/*

  * 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.myfaces.view.facelets.tag.jstl.core;

 import java.io.Serializable;

 import java.util.ArrayList;

 import java.util.Iterator;

 import java.util.List;

 /**

  * Holds the iteration state generated by c:forEach tag.

  */

 public class IterationState implements Serializable

 {

     /**

      * This counter is used to generate an unique base per element

      * in the collection that will be used later in the id

      * generation algorithm.

      */

     private int counter;

     private List<Object[]> valueList;

     public IterationState()

     {

         this.valueList = new ArrayList<Object[]>();

     }

     /**

      * @return the valueList

      */

     public List<Object[]> getValueList()

     {

         return valueList;

     }

     /**

      * @param valueList the valueList to set

      */

     public void setValueList(List<Object[]> valueList)

     {

         this.valueList = valueList;

     }

     /**

      * @return the counter

      */

     public int getCounter()

     {

         return counter;

     }

     /**

      * @param counter the counter to set

      */

     public void setCounter(int counter)

     {

         this.counter = counter;

     }

     public Iterator getIterator()

     {

         return new IteratorWrapper(valueList.iterator());

     }

     private static class IteratorWrapper implements Iterator

     {

         private Iterator<Object[]> delegate;

         public IteratorWrapper(Iterator<Object[]> delegate)

         {

             this.delegate = delegate;

         }

         @Override

         public boolean hasNext()

         {

             return delegate.hasNext();

         }

         @Override

         public Object next()

         {

             return delegate.next()[1];

         }

         @Override

         public void remove()

         {

             delegate.remove();

         }

     }

 }