001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *
010 *        http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License.
018 */
019
020package org.apache.isis.core.progmodel.facets.value;
021
022import java.util.List;
023import java.util.Locale;
024import java.util.StringTokenizer;
025
026import com.google.common.base.Function;
027import com.google.common.collect.Iterables;
028
029import org.joda.time.LocalDate;
030import org.joda.time.format.DateTimeFormatter;
031
032import org.apache.isis.applib.profiles.Localization;
033import org.apache.isis.core.metamodel.facets.object.parseable.TextEntryParseException;
034
035public final class JodaFunctions  {
036
037    private JodaFunctions(){}
038    
039    public static Function<DateTimeFormatter, DateTimeFormatter> withLocale(final Localization localization) {
040        return new Function<DateTimeFormatter, DateTimeFormatter>() {
041            @Override
042            public DateTimeFormatter apply(DateTimeFormatter input) {
043                if (localization == null) {
044                    return input;
045                } 
046                final Locale locale = localization.getLocale();
047                if (locale == null) {
048                    return input;
049                } 
050                return input.withLocale(locale);
051            }
052        };
053    }
054
055}