| package org.apache.fulcrum.localization; |
| |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| |
| import java.util.Locale; |
| import java.util.ResourceBundle; |
| |
| import javax.servlet.http.HttpServletRequest; |
| |
| /** |
| * <p> |
| * Provides localization functionality using the interface provided |
| * by <code>ResourceBundle</code>, plus leverages a "search path" |
| * style traversal of the <code>ResourceBundle</code> objects named by |
| * the <code>locale.default.bundles</code> to discover a value for a |
| * given key. |
| * </p> |
| * |
| * <p> |
| * It is suggested that one handle |
| * <a href="http://www.math.fu-berlin.de/~rene/www/java/tutorial/i18n/message/messageFormat.html">dealing with concatenated messages</a> |
| * using <code>MessageFormat</code> and properties files. |
| * </p> |
| * |
| * @author <a href="mailto:jon@latchkey.com">Jon S. Stevens</a> |
| * @author <a href="mailto:dlr@finemaltcoding.com">Daniel Rall</a> |
| * @author <a href="mailto:leonardr@collab.net">Leonard Richardson</a> |
| * @author <a href="mailto:mcconnell@apache.org">Stephen McConnell</a> |
| * @author <a href="mailto:tv@apache.org">Thomas Vandahl</a> |
| * @version $Id$ |
| */ |
| public interface LocalizationService extends SimpleLocalizationService |
| { |
| String ROLE = LocalizationService.class.getName(); |
| String SERVICE_NAME = ROLE; |
| |
| /** |
| * A constant for the HTTP <code>Accept-Language</code> header. |
| */ |
| String ACCEPT_LANGUAGE = "Accept-Language"; |
| |
| /** |
| * Convenience method to get a ResourceBundle based on name and |
| * HTTP <code>Accept-Language</code> header. |
| * |
| * @param bundleName Name of bundle. |
| * @param languageHeader A String with the language header. |
| * @return A localized ResourceBundle. |
| */ |
| ResourceBundle getBundle(String bundleName, String languageHeader); |
| |
| /** |
| * Convenience method to get a ResourceBundle based on HTTP |
| * Accept-Language header in HttpServletRequest. |
| * |
| * @param req The HTTP request to parse the |
| * <code>Accept-Language</code> of. |
| * @return A localized ResourceBundle. |
| */ |
| ResourceBundle getBundle(HttpServletRequest req); |
| |
| /** |
| * Convenience method to get a <code>ResourceBundle</code> based |
| * on name and HTTP <code>Accept-Language</code> header from a |
| * <code>HttpServletRequest</code>. |
| * |
| * @param bundleName Name of bundle. |
| * @param req The HTTP request to parse the |
| * <code>Accept-Language</code> of. |
| * @return A localized ResourceBundle. |
| */ |
| ResourceBundle getBundle(String bundleName, HttpServletRequest req); |
| |
| /** |
| * Attempts to pull the <code>Accept-Language</code> header out of |
| * the <code>HttpServletRequest</code> object and then parse it. |
| * If the header is not present, it will return a |
| * <code>null</code> <code>Locale</code>. |
| * |
| * @param req The HTTP request to parse the |
| * <code>Accept-Language</code> of. |
| * @return The parsed locale. |
| */ |
| Locale getLocale(HttpServletRequest req); |
| |
| /** |
| * Parses the <code>Accept-Language</code> header and attempts to |
| * create a <code>Locale</code> from it. |
| * |
| * @param languageHeader The language header (i.e. <code>en, es;q=0.8, |
| * zh-TW;q=0.1</code>), or <code>null</code> for the locale |
| * corresponding to the default language and country. |
| * @return The parsed locale, or a locale corresponding to the |
| * language and country defaults. |
| */ |
| Locale getLocale(String languageHeader); |
| } |