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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 | |
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31 | import de.uapcore.lightpit.AbstractLightPITServlet; |
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32 | import de.uapcore.lightpit.HttpMethod; |
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33 | import de.uapcore.lightpit.RequestMapping; |
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34 | import de.uapcore.lightpit.ResponseType; |
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35 | |
6 | 36 | import javax.servlet.annotation.WebServlet; |
12 | 37 | import javax.servlet.http.HttpServletRequest; |
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38 | import javax.servlet.http.HttpServletResponse; |
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39 | import java.util.Optional; |
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40 | |
6 | 41 | @WebServlet( |
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42 | name = "ErrorModule", |
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43 | urlPatterns = "/error/*" |
6 | 44 | ) |
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45 | public final class ErrorModule extends AbstractLightPITServlet { |
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46 | |
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47 | public static final String REQ_ATTR_RETURN_LINK = "returnLink"; |
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48 | |
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49 | @Override |
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50 | protected String getResourceBundleName() { |
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51 | return "localization.error"; |
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52 | } |
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53 | |
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54 | @RequestMapping(requestPath = "generic", method = HttpMethod.GET) |
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55 | public ResponseType onError(HttpServletRequest req, HttpServletResponse resp) { |
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56 | Optional.ofNullable(req.getHeader("Referer")).ifPresent( |
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57 | referer -> req.setAttribute(REQ_ATTR_RETURN_LINK, referer) |
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58 | ); |
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59 | |
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60 | setStylesheet(req, "error"); |
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61 | setContentPage(req, "error"); |
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62 | |
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63 | return ResponseType.HTML; |
12 | 64 | } |
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65 | } |