JBossServletsMetaData.java

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2007, Red Hat Middleware LLC, and individual contributors
 * 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.jboss.metadata.sip.jboss;

import org.jboss.metadata.javaee.support.AbstractMappedMetaData;
import org.jboss.metadata.sip.spec.ServletMetaData;
import org.jboss.metadata.sip.spec.ServletsMetaData;

/**
 * jboss-web/serlvet collection
 * 
 * @author Scott.Stark@jboss.org
 * @version $Revision: 66673 $
 */
public class JBossServletsMetaData
   extends AbstractMappedMetaData<JBossServletMetaData>
{
   private static final long serialVersionUID = 1;

   public static JBossServletsMetaData merge(JBossServletsMetaData override,
         ServletsMetaData original)
   {
      JBossServletsMetaData merged = new JBossServletsMetaData();
      if (override == null && original == null)
         return merged;

      if(original != null)
      {
         for(ServletMetaData smd : ((AbstractMappedMetaData<ServletMetaData>)original))
         {
            String key = smd.getKey();
            if(override != null && override.containsKey(key))
            {
               JBossServletMetaData overrideSMD = override.get(key);
               JBossServletMetaData jbs = overrideSMD.merge(smd);
               merged.add(jbs);
            }
            else
            {
               JBossServletMetaData jbs = new JBossServletMetaData();
               jbs.merge(null, smd);
               merged.add(jbs);
            }
         }
      }
      
      // Process the remaining overrides
      if(override != null)
      {
         for(JBossServletMetaData jbs : override)
         {
            String key = jbs.getKey();
            if(merged.containsKey(key))
               continue;
            merged.add(jbs);
         }
      }

      return merged;
   }

   public JBossServletsMetaData()
   {
      super("jboss-web app servlets");
   }
}