annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/WINFOArtifact.java @ 110:ff3335057f11

Improved the WINFO artifact. Describe() returns the uuid and the hash of the artifact instead of just nothing. flys-artifacts/trunk@1296 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 04 Feb 2011 16:57:08 +0000
parents 9891d133f08d
children 0fab16cb4d44
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.ArtifactFactory;
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11 import de.intevation.artifacts.ArtifactNamespaceContext;
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12 import de.intevation.artifacts.CallContext;
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14 import de.intevation.artifactdatabase.DefaultArtifact;
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15 import de.intevation.artifactdatabase.ProtocolUtils;
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16 import de.intevation.artifactdatabase.state.State;
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17 import de.intevation.artifactdatabase.state.StateEngine;
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19 import de.intevation.artifacts.common.utils.XMLUtils;
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20
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21 import de.intevation.flys.artifacts.context.FLYSContext;
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23
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24 /**
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25 * The default WINFO artifact.
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26 *
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27 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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28 */
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29 public class WINFOArtifact extends DefaultArtifact {
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30
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31 /** The logger for this class */
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32 private static Logger logger = Logger.getLogger(WINFOArtifact.class);
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34 /** The name of the artifact. */
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35 public static final String ARTIFACT_NAME = "winfo";
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36
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37 /** The XPath to the name of the artifact in its configuration. */
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38 public static final String XPATH_ARTIFACT_NAME = "@name";
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39
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40 /** The current state. */
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41 protected State currentState;
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44 /**
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45 * The default constructor.
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46 */
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47 public WINFOArtifact() {
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48 }
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49
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50
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51 /**
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52 * Set the current state of this artifact.
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53 *
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54 * @param state The new current state.
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55 */
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56 protected void setCurrentState(State state) {
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57 currentState = state;
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58 }
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59
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60
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61 /**
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62 * Initialize the artifact and insert new data if <code>data</code> contains
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63 * information necessary for this artifact.
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64 *
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65 * @param identifier The UUID.
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66 * @param factory The factory that is used to create this artifact.
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67 * @param context The CallContext.
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68 * @param data Some optional data.
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69 */
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70 @Override
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71 public void setup(
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72 String identifier,
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73 ArtifactFactory factory,
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74 Object context,
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75 Document data)
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76 {
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77 logger.debug("Setup this artifact with the uuid: " + identifier);
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78
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79 super.setup(identifier, factory, context, data);
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80
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81 FLYSContext flysContext = (FLYSContext) context;
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82 StateEngine engine = (StateEngine) flysContext.get(
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83 FLYSContext.STATE_ENGINE_KEY);
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85 List<State> states = engine.getStates(ARTIFACT_NAME);
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86
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87 setCurrentState(states.get(0));
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88 }
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90
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91 /**
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92 * This method returns a description of this artifact.
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93 *
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94 * @param data Some data.
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95 * @param CallContext The CallContext.
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96 *
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97 * @return the description of this artifact.
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98 */
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99 public Document describe(Document data, CallContext context) {
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100 logger.debug("Describe: the current state is: " + currentState.getID());
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101
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102 Document description = XMLUtils.newDocument();
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103
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104 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
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105 description,
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106 ArtifactNamespaceContext.NAMESPACE_URI,
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107 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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108
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109 Element root = ProtocolUtils.createRootNode(creator);
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110 ProtocolUtils.appendDescribeHeader(creator, root, identifier(), hash());
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111
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112 logger.warn("TODO: Implement the whole description!");
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114 description.appendChild(root);
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115
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116 return description;
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117 }
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118 }
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119 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

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