/*

  *  Copyright 2003-2004 The Apache Software Foundation

  *

  *  Licensed 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.commons.convert1.format;

 import org.apache.commons.convert1.ConversionException;

 import org.apache.commons.convert1.Converter;

 import java.text.Format;

 import java.text.ParseException;

 /**

  * java.text.Format.parseObject(String); Object based converter.

  *

  * @author Henri Yandell

  * @version $Id: ParseConverter.java 155441 2005-02-26 13:19:22Z dirkv $

  * @since 0.1

  */

 public final class ParseConverter implements Converter {

     private Format format;

     //H? Should this have a Class paramter fortype checking?

     public ParseConverter(Format format) {

         this.format = format;

     }

     /**

      * Parse the specified input String into an Object

      *

      * @param type Data type to which this value should be converted

      * @param value The input value to be converted

      *

      * @exception ConversionException if conversion cannot be performed

      *  successfully

      */

     public Object convert(Class type, Object value) {

         if(value == null) {

             return null; //H? ?? error?

         }

         if(value.getClass() != String.class) {

             throw new ConversionException("ParseConverter must parse Strings. ");

         }

         try {

             return this.format.parseObject(value.toString());

         } catch(ParseException pe) {

             throw new ConversionException("Error in parsing: "+value, pe);

         }

     }

 }