// Copyright 2009 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.tapestry5.internal.translator;

 import org.apache.tapestry5.Field;

 import org.apache.tapestry5.MarkupWriter;

 import org.apache.tapestry5.ValidationException;

 import org.apache.tapestry5.services.FormSupport;

 import java.text.ParseException;

 /**

  * Uses a {@link org.apache.tapestry5.internal.translator.NumericTranslatorSupport} to provide proper locale-aware

  * support for all the built-in numeric types.

  *

  * @since 5.1.0.1

  */

 public class NumericTranslator<T extends Number> extends AbstractTranslator<T>

 {

     private final NumericTranslatorSupport support;

     public NumericTranslator(String name, Class<T> type, NumericTranslatorSupport support)

     {

         super(name, type, support.getMessageKey(type));

         this.support = support;

     }

     public void render(Field field, String message, MarkupWriter writer, FormSupport formSupport)

     {

         if (formSupport.isClientValidationEnabled())

             support.addValidation(getType(), field, message);

     }

     public T parseClient(Field field, String clientValue, String message) throws ValidationException

     {

         try

         {

             return support.parseClient(getType(), clientValue);

         }

         catch (ParseException ex)

         {

             throw new ValidationException(message);

         }

     }

     public String toClient(T value)

     {

         return support.toClient(getType(), value);

     }

 }