annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/ManualPointsSingleState.java @ 4873:2b371e42a9af

Add HWS Lines parameters and ogr_connection example
author Andre Heinecke <aheinecke@intevation.de>
date Fri, 25 Jan 2013 10:34:47 +0100
parents fbaba8e1a3a2
children
rev   line source
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1 package de.intevation.flys.artifacts.states;
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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.apache.log4j.Logger;
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6 import org.json.JSONArray;
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7 import org.json.JSONException;
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8
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9 import de.intevation.artifactdatabase.state.Facet;
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10 import de.intevation.artifacts.CallContext;
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11 import de.intevation.artifacts.CallMeta;
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12 import de.intevation.flys.artifacts.FLYSArtifact;
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13 import de.intevation.flys.artifacts.ManualPointsArtifact;
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14 import de.intevation.flys.artifacts.model.CrossSectionWaterLineFacet;
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15 import de.intevation.flys.artifacts.model.FacetTypes;
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16 import de.intevation.flys.artifacts.model.ManualPointsFacet;
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17 import de.intevation.flys.artifacts.resources.Resources;
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18
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19 /**
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20 * The only state for an ManualPointArtifact.
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21 */
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22 public class ManualPointsSingleState
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23 extends DefaultState
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24 implements FacetTypes
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25 {
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26 /** Developer-centric description of facet. */
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27 public static final String I18N_DESCRIPTION
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28 = "facet.longitudinal_section.manualpoint";
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29
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30 /** Part of data key. */
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31 protected static final String DOT_DATA
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32 = ".data";
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33
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34 /** Part of data key. */
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35 protected static final String DOT_LINES
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36 = ".lines";
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37
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38 /** The logger that is used in this state. */
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39 private static final Logger logger =
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40 Logger.getLogger(ManualPointsSingleState.class);
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41
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42
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43 /**
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44 * Add ManualPointsFacets to list of Facets.
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45 *
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46 * @param artifact Ignored.
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47 * @param hash Ignored.
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48 * @param meta CallMeta to be used for internationalization.
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49 * @param facets List to add ManualPointsFacet to.
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50 *
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51 * @return null.
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52 */
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53 public Object compute(
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54 FLYSArtifact artifact,
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55 String hash,
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56 CallMeta meta,
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57 List<Facet> facets
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58 ) {
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59 logger.debug("ManualPointsSingleState.compute()");
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60 ManualPointsArtifact points = (ManualPointsArtifact) artifact;
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61
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62 // Add Facet per Diagram type if data given.
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63 for (ChartType ct: ChartType.values()) {
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64 // Handle points.
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65 String pointData = points.getDataAsString(ct + "." + MANUALPOINTS +
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66 DOT_DATA);
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67 if (pointData != null && pointData.length() != 0
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68 && !pointData.equals("[]")) {
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69 String fName = ct + "." + MANUALPOINTS;
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70 ManualPointsFacet facet = new ManualPointsFacet(
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71 0,
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72 fName,
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73 Resources.getMsg(meta, MANUALPOINTS, "Manual Points"));
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74 facets.add(facet);
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75 logger.debug("compute(): ManualPointsFacet for " + ct + " created");
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76 }
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77 else {
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78 logger.debug("compute(): No points for " + ct);
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79 }
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80
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81 // Handle lines.
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82 String linesData = points.getDataAsString(ct + "." + MANUALPOINTS +
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83 DOT_LINES);
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84 if (linesData != null && linesData.length() != 0
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85 && !linesData.equals("[]")) {
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86 try {
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87 JSONArray lines = new JSONArray(linesData);
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88 for (int i = 0, P = lines.length(); i < P; i++) {
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89 JSONArray array = lines.getJSONArray(i);
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90 double y = array.getDouble(0);
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91 String name = array.getString(1);
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92 String fName = ct + "." + MANUALLINE;
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93 logger.debug("have facet: " + y + " / " + name + " -> " + fName);
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94 CrossSectionWaterLineFacet facet = new CrossSectionWaterLineFacet(
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95 i,
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96 fName,
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97 name);
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98
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99 facets.add(facet);
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100 }
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101 }
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102 catch(JSONException e){
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103 logger.error("Could not decode json.");
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104 }
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105
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106 }
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107 else {
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108 //logger.debug("No points for " + ct);
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109 }
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110 }
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111
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112 return null;
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113 }
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114
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115
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116 /** Call compute. */
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117 @Override
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118 public Object computeInit(
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119 FLYSArtifact artifact,
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120 String hash,
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121 Object context,
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122 CallMeta meta,
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123 List<Facet> facets
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124 ) {
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125 return compute(artifact, hash, meta, facets);
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126 }
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127
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128
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129 /** Call compute. */
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130 @Override
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131 public Object computeFeed(
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132 FLYSArtifact artifact,
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133 String hash,
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134 CallContext context,
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135 List<Facet> facets,
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136 Object old
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137 ) {
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138 return compute(artifact, hash, context.getMeta(), facets);
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139 }
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140 }
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141 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :

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