Mercurial > dive4elements > gnv-client
diff 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> |
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date | Mon, 07 Sep 2009 15:29:24 +0000 |
parents | |
children | 7fb9441dd8af |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gnv-artifacts/src/main/java/de/intevation/gnv/transition/TransitionFactory.java Mon Sep 07 15:29:24 2009 +0000 @@ -0,0 +1,56 @@ +/** + * + */ +package de.intevation.gnv.transition; + +import org.apache.log4j.Logger; +import org.w3c.dom.Node; + +import de.intevation.artifactdatabase.Config; +import de.intevation.gnv.artifacts.GNVArtifactBase; + +/** + * @author Tim Englich <tim.englich@intevation.de> + * + */ +public class TransitionFactory { + + /** + * the logger, used to log exceptions and additonaly information + */ + private static Logger log = Logger.getLogger(GNVArtifactBase.class); + + private static TransitionFactory instance = null; + /** + * Constructor + */ + public TransitionFactory() { + super(); + } + + public static TransitionFactory getInstance(){ + if (instance == null){ + instance = new TransitionFactory(); + } + return instance; + } + + + public Transition createTransition(Node configuration){ + log.debug("TransitionFactory.createTransition"); + Transition transition = null; + try { + String classname = Config.getStringXPath(configuration, "@transition"); + transition = (Transition)(Class.forName(classname).newInstance()); + transition.setup(configuration); + } catch (InstantiationException e) { + log.error(e,e); + } catch (IllegalAccessException e) { + log.error(e,e); + } catch (ClassNotFoundException e) { + log.error(e,e); + } + return transition; + } + +}