Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/transition/TransitionFactory.java @ 252:f1e7ddeef5bc

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Added Validation if a given maxvalue is greater than a given minvalue issue19 gnv-artifacts/trunk@323 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Wed, 11 Nov 2009 15:54:31 +0000
parents 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.gnv.artifacts.GNVArtifactBase;
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10
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11 /**
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12 * @author Tim Englich <tim.englich@intevation.de>
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13 *
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14 */
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15 public class TransitionFactory {
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16
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17 /**
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18 * the logger, used to log exceptions and additonaly information
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19 */
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20 private static Logger log = Logger.getLogger(GNVArtifactBase.class);
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21
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22 private static TransitionFactory instance = null;
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23
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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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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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38 public Transition createTransition(Node configuration) {
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39 log.debug("TransitionFactory.createTransition");
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40 Transition transition = null;
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41 try {
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42 String classname = ((org.w3c.dom.Element)configuration).getAttribute("transition");
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43 transition = (Transition) (Class.forName(classname).newInstance());
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44 transition.setup(configuration);
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45 } catch (InstantiationException e) {
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46 log.error(e, e);
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47 } catch (IllegalAccessException e) {
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48 log.error(e, e);
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49 } catch (ClassNotFoundException e) {
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50 log.error(e, e);
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51 }
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52 return transition;
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53 }
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54
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55 }
http://dive4elements.wald.intevation.org