Java Code Examples for javax.servlet.jsp.tagext.TagSupport#findAncestorWithClass()

@Override
protected final int doStartTagInternal() throws JspException {
	if (this.value != null) {
		// Find the containing EditorAwareTag (e.g. BindTag), if applicable.
		EditorAwareTag tag = (EditorAwareTag) TagSupport.findAncestorWithClass(this, EditorAwareTag.class);
		if (tag == null) {
			throw new JspException("TransformTag can only be used within EditorAwareTag (e.g. BindTag)");
		}

		// OK, let's obtain the editor...
		String result = null;
		PropertyEditor editor = tag.getEditor();
		if (editor != null) {
			// If an editor was found, edit the value.
			editor.setValue(this.value);
			result = editor.getAsText();
		}
		else {
			// Else, just do a toString.
			result = this.value.toString();
		}
		result = htmlEscape(result);
		if (this.var != null) {
			this.pageContext.setAttribute(this.var, result, TagUtils.getScope(this.scope));
		}
		else {
			try {
				// Else, just print it out.
				this.pageContext.getOut().print(result);
			}
			catch (IOException ex) {
				throw new JspException(ex);
			}
		}
	}

	return SKIP_BODY;
}
 

/**
 * When reach the end tag, fire this operation
 * 
 * @see javax.servlet.jsp.tagext.BodyTagSupport#doEndTag()
 */
public int doEndTag( ) throws JspException
{
	// included in viewer tag
	ParamTag paramTag = (ParamTag) TagSupport
			.findAncestorWithClass( this, ParamTag.class );
	if ( paramTag != null )
	{
		if ( bodyContent != null )
		{
			String bodyString = bodyContent.getString( );
			if ( bodyString != null )
			{
				bodyString = bodyString.trim( );
				if ( !"".equals(bodyString) )
				{
					// replace the value attribute with the content, if empty
					if ( param.getValue() == null || "".equals(param.getValue()) )
					{
						param.setValue( bodyString );
					}
				}
			}
		}
		paramTag.addValue( param );
	}
	return super.doEndTag( );
}
 

/**
 * When reach the end tag, fire this operation
 * 
 * @see javax.servlet.jsp.tagext.BodyTagSupport#doEndTag()
 */
public int doEndTag( ) throws JspException
{
	try
	{
		if ( __validate( ) )
		{
			// included in parameterpage tag
			this.requesterTag = (RequesterTag) TagSupport
					.findAncestorWithClass( this, RequesterTag.class );
			if ( requesterTag != null )
			{
				this.viewer = requesterTag.viewer;
				if ( this.viewer.isCustom( ) )
				{
					__beforeEndTag( );
					__process( );
				}
			}
		}
	}
	catch ( Exception e )
	{
		__handleException( e );
	}
	return super.doEndTag( );
}
 

/**
 * When reach the end tag, fire this operation
 * 
 * @see javax.servlet.jsp.tagext.BodyTagSupport#doEndTag()
 */
public int doEndTag( ) throws JspException
{
	if ( param.validate( ) )
	{
		// included in viewer tag
		AbstractViewerTag viewerTag = (AbstractViewerTag) TagSupport
				.findAncestorWithClass( this, AbstractViewerTag.class );
		if ( viewerTag != null )
			viewerTag.addParameter( param );
	}
	return super.doEndTag( );
}
 

/**
 * ${@inheritDoc}
 */
public int doEndTag() throws JspException {
    ListCommand cmd = ListTagUtil.getCurrentCommand(this, pageContext);
    ListTag parent = (ListTag) TagSupport.findAncestorWithClass(this, ListTag.class);
    if (cmd.equals(ListCommand.TBL_ADDONS) && role.equals("header")) {
        renderHeader(parent);
    }
    else if (cmd.equals(ListCommand.BEFORE_RENDER) && role.equals("footer")) {
        renderFooter(parent);
    }
    return TagSupport.EVAL_PAGE;
}
 

/**
 * 
 * @see PortletTag
 */
public int doEndTag() throws JspException {

   // Ensure that the portlet render tag resides within a portlet tag.
   PortletTag parentTag = (PortletTag) TagSupport.findAncestorWithClass(this, PortletTag.class);
   if (parentTag == null) {
      throw new JspException("Portlet render tag may only reside " + "within a pluto:portlet tag.");
   }

   // If the portlet is rendered successfully, print the rendering result.

   try {
      if (parentTag.getStatus() == PortletTag.SUCCESS) {
         StringBuffer buffer = parentTag.getPortalServletResponse().getInternalBuffer().getBuffer();
         pageContext.getOut().print(buffer.toString());
      } else {

         // Otherwise, print the error messages

         List<String> msgs = parentTag.getMessages();

         if (msgs.isEmpty()) {
            pageContext.getOut().print(" Unknown error rendering portlet.");
         } else {

            for (String msg : msgs) {
               pageContext.getOut().print("<p>");
               pageContext.getOut().print(msg);
               pageContext.getOut().print("</p>");
            }
         }
      }
   } catch (IOException ex) {
      throw new JspException(ex);
   }

   // Return.
   return SKIP_BODY;
}
 

@Override
protected final int doStartTagInternal() throws JspException {
	if (this.value != null) {
		// Find the containing EditorAwareTag (e.g. BindTag), if applicable.
		EditorAwareTag tag = (EditorAwareTag) TagSupport.findAncestorWithClass(this, EditorAwareTag.class);
		if (tag == null) {
			throw new JspException("TransformTag can only be used within EditorAwareTag (e.g. BindTag)");
		}

		// OK, let's obtain the editor...
		String result = null;
		PropertyEditor editor = tag.getEditor();
		if (editor != null) {
			// If an editor was found, edit the value.
			editor.setValue(this.value);
			result = editor.getAsText();
		}
		else {
			// Else, just do a toString.
			result = this.value.toString();
		}
		result = htmlEscape(result);
		if (this.var != null) {
			pageContext.setAttribute(this.var, result, TagUtils.getScope(this.scope));
		}
		else {
			try {
				// Else, just print it out.
				pageContext.getOut().print(result);
			}
			catch (IOException ex) {
				throw new JspException(ex);
			}
		}
	}

	return SKIP_BODY;
}
 

@Override
protected final int doStartTagInternal() throws JspException {
	if (this.value != null) {
		// Find the containing EditorAwareTag (e.g. BindTag), if applicable.
		EditorAwareTag tag = (EditorAwareTag) TagSupport.findAncestorWithClass(this, EditorAwareTag.class);
		if (tag == null) {
			throw new JspException("TransformTag can only be used within EditorAwareTag (e.g. BindTag)");
		}

		// OK, let's obtain the editor...
		String result = null;
		PropertyEditor editor = tag.getEditor();
		if (editor != null) {
			// If an editor was found, edit the value.
			editor.setValue(this.value);
			result = editor.getAsText();
		}
		else {
			// Else, just do a toString.
			result = this.value.toString();
		}
		result = htmlEscape(result);
		if (this.var != null) {
			pageContext.setAttribute(this.var, result, TagUtils.getScope(this.scope));
		}
		else {
			try {
				// Else, just print it out.
				pageContext.getOut().print(result);
			}
			catch (IOException ex) {
				throw new JspException(ex);
			}
		}
	}

	return SKIP_BODY;
}
 

/**
 * ${@inheritDoc}
 */
public int doEndTag() throws JspException {
    ListCommand cmd = ListTagUtil.getCurrentCommand(this, pageContext);
    ListTag parent = (ListTag) TagSupport.findAncestorWithClass(this, ListTag.class);
    if (cmd.equals(ListCommand.TBL_ADDONS) && role.equals("header")) {
        renderHeader(parent);
    }
    else if (cmd.equals(ListCommand.BEFORE_RENDER) && role.equals("footer")) {
        renderFooter(parent);
    }
    return TagSupport.EVAL_PAGE;
}
 

@Override
protected final int doStartTagInternal() throws JspException {
	if (this.value != null) {
		// Find the containing EditorAwareTag (e.g. BindTag), if applicable.
		EditorAwareTag tag = (EditorAwareTag) TagSupport.findAncestorWithClass(this, EditorAwareTag.class);
		if (tag == null) {
			throw new JspException("TransformTag can only be used within EditorAwareTag (e.g. BindTag)");
		}

		// OK, let's obtain the editor...
		String result = null;
		PropertyEditor editor = tag.getEditor();
		if (editor != null) {
			// If an editor was found, edit the value.
			editor.setValue(this.value);
			result = editor.getAsText();
		}
		else {
			// Else, just do a toString.
			result = this.value.toString();
		}
		result = htmlEscape(result);
		if (this.var != null) {
			this.pageContext.setAttribute(this.var, result, TagUtils.getScope(this.scope));
		}
		else {
			try {
				// Else, just print it out.
				this.pageContext.getOut().print(result);
			}
			catch (IOException ex) {
				throw new JspException(ex);
			}
		}
	}

	return SKIP_BODY;
}
 

@Override
public int doStartTag() throws JspException {
  NavigatorPageIF contextTag = FrameworkUtils.getContextTag(pageContext);
  if (contextTag == null)
    throw new JspTagException("<webed:form> must be nested"
        + " within a <tolog:context> tag, but no"
        + " <tolog:context> was found.");

  if (TagSupport.findAncestorWithClass(this, FormTag.class) != null)
    throw new JspTagException("<webed:form> cannot be nested");

  HttpServletRequest request = (HttpServletRequest) pageContext.getRequest();

  boolean readonly =
    InteractionELSupport.getBooleanValue(this.readonly, false, pageContext);
  request.setAttribute(Constants.OKS_FORM_READONLY, readonly);

  // put the name of the action group to page scope
  // to allow child tags to access this information
  TagUtils.setActionGroup(pageContext, actiongroup);

  TagUtils.setCurrentFormTag(request, this);

  requestId = TagUtils.createRequestId();

  // -- try to lock variable
  UserIF user = FrameworkUtils.getUser(pageContext);
  if (lockVarname != null) {
    ActionRegistryIF registry = TagUtils.getActionRegistry(pageContext);
    if (registry == null)
      throw new JspException("No action registry! Check actions.xml for " +
                             "errors; see log for details.");
    
    Collection lockColl = InteractionELSupport
        .extendedGetValue(lockVarname, pageContext);

    NamedLockManager lockMan = TagUtils
        .getNamedLockManager(pageContext.getServletContext());
    LockResult lockResult = lockMan.attemptToLock(user, lockColl,
        lockVarname, pageContext.getSession());
    lockVarname = lockResult.getName();
    
    Collection unlockable = lockResult.getUnlockable();
    request.setAttribute(Constants.LOCK_RESULT, lockResult);
    
    if (!unlockable.isEmpty()) {
      logger.warn("Unable to lock contents of variable '" + lockVarname
          + "'." + unlockable);
      // forward to error page if variable is locked
      ActionGroupIF ag = registry.getActionGroup(actiongroup);
      ActionForwardPageIF forwardPage = ag.getLockedForwardPage();
      if (forwardPage != null && forwardPage.getURL() != null) {
        String fwd_url = forwardPage.getURL();
        logger.info("Forward to lock error page: " + fwd_url);
        try {
          ((HttpServletResponse) pageContext.getResponse())
              .sendRedirect(fwd_url);
        } catch (IOException ioe) {
          logger.error("Problem occurred while forwarding: "
              + ioe.getMessage());
          throw new JspException("I/O-Problem while forwarding to '"
              + fwd_url + "': " + ioe);
        }
        return SKIP_PAGE;
      } else {
        logger
            .warn("No forward page found for lock situation. Setting form to be read-only");
        request.setAttribute(Constants.OKS_FORM_READONLY, Boolean.TRUE);
      }
    } else {
      logger.info("Locked contents of variable '" + lockVarname + "'.");
    }
  }

  // register a new action data set
  pageContext.setAttribute(FormTag.REQUEST_ID_ATTRIBUTE_NAME, requestId,
      PageContext.REQUEST_SCOPE);
  TagUtils.createActionDataSet(pageContext);

  return EVAL_BODY_BUFFERED;
}
 

/**
     * Method invoked when the start tag is encountered.
     * @throws JspException  if an error occurs.
     */
    public int doStartTag() throws JspException {
        
        // Ensure that the modeAnchor tag resides within a portlet tag.
        PortletTag parentTag = (PortletTag) TagSupport.findAncestorWithClass(
                this, PortletTag.class);
        if (parentTag == null) {
            throw new JspException("Portlet window controls may only reside "
                    + "within a pluto:portlet tag.");
        }
        
        portletId = parentTag.getPortletId();        
        // Evaluate portlet ID attribute.
        evaluatePortletId();
        
        // Retrieve the portlet window config for the evaluated portlet ID.
        ServletContext servletContext = pageContext.getServletContext();
        DriverConfiguration driverConfig = (DriverConfiguration)
                servletContext.getAttribute(AttributeKeys.DRIVER_CONFIG);

        if (isPortletModeAllowed(driverConfig, portletMode)) {
            // Retrieve the portal environment.
            PortalRequestContext portalEnv = PortalRequestContext.getContext(
                    (HttpServletRequest) pageContext.getRequest());        

            PortalURL portalUrl =  portalEnv.createPortalURL();
            portalUrl.setPortletMode(evaluatedPortletId, new PortletMode(portletMode));

            // Build a string buffer containing the anchor tag
            StringBuffer tag = new StringBuffer();
//            tag.append("<a class=\"" + ToolTips.CSS_CLASS_NAME + "\" href=\"" + portalUrl.toString() + "\">");
//            tag.append("<span class=\"" + portletMode + "\"></span>");
//            tag.append("<span class=\"" + ToolTips.CSS_CLASS_NAME + "\">");
//            tag.append(ToolTips.forMode(new PortletMode(portletMode)));
//            tag.append("</span></a>");
            tag.append("<a title=\"");
            tag.append(ToolTips.forMode(new PortletMode(portletMode)));
            tag.append("\" ");
            tag.append("href=\"" + portalUrl.toString() + "\">");
            tag.append("<span class=\"" + portletMode + "\"></span>");       
            tag.append("</a>");
            // Print the mode anchor tag.
            try {
                JspWriter out = pageContext.getOut();
                out.print(tag.toString());
            } catch (IOException ex) {
                throw new JspException(ex);
            }
        }
        
        
        // Continue to evaluate the tag body.
        return EVAL_BODY_INCLUDE;
    }
 

/**
 * Method invoked when the start tag is encountered. This method retrieves the portlet title and print it to the
 * page.
 * 
 * @see org.apache.pluto.container.services.PortalCallbackService#setTitle(HttpServletRequest, PortletWindow, String)
 * @see org.apache.pluto.driver.services.container.PortalCallbackServiceImpl#setTitle(HttpServletRequest,
 *      PortletWindow, String)
 * 
 * @throws JspException
 */
@SuppressWarnings("unchecked")
public int doStartTag() throws JspException {

   // Ensure that the portlet title tag resides within a portlet tag.
   PortletTag parentTag = (PortletTag) TagSupport.findAncestorWithClass(this, PortletTag.class);
   if (parentTag == null) {
      throw new JspException("Portlet title tag may only reside " + "within a pluto:portlet tag.");
   }

   // Print out the portlet title to page.
   try {

      Map<String, String> titles = (Map<String, String>) pageContext.getRequest().getAttribute(AttributeKeys.PORTLET_TITLE);

      String portletId = parentTag.getEvaluatedPortletId();

      String title = null;
      if (titles != null) {
         title = titles.get(portletId);
      }

      if (title == null) {

         PortletWindowConfig windowConfig = PortletWindowConfig.fromId(portletId);

         try {
            ServletContext servletContext = pageContext.getServletContext();
            DriverConfiguration driverConfig = (DriverConfiguration) servletContext.getAttribute(AttributeKeys.DRIVER_CONFIG);
            PortletConfig config = driverConfig.getPortletConfig(portletId);
            ServletRequest request = pageContext.getRequest();
            Locale defaultLocale = request.getLocale();
            ResourceBundle bundle = config.getResourceBundle(defaultLocale);
            title = bundle.getString("javax.portlet.title");
         } catch (Throwable th) {
            if (LOG.isDebugEnabled()) {
               StringBuilder txt = new StringBuilder(128);
               txt.append("Could not obtain title for: " + windowConfig.getPortletName() + "\n");
               StringWriter sw = new StringWriter();
               PrintWriter pw = new PrintWriter(sw);
               th.printStackTrace(pw);
               pw.flush();
               txt.append(sw.toString());
               LOG.warn(txt.toString());
            }
         }

         if (title == null) {
            title = "[ " + windowConfig.getPortletName() + " ]";
         }
      }

      pageContext.getOut().print(title);
   } catch (IOException ex) {
      throw new JspException(ex);
   }
   return SKIP_BODY;
}
 

/**
 * Creates the portal URL pointing to the current portlet with specified
 * portlet mode and window state, and print the URL to the page.
 * @see PortletTag
 */
public int doStartTag() throws JspException {

    // Ensure that the portlet render tag resides within a portlet tag.
    PortletTag parentTag = (PortletTag) TagSupport.findAncestorWithClass(
            this, PortletTag.class);
    if (parentTag == null) {
        throw new JspException("Portlet window controls may only reside "
                + "within a pluto:portlet tag.");
    }

    // Create portal URL.
    HttpServletRequest request = (HttpServletRequest)
            pageContext.getRequest();

    HttpServletResponse response = (HttpServletResponse)
            pageContext.getResponse();

    PortalRequestContext ctx = PortalRequestContext.getContext(request);

    PortalURL portalUrl =  ctx.createPortalURL();

    // Encode window state of the current portlet in the portal URL.
    String portletId = parentTag.getEvaluatedPortletId();
    if (windowState != null) {
        portalUrl.setWindowState(portletId, new WindowState(windowState));
    }

    // Encode portlet mode of the current portlet in the portal URL.
    if (portletMode != null) {
        portalUrl.setPortletMode(portletId, new PortletMode(portletMode));
    }

    // Print the portal URL as a string to the page.
    try {
        pageContext.getOut().print(response.encodeURL(portalUrl.toString()));
    } catch (IOException ex) {
        throw new JspException(ex);
    }

    // Skip the tag body.
    return SKIP_BODY;
}
 

/**
     * Method invoked when the start tag is encountered.
     * @throws JspException  if an error occurs.
     */
    public int doStartTag() throws JspException {

        // Ensure that the modeAnchor tag resides within a portlet tag.
        PortletTag parentTag = (PortletTag) TagSupport.findAncestorWithClass(
                this, PortletTag.class);
        if (parentTag == null) {
            throw new JspException("Portlet window controls may only reside "
                    + "within a pluto:portlet tag.");
        }

        portletId = parentTag.getPortletId();
        // Evaluate portlet ID attribute.
        evaluatePortletId();

        // Retrieve the portlet window config for the evaluated portlet ID.
        ServletContext servletContext = pageContext.getServletContext();
        DriverConfiguration driverConfig = (DriverConfiguration)
                servletContext.getAttribute(AttributeKeys.DRIVER_CONFIG);

        if (isWindowStateAllowed(driverConfig, state)) {
            // Retrieve the portal environment.
            PortalRequestContext portalEnv = PortalRequestContext.getContext(
                    (HttpServletRequest) pageContext.getRequest());

            PortalURL portalUrl =  portalEnv.createPortalURL();
            portalUrl.setWindowState(evaluatedPortletId, new WindowState(state));

            // Build a string buffer containing the anchor tag
            StringBuffer tag = new StringBuffer();
//            tag.append("<a class=\"" + ToolTips.CSS_CLASS_NAME + "\" href=\"" + portalUrl.toString() + "\">");
//            tag.append("<span class=\"" + state + "\"></span>");
//            tag.append("<span class=\"" + ToolTips.CSS_CLASS_NAME + "\">");
//            tag.append(ToolTips.forWindowState(new WindowState(state)));
//            tag.append("</span></a>");
            tag.append("<a title=\"");
            tag.append(ToolTips.forWindowState(new WindowState(state)));
            tag.append("\" ");
            tag.append("href=\"" + portalUrl.toString() + "\">");
            tag.append("<img border=\"0\" src=\"" + icon + "\" />");
            tag.append("</a>");

            // Print the mode anchor tag.
            try {
                JspWriter out = pageContext.getOut();
                out.print(tag.toString());
            } catch (IOException ex) {
                throw new JspException(ex);
            }
        }


        // Continue to evaluate the tag body.
        return EVAL_BODY_INCLUDE;
    }
 

private boolean isSortable() {
    ListTag parent = (ListTag)
        TagSupport.findAncestorWithClass(this, ListTag.class);
    return sortable && parent.getPageRowCount() > 0;
}
 

private boolean isSortable() {
    ListTag parent = (ListTag)
        TagSupport.findAncestorWithClass(this, ListTag.class);
    return sortable && parent.getPageRowCount() > 0;
}