--- a/src/java/de/uapcore/lightpit/modules/LanguageModule.java Sun Apr 08 16:51:15 2018 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,118 +0,0 @@ -/* - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. - * - * Copyright 2018 Mike Becker. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -package de.uapcore.lightpit.modules; - -import de.uapcore.lightpit.LightPITModule; -import de.uapcore.lightpit.AbstractLightPITServlet; -import de.uapcore.lightpit.Constants; -import de.uapcore.lightpit.Functions; -import de.uapcore.lightpit.HttpMethod; -import javax.servlet.annotation.WebServlet; -import javax.servlet.http.HttpServletRequest; -import javax.servlet.http.HttpServletResponse; -import de.uapcore.lightpit.RequestMapping; -import de.uapcore.lightpit.ResponseType; -import java.util.ArrayList; -import java.util.IllformedLocaleException; -import java.util.List; -import java.util.Locale; -import java.util.Optional; -import javax.servlet.ServletException; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - - -@LightPITModule( - bundleBaseName = "de.uapcore.lightpit.resources.localization.language", - modulePath = "language" -) -@WebServlet( - name = "LanguageModule", - urlPatterns = "/language/*" -) -public final class LanguageModule extends AbstractLightPITServlet { - - private static final Logger LOG = LoggerFactory.getLogger(LanguageModule.class); - - private final List<Locale> languages = new ArrayList<>(); - - @Override - public void init() throws ServletException { - super.init(); - - Optional<String[]> langs = Functions.availableLanguages(getServletContext()); - if (langs.isPresent()) { - for (String lang : langs.get()) { - try { - Locale locale = Locale.forLanguageTag(lang); - if (locale.getLanguage().isEmpty()) { - throw new IllformedLocaleException(); - } - languages.add(locale); - } catch (IllformedLocaleException ex) { - LOG.warn("Specified lanaguge {} in context parameter cannot be mapped to an existing locale - skipping.", lang); - } - } - - } else { - languages.add(Locale.ENGLISH); - LOG.warn("Context parameter 'available-languges' not found. Only english will be available."); - } - } - - @Override - public void destroy() { - super.destroy(); - languages.clear(); - } - - @RequestMapping(method = HttpMethod.GET) - public ResponseType handle(HttpServletRequest req, HttpServletResponse resp) { - - req.setAttribute("languages", languages); - req.setAttribute("browserLanguage", req.getLocale()); - - setStylesheet(req, "language"); - setDynamicFragment(req, "language"); - return ResponseType.HTML_FULL; - } - - @RequestMapping(method = HttpMethod.POST) - public ResponseType switchLanguage(HttpServletRequest req, HttpServletResponse resp) { - - Optional<Locale> chosenLanguage = Optional.ofNullable(req.getParameter("language")) - .map(Locale::forLanguageTag) - .filter((l) -> !l.getLanguage().isEmpty()); - - chosenLanguage.ifPresent((l) -> req.getSession().setAttribute(Constants.SESSION_ATTR_LANGUAGE, l)); - chosenLanguage.ifPresent(resp::setLocale); - - return handle(req, resp); - } -}