Thu, 05 Nov 2020 13:37:48 +0100
removes ResponseType enum
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1 | /* |
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2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 | * |
24 | 4 | * Copyright 2018 Mike Becker. All rights reserved. |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions are met: |
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8 | * |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * |
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12 | * 2. Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 | * POSSIBILITY OF SUCH DAMAGE. |
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27 | * |
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28 | */ |
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29 | package de.uapcore.lightpit.modules; |
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30 | |
31 | 31 | import de.uapcore.lightpit.*; |
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32 | import de.uapcore.lightpit.viewmodel.LanguageView; |
31 | 33 | import org.slf4j.Logger; |
34 | import org.slf4j.LoggerFactory; | |
35 | ||
36 | import javax.servlet.ServletException; | |
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37 | import javax.servlet.annotation.WebServlet; |
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38 | import javax.servlet.http.HttpServletRequest; |
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39 | import javax.servlet.http.HttpServletResponse; |
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40 | import java.io.IOException; |
31 | 41 | import java.util.*; |
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42 | |
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43 | @WebServlet( |
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44 | name = "LanguageModule", |
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45 | urlPatterns = "/language/*" |
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46 | ) |
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47 | public final class LanguageModule extends AbstractLightPITServlet { |
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48 | |
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49 | private static final Logger LOG = LoggerFactory.getLogger(LanguageModule.class); |
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50 | |
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51 | private final List<Locale> languages = new ArrayList<>(); |
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52 | |
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53 | @Override |
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54 | protected String getResourceBundleName() { |
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55 | return "localization.language"; |
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56 | } |
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57 | |
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58 | @Override |
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59 | public void init() throws ServletException { |
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60 | super.init(); |
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61 | |
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62 | Optional<String[]> langs = Functions.availableLanguages(getServletContext()); |
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63 | if (langs.isPresent()) { |
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64 | for (String lang : langs.get()) { |
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65 | try { |
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66 | Locale locale = Locale.forLanguageTag(lang); |
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67 | if (locale.getLanguage().isEmpty()) { |
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68 | throw new IllformedLocaleException(); |
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69 | } |
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70 | languages.add(locale); |
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71 | } catch (IllformedLocaleException ex) { |
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72 | LOG.warn("Specified language {} in context parameter cannot be mapped to an existing locale - skipping.", lang); |
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73 | } |
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74 | } |
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75 | |
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76 | } else { |
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77 | languages.add(Locale.ENGLISH); |
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78 | LOG.warn("Context parameter 'available-languages' not found. Only english will be available."); |
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79 | } |
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80 | } |
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81 | |
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82 | @Override |
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83 | public void destroy() { |
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84 | super.destroy(); |
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85 | languages.clear(); |
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86 | } |
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87 | |
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88 | @RequestMapping(method = HttpMethod.GET) |
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89 | public void handle(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { |
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90 | |
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91 | final var viewModel = new LanguageView(); |
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92 | viewModel.setLanguages(languages); |
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93 | viewModel.setBrowserLanguage(req.getLocale()); |
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94 | viewModel.setCurrentLanguage((Locale)req.getSession().getAttribute(Constants.SESSION_ATTR_LANGUAGE)); |
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95 | |
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96 | setViewModel(req, viewModel); |
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97 | setStylesheet(req, "language"); |
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98 | setContentPage(req, "language"); |
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99 | |
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100 | renderSite(req, resp); |
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101 | } |
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102 | |
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103 | @RequestMapping(method = HttpMethod.POST) |
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104 | public void switchLanguage(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { |
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105 | |
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106 | Optional<Locale> chosenLanguage = Optional.ofNullable(req.getParameter("language")) |
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107 | .map(Locale::forLanguageTag) |
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108 | .filter((l) -> !l.getLanguage().isEmpty()); |
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109 | |
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110 | chosenLanguage.ifPresent((l) -> req.getSession().setAttribute(Constants.SESSION_ATTR_LANGUAGE, l)); |
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111 | chosenLanguage.ifPresent(resp::setLocale); |
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112 | |
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113 | handle(req, resp); |
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114 | } |
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115 | } |