Mercurial > dive4elements > gnv-client
annotate gnv-artifacts/src/main/java/de/intevation/gnv/transition/TransitionFactory.java @ 197:bab92ad1165d
Added the required Classes an Configuration for providing VerticalCrossSections
gnv-artifacts/trunk@250 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Tim Englich <tim.englich@intevation.de> |
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date | Tue, 20 Oct 2009 13:32:05 +0000 |
parents | 7fb9441dd8af |
children | 734ac082c8d1 |
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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 /** |
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26 * Constructor |
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27 */ |
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28 public TransitionFactory() { |
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29 super(); |
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30 } |
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31 |
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32 public static TransitionFactory getInstance() { |
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33 if (instance == null) { |
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34 instance = new TransitionFactory(); |
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35 } |
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36 return instance; |
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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, |
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44 "@transition"); |
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45 transition = (Transition) (Class.forName(classname).newInstance()); |
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46 transition.setup(configuration); |
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47 } catch (InstantiationException e) { |
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48 log.error(e, e); |
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49 } catch (IllegalAccessException e) { |
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50 log.error(e, e); |
52
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51 } catch (ClassNotFoundException e) { |
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52 log.error(e, e); |
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53 } |
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54 return transition; |
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55 } |
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56 |
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57 } |