/*
 * JBoss, a division of Red Hat
 * Copyright 2010, Red Hat Middleware, LLC, and individual
 * contributors as indicated by the @authors tag. See the
 * copyright.txt in the distribution for a full listing of
 * individual contributors.
 *
 * This 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 software 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 software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.gatein.pc.portlet.impl.jsr286.taglib;

import javax.portlet.ResourceURL;
import jakarta.servlet.jsp.tagext.TagData;

/**
 * @author Boleslaw Dawidowicz
 * @version : 0.1 $
 */
public class ResourceURL286TagTEI extends GenerateURL286TagTEI
{

   public boolean isValid(TagData data)
   {
      if (super.isValid(data) &&
         isCacheability(data))
      {
         return true;
      }
      return false;
   }

   public boolean isCacheability(TagData data)
   {
      Object o = data.getAttribute("cacheability");
      if (o != null && o != TagData.REQUEST_TIME_VALUE)
      {
         String s = (String)o;
         // GTNPC-25: note that this change will possibly render previously accepted values in JSPs incorrect
         // these values were wrong and ignored in ResourceURLImpl.setCacheability so were ineffective
         return s.toLowerCase().equals(ResourceURL.FULL) ||
            s.toLowerCase().equals(ResourceURL.PORTLET) ||
            s.toLowerCase().equals(ResourceURL.PAGE);
      }
      else
      {
         return true;
      }
   }
}
