Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/transitions/TransitionFactory.java @ 4173:7d4480c0e68e

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Allow users to select the current relevant discharge table in historical discharge table calculattion. In addition to this, the discharge tables in the helper panel displayed in the client is ordered in time.
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 18 Oct 2012 12:13:48 +0200
parents 542f280d72c3
children
rev   line source
106
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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1 package de.intevation.flys.artifacts.transitions;
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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2
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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3 import javax.xml.xpath.XPathConstants;
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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4
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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5 import org.apache.log4j.Logger;
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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6
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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7 import org.w3c.dom.Node;
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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8
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a228b39494a9 Improved the bootstrap process - the states are initialized.
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9 import de.intevation.artifactdatabase.transition.Transition;
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5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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11 import de.intevation.artifacts.common.utils.XMLUtils;
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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12
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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13
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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14 /**
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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15 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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16 */
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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17 public class TransitionFactory {
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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18
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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19 /** The logger used in this class */
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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20 private static Logger logger = Logger.getLogger(TransitionFactory.class);
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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21
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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22 /** The XPath to the classname of the transition */
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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23 public static final String XPATH_TRANSITION = "@transition";
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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24
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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25 /** The XPath to the current state ID */
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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26 public static final String XPATH_CURRENT_STATE = "from/@state";
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27
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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28 /** The XPath to the target state ID */
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29 public static final String XPATH_TARGET_STATE = "to/@state";
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30
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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31
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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32 /**
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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33 * Creates a new Transition based on the configured class provided by
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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34 * <code>transitionConf</code>.
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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35 *
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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36 * @param transitionConf The configuration of the transition.
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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37 *
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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38 * @return a Transition.
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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39 */
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40 public static Transition createTransition(Node transitionConf) {
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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41 String clazz = (String) XMLUtils.xpath(
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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42 transitionConf, XPATH_TRANSITION, XPathConstants.STRING);
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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43
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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44 Transition transition = null;
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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45
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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46 try {
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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47 transition = (Transition) Class.forName(clazz).newInstance();
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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48
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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49 String from = (String) XMLUtils.xpath(
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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50 transitionConf, XPATH_CURRENT_STATE, XPathConstants.STRING);
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51 String to = (String) XMLUtils.xpath(
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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52 transitionConf, XPATH_TARGET_STATE, XPathConstants.STRING);
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53
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542f280d72c3 Bugfix: Added the missing init() method to a Transition and call it in the TransitionFactory after a Transition has been created.
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54 transition.init(transitionConf);
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5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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55 transition.setFrom(from);
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56 transition.setTo(to);
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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57 }
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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58 catch (InstantiationException ie) {
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59 logger.error(ie, ie);
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60 }
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61 catch (IllegalAccessException iae) {
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62 logger.error(iae, iae);
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63 }
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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64 catch (ClassNotFoundException cnfe) {
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65 logger.error(cnfe, cnfe);
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66 }
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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67
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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68 return transition;
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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69 }
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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70 }
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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71 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org