Mercurial > hg > AnnotationManagerN4J
annotate src/main/java/de/mpiwg/itgroup/annotations/restlet/AnnotatorSearch.java @ 89:247cbbb385de
improved logging.
| author | casties |
|---|---|
| date | Wed, 04 Feb 2015 19:37:02 +0100 |
| parents | b406507a953d |
| children | cf44d9e1a4a7 |
| rev | line source |
|---|---|
| 4 | 1 /** |
| 2 * Implements the "search" uri of the Annotator API. | |
| 3 */ | |
| 4 package de.mpiwg.itgroup.annotations.restlet; | |
| 5 | |
| 70 | 6 /* |
| 7 * #%L | |
| 8 * AnnotationManager | |
| 9 * %% | |
| 10 * Copyright (C) 2012 - 2014 MPIWG Berlin | |
| 11 * %% | |
| 12 * This program is free software: you can redistribute it and/or modify | |
| 13 * it under the terms of the GNU Lesser General Public License as | |
| 14 * published by the Free Software Foundation, either version 3 of the | |
| 15 * License, or (at your option) any later version. | |
| 16 * | |
| 17 * This program is distributed in the hope that it will be useful, | |
| 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 20 * GNU General Lesser Public License for more details. | |
| 21 * | |
| 22 * You should have received a copy of the GNU General Lesser Public | |
| 23 * License along with this program. If not, see | |
| 24 * <http://www.gnu.org/licenses/lgpl-3.0.html>. | |
| 25 * #L% | |
| 26 */ | |
| 27 | |
|
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28 import java.util.ArrayList; |
| 4 | 29 import java.util.List; |
| 30 | |
| 31 import org.json.JSONArray; | |
| 32 import org.json.JSONException; | |
| 33 import org.json.JSONObject; | |
| 34 import org.restlet.data.Form; | |
| 35 import org.restlet.data.Status; | |
| 36 import org.restlet.ext.json.JsonRepresentation; | |
| 37 import org.restlet.representation.Representation; | |
| 38 import org.restlet.resource.Get; | |
| 39 | |
| 40 import de.mpiwg.itgroup.annotations.Annotation; | |
| 15 | 41 import de.mpiwg.itgroup.annotations.Person; |
| 42 import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore; | |
|
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43 import de.mpiwg.itgroup.annotations.restlet.utils.JSONObjectComparator; |
| 4 | 44 |
| 45 /** | |
| 46 * Implements the "search" uri of the Annotator API. see | |
| 47 * <https://github.com/okfn/annotator/wiki/Storage> | |
| 48 * | |
| 49 * @author casties | |
| 50 * | |
| 51 */ | |
| 52 public class AnnotatorSearch extends AnnotatorResourceImpl { | |
| 53 | |
| 54 protected String getAllowedMethodsForHeader() { | |
| 55 return "OPTIONS,GET"; | |
| 56 } | |
| 57 | |
| 58 /** | |
|
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59 * result for JSON content-type. optional search parameters: uri, user, limit, |
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60 * offset, sortBy. |
| 4 | 61 * |
| 62 * @param entity | |
| 63 * @return | |
| 64 */ | |
| 65 @Get("json") | |
| 66 public Representation doGetJSON(Representation entity) { | |
| 75 | 67 logger.fine("AnnotatorSearch doGetJSON!"); |
| 4 | 68 setCorsHeaders(); |
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69 // do authentication |
| 88 | 70 Person authUser = getUserFromAuthToken(entity); |
| 75 | 71 logger.fine("request authenticated=" + authUser); |
| 4 | 72 |
| 73 Form form = getRequest().getResourceRef().getQueryAsForm(); | |
| 74 String uri = form.getFirstValue("uri"); | |
| 75 String user = form.getFirstValue("user"); | |
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76 int limit = getInt(form.getFirstValue("limit")); |
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77 int offset = getInt(form.getFirstValue("offset")); |
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78 String sortBy = form.getFirstValue("sortBy"); |
| 4 | 79 |
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80 // do search |
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81 ArrayList<JSONObject> results = new ArrayList<JSONObject>(); |
| 75 | 82 logger.fine(String.format("searching for uri=%s user=%s", uri, user)); |
| 15 | 83 AnnotationStore store = getAnnotationStore(); |
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84 List<Annotation> annots = store.searchAnnotationByUriUser(uri, user); |
| 4 | 85 for (Annotation annot : annots) { |
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86 // check permission |
| 15 | 87 if (!annot.isActionAllowed("read", authUser, store)) continue; |
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88 JSONObject jo = createAnnotatorJson(annot, (authUser == null)); |
| 4 | 89 if (jo != null) { |
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90 results.add(jo); |
| 4 | 91 } else { |
| 92 setStatus(Status.SERVER_ERROR_INTERNAL, "JSON Error"); | |
| 93 return null; | |
| 94 } | |
| 95 } | |
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96 |
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97 // sort if necessary |
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98 if (sortBy != null) { |
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99 JSONObjectComparator.sortAnnotations(results, sortBy); |
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100 } |
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101 |
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102 // put in JSON list |
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103 JSONArray rows = new JSONArray(); |
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104 int cnt = 0; |
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105 for (JSONObject result : results) { |
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106 cnt += 1; |
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107 if (offset > 0 && cnt < offset) continue; |
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108 rows.put(result); |
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109 if (limit > 0 && cnt >= limit) break; |
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110 } |
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111 |
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112 // assemble result object |
| 4 | 113 JSONObject result = new JSONObject(); |
| 114 try { | |
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115 result.put("rows", rows); |
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116 result.put("total", rows.length()); |
| 4 | 117 } catch (JSONException e) { |
| 118 setStatus(Status.SERVER_ERROR_INTERNAL, "JSON Error"); | |
| 119 return null; | |
| 120 } | |
| 121 | |
| 89 | 122 logger.fine("sending response"); |
| 123 logger.finest(result.toString()); | |
| 4 | 124 return new JsonRepresentation(result); |
| 125 } | |
| 126 | |
| 127 } |