@RequestMapping(value = "/setEditMode.ajax", method = RequestMethod.POST)
  protected void setEditAttachmentMode(HttpServletRequest request, HttpServletResponse response)
      throws Exception {

    String responseText = null;
    AuthRequest ar = null;
    try {
      ar = getLoggedInAuthRequest(request, response, "message.must.be.login");
      String aid = ar.reqParam("aid");
      String pageId = ar.reqParam("pageId");
      String isEditMode = ar.reqParam("editing");

      NGContainer ngp = NGPageIndex.getContainerByKeyOrFail(pageId);
      AttachmentRecord attachment = ngp.findAttachmentByIDOrFail(aid);

      // attachment.clearDeleted();
      if (attachment != null) {
        if (isEditMode.equals("true")) {
          attachment.setEditMode(ar);
        } else {
          attachment.clearEditMode();
        }
        responseText = NGWebUtils.getJSONMessage(Constant.SUCCESS, "", "");
      } else {
        throw new NGException(
            "nugen.exception.no.attachment.found", new Object[] {aid, ngp.getFullName()});
      }
      ngp.saveContent(ar, "Modified attachments");
    } catch (Exception ex) {
      responseText = NGWebUtils.getExceptionMessageForAjaxRequest(ex, ar.getLocale());
      ar.logException("Caught by setEditMode.ajax", ex);
    }
    NGWebUtils.sendResponse(ar, responseText);
  }
  @RequestMapping(value = "/unDeleteAttachment.ajax", method = RequestMethod.POST)
  protected void unDeleteAttachment(HttpServletRequest request, HttpServletResponse response)
      throws Exception {

    String message = "";
    AuthRequest ar = null;
    try {
      ar = getLoggedInAuthRequest(request, response, "message.must.be.login");
      String containerId = ar.reqParam("containerId");
      NGContainer ngc = NGPageIndex.getContainerByKeyOrFail(containerId);
      ar.setPageAccessLevels(ngc);
      String aid = ar.reqParam("aid");
      AttachmentRecord attachment = ngc.findAttachmentByID(aid);
      if (attachment == null) {
        throw new NGException(
            "nugen.exception.no.attachment.found", new Object[] {aid, ngc.getFullName()});
      }
      attachment.clearDeleted();
      message = NGWebUtils.getJSONMessage(Constant.SUCCESS, "", "");
      ngc.saveContent(ar, "Modified attachments");
    } catch (Exception ex) {
      message = NGWebUtils.getExceptionMessageForAjaxRequest(ex, ar.getLocale());
      ar.logException("Caught by getFileAccessName.ajax", ex);
    }
    NGWebUtils.sendResponse(ar, message);
  }
  @RequestMapping(value = "/getDocumentDetail.ajax", method = RequestMethod.POST)
  public void createLeaflet(HttpServletRequest request, HttpServletResponse response)
      throws Exception {
    String responseText = null;
    AuthRequest ar = null;
    try {
      ar = getLoggedInAuthRequest(request, response, "message.must.be.login");
      String aid = ar.reqParam("aid");
      String pageId = ar.reqParam("pageId");

      NGContainer ngp = NGPageIndex.getContainerByKeyOrFail(pageId);
      AttachmentRecord attachment = ngp.findAttachmentByIDOrFail(aid);

      JSONObject paramMap = new JSONObject();
      paramMap.put(Constant.MSG_TYPE, Constant.SUCCESS);
      paramMap.put("aid", aid);
      paramMap.put("description", attachment.getComment());
      paramMap.put("permission", String.valueOf(attachment.getVisibility()));
      paramMap.put("accessName", attachment.getDisplayName());
      responseText = paramMap.toString();
    } catch (Exception ex) {
      responseText = NGWebUtils.getExceptionMessageForAjaxRequest(ex, ar.getLocale());
      ar.logException("Caught by getDocumentDetail.ajax", ex);
    }
    NGWebUtils.sendResponse(ar, responseText);
  }
  @RequestMapping(value = "/{siteId}/{pageId}/createLinkURL.form", method = RequestMethod.POST)
  protected ModelAndView createLinkURL(
      @PathVariable String siteId,
      @PathVariable String pageId,
      HttpServletRequest request,
      HttpServletResponse response)
      throws Exception {
    ModelAndView modelAndView = null;
    try {
      AuthRequest ar = getLoggedInAuthRequest(request, response, "message.can.not.create.link.url");
      NGPage ngp = registerRequiredProject(ar, siteId, pageId);
      ar.assertNotFrozen(ngp);

      String visibility = ar.reqParam("visibility");

      String comment = ar.reqParam("comment");
      String taskUrl = ar.reqParam("taskUrl");
      String ftype = ar.reqParam("ftype");

      AttachmentRecord attachment = ngp.createAttachment();
      String proposedName = taskUrl;

      if (taskUrl.contains("/")) {
        proposedName = taskUrl.substring(taskUrl.lastIndexOf("/") + 1);
      }

      AttachmentHelper.setDisplayName(ngp, attachment, proposedName);

      attachment.setComment(comment);
      attachment.setModifiedBy(ar.getBestUserId());
      attachment.setModifiedDate(ar.nowTime);
      attachment.setType(ftype);
      if (visibility.equals("PUB")) {
        attachment.setVisibility(1);
      } else {
        attachment.setVisibility(2);
      }

      HistoryRecord.createHistoryRecord(
          ngp,
          attachment.getId(),
          HistoryRecord.CONTEXT_TYPE_DOCUMENT,
          ar.nowTime,
          HistoryRecord.EVENT_DOC_ADDED,
          ar,
          "Created Link URL");

      attachment.setStorageFileName(taskUrl);
      ngp.saveFile(ar, "Created Link URL");
      modelAndView = createRedirectView(ar, "attachment.htm");
    } catch (Exception ex) {
      throw new NGException(
          "nugen.operation.fail.project.create.link.url.to.project",
          new Object[] {pageId, siteId},
          ex);
    }
    return modelAndView;
  }