jsfdeveloperaidservlet.java

来自「RESIN 3.2 最新源码」· Java 代码 · 共 841 行 · 第 1/2 页

          //need view for resolving property bundles.
          context.setViewRoot(uiViewRoot);

          printEvaluated(context,
                         request,
                         out,
                         valueExpression,
                         viewId,
                         phaseId);

          out.println("<br/>");

          out.println("<em><a href=\"" +
                      request.getContextPath() +
                      "/caucho.jsf.developer.aid;jsessionid=" +
                      session.getId() +
                      "?viewId=" + viewId +
                      "&phaseId=" + phaseId + "\">" +
                      "<<< Back" +
                      "</a></em>");

        }
        else if (phaseId == null) {
          out.println("<table>");
          out.println("<thead>");
          out.println(
            "<tr><td colspan=\"2\" align=\"center\"><strong>Snoop</strong></td></tr>");
          out.println(
            "<tr><td><strong>Name</strong></td><td><strong>Value</strong></td></tr>");
          out.println("</thead>");

          out.println("<tbody>");

          //headers
          out.println(
            "<tr><td colspan=\"2\" align=\"center\"><em>Headers</em></td></tr>");

          Map<String, String> headers = snapshot.getHeaderMap();
          for (String header : headers.keySet()) {
            String value = headers.get(header);
            out.println("<tr><td><em>" +
                        header +
                        "</em></td><td><em>" +
                        value +
                        "</em></td></tr>");
          }

          //parameters
          out.println(
            "<tr><td colspan=\"2\" align=\"center\"><em>Parameters</em></td></tr>");

          Map<String, String> parameters = snapshot.getParameterMap();
          for (String parameter : parameters.keySet()) {
            String value = parameters.get(parameter);
            out.println("<tr><td><em>" +
                        parameter +
                        "</em></td><td><em>" +
                        value +
                        "</em></td></tr>");
          }


          out.println("</tbody>");
          out.println("</table>");
        }
        else {
          out.println(" <div id=\"view\">");
          printComponentTree(request, out, viewRoot, null, viewId, phaseId, 0);
          out.println(" </div>");
          //snoop
          out.println(" <table>");
          out.println(" <thead>");
          out.println(
            " <tr><td colspan=\"2\" align=\"center\"><strong>Snoop</strong></td></tr>");
          out.println(
            " <tr><td><strong>Name</strong></td><td><strong>Value</strong></td></tr>");
          out.println(" </thead>");
          out.println(" <tbody>");

          //request
          out.println(
            " <tr><td colspan=\"2\" align=\"center\"><em>Request</em></td></tr>");
          printBeanMap(out, viewRoot.getRequestMap());

          //session
          out.println(
            " <tr><td colspan=\"2\" align=\"center\"><em>Session</em></td></tr>");
          printBeanMap(out, viewRoot.getSessionMap());

          //application
          out.println(
            " <tr><td colspan=\"2\" align=\"center\"><em>Application</em></td></tr>");
          printBeanMap(out, viewRoot.getApplicationMap());

          out.println(" </tbody>");
          out.println(" </table>");
        }
        out.println(" </div>");

        printControls(out, request, session);
        out.println(" </body>");
        out.println("</html>");
      }

      out.flush();
    }
    catch (IOException e) {
      throw e;
    }
    finally {
      if (context != null)
        context.release();

      FacesContext.setCurrentInstance(oldContext);
    }
  }

  private void printBeanMap(PrintWriter out, Map<String, JsfDeveloperAid.Bean> map)
  {
    for (String key : map.keySet()) {
      JsfDeveloperAid.Bean bean = map.get(key);

      if (bean == null) {
        out.println(" <tr><td><em>" +
                    key +
                    "</em></td><td><em>null</em></td></tr>");
      }
      else if (bean.isSimple()) {
        out.println(" <tr><td><em>" +
                    key +
                    "</em></td><td><em>" +
                    bean.getClassName() + '(' + bean.getToString() + ')' +
                    "</em></td></tr>");
      }
      else if (bean.isArray()) {
        out.println(" <tr><td><em>" +
                    key +
                    "</em></td><td><em>" +
                    bean.getClassName() + '[' + bean.getLength() + ']' +
                    "</em></td></tr>");

      }
      else {
        out.print(" <tr><td><em>" +
                  key +
                  "</em></td><td><em>" +
                  bean.getClassName() + '(' + bean.getToString() + ')');
        out.print(": </em>");

        Map<String, String> beanAttributes = bean.getAttributes();

        if (beanAttributes != null) {
          for (String attribute : beanAttributes.keySet()) {
            out.print("<br/>&nbsp;&nbsp;&nbsp;<em>" +
                      attribute +
                      "</em>=");

            String value = beanAttributes.get(attribute);

            if (value == null) {
              out.print("<em>null</em>");
            }
            else {
              out.print("<em>");
              printEscaped(out, value);
              out.print("</em>");
            }
          }
        }
        out.println("</td></tr>");
      }
    }
  }

  private void serveAidMap(Map<String, com.caucho.jsf.dev.JsfDeveloperAid.JsfRequestSnapshot> aidMap,
                           ServletResponse res)
    throws IOException
  {
    res.setContentType("application/x-caucho-jsf-developer-aid");

    Hessian2Output out = new Hessian2Output(res.getOutputStream());

    out.writeObject(aidMap);

    out.flush();
  }


  private void printEvaluated(FacesContext context,
                              HttpServletRequest request,
                              PrintWriter out,
                              String expression,
                              String viewId,
                              String phaseId
  )
    throws UnsupportedEncodingException
  {
    ELContext elContext = context.getELContext();

    ValueExpression valueExpression = context.getApplication()
      .getExpressionFactory()
      .createValueExpression(elContext, expression, Object.class);

    Object obj = valueExpression.getValue(elContext);

    out.print("<strong>");
    out.print(expression);
    out.print("</strong>=");

    if (obj == null) {
      out.println("null");
      out.println("<br/>");
    }
    else {

      if (obj instanceof String
          || obj instanceof Boolean
          || obj instanceof Character
          || obj instanceof Number
          || obj instanceof Date
        ) {
        out.println(obj.toString());
      }
      else {
        out.print("<strong>");
        out.print(obj.getClass().toString());
        out.print("[" + obj.toString() + "]");
        out.println("</strong>");

        Field []fields = obj.getClass().getDeclaredFields();

        out.println("<br/>");
        for (Field field : fields) {
          try {
            field.setAccessible(true);

            Object value = field.get(obj);
            out.print("&nbsp;&nbsp;&nbsp;");

            printAttribute(request,
                           out,
                           field.getName(),
                           String.valueOf(value),
                           viewId,
                           phaseId);

            out.println("<br/>");
          }
          catch (IllegalAccessException e) {
          }
        }
      }

    }
  }

  private void printComponentTree(HttpServletRequest request,
                                  PrintWriter out,
                                  com.caucho.jsf.dev.JsfDeveloperAid.Component component,
                                  String facetName,
                                  String viewId,
                                  String phaseId,
                                  int depth)
    throws UnsupportedEncodingException
  {
    for (int i = 0; i < depth * 3; i++)
      out.print("&nbsp;");

    out.print("&lt;<strong>" + component.getUiComponentClass() + "</strong>");
    printAttribute(request,
                   out,
                   "clientId",
                   component.getClientId(),
                   viewId,
                   phaseId);

    if (component.isValueHolder()) {
      printAttribute(request,
                     out,
                     "value",
                     component.getValue(),
                     viewId,
                     phaseId);
      printAttribute(request,
                     out,
                     "localValue",
                     component.getLocalValue(),
                     viewId, phaseId);
    }

    if (component.isEditableValueHolder())
      printAttribute(request, out, "submittedValue",
                     component.getSubmittedValue(), viewId, phaseId
      );

    if (facetName != null)
      printAttribute(request,
                     out,
                     "enclosingFacet",
                     facetName,
                     viewId,
                     phaseId);

    Map<String, String> attributes = component.getAttributes();
    if (attributes != null)
      for (String attr : attributes.keySet()) {
        String value = attributes.get(attr);

        if (value != null)
          printAttribute(request, out, attr, value, viewId, phaseId);
      }

    out.println("><br/>");

    List<com.caucho.jsf.dev.JsfDeveloperAid.Component> children
      = component.getChildren();
    Map<String, com.caucho.jsf.dev.JsfDeveloperAid.Component> facets = component
      .getFacets();

    if (children != null)
      for (com.caucho.jsf.dev.JsfDeveloperAid.Component child : children)
        printComponentTree(request,
                           out,
                           child,
                           null,
                           viewId,
                           phaseId,
                           depth + 1);

    if (facets != null)
      for (String facet : facets.keySet())
        printComponentTree(request,
                           out,
                           facets.get(facet),
                           facet,
                           viewId,
                           phaseId,
                           depth + 1);

  }

  private void printAttribute(HttpServletRequest request,
                              PrintWriter out,
                              String name,
                              String value,
                              String viewId,
                              String phaseId)
    throws UnsupportedEncodingException
  {
    out.print(' ');
    out.print("<em>" + name);
    out.print("</em>=\"");
    if (value == null)
      out.print("null");
    else if (value.indexOf("#{") > -1 && value.indexOf("}") > -1) {
      out.print("<a href=\"" +
                request.getContextPath() +
                "/caucho.jsf.developer.aid;jsessionid=" +
                request.getSession().getId() +
                "?viewId=" +
                viewId +
                "&phaseId=" +
                phaseId +
                "&valueExpression=" +
                URLEncoder.encode(value, "UTF-8") +
                "\">" +
                value +
                "</a>");
    }
    else
      printEscaped(out, value);

    out.print("\"");
  }

  public void printEscaped(PrintWriter out, String value)
  {
    char []valueChars = value.toCharArray();

    boolean wasSpace = false;

    for (char valueChar : valueChars) {
      switch (valueChar) {
      case ' ':
        wasSpace = true;

        break;
      case '\n':
        if (wasSpace)
          out.print(' ');

        wasSpace = false;
        out.print('\n');

        break;
      case '\r':
        if (wasSpace)
          out.print(' ');

        wasSpace = false;
        out.print('\r');

        break;
      case '<':
        if (wasSpace)
          out.print(' ');
        wasSpace = false;

        out.print("&lt;");
        break;
      default:
        if (wasSpace)
          out.print(' ');

        wasSpace = false;
        out.write(valueChar);
      }
    }
  }
}