/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file 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.aop.array;

import java.util.ArrayList;
import java.util.List;

/**
 * 
 * @author <a href="kabir.khan@jboss.com">Kabir Khan</a>
 * @version $Revision: 1.1 $
 */
public class ArrayReferenceImpl implements ArrayReference
{
   Object root;
   String rootField;
   ArrayList<Integer> nestedArrayIndices;
   
   public ArrayReferenceImpl(Object root, String rootField)
   {
      this.root = root;
      this.rootField = rootField;
   }
   
   public Object getRootObject()
   {
      return root;
   }
   
   public String getRootField()
   {
      return rootField;
   }
   
   public void addNestedArrayIndex(Integer index)
   {
      if (nestedArrayIndices == null)
      {
         nestedArrayIndices = new ArrayList<Integer>();
      }
      nestedArrayIndices.add(index);
   }
   
   public List<Integer> getNestedArrayIndices()
   {
      return nestedArrayIndices;
   }
   
   public String toString()
   {
      StringBuffer sb = new StringBuffer();
      sb.append(root + "." + rootField);
      
      if (nestedArrayIndices != null && nestedArrayIndices.size() > 0)
      {
         for (Integer index : nestedArrayIndices)
         {
            sb.append("[" + index + "]");
         }
      }
      
      return sb.toString();
   }
}
