/*
    * 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 org.apache.commons.collections.primitives.IntCollection;
  import org.apache.commons.collections.primitives.IntIterator;
  
  /**
   * @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 AbstractCollectionIntCollection implements IntCollection {
      protected AbstractCollectionIntCollection() {
      }
  
      public boolean add(int element) {
          return getCollection().add(new Integer(element));
      }
          
      public boolean addAll(IntCollection c) {
          return getCollection().addAll(IntCollectionCollection.wrap(c));
      }
      
      public void clear() {
          getCollection().clear();
      }
  
      public boolean contains(int element) {
          return getCollection().contains(new Integer(element));
      }
      
      public boolean containsAll(IntCollection c) {
          return getCollection().containsAll(IntCollectionCollection.wrap(c));
      }        
      
      public String toString() {
          return getCollection().toString();
      }
  
      public boolean isEmpty() {
          return getCollection().isEmpty();
      }
      
      /**
       * {@link IteratorIntIterator#wrap wraps} the 
       * {@link java.util.Iterator Iterator}
       * returned by my underlying 
       * {@link Collection Collection}, 
       * if any.
       */
      public IntIterator iterator() {
          return IteratorIntIterator.wrap(getCollection().iterator());
      }
       
      public boolean removeElement(int element) {
          return getCollection().remove(new Integer(element));
      }
      
      public boolean removeAll(IntCollection c) {
          return getCollection().removeAll(IntCollectionCollection.wrap(c));
      }
          
      public boolean retainAll(IntCollection c) {
          return getCollection().retainAll(IntCollectionCollection.wrap(c));
      }
      
      public int size() {
          return getCollection().size();
      }
      
      public int[] toArray() {
          Object[] src = getCollection().toArray();
          int[] dest = new int[src.length];
          for(int i=0;i<src.length;i++) {
              dest[i] = ((Number)(src[i])).intValue();
          }
          return dest;
      }
      
      public int[] toArray(int[] dest) {
          Object[] src = getCollection().toArray();
          if(dest.length < src.length) {
             dest = new int[src.length];
         }
         for(int i=0;i<src.length;i++) {
             dest[i] = ((Number)(src[i])).intValue();
         }
         return dest;
     }
     
     protected abstract Collection getCollection();
     
 }