Package org.xulfaces.renderer

Source Code of org.xulfaces.renderer.MessageRenderer

/*
*   xulfaces : bring XUL power to Java
*  
*  Copyright (C) 2005  Olivier SCHMITT
*  This library is free software; you can redistribute it and/or
*  modify it under the terms of the GNU Lesser General Public
*  License as published by the Free Software Foundation; either
*  version 2.1 of the License, or (at your option) any later version.
*
*  This library is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
*  Lesser General Public License for more details.
*
*  You should have received a copy of the GNU Lesser General Public
*  License along with this library; if not, write to the Free Software
*  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/


package org.xulfaces.renderer;

import java.io.IOException;
import java.util.Iterator;

import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;

import org.xulfaces.annotation.faces.RENDERER;
import org.xulfaces.component.MessageComponent;

/**
*
* @author kito31
* @version $Id: MessageRenderer.java,v 1.11 2006/01/08 16:07:40 kito31 Exp $
*/
@RENDERER(kit="XUL_RENDERKIT",family="xul.component.family",type="xul.renderer.Message")
public class MessageRenderer extends XULRenderer {

  public void encodeEnd(FacesContext facesContext, UIComponent component) throws IOException {     
    ResponseWriter responseWriter = facesContext.getResponseWriter();
    MessageComponent  messageComponent = (MessageComponent) component;
    String forId = messageComponent.getFor();
   
    if(forId == null){
      throw new NullPointerException("For is null for MessageComponent !");
    }
   
    responseWriter.startElement("label",component);
    responseWriter.writeAttribute("id",component.getClientId(facesContext),"id");
    StringBuffer stringBuffer = new StringBuffer();
    boolean hasMessages = false;
    Iterator iterator  = facesContext.getMessages(forId);
    while(iterator.hasNext()){
      hasMessages = true;
      FacesMessage facesMessage = (FacesMessage) iterator.next();
      stringBuffer.append(facesMessage.getSummary());
      stringBuffer.append("\n");
    }
    if(hasMessages){
      responseWriter.writeAttribute("class","error",null);
      responseWriter.writeAttribute("value",stringBuffer.toString(),null);
      responseWriter.writeAttribute("tooltiptext",stringBuffer.toString(),null);
    }     
    responseWriter.endElement("label");
  }
 


}
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