Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/WINFOArtifact.java @ 119:84c0b151203e
Added a FLYSArtifact that serves as the default artifact for the FLYS application.
flys-artifacts/trunk@1438 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Wed, 09 Mar 2011 11:29:07 +0000 |
parents | b51e92fef704 |
children | e0ded17a4846 |
rev | line source |
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1 package de.intevation.flys.artifacts; |
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2 |
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3 import java.util.List; |
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4 |
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5 import org.w3c.dom.Document; |
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6 import org.w3c.dom.Element; |
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7 |
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8 import org.apache.log4j.Logger; |
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9 |
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10 import de.intevation.artifacts.ArtifactNamespaceContext; |
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11 import de.intevation.artifacts.CallContext; |
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12 |
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13 import de.intevation.artifactdatabase.ProtocolUtils; |
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14 import de.intevation.artifactdatabase.state.State; |
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15 import de.intevation.artifactdatabase.state.StateEngine; |
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16 import de.intevation.artifactdatabase.transition.TransitionEngine; |
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17 |
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18 import de.intevation.artifacts.common.utils.XMLUtils; |
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19 |
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20 import de.intevation.flys.artifacts.context.FLYSContext; |
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21 |
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22 |
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23 /** |
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24 * The default WINFO artifact. |
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25 * |
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26 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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27 */ |
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28 public class WINFOArtifact extends FLYSArtifact { |
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29 |
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30 /** The logger for this class */ |
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31 private static Logger logger = Logger.getLogger(WINFOArtifact.class); |
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32 |
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33 |
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34 /** |
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35 * The default constructor. |
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36 */ |
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37 public WINFOArtifact() { |
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38 } |
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39 |
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40 |
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41 /** |
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42 * This method returns a description of this artifact. |
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43 * |
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44 * @param data Some data. |
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45 * @param CallContext The CallContext. |
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46 * |
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47 * @return the description of this artifact. |
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48 */ |
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49 public Document describe(Document data, CallContext context) { |
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50 logger.debug("Describe: the current state is: " + getCurrentStateId()); |
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51 |
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52 FLYSContext flysContext = null; |
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53 if (context instanceof FLYSContext) { |
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54 flysContext = (FLYSContext) context; |
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55 } |
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56 else { |
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57 flysContext = (FLYSContext) context.globalContext(); |
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58 } |
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59 |
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60 StateEngine stateEngine = (StateEngine) flysContext.get( |
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61 FLYSContext.STATE_ENGINE_KEY); |
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62 |
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63 TransitionEngine transitionEngine = (TransitionEngine) flysContext.get( |
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64 FLYSContext.TRANSITION_ENGINE_KEY); |
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65 |
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66 List<State> reachable = transitionEngine.getReachableStates( |
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67 getCurrentState(context), stateEngine); |
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68 |
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69 Document description = XMLUtils.newDocument(); |
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70 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator( |
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71 description, |
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72 ArtifactNamespaceContext.NAMESPACE_URI, |
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73 ArtifactNamespaceContext.NAMESPACE_PREFIX); |
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74 |
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75 Element root = ProtocolUtils.createRootNode(creator); |
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76 description.appendChild(root); |
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77 |
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78 State current = getCurrentState(context); |
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79 |
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80 ProtocolUtils.appendDescribeHeader(creator, root, identifier(), hash()); |
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81 ProtocolUtils.appendState(creator, root, current); |
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82 ProtocolUtils.appendReachableStates(creator, root, reachable); |
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83 |
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84 current.describe(description, root, context, identifier()); |
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85 |
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86 return description; |
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87 } |
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88 } |
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89 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |