src/main/java/de/uapcore/lightpit/modules/ErrorModule.java

Sat, 23 May 2020 14:13:09 +0200

author
Mike Becker <universe@uap-core.de>
date
Sat, 23 May 2020 14:13:09 +0200
changeset 79
f64255a88d66
parent 78
bb4c52bf3439
child 157
1e6f16fad3a5
permissions
-rw-r--r--

bloat removal 3/3 - LightPITModule annotation and ModuleManager

universe@1 1 /*
universe@1 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@1 6 * Redistribution and use in source and binary forms, with or without
universe@1 7 * modification, are permitted provided that the following conditions are met:
universe@1 8 *
universe@1 9 * 1. Redistributions of source code must retain the above copyright
universe@1 10 * notice, this list of conditions and the following disclaimer.
universe@1 11 *
universe@1 12 * 2. Redistributions in binary form must reproduce the above copyright
universe@1 13 * notice, this list of conditions and the following disclaimer in the
universe@1 14 * documentation and/or other materials provided with the distribution.
universe@1 15 *
universe@1 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
universe@1 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
universe@1 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
universe@1 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
universe@1 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
universe@1 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
universe@1 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
universe@1 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
universe@1 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
universe@1 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
universe@1 26 * POSSIBILITY OF SUCH DAMAGE.
universe@34 27 *
universe@1 28 */
universe@7 29 package de.uapcore.lightpit.modules;
universe@1 30
universe@79 31 import de.uapcore.lightpit.AbstractLightPITServlet;
universe@79 32 import de.uapcore.lightpit.HttpMethod;
universe@79 33 import de.uapcore.lightpit.RequestMapping;
universe@79 34 import de.uapcore.lightpit.ResponseType;
universe@34 35
universe@6 36 import javax.servlet.annotation.WebServlet;
universe@12 37 import javax.servlet.http.HttpServletRequest;
universe@53 38 import javax.servlet.http.HttpServletResponse;
universe@46 39 import java.util.Optional;
universe@1 40
universe@6 41 @WebServlet(
universe@18 42 name = "ErrorModule",
universe@18 43 urlPatterns = "/error/*"
universe@6 44 )
universe@18 45 public final class ErrorModule extends AbstractLightPITServlet {
universe@34 46
universe@46 47 public static final String REQ_ATTR_RETURN_LINK = "returnLink";
universe@34 48
universe@78 49 @Override
universe@78 50 protected String getResourceBundleName() {
universe@78 51 return "localization.error";
universe@78 52 }
universe@78 53
universe@53 54 @RequestMapping(requestPath = "generic", method = HttpMethod.GET)
universe@53 55 public ResponseType onError(HttpServletRequest req, HttpServletResponse resp) {
universe@46 56 Optional.ofNullable(req.getHeader("Referer")).ifPresent(
universe@46 57 referer -> req.setAttribute(REQ_ATTR_RETURN_LINK, referer)
universe@46 58 );
universe@46 59
universe@18 60 setStylesheet(req, "error");
universe@74 61 setContentPage(req, "error");
universe@34 62
universe@43 63 return ResponseType.HTML;
universe@12 64 }
universe@1 65 }

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