/*
    * 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.List;
  
  import org.apache.commons.collections.primitives.CharCollection;
  import org.apache.commons.collections.primitives.CharIterator;
  import org.apache.commons.collections.primitives.CharList;
  import org.apache.commons.collections.primitives.CharListIterator;
  
  /**
   *
   * @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 AbstractListCharList extends AbstractCollectionCharCollection implements CharList {
  
      public void add(int index, char element) {
          getList().add(index,new Character(element));
      }
  
      public boolean addAll(int index, CharCollection collection) {
          return getList().addAll(index,CharCollectionCollection.wrap(collection));
      }
  
      public char get(int index) {
          return ((Character)getList().get(index)).charValue();
      }
  
      public int indexOf(char element) {
          return getList().indexOf(new Character(element));
      }
  
      public int lastIndexOf(char element) {
          return getList().lastIndexOf(new Character(element));
      }
  
      /**
       * {@link ListIteratorCharListIterator#wrap wraps} the 
       * {@link CharList CharList} 
       * returned by my underlying 
       * {@link CharListIterator CharListIterator},
       * if any.
       */
      public CharListIterator listIterator() {
          return ListIteratorCharListIterator.wrap(getList().listIterator());
      }
  
      /**
       * {@link ListIteratorCharListIterator#wrap wraps} the 
       * {@link CharList CharList} 
       * returned by my underlying 
       * {@link CharListIterator CharListIterator},
       * if any.
       */
      public CharListIterator listIterator(int index) {
          return ListIteratorCharListIterator.wrap(getList().listIterator(index));
      }
  
      public char removeElementAt(int index) {
          return ((Character)getList().remove(index)).charValue();
      }
  
      public char set(int index, char element) {
          return ((Character)getList().set(index,new Character(element))).charValue();
      }
  
      public CharList subList(int fromIndex, int toIndex) {
          return ListCharList.wrap(getList().subList(fromIndex,toIndex));
      }
  
      public boolean equals(Object obj) {
          if(obj instanceof CharList) {
              CharList that = (CharList)obj;
              if(this == that) {
                  return true;
              } else if(this.size() != that.size()) {
                  return false;            
              } else {
                  CharIterator thisiter = iterator();
                  CharIterator thatiter = that.iterator();
                  while(thisiter.hasNext()) {
                     if(thisiter.next() != thatiter.next()) {
                         return false;
                     }
                 }
                 return true;
             }
         } else {
             return false;
         }
     }
         
     public int hashCode() {
         return getList().hashCode();
     }
     
     final protected Collection getCollection() {
         return getList();
     }
     
     abstract protected List getList();
 }