Mercurial > dive4elements > river
comparison gwt-client/src/main/java/org/dive4elements/river/client/server/LoadArtifactServiceImpl.java @ 5838:5aa05a7a34b7
Rename modules to more fitting names.
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Thu, 25 Apr 2013 15:23:37 +0200 |
| parents | flys-client/src/main/java/org/dive4elements/river/client/server/LoadArtifactServiceImpl.java@821a02bbfb4e |
| children | 172338b1407f |
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| 5837:d9901a08d0a6 | 5838:5aa05a7a34b7 |
|---|---|
| 1 package org.dive4elements.river.client.server; | |
| 2 | |
| 3 import java.util.ArrayList; | |
| 4 import java.util.HashMap; | |
| 5 | |
| 6 import org.apache.log4j.Logger; | |
| 7 | |
| 8 import org.dive4elements.river.client.shared.exceptions.ServerException; | |
| 9 import org.dive4elements.river.client.shared.model.Artifact; | |
| 10 import org.dive4elements.river.client.shared.model.Collection; | |
| 11 import org.dive4elements.river.client.shared.model.Recommendation; | |
| 12 | |
| 13 import org.dive4elements.river.client.client.services.LoadArtifactService; | |
| 14 | |
| 15 /** | |
| 16 * This service creates a new Artifact based on a given Recommendation and puts | |
| 17 * this new artifact into a specified Collection. | |
| 18 * | |
| 19 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> | |
| 20 */ | |
| 21 public class LoadArtifactServiceImpl | |
| 22 extends ArtifactServiceImpl | |
| 23 implements LoadArtifactService | |
| 24 { | |
| 25 private static final Logger logger = | |
| 26 Logger.getLogger(LoadArtifactServiceImpl.class); | |
| 27 | |
| 28 /** Error. */ | |
| 29 public static final String ERROR_LOAD_ARTIFACT = "error_load_artifact"; | |
| 30 | |
| 31 | |
| 32 /** | |
| 33 * Clones or creates a single artifact and adds it to a collection. | |
| 34 * | |
| 35 * Note that in contrast to loadMany, always the given factory is used | |
| 36 * to clone the artifact. | |
| 37 * | |
| 38 * @param parent collection to add recommendation to. | |
| 39 * @param recom recommendation to create clone for. | |
| 40 * @param factory factory to use. | |
| 41 * @param locale the locale to translate messages. | |
| 42 */ | |
| 43 public Artifact load( | |
| 44 Collection parent, | |
| 45 Recommendation recom, | |
| 46 String factory, | |
| 47 String locale | |
| 48 ) | |
| 49 throws ServerException { | |
| 50 logger.info( | |
| 51 "LoadArtifactServiceImpl.load: " + recom.getMasterArtifact()); | |
| 52 | |
| 53 String url = getServletContext().getInitParameter("server-url"); | |
| 54 | |
| 55 // 1) Clone the Artifact specified in >>recom<< | |
| 56 Artifact clone = ArtifactHelper.createArtifact( | |
| 57 url, locale, factory, recom); | |
| 58 | |
| 59 if (clone != null) { | |
| 60 logger.debug("Successfully create Artifact Clone. Add now!"); | |
| 61 Collection c = CollectionHelper.addArtifact( | |
| 62 parent, clone, url, locale); | |
| 63 | |
| 64 if (c != null) { | |
| 65 logger.debug("Successfully added Clone to Collection."); | |
| 66 | |
| 67 return clone; | |
| 68 } | |
| 69 } | |
| 70 | |
| 71 throw new ServerException(ERROR_LOAD_ARTIFACT); | |
| 72 } | |
| 73 | |
| 74 | |
| 75 /** | |
| 76 * Clone/create one or more artifacts and add it to a collection, avoiding | |
| 77 * duplicates. | |
| 78 * | |
| 79 * @param parent Collection where clones will be added to. | |
| 80 * @param recoms definitions of source of clone. | |
| 81 * @param factory name of factory to use when cloning artifacts (can be | |
| 82 * null in which case the recommendations getFactory() will | |
| 83 * be used. | |
| 84 * @param locale the locale to translate messages. | |
| 85 * | |
| 86 * @return cloned artifacts (same artifact might be contained multiple | |
| 87 * times). | |
| 88 */ | |
| 89 public Artifact[] loadMany( | |
| 90 Collection parent, | |
| 91 Recommendation[] recoms, | |
| 92 String factory, | |
| 93 String locale | |
| 94 ) | |
| 95 throws ServerException { | |
| 96 logger.debug("LoadArtifactServiceImpl.loadMany"); | |
| 97 | |
| 98 String url = getServletContext().getInitParameter("server-url"); | |
| 99 | |
| 100 ArrayList<Artifact> artifacts = new ArrayList<Artifact>(); | |
| 101 HashMap<Recommendation, Artifact> cloneMap = | |
| 102 new HashMap<Recommendation, Artifact>(); | |
| 103 | |
| 104 // TODO Respect the index of what to clone. | |
| 105 | |
| 106 // 1) Clone the Artifacts specified in >>recoms<< | |
| 107 for (Recommendation recom : recoms) { | |
| 108 // Do not do two clones of two identical recommendations. | |
| 109 Artifact prevClone = cloneMap.get(recom); | |
| 110 if (prevClone != null) { | |
| 111 // Already cloned a recommendation like this. | |
| 112 logger.debug("LoadArtifactServiceImpl: Avoid reclones, " | |
| 113 + "clone already exists."); | |
| 114 artifacts.add(prevClone); | |
| 115 } | |
| 116 else { | |
| 117 // Not already cloned. | |
| 118 String realFactory = factory != null | |
| 119 ? factory | |
| 120 : recom.getFactory(); | |
| 121 | |
| 122 logger.debug("One will be cloned with : " + realFactory); | |
| 123 | |
| 124 Artifact clone = ArtifactHelper.createArtifact( | |
| 125 url, locale, realFactory, recom); | |
| 126 | |
| 127 if (clone != null) { | |
| 128 logger.debug("LoadArtifactServiceImple: Successfully " | |
| 129 + "loaded Artifact Clone."); | |
| 130 Collection c = CollectionHelper.addArtifact( | |
| 131 parent, clone, url, locale); | |
| 132 | |
| 133 if (c != null) { | |
| 134 artifacts.add(clone); | |
| 135 // Remember we cloned a recommendation like this. | |
| 136 cloneMap.put(recom, clone); | |
| 137 } | |
| 138 else { | |
| 139 throw new ServerException(ERROR_LOAD_ARTIFACT); | |
| 140 } | |
| 141 } | |
| 142 } | |
| 143 } | |
| 144 return artifacts.toArray(new Artifact[artifacts.size()]); | |
| 145 } | |
| 146 } | |
| 147 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |