/*
    * Licensed to the Apache Software Foundation (ASF) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * The ASF licenses this file to You under the Apache 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.apache.org/licenses/LICENSE-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.apache.commons.collections.primitives.adapters;
  
  import java.util.Collection;
  import java.util.Iterator;
  import java.util.List;
  import java.util.ListIterator;
  
  import org.apache.commons.collections.primitives.CharCollection;
  import org.apache.commons.collections.primitives.CharList;
  
  /**
   * @since Commons Primitives 1.0
   * @version $Revision: 480462 $ $Date: 2006-11-29 03:15:00 -0500 (Wed, 29 Nov 2006) $
   * @author Rodney Waldhoff 
   */
  abstract class AbstractCharListList extends AbstractCharCollectionCollection implements List {
      
      public void add(int index, Object element) {
          getCharList().add(index,((Character)element).charValue());
      }
  
      public boolean addAll(int index, Collection c) {
          return getCharList().addAll(index,CollectionCharCollection.wrap(c));
      }
  
      public Object get(int index) {
          return new Character(getCharList().get(index));
      }
  
      public int indexOf(Object element) {
          return getCharList().indexOf(((Character)element).charValue());
      }
  
      public int lastIndexOf(Object element) {
          return getCharList().lastIndexOf(((Character)element).charValue());
      }
  
      /**
       * {@link CharListIteratorListIterator#wrap wraps} the 
       * {@link org.apache.commons.collections.primitives.CharListIterator CharListIterator}
       * returned by my underlying 
       * {@link CharList CharList}, 
       * if any.
       */
      public ListIterator listIterator() {
          return CharListIteratorListIterator.wrap(getCharList().listIterator());
      }
  
      /**
       * {@link CharListIteratorListIterator#wrap wraps} the 
       * {@link org.apache.commons.collections.primitives.CharListIterator CharListIterator}
       * returned by my underlying 
       * {@link CharList CharList}, 
       * if any.
       */
      public ListIterator listIterator(int index) {
          return CharListIteratorListIterator.wrap(getCharList().listIterator(index));
      }
  
      public Object remove(int index) {
          return new Character(getCharList().removeElementAt(index));
      }
  
      public Object set(int index, Object element) {
          return new Character(getCharList().set(index, ((Character)element).charValue() ));
      }
  
      public List subList(int fromIndex, int toIndex) {
          return CharListList.wrap(getCharList().subList(fromIndex,toIndex));
      }
  
      public boolean equals(Object obj) {
          if(obj instanceof List) {
              List that = (List)obj;
              if(this == that) {
                  return true;
              } else if(this.size() != that.size()) {
                  return false;            
              } else {
                  Iterator thisiter = iterator();
                  Iterator thatiter = that.iterator();
                  while(thisiter.hasNext()) {
                      Object thiselt = thisiter.next();
                     Object thatelt = thatiter.next();
                     if(null == thiselt ? null != thatelt : !(thiselt.equals(thatelt))) {
                         return false;
                     }
                 }
                 return true;
             }
         } else {
             return false;
         }
     }
 
     public int hashCode() {
         return getCharList().hashCode();
     }
     
     protected final CharCollection getCharCollection() {
         return getCharList();
     }
     
     protected abstract CharList getCharList();
         
 
 }