1.1 --- a/src/java/de/uapcore/lightpit/modules/LanguageModule.java Sun Apr 08 16:51:15 2018 +0200
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,118 +0,0 @@
1.4 -/*
1.5 - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
1.6 - *
1.7 - * Copyright 2018 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.LightPITModule;
1.35 -import de.uapcore.lightpit.AbstractLightPITServlet;
1.36 -import de.uapcore.lightpit.Constants;
1.37 -import de.uapcore.lightpit.Functions;
1.38 -import de.uapcore.lightpit.HttpMethod;
1.39 -import javax.servlet.annotation.WebServlet;
1.40 -import javax.servlet.http.HttpServletRequest;
1.41 -import javax.servlet.http.HttpServletResponse;
1.42 -import de.uapcore.lightpit.RequestMapping;
1.43 -import de.uapcore.lightpit.ResponseType;
1.44 -import java.util.ArrayList;
1.45 -import java.util.IllformedLocaleException;
1.46 -import java.util.List;
1.47 -import java.util.Locale;
1.48 -import java.util.Optional;
1.49 -import javax.servlet.ServletException;
1.50 -import org.slf4j.Logger;
1.51 -import org.slf4j.LoggerFactory;
1.52 -
1.53 -
1.54 -@LightPITModule(
1.55 - bundleBaseName = "de.uapcore.lightpit.resources.localization.language",
1.56 - modulePath = "language"
1.57 -)
1.58 -@WebServlet(
1.59 - name = "LanguageModule",
1.60 - urlPatterns = "/language/*"
1.61 -)
1.62 -public final class LanguageModule extends AbstractLightPITServlet {
1.63 -
1.64 - private static final Logger LOG = LoggerFactory.getLogger(LanguageModule.class);
1.65 -
1.66 - private final List<Locale> languages = new ArrayList<>();
1.67 -
1.68 - @Override
1.69 - public void init() throws ServletException {
1.70 - super.init();
1.71 -
1.72 - Optional<String[]> langs = Functions.availableLanguages(getServletContext());
1.73 - if (langs.isPresent()) {
1.74 - for (String lang : langs.get()) {
1.75 - try {
1.76 - Locale locale = Locale.forLanguageTag(lang);
1.77 - if (locale.getLanguage().isEmpty()) {
1.78 - throw new IllformedLocaleException();
1.79 - }
1.80 - languages.add(locale);
1.81 - } catch (IllformedLocaleException ex) {
1.82 - LOG.warn("Specified lanaguge {} in context parameter cannot be mapped to an existing locale - skipping.", lang);
1.83 - }
1.84 - }
1.85 -
1.86 - } else {
1.87 - languages.add(Locale.ENGLISH);
1.88 - LOG.warn("Context parameter 'available-languges' not found. Only english will be available.");
1.89 - }
1.90 - }
1.91 -
1.92 - @Override
1.93 - public void destroy() {
1.94 - super.destroy();
1.95 - languages.clear();
1.96 - }
1.97 -
1.98 - @RequestMapping(method = HttpMethod.GET)
1.99 - public ResponseType handle(HttpServletRequest req, HttpServletResponse resp) {
1.100 -
1.101 - req.setAttribute("languages", languages);
1.102 - req.setAttribute("browserLanguage", req.getLocale());
1.103 -
1.104 - setStylesheet(req, "language");
1.105 - setDynamicFragment(req, "language");
1.106 - return ResponseType.HTML_FULL;
1.107 - }
1.108 -
1.109 - @RequestMapping(method = HttpMethod.POST)
1.110 - public ResponseType switchLanguage(HttpServletRequest req, HttpServletResponse resp) {
1.111 -
1.112 - Optional<Locale> chosenLanguage = Optional.ofNullable(req.getParameter("language"))
1.113 - .map(Locale::forLanguageTag)
1.114 - .filter((l) -> !l.getLanguage().isEmpty());
1.115 -
1.116 - chosenLanguage.ifPresent((l) -> req.getSession().setAttribute(Constants.SESSION_ATTR_LANGUAGE, l));
1.117 - chosenLanguage.ifPresent(resp::setLocale);
1.118 -
1.119 - return handle(req, resp);
1.120 - }
1.121 -}
