Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/server/LoadArtifactServiceImpl.java @ 4740:fb135e1dfa35

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Added 'type' attribute to <dc:variable/> element. If an optional 'type' attribute is given the result of the XPATH expression is interpreted as this type. Valid values are 'number', 'bool', 'node' and 'nodeset'. All other defaults to 'string' which also is the default if nor type is given.
author Sascha L. Teichmann <teichmann@intevation.de>
date Wed, 02 Jan 2013 15:31:53 +0100
parents 51ed89b754ae
children
rev   line source
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1 package de.intevation.flys.client.server;
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2
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3 import java.util.ArrayList;
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4 import java.util.HashMap;
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5
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6 import org.apache.log4j.Logger;
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7
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8 import de.intevation.flys.client.shared.exceptions.ServerException;
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9 import de.intevation.flys.client.shared.model.Artifact;
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10 import de.intevation.flys.client.shared.model.Collection;
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11 import de.intevation.flys.client.shared.model.Recommendation;
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12
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13 import de.intevation.flys.client.client.services.LoadArtifactService;
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14
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15 /**
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16 * This service creates a new Artifact based on a given Recommendation and puts
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17 * this new artifact into a specified Collection.
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18 *
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19 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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20 */
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21 public class LoadArtifactServiceImpl
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22 extends ArtifactServiceImpl
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23 implements LoadArtifactService
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24 {
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25 private static final Logger logger =
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26 Logger.getLogger(LoadArtifactServiceImpl.class);
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27
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28 /** Error. */
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29 public static final String ERROR_LOAD_ARTIFACT = "error_load_artifact";
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30
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31
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32 /**
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33 * Clones or creates a single artifact and adds it to a collection.
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34 *
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35 * Note that in contrast to loadMany, always the given factory is used
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36 * to clone the artifact.
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37 *
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38 * @param parent collection to add recommendation to.
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39 * @param recom recommendation to create clone for.
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40 * @param factory factory to use.
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41 * @param locale the locale to translate messages.
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42 */
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43 public Artifact load(
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44 Collection parent,
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45 Recommendation recom,
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46 String factory,
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47 String locale
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48 )
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49 throws ServerException {
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50 logger.info(
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51 "LoadArtifactServiceImpl.load: " + recom.getMasterArtifact());
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52
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53 String url = getServletContext().getInitParameter("server-url");
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54
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55 // 1) Clone the Artifact specified in >>recom<<
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56 Artifact clone = ArtifactHelper.createArtifact(
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57 url, locale, factory, recom);
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58
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59 if (clone != null) {
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60 logger.debug("Successfully create Artifact Clone. Add now!");
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61 Collection c = CollectionHelper.addArtifact(
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62 parent, clone, url, locale);
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63
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64 if (c != null) {
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65 logger.debug("Successfully added Clone to Collection.");
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66
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67 return clone;
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68 }
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69 }
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70
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71 throw new ServerException(ERROR_LOAD_ARTIFACT);
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72 }
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73
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74
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75 /**
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76 * Clone/create one or more artifacts and add it to a collection, avoiding
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77 * duplicates.
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78 *
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79 * @param parent Collection where clones will be added to.
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80 * @param recoms definitions of source of clone.
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81 * @param factory name of factory to use when cloning artifacts (can be
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82 * null in which case the recommendations getFactory() will
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83 * be used.
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84 * @param locale the locale to translate messages.
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85 *
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86 * @return cloned artifacts (same artifact might be contained multiple
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87 * times).
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88 */
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89 public Artifact[] loadMany(
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90 Collection parent,
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91 Recommendation[] recoms,
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92 String factory,
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93 String locale
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94 )
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95 throws ServerException {
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96 logger.debug("LoadArtifactServiceImpl.loadMany");
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97
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98 String url = getServletContext().getInitParameter("server-url");
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99
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100 ArrayList<Artifact> artifacts = new ArrayList<Artifact>();
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101 HashMap<Recommendation, Artifact> cloneMap =
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102 new HashMap<Recommendation, Artifact>();
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103
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104 // TODO Respect the index of what to clone.
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105
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106 // 1) Clone the Artifacts specified in >>recoms<<
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107 for (Recommendation recom : recoms) {
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108 // Do not do two clones of two identical recommendations.
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109 Artifact prevClone = cloneMap.get(recom);
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110 if (prevClone != null) {
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111 // Already cloned a recommendation like this.
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112 logger.debug("LoadArtifactServiceImpl: Avoid reclones, "
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113 + "clone already exists.");
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114 artifacts.add(prevClone);
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115 }
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116 else {
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117 // Not already cloned.
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118 String realFactory = factory != null
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119 ? factory
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120 : recom.getFactory();
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121
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122 logger.debug("One will be cloned with : " + realFactory);
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123
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124 Artifact clone = ArtifactHelper.createArtifact(
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125 url, locale, realFactory, recom);
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126
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127 if (clone != null) {
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128 logger.debug("LoadArtifactServiceImple: Successfully "
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129 + "loaded Artifact Clone.");
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130 Collection c = CollectionHelper.addArtifact(
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131 parent, clone, url, locale);
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132
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133 if (c != null) {
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134 artifacts.add(clone);
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135 // Remember we cloned a recommendation like this.
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136 cloneMap.put(recom, clone);
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137 }
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138 else {
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139 throw new ServerException(ERROR_LOAD_ARTIFACT);
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140 }
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141 }
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142 }
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143 }
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144 return artifacts.toArray(new Artifact[artifacts.size()]);
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145 }
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146 }
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147 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org