Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/transition/TransitionFactory.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 | 7fb9441dd8af |
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| 51:71788b63b146 | 52:4d6a82b96059 |
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| 1 /** | |
| 2 * | |
| 3 */ | |
| 4 package de.intevation.gnv.transition; | |
| 5 | |
| 6 import org.apache.log4j.Logger; | |
| 7 import org.w3c.dom.Node; | |
| 8 | |
| 9 import de.intevation.artifactdatabase.Config; | |
| 10 import de.intevation.gnv.artifacts.GNVArtifactBase; | |
| 11 | |
| 12 /** | |
| 13 * @author Tim Englich <tim.englich@intevation.de> | |
| 14 * | |
| 15 */ | |
| 16 public class TransitionFactory { | |
| 17 | |
| 18 /** | |
| 19 * the logger, used to log exceptions and additonaly information | |
| 20 */ | |
| 21 private static Logger log = Logger.getLogger(GNVArtifactBase.class); | |
| 22 | |
| 23 private static TransitionFactory instance = null; | |
| 24 /** | |
| 25 * Constructor | |
| 26 */ | |
| 27 public TransitionFactory() { | |
| 28 super(); | |
| 29 } | |
| 30 | |
| 31 public static TransitionFactory getInstance(){ | |
| 32 if (instance == null){ | |
| 33 instance = new TransitionFactory(); | |
| 34 } | |
| 35 return instance; | |
| 36 } | |
| 37 | |
| 38 | |
| 39 public Transition createTransition(Node configuration){ | |
| 40 log.debug("TransitionFactory.createTransition"); | |
| 41 Transition transition = null; | |
| 42 try { | |
| 43 String classname = Config.getStringXPath(configuration, "@transition"); | |
| 44 transition = (Transition)(Class.forName(classname).newInstance()); | |
| 45 transition.setup(configuration); | |
| 46 } catch (InstantiationException e) { | |
| 47 log.error(e,e); | |
| 48 } catch (IllegalAccessException e) { | |
| 49 log.error(e,e); | |
| 50 } catch (ClassNotFoundException e) { | |
| 51 log.error(e,e); | |
| 52 } | |
| 53 return transition; | |
| 54 } | |
| 55 | |
| 56 } |