/*

     This file is part of Combean.

     Combean is free software; you can redistribute it and/or modify

     it under the terms of the GNU General Public License as published by

     the Free Software Foundation; either version 2 of the License, or

     (at your option) any later version.

     Combean 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 General Public License for more details.

     You should have received a copy of the GNU General Public License

     along with Foobar; if not, write to the Free Software

     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

 package net.sourceforge.combean.util

 /**

  * Iterator with a Closure that is evaluated every time next() is called.

  * 

  * The Closure gets the current value of the Iteration as argument.

  */

 class GIteratorWithAction implements Iterator {

     private Iterator iter;

     private Closure action;

     /**

      * Constructor

      * 

      * @params iter Iterator which controls the iteration process

      * @params action Closure which is called for every next() step

      */

     public GIteratorWithAction(Iterator iter, Closure action) {

         this.iter = iter;

         this.action = action;

     }

     public boolean hasNext() {

         return this.iter.hasNext();

     }

     public Object next() {

         Object result = this.iter.next();

         this.action.call(result);

         return result;

     }

     public void remove() {

         this.iter.remove();

     }

 }