src/main/java/de/uapcore/lightpit/modules/ErrorModule.java@6a8498291606 (annotated)
src/main/java/de/uapcore/lightpit/modules/ErrorModule.java
Sat, 16 May 2020 15:45:06 +0200
- author
- Mike Becker <universe@uap-core.de>
- date
- Sat, 16 May 2020 15:45:06 +0200
- changeset 53
- 6a8498291606
- parent 46
- 1574965c7dc7
- child 74
- 91d1fc2a3a14
- permissions
- -rw-r--r--
fixes bug where displaying an error page for missing data source would also require that data source (error pages don't try to get database connections now)
also improves error pages in general
| 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@34 | 31 | import de.uapcore.lightpit.*; |
| universe@34 | 32 | |
| universe@6 | 33 | import javax.servlet.annotation.WebServlet; |
| universe@12 | 34 | import javax.servlet.http.HttpServletRequest; |
| universe@53 | 35 | import javax.servlet.http.HttpServletResponse; |
| universe@46 | 36 | import java.util.Optional; |
| universe@1 | 37 | |
| universe@6 | 38 | /** |
| universe@6 | 39 | * Entry point for the application. |
| universe@6 | 40 | */ |
| universe@7 | 41 | @LightPITModule( |
| universe@29 | 42 | bundleBaseName = "localization.error", |
| universe@18 | 43 | modulePath = "error", |
| universe@20 | 44 | titleKey = "title", |
| universe@20 | 45 | systemModule = true |
| universe@7 | 46 | ) |
| universe@6 | 47 | @WebServlet( |
| universe@18 | 48 | name = "ErrorModule", |
| universe@18 | 49 | urlPatterns = "/error/*" |
| universe@6 | 50 | ) |
| universe@18 | 51 | public final class ErrorModule extends AbstractLightPITServlet { |
| universe@34 | 52 | |
| universe@46 | 53 | public static final String REQ_ATTR_RETURN_LINK = "returnLink"; |
| universe@34 | 54 | |
| universe@53 | 55 | @RequestMapping(requestPath = "generic", method = HttpMethod.GET) |
| universe@53 | 56 | public ResponseType onError(HttpServletRequest req, HttpServletResponse resp) { |
| universe@46 | 57 | Optional.ofNullable(req.getHeader("Referer")).ifPresent( |
| universe@46 | 58 | referer -> req.setAttribute(REQ_ATTR_RETURN_LINK, referer) |
| universe@46 | 59 | ); |
| universe@46 | 60 | |
| universe@18 | 61 | setStylesheet(req, "error"); |
| universe@18 | 62 | setDynamicFragment(req, "error"); |
| universe@34 | 63 | |
| universe@43 | 64 | return ResponseType.HTML; |
| universe@12 | 65 | } |
| universe@1 | 66 | } |
