Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/WMSHWSLinesArtifact.java @ 5865:73da40528cf2

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River artifacts: Renamed FLYSUtils to RiverUtils.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 28 Apr 2013 15:09:31 +0200
parents 4897a58c8746
children af13ceeba52a
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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Sascha L. Teichmann <teichmann@intevation.de>
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.artifacts;
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10
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11 import java.util.List;
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12
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13 import org.w3c.dom.Document;
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14
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15 import org.apache.log4j.Logger;
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16
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17 import com.vividsolutions.jts.geom.Envelope;
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18
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19 import org.dive4elements.artifacts.ArtifactFactory;
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20 import org.dive4elements.artifacts.CallMeta;
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21
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22 import org.dive4elements.artifactdatabase.state.DefaultOutput;
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23 import org.dive4elements.artifactdatabase.state.Facet;
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24 import org.dive4elements.artifactdatabase.state.State;
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25
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26 import org.dive4elements.river.model.HWSLine;
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27 import org.dive4elements.river.model.River;
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28
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29 import org.dive4elements.river.artifacts.model.FacetTypes;
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30 import org.dive4elements.river.artifacts.model.RiverFactory;
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31 import org.dive4elements.river.utils.RiverUtils;
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32 import org.dive4elements.river.utils.GeometryUtils;
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33
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34
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35 public class WMSHWSLinesArtifact extends WMSDBArtifact {
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36
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37 public static final String NAME = "hws_lines";
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38
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39
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40 private static final Logger logger =
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41 Logger.getLogger(WMSHWSLinesArtifact.class);
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42
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43
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44 @Override
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45 public void setup(
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46 String identifier,
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47 ArtifactFactory factory,
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48 Object context,
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49 CallMeta callMeta,
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50 Document data)
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51 {
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52 logger.debug("WMSHWSLinesArtifact.setup");
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53
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54 super.setup(identifier, factory, context, callMeta, data);
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55 }
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56
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57
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58 @Override
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59 public String getName() {
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60 return NAME;
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61 }
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62
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63
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64 @Override
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65 public State getCurrentState(Object cc) {
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66 State s = new HWSLinesState(this);
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67
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68 List<Facet> fs = getFacets(getCurrentStateId());
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69
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70 DefaultOutput o = new DefaultOutput(
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71 "floodmap",
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72 "floodmap",
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73 "image/png",
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74 fs,
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75 "map");
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76
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77 s.getOutputs().add(o);
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78
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79 return s;
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80 }
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81
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82
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83 public static class HWSLinesState extends WMSDBState implements FacetTypes
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84 {
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85 private static final Logger logger =
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86 Logger.getLogger(HWSLinesState.class);
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87
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88 protected int riverId;
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89
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90 public HWSLinesState(WMSDBArtifact artifact) {
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91 super(artifact);
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92 riverId = 0;
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93 }
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94
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95 public int getRiverId() {
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96 if (riverId == 0) {
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97 String ids = artifact.getDataAsString("ids");
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98 String[] parts = ids.split(";");
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99
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100 try {
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101 riverId = Integer.parseInt(parts[0]);
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102 }
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103 catch (NumberFormatException nfe) {
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104 logger.error("Cannot parse river id from '" + parts[0] + "'");
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105 }
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106 }
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107
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108 return riverId;
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109 }
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110
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111 @Override
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112 protected String getFacetType() {
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113 return FLOODMAP_HWS_LINES;
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114 }
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115
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116 @Override
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117 protected String getUrl() {
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118 return RiverUtils.getUserWMSUrl(artifact.identifier());
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119 }
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120
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121 @Override
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122 protected String getSrid() {
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123 River river = RiverFactory.getRiver(getRiverId());
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124 return RiverUtils.getRiverSrid(river.getName());
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125 }
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126
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127 @Override
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128 protected Envelope getExtent(boolean reproject) {
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129 List<HWSLine> hws = HWSLine.getLines(getRiverId(), getName());
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130
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131 Envelope max = null;
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132
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133 for (HWSLine h: hws) {
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134 Envelope env = h.getGeom().getEnvelopeInternal();
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135
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136 if (max == null) {
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137 max = env;
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138 continue;
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139 }
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140
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141 max.expandToInclude(env);
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142 }
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143
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2fdbe78a8fc2 Fixed various projection issues during map creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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144 return max != null && reproject
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145 ? GeometryUtils.transform(max, getSrid())
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146 : max;
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147 }
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148
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149 @Override
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150 protected String getFilter() {
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151 return "river_id=" + String.valueOf(getRiverId())
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152 + " AND name='" + getName() + "'";
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153 }
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154
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155 @Override
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156 protected String getDataString() {
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157 String srid = getSrid();
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158
5865
73da40528cf2 River artifacts: Renamed FLYSUtils to RiverUtils.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5863
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159 if (RiverUtils.isUsingOracle()) {
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160 return "geom FROM hws_lines USING SRID " + srid;
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161 }
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162 else {
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163 return "geom FROM hws_lines USING UNIQUE id USING SRID " + srid;
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164 }
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165 }
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166
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167 @Override
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168 protected String getGeometryType() {
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169 return "LINE";
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170 }
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171 }
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172 }
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173 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org