1.1 --- a/src/main/java/de/uapcore/lightpit/modules/LanguageModule.java Sat Jan 23 14:47:59 2021 +0100 1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 1.3 @@ -1,113 +0,0 @@ 1.4 -/* 1.5 - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. 1.6 - * 1.7 - * Copyright 2021 Mike Becker. All rights reserved. 1.8 - * 1.9 - * Redistribution and use in source and binary forms, with or without 1.10 - * modification, are permitted provided that the following conditions are met: 1.11 - * 1.12 - * 1. Redistributions of source code must retain the above copyright 1.13 - * notice, this list of conditions and the following disclaimer. 1.14 - * 1.15 - * 2. Redistributions in binary form must reproduce the above copyright 1.16 - * notice, this list of conditions and the following disclaimer in the 1.17 - * documentation and/or other materials provided with the distribution. 1.18 - * 1.19 - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 1.20 - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1.21 - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1.22 - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 1.23 - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 1.24 - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 1.25 - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 1.26 - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 1.27 - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 1.28 - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 1.29 - * POSSIBILITY OF SUCH DAMAGE. 1.30 - * 1.31 - */ 1.32 -package de.uapcore.lightpit.modules; 1.33 - 1.34 -import de.uapcore.lightpit.AbstractServlet; 1.35 -import de.uapcore.lightpit.Constants; 1.36 -import de.uapcore.lightpit.HttpMethod; 1.37 -import de.uapcore.lightpit.RequestMapping; 1.38 -import de.uapcore.lightpit.viewmodel.LanguageView; 1.39 -import org.slf4j.Logger; 1.40 -import org.slf4j.LoggerFactory; 1.41 - 1.42 -import javax.servlet.ServletException; 1.43 -import javax.servlet.annotation.WebServlet; 1.44 -import javax.servlet.http.HttpServletRequest; 1.45 -import javax.servlet.http.HttpServletResponse; 1.46 -import java.io.IOException; 1.47 -import java.util.*; 1.48 - 1.49 -@WebServlet( 1.50 - name = "LanguageModule", 1.51 - urlPatterns = "/language/*" 1.52 -) 1.53 -public final class LanguageModule extends AbstractServlet { 1.54 - 1.55 - private static final Logger LOG = LoggerFactory.getLogger(LanguageModule.class); 1.56 - 1.57 - private final List<Locale> languages = new ArrayList<>(); 1.58 - 1.59 - @Override 1.60 - public void init() throws ServletException { 1.61 - super.init(); 1.62 - 1.63 - Optional<String[]> langs = availableLanguages(); 1.64 - if (langs.isPresent()) { 1.65 - for (String lang : langs.get()) { 1.66 - try { 1.67 - Locale locale = Locale.forLanguageTag(lang); 1.68 - if (locale.getLanguage().isEmpty()) { 1.69 - throw new IllformedLocaleException(); 1.70 - } 1.71 - languages.add(locale); 1.72 - } catch (IllformedLocaleException ex) { 1.73 - LOG.warn("Specified language {} in context parameter cannot be mapped to an existing locale - skipping.", lang); 1.74 - } 1.75 - } 1.76 - 1.77 - } else { 1.78 - languages.add(Locale.ENGLISH); 1.79 - LOG.warn("Context parameter 'available-languages' not found. Only english will be available."); 1.80 - } 1.81 - } 1.82 - 1.83 - @Override 1.84 - public void destroy() { 1.85 - super.destroy(); 1.86 - languages.clear(); 1.87 - } 1.88 - 1.89 - @RequestMapping(method = HttpMethod.GET) 1.90 - public void handle(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { 1.91 - 1.92 - final var viewModel = new LanguageView(); 1.93 - viewModel.setLanguages(languages); 1.94 - viewModel.setBrowserLanguage(req.getLocale()); 1.95 - viewModel.setCurrentLanguage((Locale)req.getSession().getAttribute(Constants.SESSION_ATTR_LANGUAGE)); 1.96 - 1.97 - setViewModel(req, viewModel); 1.98 - setStylesheet(req, "language"); 1.99 - setContentPage(req, "language"); 1.100 - 1.101 - renderSite(req, resp); 1.102 - } 1.103 - 1.104 - @RequestMapping(method = HttpMethod.POST) 1.105 - public void switchLanguage(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { 1.106 - 1.107 - Optional<Locale> chosenLanguage = Optional.ofNullable(req.getParameter("language")) 1.108 - .map(Locale::forLanguageTag) 1.109 - .filter((l) -> !l.getLanguage().isEmpty()); 1.110 - 1.111 - chosenLanguage.ifPresent((l) -> req.getSession().setAttribute(Constants.SESSION_ATTR_LANGUAGE, l)); 1.112 - chosenLanguage.ifPresent(resp::setLocale); 1.113 - 1.114 - handle(req, resp); 1.115 - } 1.116 -}