Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/CrossSectionArtifact.java @ 1966:f572536af56c

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Configure cross_sections cache. flys-artifacts/trunk@3377 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Fri, 09 Dec 2011 15:53:24 +0000
parents 85e442933e6d
children 27bb2e24f7f8
rev   line source
1964
85e442933e6d New CrossSectionArtifact.
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1 package de.intevation.flys.artifacts;
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2
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3 import java.util.ArrayList;
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4 import java.util.List;
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5
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6 import org.apache.log4j.Logger;
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7
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8 import org.w3c.dom.Document;
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9
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10 import de.intevation.artifacts.Artifact;
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11 import de.intevation.artifacts.ArtifactFactory;
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12 import de.intevation.artifacts.CallMeta;
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13
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14 import de.intevation.flys.artifacts.model.CrossSectionFacet;
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15
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16 import de.intevation.artifacts.common.ArtifactNamespaceContext;
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17 import de.intevation.artifacts.common.utils.XMLUtils;
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18
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19 import de.intevation.flys.artifacts.states.StaticState;
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20
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21 import de.intevation.artifactdatabase.data.DefaultStateData;
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22 import de.intevation.artifactdatabase.state.DefaultOutput;
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23 import de.intevation.artifactdatabase.state.Facet;
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24 import de.intevation.artifactdatabase.state.State;
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25
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26 import de.intevation.flys.artifacts.states.WMSBackgroundState;
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27
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28
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29 public class CrossSectionArtifact extends StaticFLYSArtifact {
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30
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31 /** Access ids of doc. */
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32 public static final String XPATH_IDS = "/art:action/art:ids/@value";
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33
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34 /** Name of Artifact. */
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35 public static final String CS_ARTIFACT_NAME = "cross_section";
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36
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37 /** Name of state. */
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38 public static final String STATIC_STATE_NAME = "state.cross_section";
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39
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40 /** Own logger. */
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41 private static final Logger logger =
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42 Logger.getLogger(CrossSectionArtifact.class);
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43
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44
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45 /** Return given name. */
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46 @Override
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47 public String getName() {
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48 return CS_ARTIFACT_NAME;
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49 }
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50
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51
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52 /** Store ids, create a (broken) CrossSectionFacet. */
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53 @Override
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54 public void setup(
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55 String identifier,
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56 ArtifactFactory factory,
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57 Object context,
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58 CallMeta callMeta,
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59 Document data)
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60 {
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61 logger.info("CrossSectionArtifact.setup");
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62
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63 super.setup(identifier, factory, context, callMeta, data);
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64
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65 String ids = XMLUtils.xpathString(
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66 data, XPATH_IDS, ArtifactNamespaceContext.INSTANCE);
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67
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68 if (ids != null && ids.length() > 0) {
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69 addStringData("ids", ids);
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70 }
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71 else {
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72 throw new IllegalArgumentException("No attribute 'ids' found!");
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73 }
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74
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75 List<Facet> fs = new ArrayList<Facet>();
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76 fs.add(new CrossSectionFacet(0, "TODO GET NAME FROM DB"));
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77
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78 StaticState state = (StaticState) getCurrentState(context);
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79 state.computeInit(this, hash(), context, callMeta, fs);
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80
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81 if (!fs.isEmpty()) {
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82 facets.put(getCurrentStateId(), fs);
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83 }
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84 }
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85
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86
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87 /** Do not copy data from daddyfact. */
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88 @Override
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89 protected void initialize(
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90 Artifact artifact,
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91 Object context,
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92 CallMeta callMeta)
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93 {
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94 // do nothing
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95 }
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96
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97
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98 /**
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99 * Create and return a new StaticState with charting output.
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100 */
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101 @Override
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102 public State getCurrentState(Object cc) {
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103 State state = new StaticState(STATIC_STATE_NAME);
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104
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105 List<Facet> fs = facets.get(getCurrentStateId());
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106
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107 DefaultOutput o = new DefaultOutput(
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108 "cross_section",
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109 "cross_section",
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110 "image/png",
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111 fs,
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112 "chart");
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113
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114 state.getOutputs().add(o);
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115
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116 return state;
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117 }
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118
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119
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120 /**
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121 * Get a list containing the one and only State.
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122 * @param context ignored.
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123 * @return list with one and only state.
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124 */
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125 @Override
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126 protected List<State> getStates(Object context) {
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127 ArrayList<State> states = new ArrayList<State>();
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128 states.add(getCurrentState(context));
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129
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130 return states;
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131 }
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132 }
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133 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org