package org.codeforamerica.open311.internals.parsing;

 import org.codeforamerica.open311.facade.Format;

 /**

  * Builds instances of {@link DataParser}.

  * 

  * Singleton class.

  * 

  * @author Santiago Munín <santimunin@gmail.com>

  * 

  */

 public class DataParserFactory {

         private static DataParserFactory instance = new DataParserFactory();

         private DataParserFactory() {

         }

         public static DataParserFactory getInstance() {

                 return instance;

         }

         /**

          * Builds a data parser taking care of the desired format.

          * 

          * @param format

          *            Desired format.

          * @return an instance of {@link DataParser} of <code>null</code> if the

          *         given format is not supported.

          */

         public DataParser buildDataParser(Format format) {

                 if (format == Format.XML) {

                         return new XMLParser();

                 }

                 if (format == Format.JSON) {

                         return new JSONParser();

                 }

                 return null;

         }

 }