/**

  * Distribution License:

  * JSword is free software; you can redistribute it and/or modify it under

  * the terms of the GNU Lesser General Public License, version 2.1 or later

  * as published by the Free Software Foundation. This program 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.

  *

  * The License is available on the internet at:

  *       http://www.gnu.org/copyleft/lgpl.html

  * or by writing to:

  *      Free Software Foundation, Inc.

  *      59 Temple Place - Suite 330

  *      Boston, MA 02111-1307, USA

  *

  * © CrossWire Bible Society, 2005 - 2016

  *

  */

 package org.crosswire.common.config;

 import java.util.Iterator;

 import java.util.Map;

 import java.util.ResourceBundle;

 import java.util.TreeMap;

 import org.jdom2.Element;

 /**

  * A class to convert between strings and objects of a type.

  * 

  * @see gnu.lgpl.License The GNU Lesser General Public License for details.

  * @author Joe Walker

  * @author DM Smith

  */

 public class IntOptionsChoice extends AbstractReflectedChoice implements MappedChoice<Integer, String> {

     /*

      * (non-Javadoc)

      * 

      * @see org.crosswire.common.config.Choice#init(org.jdom2.Element)

      */

     @Override

     public void init(Element option, ResourceBundle configResources) throws StartupException {

         assert configResources != null;

         super.init(option, configResources);

         String prefix = getKey() + ".alternative.";

         options = new TreeMap<Integer, String>();

         Iterator<Element> iter = option.getChildren("alternative").iterator();

         while (iter.hasNext()) {

             Element alternative = iter.next();

             int number = Integer.parseInt(alternative.getAttributeValue("number"));

             String name = configResources.getString(prefix + number);

             options.put(Integer.valueOf(number), name);

         }

     }

     /*

      * (non-Javadoc)

      * 

      * @see org.crosswire.common.config.MappedChoice#getOptions()

      */

     public Map<Integer, String> getOptions() {

         return new TreeMap<Integer, String>(options);

     }

     /*

      * (non-Javadoc)

      * 

      * @see org.crosswire.common.config.Choice#getConvertionClass()

      */

     public Class<Integer> getConversionClass() {

         return Integer.TYPE;

     }

     /*

      * (non-Javadoc)

      * 

      * @see

      * org.crosswire.common.config.AbstractReflectedChoice#convertToString(java

      * .lang.Object)

      */

     @Override

     public String convertToString(Object orig) {

         return orig.toString();

     }

     /*

      * (non-Javadoc)

      * 

      * @see

      * org.crosswire.common.config.AbstractReflectedChoice#convertToObject(java

      * .lang.String)

      */

     @Override

     public Object convertToObject(String orig) {

         // First check to see if this is a number

         try {

             return Integer.valueOf(orig);

         } catch (NumberFormatException ex) {

             for (Map.Entry<Integer, String> mapEntry : options.entrySet()) {

                 if (mapEntry.getValue().equals(orig)) {

                     return mapEntry.getKey();

                 }

             }

             return Integer.valueOf(0);

         }

     }

     private Map<Integer, String> options;

 }