001/*
002 *  Copyright 2012 Anyware Services
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package org.ametys.runtime.i18n;
017
018import java.util.Iterator;
019import java.util.Locale;
020import java.util.Map;
021
022import org.apache.avalon.framework.configuration.Configuration;
023import org.apache.avalon.framework.configuration.ConfigurationException;
024import org.apache.avalon.framework.thread.ThreadSafe;
025import org.apache.cocoon.components.modules.input.InputModule;
026import org.apache.cocoon.i18n.I18nUtils;
027
028/**
029 * Input module for getting informations about currently used locale.<br>
030 * The search algorithm is the same as {@link org.apache.cocoon.i18n.I18nUtils}.<br>
031 * 3 variables are available : "locale", "country" and "language"
032 */
033public class LocaleInputModule implements InputModule, ThreadSafe
034{
035    public Object getAttribute(String name, Configuration modeConf, Map objectModel) throws ConfigurationException
036    {
037        Locale locale = I18nUtils.findLocale(objectModel, "locale", null, Locale.getDefault(), true);
038
039        if ("locale".equals(name))
040        {
041            return locale;
042        }
043        else if ("country".equals(name))
044        {
045            return locale.getCountry();
046        }
047        else if ("language".equals(name))
048        {
049            return locale.getLanguage();
050        }
051
052        return null;
053    }
054
055    public Iterator getAttributeNames(Configuration modeConf, Map objectModel) throws ConfigurationException
056    {
057        return null;
058    }
059
060    public Object[] getAttributeValues(String name, Configuration modeConf, Map objectModel) throws ConfigurationException
061    {
062        return new Object[] {getAttribute(name, modeConf, objectModel)};
063    }
064}