/*

  ORG Usurper is a random value object generator library 

  Copyright (C) 2007  Pierre-Antoine Grégoire

  This library is free software; you can redistribute it and/or

  modify it under the terms of the GNU Lesser General Public

  License as published by the Free Software Foundation; either

  version 2.1 of the License, or (at your option) any later version.

  This library 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

  Lesser General Public License for more details.

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

  License along with this library; if not, write to the Free Software

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

  */

 package org.org.usurper.handlers.basic;

 import java.util.Random;

 import org.org.usurper.handlers.IHandler;

 import org.org.usurper.model.HandledBeanProperty;

 import org.org.usurper.model.HandledConstructorArg;

 /**

  * This type returns a random value of a given enum type.

  * 

  * @author pagregoire

  */

 public final class EnumHandler implements IHandler {

     /**

      * @see org.org.usurper.handlers.IHandler#handle(org.org.usurper.model.HandledBeanProperty)

      */

     public Object handle(HandledBeanProperty handledBeanProperty) {

         return doHandle(handledBeanProperty.getPropertyClass());

     }

     /**

      * @see org.org.usurper.handlers.IHandler#handle(org.org.usurper.model.HandledConstructorArg)

      */

     public Object handle(HandledConstructorArg handledConstructorArg) {

         return doHandle(handledConstructorArg.getConstructorArgClass());

     }

     /**

      * Does the handling for a given class.

      * 

      * @param entityClass

      *            the entity class

      * 

      * @return the object

      */

     private Object doHandle(Class<?> entityClass) {

         Object[] enumValues = entityClass.getEnumConstants();

         int random = new Random().nextInt(enumValues.length);

         return enumValues[random];

     }

 }