Mercurial > dive4elements > river

annotate gwt-client/src/main/java/org/dive4elements/river/client/server/LoadArtifactServiceImpl.java @ 5861:172338b1407f

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GWT client: Added copyright header.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 28 Apr 2013 14:30:15 +0200
parents 5aa05a7a34b7
children ea9eef426962
rev   line source
5861
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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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 AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.client.server;
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10
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11 import java.util.ArrayList;
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12 import java.util.HashMap;
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13
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14 import org.apache.log4j.Logger;
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15
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16 import org.dive4elements.river.client.shared.exceptions.ServerException;
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17 import org.dive4elements.river.client.shared.model.Artifact;
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18 import org.dive4elements.river.client.shared.model.Collection;
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19 import org.dive4elements.river.client.shared.model.Recommendation;
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20
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21 import org.dive4elements.river.client.client.services.LoadArtifactService;
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22
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23 /**
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24 * This service creates a new Artifact based on a given Recommendation and puts
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25 * this new artifact into a specified Collection.
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26 *
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27 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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28 */
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29 public class LoadArtifactServiceImpl
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30 extends ArtifactServiceImpl
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31 implements LoadArtifactService
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32 {
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33 private static final Logger logger =
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34 Logger.getLogger(LoadArtifactServiceImpl.class);
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35
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36 /** Error. */
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37 public static final String ERROR_LOAD_ARTIFACT = "error_load_artifact";
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38
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39
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40 /**
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41 * Clones or creates a single artifact and adds it to a collection.
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42 *
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43 * Note that in contrast to loadMany, always the given factory is used
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44 * to clone the artifact.
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45 *
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46 * @param parent collection to add recommendation to.
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47 * @param recom recommendation to create clone for.
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48 * @param factory factory to use.
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49 * @param locale the locale to translate messages.
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50 */
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51 public Artifact load(
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52 Collection parent,
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53 Recommendation recom,
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54 String factory,
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55 String locale
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56 )
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57 throws ServerException {
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58 logger.info(
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59 "LoadArtifactServiceImpl.load: " + recom.getMasterArtifact());
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60
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61 String url = getServletContext().getInitParameter("server-url");
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62
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63 // 1) Clone the Artifact specified in >>recom<<
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64 Artifact clone = ArtifactHelper.createArtifact(
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65 url, locale, factory, recom);
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66
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67 if (clone != null) {
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68 logger.debug("Successfully create Artifact Clone. Add now!");
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69 Collection c = CollectionHelper.addArtifact(
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70 parent, clone, url, locale);
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71
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72 if (c != null) {
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73 logger.debug("Successfully added Clone to Collection.");
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74
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75 return clone;
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76 }
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77 }
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78
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79 throw new ServerException(ERROR_LOAD_ARTIFACT);
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80 }
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81
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82
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83 /**
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84 * Clone/create one or more artifacts and add it to a collection, avoiding
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85 * duplicates.
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86 *
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87 * @param parent Collection where clones will be added to.
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88 * @param recoms definitions of source of clone.
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89 * @param factory name of factory to use when cloning artifacts (can be
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90 * null in which case the recommendations getFactory() will
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91 * be used.
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92 * @param locale the locale to translate messages.
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93 *
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94 * @return cloned artifacts (same artifact might be contained multiple
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95 * times).
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96 */
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97 public Artifact[] loadMany(
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98 Collection parent,
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99 Recommendation[] recoms,
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100 String factory,
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101 String locale
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102 )
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103 throws ServerException {
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104 logger.debug("LoadArtifactServiceImpl.loadMany");
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105
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106 String url = getServletContext().getInitParameter("server-url");
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107
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108 ArrayList<Artifact> artifacts = new ArrayList<Artifact>();
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109 HashMap<Recommendation, Artifact> cloneMap =
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110 new HashMap<Recommendation, Artifact>();
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111
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112 // TODO Respect the index of what to clone.
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113
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114 // 1) Clone the Artifacts specified in >>recoms<<
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115 for (Recommendation recom : recoms) {
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116 // Do not do two clones of two identical recommendations.
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117 Artifact prevClone = cloneMap.get(recom);
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118 if (prevClone != null) {
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119 // Already cloned a recommendation like this.
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120 logger.debug("LoadArtifactServiceImpl: Avoid reclones, "
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121 + "clone already exists.");
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122 artifacts.add(prevClone);
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123 }
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124 else {
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125 // Not already cloned.
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126 String realFactory = factory != null
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127 ? factory
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128 : recom.getFactory();
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129
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130 logger.debug("One will be cloned with : " + realFactory);
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131
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132 Artifact clone = ArtifactHelper.createArtifact(
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133 url, locale, realFactory, recom);
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134
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135 if (clone != null) {
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136 logger.debug("LoadArtifactServiceImple: Successfully "
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137 + "loaded Artifact Clone.");
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138 Collection c = CollectionHelper.addArtifact(
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139 parent, clone, url, locale);
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140
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141 if (c != null) {
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142 artifacts.add(clone);
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143 // Remember we cloned a recommendation like this.
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144 cloneMap.put(recom, clone);
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145 }
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146 else {
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147 throw new ServerException(ERROR_LOAD_ARTIFACT);
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148 }
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149 }
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150 }
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151 }
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152 return artifacts.toArray(new Artifact[artifacts.size()]);
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153 }
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154 }
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155 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org