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annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/StateFactory.java @ 108:50273a391e53

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Added missing StateFactory class of the last commit. flys-artifacts/trunk@1293 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 04 Feb 2011 11:11:03 +0000
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children f077df8ad54c
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108
50273a391e53 Added missing StateFactory class of the last commit.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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1 package de.intevation.flys.artifacts.states;
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2
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3 import javax.xml.xpath.XPathConstants;
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4
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5 import org.apache.log4j.Logger;
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6
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7 import org.w3c.dom.Node;
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8
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9 import de.intevation.artifactdatabase.state.State;
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10
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11 import de.intevation.artifacts.common.utils.XMLUtils;
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12
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13
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14 /**
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15 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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16 */
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17 public class StateFactory {
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18
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19 /** The logger used in this class */
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20 private static Logger logger = Logger.getLogger(StateFactory.class);
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21
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22 /** The XPath to the classname of the state */
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23 public static final String XPATH_STATE = "@state";
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24
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25
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26 /**
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27 * Creates a new State based on the configured class provided by
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28 * <code>stateConf</code>.
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29 *
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30 * @param stateConf The configuration of the state.
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31 *
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32 * @return a State.
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33 */
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34 public static State createState(Node stateConf) {
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35 String clazz = (String) XMLUtils.xpath(
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36 stateConf, XPATH_STATE, XPathConstants.STRING);
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37
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38 State state = null;
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39
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40 try {
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41 logger.debug("Create a new State for class: " + clazz);
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42 state = (State) Class.forName(clazz).newInstance();
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43 state.setup(stateConf);
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44 }
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45 catch (InstantiationException ie) {
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46 logger.error(ie, ie);
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47 }
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48 catch (IllegalAccessException iae) {
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49 logger.error(iae, iae);
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50 }
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51 catch (ClassNotFoundException cnfe) {
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52 logger.error(cnfe, cnfe);
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53 }
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54
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55 return state;
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56 }
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57 }
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58 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org