDER=0>");
      out.write("</td>\r\n\t\t");
      out.write("<td>");
      out.write(
          "<img src=\"/wt-portal/images/spacers/spacer.gif\" height=\"1\" width=\"20\" border=\"0\" alt=\"WebTelemetry\">");
      out.write("</td>\r\n\t\t");
      out.write("<td>");
      out.write("<IMG SRC=\"");
      out.print(WTTools.getServletURL(request));
      out.write("WTsnmpRealTimeGraphs?chart=winpagefaultseries&random=");
      out.print(randomInt);
      out.write("&windowid=");
      out.print(strWindowId);
      out.write("\" BORDER=0>");
      out.write("</td>\r\n\t");
      out.write("</tr>\r\n\t");
      out.write("<tr>\r\n\t\t");
      out.write("<td align=\"right\">");
      out.write("<IMG SRC=\"");
      out.print(WTTools.getServletURL(request));
      out.write("WTsnmpRealTimeGraphs?chart=winpagenumchart&random=");
      out.print(randomInt);
      out.write("&windowid=");
      out.print(strWindowId);
      out.write("\" BORDER=0>");
      out.write("</td>\r\n\t\t");
      out.write("<td>&nbsp;");
      out.write("</td>\r\n\t\t");
      out.write("<td>");
      out.write("<IMG SRC=\"");
      out.print(WTTools.getServletURL(request));
      out.write("WTsnmpRealTimeGraphs?chart=winpagenumseries&random=");
      out.print(randomInt);
      out.write("&windowid=");
      out.print(strWindowId);
      out.write("\" BORDER=0>");
      out.write("</td>\r\n\t");
      out.write("</tr>\r\n\t");
      out.write("<tr>\r\n\t\t");
      out.write("<td align=\"right\">");
      out.write("<IMG SRC=\"");
      out.print(WTTools.getServletURL(request));
      out.write("WTsnmpRealTimeGraphs?chart=winpagetimeschart&random=");
      out.print(randomInt);
      out.write("&windowid=");
      out.print(strWindowId);
      out.write("\" BORDER=0>");
      out.write("</td>\r\n\t\t");
      out.write("<td>&nbsp;");
      out.write("</td>\r\n\t\t");
      out.write("<td>");
      out.write("<IMG SRC=\"");
      out.print(WTTools.getServletURL(request));
      out.write("WTsnmpRealTimeGraphs?chart=winpagetimesseries&random=");
      out.print(randomInt);
      out.write("&windowid=");
      out.print(strWindowId);
      out.write("\" BORDER=0>");
      out.write("</td>\r\n\t");
      out.write("</tr>\r\n");
      out.write("</table>\r\n");
      out.write("</div>\r\n");
      out.write("<br>\r\n\r\n");
      /* ----  c:import ---- */
      org.apache.taglibs.standard.tag.el.core.ImportTag _jspx_th_c_import_1 =
          (org.apache.taglibs.standard.tag.el.core.ImportTag)
              _jspx_tagPool_c_import_url_context_nobody.get(
                  org.apache.taglibs.standard.tag.el.core.ImportTag.class);
      _jspx_th_c_import_1.setPageContext(pageContext);
      _jspx_th_c_import_1.setParent(null);
      _jspx_th_c_import_1.setContext("/wt-monitor");
      _jspx_th_c_import_1.setUrl("/includes/footer.jsp");
      int[] _jspx_push_body_count_c_import_1 = new int[] {0};
      try {
        int _jspx_eval_c_import_1 = _jspx_th_c_import_1.doStartTag();
        if (_jspx_th_c_import_1.doEndTag() == javax.servlet.jsp.tagext.Tag.SKIP_PAGE) return;
      } catch (Throwable _jspx_exception) {
        while (_jspx_push_body_count_c_import_1[0]-- > 0) out = pageContext.popBody();
        _jspx_th_c_import_1.doCatch(_jspx_exception);
      } finally {
        _jspx_th_c_import_1.doFinally();
        _jspx_tagPool_c_import_url_context_nobody.reuse(_jspx_th_c_import_1);
      }
      out.write("\r\n\t\r\n");
      out.write("</body>\r\n");
      out.write("</html>");
    } catch (Throwable t) {
      out = _jspx_out;
      if (out != null && out.getBufferSize() != 0) out.clearBuffer();
      if (pageContext != null) pageContext.handlePageException(t);
    } finally {
      if (_jspxFactory != null) _jspxFactory.releasePageContext(pageContext);
    }
  }