/*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements. See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership. The ASF licenses this file

  * to you 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.johnzon.mapper.converter;

 import org.apache.johnzon.mapper.Converter;

 import java.text.DateFormat;

 import java.text.ParseException;

 import java.text.SimpleDateFormat;

 import java.util.Date;

 public class DateConverter implements Converter<Date> {

     // TODO: see if we can clean it

     private final ThreadLocal<DateFormat> format;

     public DateConverter(final String pattern) {

         format = new ThreadLocal<DateFormat>() {

             @Override

             protected DateFormat initialValue() {

                 return new SimpleDateFormat(pattern);

             }

         };

     }

     @Override

     public String toString(final Date instance) {

         return format.get().format(instance);

     }

     @Override

     public Date fromString(final String text) {

         try {

             return format.get().parse(text);

         } catch (final ParseException e) {

             throw new IllegalArgumentException(e);

         }

     }

 }