RosterDisplayHTMLRender.java

/**********************************************************************************
 * $URL: https://source.sakaiproject.org/svn/presence/trunk/presence-api/api/src/java/org/sakaiproject/presence/api/PresenceService.java $
 * $Id: PresenceService.java 7844 2006-04-17 13:06:02Z ggolden@umich.edu $
 ***********************************************************************************
 *
 * Copyright (c) 2005, 2006, 2007, 2008 The Sakai Foundation
 *
 * Licensed under the Educational Community License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.opensource.org/licenses/ECL-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 **********************************************************************************/

package org.sakaiproject.jsf.roster;

import java.io.IOException;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.render.Renderer;

import org.sakaiproject.util.FormattedText;

public class RosterDisplayHTMLRender extends Renderer
{
  public boolean supportsComponentType(UIComponent component)
  {
    return (component instanceof org.sakaiproject.jsf.roster.RosterDisplayHTMLComponent);
  }

  public void encodeBegin(FacesContext context, UIComponent component)
      throws IOException
  {
    if (!component.isRendered()) return;
    ResponseWriter writer = context.getResponseWriter();

    String rawValue = (String) component.getAttributes().get("value");

    //process HTML and strip evil tags.
    String value = FormattedText.processFormattedText(rawValue, new StringBuilder(), true, false);

    if ((value != null) && (!value.equals("")))
    {
      value = value.replaceAll("<strong>", "<b>");
      value = value.replaceAll("</strong>", "</b>");
      writer.write(value);
    }
  }

  public void encodeEnd(FacesContext context, UIComponent component)
      throws IOException
  {

  }
}