LightPIT: src/main/kotlin/de/uapcore/lightpit/servlet/LanguageServlet.kt@1275eb652008

     1 /*

     2  * Copyright 2021 Mike Becker. All rights reserved.

     3  *

     4  * Redistribution and use in source and binary forms, with or without

     5  * modification, are permitted provided that the following conditions are met:

     6  *

     7  * 1. Redistributions of source code must retain the above copyright

     8  * notice, this list of conditions and the following disclaimer.

     9  *

    10  * 2. Redistributions in binary form must reproduce the above copyright

    11  * notice, this list of conditions and the following disclaimer in the

    12  * documentation and/or other materials provided with the distribution.

    13  *

    14  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

    15  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

    17  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE

    18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

    19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

    20  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER

    21  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,

    22  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    24  */

    26 package de.uapcore.lightpit.servlet

    28 import de.uapcore.lightpit.AbstractServlet

    29 import de.uapcore.lightpit.Constants

    30 import de.uapcore.lightpit.HttpRequest

    31 import de.uapcore.lightpit.dao.DataAccessObject

    32 import de.uapcore.lightpit.viewmodel.LanguageView

    33 import jakarta.servlet.annotation.WebServlet

    34 import java.util.*

    36 @WebServlet(urlPatterns = ["/language/*"])

    37 class LanguageServlet : AbstractServlet() {

    39     init {

    40         get("/", this::viewLanguages)

    41         post("/", this::selectLanguage)

    42     }

    44     private fun viewLanguages(http: HttpRequest, dao: DataAccessObject) {

    45         with(http) {

    46             view = LanguageView(

    47                 availableLanguages(),

    48                 session.getAttribute(Constants.SESSION_ATTR_LANGUAGE) as Locale,

    49                 request.locale

    50             )

    51             styleSheets = listOf("language")

    52             render("language")

    53         }

    54     }

    56     private fun selectLanguage(http: HttpRequest, dao: DataAccessObject) {

    57         val lang = http.param("language")

    58         if (lang != null) {

    59             val locale = Locale.forLanguageTag(lang)

    60             if (!locale.language.isNullOrBlank()) {

    61                 super.selectLanguage(http, locale)

    62             }

    63         }

    65         viewLanguages(http, dao)

    66     }

    68 }

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