Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/GNVArtifactBase.java @ 52:4d6a82b96059

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First Implementation of the GNV-Artifacts gnv-artifacts/trunk@32 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Mon, 07 Sep 2009 15:29:24 +0000
parents
children 09b4bf848c7b
rev   line source
52
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1 /**
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2 *
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3 */
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4 package de.intevation.gnv.artifacts;
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5
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6 import java.util.HashMap;
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7 import java.util.Map;
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8
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9 import org.apache.log4j.Logger;
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10 import org.w3c.dom.Document;
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11 import org.w3c.dom.Node;
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12 import org.w3c.dom.NodeList;
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13
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14 import de.intevation.artifactdatabase.Config;
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15 import de.intevation.artifactdatabase.DefaultArtifact;
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16 import de.intevation.gnv.artifacts.context.GNVArtifactContext;
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17 import de.intevation.gnv.transition.Transition;
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18 import de.intevation.gnv.transition.TransitionFactory;
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19
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20 /**
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21 * @author Tim Englich <tim.englich@intevation.de>
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22 *
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23 */
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24 public abstract class GNVArtifactBase extends DefaultArtifact {
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25 /**
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26 * the logger, used to log exceptions and additonaly information
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27 */
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28 private static Logger log = Logger.getLogger(GNVArtifactBase.class);
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29 /**
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30 * The UID of this Class
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31 */
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32 private static final long serialVersionUID = -8907096744400741458L;
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33
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34 public static final String XPATH_IDENTIFIER_REPLACE = "IDENTIFIER";
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35 /**
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36 * The XPATH to the XML-Fragment that should be used for the Configuration
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37 */
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38 public static final String XPATH_ARTIFACT_CONFIGURATION= "/artifact-database/artifacts/artifact[@name='"+XPATH_IDENTIFIER_REPLACE+"']";
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39
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40 protected Transition current = null;
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41
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42 protected Map<String, Transition> transitions = null;
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43
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44 protected String name = null;
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45 /**
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46 * Constructor
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47 */
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48 public GNVArtifactBase() {
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49 super();
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50 }
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51
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52 protected Node getConfigurationFragment(Document document){
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53 log.debug("GNVArtifactBase.getConfigurationFragment");
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54 String xpathQuery = XPATH_ARTIFACT_CONFIGURATION.replaceAll(XPATH_IDENTIFIER_REPLACE, this.name);
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55 log.debug(xpathQuery);
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56 return Config.getNodeXPath(document,xpathQuery);
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57
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58 }
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59
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60 /**
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61 * @see de.intevation.artifactdatabase.DefaultArtifact#setup(java.lang.String, java.lang.Object)
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62 */
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63 @Override
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64 public void setup(String identifier, Object context) {
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65 log.debug("GNVArtifactBase.setup");
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66 super.setup(identifier, context);
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67 if (context instanceof GNVArtifactContext){
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68 GNVArtifactContext gnvContext = (GNVArtifactContext)context;
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69 Document doc = gnvContext.getConfig();
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70 Node artifactNode = this.getConfigurationFragment(doc);
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71 NodeList transitionList = Config.getNodeSetXPath(artifactNode, "transitions/transition");
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72 this.transitions = new HashMap<String, Transition>(transitionList.getLength());
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73 for (int i = 0 ; i < transitionList.getLength(); i++){
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74 Transition tmpTransition = TransitionFactory.getInstance().createTransition(transitionList.item(i));
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75 if (tmpTransition != null){
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76 this.transitions.put(tmpTransition.getID(), tmpTransition);
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77 if (this.current == null){
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78 this.current = tmpTransition;
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79 }
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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 }
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85
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86
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87 }
http://dive4elements.wald.intevation.org