Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/GNVArtifactBase.java @ 52:4d6a82b96059
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 |
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| 51:71788b63b146 | 52:4d6a82b96059 |
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| 1 /** | |
| 2 * | |
| 3 */ | |
| 4 package de.intevation.gnv.artifacts; | |
| 5 | |
| 6 import java.util.HashMap; | |
| 7 import java.util.Map; | |
| 8 | |
| 9 import org.apache.log4j.Logger; | |
| 10 import org.w3c.dom.Document; | |
| 11 import org.w3c.dom.Node; | |
| 12 import org.w3c.dom.NodeList; | |
| 13 | |
| 14 import de.intevation.artifactdatabase.Config; | |
| 15 import de.intevation.artifactdatabase.DefaultArtifact; | |
| 16 import de.intevation.gnv.artifacts.context.GNVArtifactContext; | |
| 17 import de.intevation.gnv.transition.Transition; | |
| 18 import de.intevation.gnv.transition.TransitionFactory; | |
| 19 | |
| 20 /** | |
| 21 * @author Tim Englich <tim.englich@intevation.de> | |
| 22 * | |
| 23 */ | |
| 24 public abstract class GNVArtifactBase extends DefaultArtifact { | |
| 25 /** | |
| 26 * the logger, used to log exceptions and additonaly information | |
| 27 */ | |
| 28 private static Logger log = Logger.getLogger(GNVArtifactBase.class); | |
| 29 /** | |
| 30 * The UID of this Class | |
| 31 */ | |
| 32 private static final long serialVersionUID = -8907096744400741458L; | |
| 33 | |
| 34 public static final String XPATH_IDENTIFIER_REPLACE = "IDENTIFIER"; | |
| 35 /** | |
| 36 * The XPATH to the XML-Fragment that should be used for the Configuration | |
| 37 */ | |
| 38 public static final String XPATH_ARTIFACT_CONFIGURATION= "/artifact-database/artifacts/artifact[@name='"+XPATH_IDENTIFIER_REPLACE+"']"; | |
| 39 | |
| 40 protected Transition current = null; | |
| 41 | |
| 42 protected Map<String, Transition> transitions = null; | |
| 43 | |
| 44 protected String name = null; | |
| 45 /** | |
| 46 * Constructor | |
| 47 */ | |
| 48 public GNVArtifactBase() { | |
| 49 super(); | |
| 50 } | |
| 51 | |
| 52 protected Node getConfigurationFragment(Document document){ | |
| 53 log.debug("GNVArtifactBase.getConfigurationFragment"); | |
| 54 String xpathQuery = XPATH_ARTIFACT_CONFIGURATION.replaceAll(XPATH_IDENTIFIER_REPLACE, this.name); | |
| 55 log.debug(xpathQuery); | |
| 56 return Config.getNodeXPath(document,xpathQuery); | |
| 57 | |
| 58 } | |
| 59 | |
| 60 /** | |
| 61 * @see de.intevation.artifactdatabase.DefaultArtifact#setup(java.lang.String, java.lang.Object) | |
| 62 */ | |
| 63 @Override | |
| 64 public void setup(String identifier, Object context) { | |
| 65 log.debug("GNVArtifactBase.setup"); | |
| 66 super.setup(identifier, context); | |
| 67 if (context instanceof GNVArtifactContext){ | |
| 68 GNVArtifactContext gnvContext = (GNVArtifactContext)context; | |
| 69 Document doc = gnvContext.getConfig(); | |
| 70 Node artifactNode = this.getConfigurationFragment(doc); | |
| 71 NodeList transitionList = Config.getNodeSetXPath(artifactNode, "transitions/transition"); | |
| 72 this.transitions = new HashMap<String, Transition>(transitionList.getLength()); | |
| 73 for (int i = 0 ; i < transitionList.getLength(); i++){ | |
| 74 Transition tmpTransition = TransitionFactory.getInstance().createTransition(transitionList.item(i)); | |
| 75 if (tmpTransition != null){ | |
| 76 this.transitions.put(tmpTransition.getID(), tmpTransition); | |
| 77 if (this.current == null){ | |
| 78 this.current = tmpTransition; | |
| 79 } | |
| 80 } | |
| 81 } | |
| 82 | |
| 83 } | |
| 84 } | |
| 85 | |
| 86 | |
| 87 } |