    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    package org.apache.tapestry5.internal.beanvalidator;
    015
    016    import java.util.Locale;
    017
    018    import javax.validation.MessageInterpolator;
    019
    020    import org.apache.tapestry5.ioc.services.ThreadLocale;
    021    /**
    022     * The default message interpolation algorithm uses {@link Locale#getDefault()}. This behavior is not appropriate for Tapestry applications,
    023     * thus we need a {@link Locale} aware message interpolator.
    024     */
    025    public class MessageInterpolatorImpl implements MessageInterpolator
    026    {
    027            private final MessageInterpolator delegate;
    028            private final ThreadLocale threadLocale;
    029
    030            public MessageInterpolatorImpl(MessageInterpolator delegate, ThreadLocale threadLocale)
    031            {
    032                    this.delegate = delegate;
    033                    this.threadLocale = threadLocale;
    034            }
    035
    036            /**
    037             * @see javax.validation.MessageInterpolator#interpolate(java.lang.String, javax.validation.MessageInterpolator.Context)
    038             */
    039            public String interpolate(String messageTemplate, Context context)
    040            {
    041                    return interpolate(messageTemplate, context, threadLocale.getLocale());
    042            }
    043
    044            /**
    045             * @see javax.validation.MessageInterpolator#interpolate(java.lang.String, javax.validation.MessageInterpolator.Context, java.util.Locale)
    046             */
    047            public String interpolate(String messageTemplate, Context context, Locale locale)
    048            {
    049                    return this.delegate.interpolate(messageTemplate, context, locale);
    050            }
    051
    052    }