Mercurial > lada > lada-server

annotate src/main/java/de/intevation/lada/rest/exporter/LafExportService.java @ 1043:1b9516c60a5a schema-update

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Added json export.
author Raimund Renkert <raimund.renkert@intevation.de>
date Mon, 05 Sep 2016 10:19:23 +0200
parents 5bdd1631a451
children f252a92aae1c
rev   line source
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1 /* Copyright (C) 2013 by Bundesamt fuer Strahlenschutz
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU GPL (v>=3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out
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6 * the documentation coming with IMIS-Labordaten-Application for details.
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7 */
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8 package de.intevation.lada.rest.exporter;
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9
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10 import java.io.InputStream;
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11 import java.util.ArrayList;
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12 import java.util.List;
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13
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14 import javax.enterprise.context.RequestScoped;
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15 import javax.inject.Inject;
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16 import javax.json.JsonArray;
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17 import javax.json.JsonObject;
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18 import javax.servlet.http.HttpServletRequest;
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19 import javax.ws.rs.Consumes;
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20 import javax.ws.rs.POST;
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21 import javax.ws.rs.Path;
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22 import javax.ws.rs.Produces;
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23 import javax.ws.rs.core.Context;
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24 import javax.ws.rs.core.Response;
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25 import javax.ws.rs.core.Response.ResponseBuilder;
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26
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27 import de.intevation.lada.exporter.ExportConfig;
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28 import de.intevation.lada.exporter.ExportFormat;
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29 import de.intevation.lada.exporter.Exporter;
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30 import de.intevation.lada.util.annotation.AuthorizationConfig;
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31 import de.intevation.lada.util.auth.Authorization;
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32 import de.intevation.lada.util.auth.AuthorizationType;
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33 import de.intevation.lada.util.auth.UserInfo;
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34
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35 /**
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36 * REST service to export probe objects and the child objects associated with
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37 * the selected Probe objects.
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38 * <p>
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39 * To request objects post a JSON formatted string with an array of probe ids.
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40 * <pre>
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41 * <code>
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42 * {
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43 * "proben": [[number], [number], ...]
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44 * }
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45 * </code>
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46 * </pre>
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47 *
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48 * @author <a href="mailto:rrenkert@intevation.de">Raimund Renkert</a>
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49 */
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50 @Path("data/export")
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51 @RequestScoped
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52 public class LafExportService {
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53
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54 /**
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55 * The exporter.
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56 */
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57 @Inject
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58 @ExportConfig(format=ExportFormat.LAF)
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59 private Exporter exporter;
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60
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61 /**
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62 * The authorization module.
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63 */
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64 @Inject
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65 @AuthorizationConfig(type=AuthorizationType.HEADER)
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66 private Authorization authorization;
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67
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68
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69 /**
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70 * Export Probe objects.
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71 *
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72 * The service takes JSON formatted POST data containing probe ids and
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73 * exports the Probe objects filtered by these ids.
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74 *
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75 * @param proben JSON formatted string with an array of probe ids.
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76 * @param header The HTTP header containing authorization information.
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77 * @return The LAF file to export.
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78 */
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79 @POST
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80 @Path("/laf")
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81 @Consumes("application/json")
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82 @Produces("text/plain")
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83 public Response download(
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84 JsonObject proben,
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85 @Context HttpServletRequest request
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86 ) {
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87 JsonArray array = proben.getJsonArray("proben");
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88 List<Integer> probeIds = new ArrayList<Integer>();
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89 String fileName = "export.laf";
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90 UserInfo userInfo = authorization.getInfo(request);
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91 for (int i = 0; i < array.size(); i++) {
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92 Integer probeId = array.getInt(i);
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93 //if (authorization.isAuthorized(userInfo, probeId)) {
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94 probeIds.add(probeId);
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95 //}
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96 }
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97 InputStream exported = exporter.export(probeIds, userInfo);
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98 ResponseBuilder response = Response.ok((Object)exported);
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99 response.header(
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100 "Content-Disposition",
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101 "attachment; filename=\"" + fileName + "\"");
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102 return response.build();
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103 }
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104 }
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