annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSKmArtifact.java @ 4655:cd44d28d0fbc

Move the access to artifact data to the Access object Use BedHeightAccess class to receive the data from the artifact. This abstracts the data access from the actual artifact.
author Björn Ricks <bjoern.ricks@intevation.de>
date Tue, 11 Dec 2012 09:44:04 +0100
parents a2735a4bf75e
children
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
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7 import org.apache.log4j.Logger;
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8
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9 import com.vividsolutions.jts.geom.Envelope;
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10 import com.vividsolutions.jts.geom.Geometry;
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11
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12 import de.intevation.artifacts.ArtifactFactory;
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13 import de.intevation.artifacts.CallMeta;
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14
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15 import de.intevation.artifactdatabase.state.Facet;
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16 import de.intevation.artifactdatabase.state.DefaultOutput;
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17 import de.intevation.artifactdatabase.state.State;
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18
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19 import de.intevation.flys.model.River;
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50110699e38e Determine correct bounding box a KMs WMS layer.
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20 import de.intevation.flys.model.RiverAxisKm;
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21
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22 import de.intevation.flys.artifacts.WMSDBArtifact.WMSDBState;
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23 import de.intevation.flys.artifacts.model.FacetTypes;
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24 import de.intevation.flys.artifacts.model.RiverFactory;
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25 import de.intevation.flys.utils.FLYSUtils;
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26 import de.intevation.flys.utils.GeometryUtils;
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27
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28
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29 public class WMSKmArtifact extends WMSDBArtifact {
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30
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31 public static final String NAME = "wmskm";
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32
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34 private static final Logger logger = Logger.getLogger(WMSKmArtifact.class);
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35
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36
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37 @Override
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38 public void setup(
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39 String identifier,
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40 ArtifactFactory factory,
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41 Object context,
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42 CallMeta callMeta,
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43 Document data)
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44 {
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45 logger.debug("WMSKmArtifact.setup");
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46
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47 super.setup(identifier, factory, context, callMeta, data);
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48 }
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49
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50
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51 @Override
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52 public String getName() {
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53 return NAME;
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54 }
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55
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56
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57 @Override
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58 public State getCurrentState(Object cc) {
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59 State s = new WMSKmState(this);
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60
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61 List<Facet> fs = getFacets(getCurrentStateId());
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62
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63 DefaultOutput o = new DefaultOutput(
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64 "floodmap",
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65 "floodmap",
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66 "image/png",
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67 fs,
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68 "map");
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69
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70 s.getOutputs().add(o);
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71
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72 return s;
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73 }
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75
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76
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77 public static class WMSKmState extends WMSDBState implements FacetTypes {
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78
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79 private static final Logger logger = Logger.getLogger(WMSKmState.class);
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80
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81 protected Geometry geom;
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82 protected int riverId;
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83
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84 public WMSKmState(WMSDBArtifact artifact) {
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85 super(artifact);
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86 riverId = 0;
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87 }
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88
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89 public int getRiverId() {
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90 if (riverId == 0) {
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91 String ids = artifact.getDataAsString("ids");
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92
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93 try {
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94 riverId = Integer.parseInt(ids);
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95 }
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96 catch (NumberFormatException nfe) {
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97 logger.error("Cannot parse river id from '" + ids + "'");
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98 }
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99 }
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100
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101 return riverId;
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102 }
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103
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104 @Override
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105 protected String getFacetType() {
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106 return FLOODMAP_KMS;
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107 }
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108
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109 @Override
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110 protected String getUrl() {
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111 return FLYSUtils.getUserWMSUrl(artifact.identifier());
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112 }
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113
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114 @Override
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115 protected String getSrid() {
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116 River river = RiverFactory.getRiver(getRiverId());
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117 return FLYSUtils.getRiverSrid(river.getName());
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118 }
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119
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120 @Override
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121 protected Envelope getExtent(boolean reproject) {
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122 List<RiverAxisKm> kms = RiverAxisKm.getRiverAxisKms(getRiverId());
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123
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124 Envelope max = null;
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125
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126 for (RiverAxisKm km: kms) {
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127 Envelope env = km.getGeom().getEnvelopeInternal();
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128
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129 if (max == null) {
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130 max = env;
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131 continue;
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132 }
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133
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134 max.expandToInclude(env);
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135 }
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136
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137 return max != null && reproject
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138 ? GeometryUtils.transform(max, getSrid())
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139 : max;
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140 }
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141
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142 @Override
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143 protected String getFilter() {
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144 return "river_id=" + String.valueOf(getRiverId());
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145 }
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146
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147 @Override
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148 protected String getDataString() {
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149 String srid = getSrid();
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150
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151 if (FLYSUtils.isUsingOracle()) {
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152 return "geom FROM river_axes_km USING SRID " + srid;
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153 }
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154 else {
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155 return "geom FROM river_axes_km " +
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156 "USING UNIQUE id USING SRID " + srid;
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157 }
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158 }
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159
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160 @Override
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161 protected String getLabelItem() {
dd467951335c Added support for labels in Mapserver layers and options to modify its style.
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162 return "km";
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163 }
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164
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165 @Override
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166 protected String getGeometryType() {
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167 return "POINT";
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168 }
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169 } // end of WMSKmState
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170 }
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171 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

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