Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/transition/TransitionFactory.java @ 808:2e951160c43d

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Finished the javadoc of the math package. gnv-artifacts/trunk@890 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Thu, 08 Apr 2010 16:35:02 +0000
parents c4156275c1e1
children 79c1db3ca7cc
rev   line source
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a887074460b6 Last Step of the Refactoring Work on the Transition Model.
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1 package de.intevation.gnv.transition;
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2
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3 import de.intevation.gnv.artifacts.GNVArtifactBase;
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4
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5 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 /**
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10 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a>
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11 *
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12 */
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13 public class TransitionFactory {
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14
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15 /**
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16 * the logger, used to log exceptions and additonaly information
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17 */
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18 private static Logger log = Logger.getLogger(GNVArtifactBase.class);
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20 private static TransitionFactory instance = null;
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21
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22 /**
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23 * Constructor
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24 */
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25 public TransitionFactory() {
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26 super();
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27 }
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29 public static TransitionFactory getInstance() {
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30 if (instance == null) {
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31 instance = new TransitionFactory();
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32 }
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33 return instance;
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34 }
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35
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36 public Transition createTransition(Node configuration) {
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37 log.debug("TransitionFactory.createTransition");
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38 Transition state = null;
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39 try {
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40 String classname = ((org.w3c.dom.Element)configuration).getAttribute("transition");
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41 state = (Transition) (Class.forName(classname).newInstance());
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42 state.setup(configuration);
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43 } catch (InstantiationException e) {
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44 log.error(e, e);
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45 } catch (IllegalAccessException e) {
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46 log.error(e, e);
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47 } catch (ClassNotFoundException e) {
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48 log.error(e, e);
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49 }
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50 return state;
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51 }
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52
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53 }
http://dive4elements.wald.intevation.org