    001    // Copyright 2009 The Apache Software Foundation
    002    //
    003    // Licensed under the Apache License, Version 2.0 (the "License");
    004    // you may not use this file except in compliance with the License.
    005    // You may obtain a copy of the License at
    006    //
    007    //     http://www.apache.org/licenses/LICENSE-2.0
    008    //
    009    // Unless required by applicable law or agreed to in writing, software
    010    // distributed under the License is distributed on an "AS IS" BASIS,
    011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    012    // See the License for the specific language governing permissions and
    013    // limitations under the License.
    014
    015    package org.apache.tapestry5.internal.translator;
    016
    017    import java.text.ParseException;
    018
    019    /**
    020     * Interface for defining the basic parse and toClient operations. The typical implementation is based on {@link
    021     * java.text.NumberFormat} but alternate implementations are used for BigInteger and BigDecimal.
    022     *
    023     * @since 5.1.0.1
    024     */
    025    public interface NumericFormatter
    026    {
    027        /**
    028         * Parses a value from the client in a locale-specific way.
    029         */
    030        Number parse(String clientValue) throws ParseException;
    031
    032        /**
    033         * Formats a value for the client in a locale-specific way.
    034         */
    035        String toClient(Number value);
    036    }