Mercurial > dive4elements > gnv-client

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