universe@184: /*
universe@184:  * Copyright 2021 Mike Becker. All rights reserved.
universe@184:  *
universe@184:  * Redistribution and use in source and binary forms, with or without
universe@184:  * modification, are permitted provided that the following conditions are met:
universe@184:  *
universe@184:  * 1. Redistributions of source code must retain the above copyright
universe@184:  * notice, this list of conditions and the following disclaimer.
universe@184:  *
universe@184:  * 2. Redistributions in binary form must reproduce the above copyright
universe@184:  * notice, this list of conditions and the following disclaimer in the
universe@184:  * documentation and/or other materials provided with the distribution.
universe@184:  *
universe@184:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
universe@184:  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
universe@184:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
universe@184:  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
universe@184:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
universe@184:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
universe@184:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
universe@184:  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
universe@184:  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
universe@184:  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
universe@184:  */
universe@184: 
universe@184: package de.uapcore.lightpit.servlet
universe@184: 
universe@184: import de.uapcore.lightpit.AbstractServlet
universe@184: import de.uapcore.lightpit.Constants
universe@184: import de.uapcore.lightpit.HttpRequest
universe@184: import de.uapcore.lightpit.dao.DataAccessObject
universe@184: import de.uapcore.lightpit.viewmodel.LanguageView
universe@184: import java.util.*
universe@184: import javax.servlet.annotation.WebServlet
universe@184: 
universe@184: @WebServlet(urlPatterns = ["/language/*"])
universe@184: class LanguageServlet : AbstractServlet() {
universe@184: 
universe@184:     init {
universe@184:         get("/", this::viewLanguages)
universe@184:         post("/", this::selectLanguage)
universe@184:     }
universe@184: 
universe@184:     private fun viewLanguages(http: HttpRequest, dao: DataAccessObject) {
universe@184:         with(http) {
universe@184:             view = LanguageView(
universe@184:                 availableLanguages(),
universe@184:                 session.getAttribute(Constants.SESSION_ATTR_LANGUAGE) as Locale,
universe@184:                 request.locale
universe@184:             )
universe@184:             styleSheets = listOf("language")
universe@184:             render("language")
universe@184:         }
universe@184:     }
universe@184: 
universe@184:     private fun selectLanguage(http: HttpRequest, dao: DataAccessObject) {
universe@184:         val lang = http.param("language")
universe@184:         if (lang != null) {
universe@184:             val locale = Locale.forLanguageTag(lang)
universe@184:             if (!locale.language.isNullOrBlank()) {
universe@184:                 http.response.locale = locale
universe@184:                 http.session.setAttribute(Constants.SESSION_ATTR_LANGUAGE, locale)
universe@184:             }
universe@184:         }
universe@184: 
universe@184:         viewLanguages(http, dao)
universe@184:     }
universe@184: 
universe@184: }