Fri, 06 Nov 2020 10:50:32 +0100
migrates constants and removes global functions
universe@7 | 1 | /* |
universe@7 | 2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
universe@34 | 3 | * |
universe@24 | 4 | * Copyright 2018 Mike Becker. All rights reserved. |
universe@34 | 5 | * |
universe@7 | 6 | * Redistribution and use in source and binary forms, with or without |
universe@7 | 7 | * modification, are permitted provided that the following conditions are met: |
universe@7 | 8 | * |
universe@7 | 9 | * 1. Redistributions of source code must retain the above copyright |
universe@7 | 10 | * notice, this list of conditions and the following disclaimer. |
universe@7 | 11 | * |
universe@7 | 12 | * 2. Redistributions in binary form must reproduce the above copyright |
universe@7 | 13 | * notice, this list of conditions and the following disclaimer in the |
universe@7 | 14 | * documentation and/or other materials provided with the distribution. |
universe@7 | 15 | * |
universe@7 | 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
universe@7 | 17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
universe@7 | 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
universe@7 | 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
universe@7 | 20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
universe@7 | 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
universe@7 | 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
universe@7 | 23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
universe@7 | 24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
universe@7 | 25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
universe@7 | 26 | * POSSIBILITY OF SUCH DAMAGE. |
universe@34 | 27 | * |
universe@7 | 28 | */ |
universe@7 | 29 | package de.uapcore.lightpit.modules; |
universe@7 | 30 | |
universe@158 | 31 | import de.uapcore.lightpit.AbstractLightPITServlet; |
universe@158 | 32 | import de.uapcore.lightpit.Constants; |
universe@158 | 33 | import de.uapcore.lightpit.HttpMethod; |
universe@158 | 34 | import de.uapcore.lightpit.RequestMapping; |
universe@86 | 35 | import de.uapcore.lightpit.viewmodel.LanguageView; |
universe@31 | 36 | import org.slf4j.Logger; |
universe@31 | 37 | import org.slf4j.LoggerFactory; |
universe@31 | 38 | |
universe@31 | 39 | import javax.servlet.ServletException; |
universe@7 | 40 | import javax.servlet.annotation.WebServlet; |
universe@11 | 41 | import javax.servlet.http.HttpServletRequest; |
universe@11 | 42 | import javax.servlet.http.HttpServletResponse; |
universe@157 | 43 | import java.io.IOException; |
universe@31 | 44 | import java.util.*; |
universe@7 | 45 | |
universe@7 | 46 | @WebServlet( |
universe@11 | 47 | name = "LanguageModule", |
universe@11 | 48 | urlPatterns = "/language/*" |
universe@7 | 49 | ) |
universe@11 | 50 | public final class LanguageModule extends AbstractLightPITServlet { |
universe@34 | 51 | |
universe@13 | 52 | private static final Logger LOG = LoggerFactory.getLogger(LanguageModule.class); |
universe@34 | 53 | |
universe@15 | 54 | private final List<Locale> languages = new ArrayList<>(); |
universe@13 | 55 | |
universe@13 | 56 | @Override |
universe@78 | 57 | protected String getResourceBundleName() { |
universe@78 | 58 | return "localization.language"; |
universe@78 | 59 | } |
universe@78 | 60 | |
universe@78 | 61 | @Override |
universe@13 | 62 | public void init() throws ServletException { |
universe@13 | 63 | super.init(); |
universe@34 | 64 | |
universe@158 | 65 | Optional<String[]> langs = availableLanguages(); |
universe@13 | 66 | if (langs.isPresent()) { |
universe@13 | 67 | for (String lang : langs.get()) { |
universe@13 | 68 | try { |
universe@13 | 69 | Locale locale = Locale.forLanguageTag(lang); |
universe@13 | 70 | if (locale.getLanguage().isEmpty()) { |
universe@13 | 71 | throw new IllformedLocaleException(); |
universe@13 | 72 | } |
universe@13 | 73 | languages.add(locale); |
universe@13 | 74 | } catch (IllformedLocaleException ex) { |
universe@39 | 75 | LOG.warn("Specified language {} in context parameter cannot be mapped to an existing locale - skipping.", lang); |
universe@13 | 76 | } |
universe@13 | 77 | } |
universe@34 | 78 | |
universe@13 | 79 | } else { |
universe@13 | 80 | languages.add(Locale.ENGLISH); |
universe@39 | 81 | LOG.warn("Context parameter 'available-languages' not found. Only english will be available."); |
universe@13 | 82 | } |
universe@13 | 83 | } |
universe@15 | 84 | |
universe@15 | 85 | @Override |
universe@15 | 86 | public void destroy() { |
universe@15 | 87 | super.destroy(); |
universe@15 | 88 | languages.clear(); |
universe@15 | 89 | } |
universe@34 | 90 | |
universe@11 | 91 | @RequestMapping(method = HttpMethod.GET) |
universe@157 | 92 | public void handle(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { |
universe@13 | 93 | |
universe@86 | 94 | final var viewModel = new LanguageView(); |
universe@86 | 95 | viewModel.setLanguages(languages); |
universe@86 | 96 | viewModel.setBrowserLanguage(req.getLocale()); |
universe@86 | 97 | viewModel.setCurrentLanguage((Locale)req.getSession().getAttribute(Constants.SESSION_ATTR_LANGUAGE)); |
universe@34 | 98 | |
universe@86 | 99 | setViewModel(req, viewModel); |
universe@13 | 100 | setStylesheet(req, "language"); |
universe@74 | 101 | setContentPage(req, "language"); |
universe@157 | 102 | |
universe@157 | 103 | renderSite(req, resp); |
universe@11 | 104 | } |
universe@34 | 105 | |
universe@15 | 106 | @RequestMapping(method = HttpMethod.POST) |
universe@157 | 107 | public void switchLanguage(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { |
universe@34 | 108 | |
universe@15 | 109 | Optional<Locale> chosenLanguage = Optional.ofNullable(req.getParameter("language")) |
universe@15 | 110 | .map(Locale::forLanguageTag) |
universe@15 | 111 | .filter((l) -> !l.getLanguage().isEmpty()); |
universe@34 | 112 | |
universe@15 | 113 | chosenLanguage.ifPresent((l) -> req.getSession().setAttribute(Constants.SESSION_ATTR_LANGUAGE, l)); |
universe@15 | 114 | chosenLanguage.ifPresent(resp::setLocale); |
universe@34 | 115 | |
universe@157 | 116 | handle(req, resp); |
universe@15 | 117 | } |
universe@7 | 118 | } |