Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/state/profile/horizontalcrosssection/HorizontalCrossSectionMeshOutputState.java @ 468:7ba4c7222265

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Added ij-Index determination for horizontal-cross-sections. gnv-artifacts/trunk@531 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Tue, 12 Jan 2010 11:34:25 +0000
parents 3ddc22aab764
children 06887e2e3f7a
rev   line source
335
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1 /**
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2 *
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3 */
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4 package de.intevation.gnv.state.profile.horizontalcrosssection;
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5
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6 import java.io.IOException;
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7 import java.io.OutputStream;
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8 import java.io.OutputStreamWriter;
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9 import java.io.UnsupportedEncodingException;
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10 import java.util.Arrays;
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11 import java.util.Collection;
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12 import java.util.Iterator;
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13 import java.util.List;
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14 import java.util.Locale;
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15
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16 import org.apache.log4j.Logger;
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17
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18 import org.jfree.chart.ChartTheme;
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19 import org.w3c.dom.Node;
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20
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21 import com.vividsolutions.jts.geom.Coordinate;
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22 import com.vividsolutions.jts.geom.Envelope;
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23 import com.vividsolutions.jts.geom.Polygon;
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24 import com.vividsolutions.jts.io.ParseException;
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25 import com.vividsolutions.jts.io.WKTReader;
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26
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27 import au.com.bytecode.opencsv.CSVWriter;
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28 import de.intevation.gnv.artifacts.cache.CacheFactory;
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29 import de.intevation.gnv.artifacts.context.GNVArtifactContext;
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30 import de.intevation.gnv.chart.Chart;
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31 import de.intevation.gnv.chart.ChartLabels;
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32 import de.intevation.gnv.geobackend.base.Result;
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33 import de.intevation.gnv.geobackend.base.query.QueryExecutor;
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34 import de.intevation.gnv.geobackend.base.query.QueryExecutorFactory;
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35 import de.intevation.gnv.geobackend.base.query.exception.QueryException;
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36 import de.intevation.gnv.state.InputData;
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37 import de.intevation.gnv.state.exception.StateException;
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38 import de.intevation.gnv.state.timeseries.TimeSeriesOutputState;
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39 import de.intevation.gnv.statistics.Statistics;
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40 import de.intevation.gnv.utils.StringUtils;
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41 import de.intevation.gnv.utils.WKTUtils;
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42
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43 import de.intevation.artifactdatabase.Config;
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44 import de.intevation.artifacts.CallContext;
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45
335
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46 /**
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47 * @author Tim Englich <tim.englich@intevation.de>
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48 *
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49 */
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50 public class HorizontalCrossSectionMeshOutputState
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51 extends TimeSeriesOutputState {
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52
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53 private static Logger log = Logger
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54 .getLogger(HorizontalCrossSectionMeshOutputState.class);
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55
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56 /**
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57 * The UID of this Class
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58 */
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59 private static final long serialVersionUID = 3233620652465061860L;
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60
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61 private String ijkQueryID = null;
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62
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63 /**
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64 * Constructor
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65 */
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66 public HorizontalCrossSectionMeshOutputState() {
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67 super();
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68 super.domainLable = "chart.horizontalcrosssection.title.xaxis";
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69 }
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70
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71 @Override
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72 protected Chart getChart(
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73 ChartLabels chartLables,
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74 ChartTheme theme,
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75 Collection parameters,
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76 Collection measurements,
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77 Collection dates,
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78 Object result,
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79 Locale locale,
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80 String uuid,
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81 boolean linesVisible,
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82 boolean shapesVisible,
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83 CallContext callContext
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84 ) {
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85 Chart chart = null;
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86
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87 if (CACHE_CHART) {
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88 log.info("Try to get horizontalcrosssection chart from cache.");
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89 chart = (Chart) getChartFromCache(uuid, callContext);
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90 }
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91
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92 if (chart != null)
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93 return chart;
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94
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95 log.info("Chart not in cache yet.");
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96
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97 log.warn("This sort of chart is not implemented yet.");
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98 /* TODO Implement a special chart for this sort of charts.
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99 chart = new HorizontalProfileChart(
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100 chartLables,
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101 chartTheme,
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102 parameters,
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103 measurements,
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104 result,
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105 dates,
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106 locale
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107 );
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108 chart.generateChart();
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109
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110 if (CACHE_CHART) {
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111 log.info("Put chart into cache.");
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112 purifyChart(chart, uuid);
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113 }
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114 */
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115
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116 InputData meshPolygon = inputData.get("mesh_polygon");
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117 String meshPolygonWkt = null;
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118 if (meshPolygon != null){
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119 meshPolygonWkt = meshPolygon.getValue();
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120
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121 }
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122 log.debug("Used Polygon: "+meshPolygonWkt);
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123
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124 return chart;
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125 }
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126
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127 /**
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128 * @see de.intevation.gnv.state.OutputStateBase#getChartResult(java.lang.String, de.intevation.artifacts.CallContext)
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129 */
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130 @Override
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131 protected Object getChartResult(String uuid, CallContext callContext) {
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132 log.debug("HorizontalProfileMeshCrossOutputState.getChartResult");
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133 Collection<Result> result = null;
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134 if (CacheFactory.getInstance().isInitialized()) {
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135 String key = uuid + super.getID();
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136 log.debug("Hash for Queryelements: " + key);
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137 net.sf.ehcache.Element value = CacheFactory.getInstance().getCache().get(key);
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138 if (value != null) {
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diff changeset
139 result = (Collection<Result>) (value.getObjectValue());
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diff changeset
140 }else{
335
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diff changeset
141
468
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diff changeset
142 InputData meshPolygon = inputData.get("mesh_polygon");
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diff changeset
143 InputData meshId = inputData.get("meshid");
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diff changeset
144
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diff changeset
145 if (meshPolygon == null) {
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diff changeset
146 log.error("mesh_polygon is not defined");
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diff changeset
147 throw new IllegalStateException("missing mesh_linestring");
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diff changeset
148 }
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diff changeset
149
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diff changeset
150 if (meshId == null) {
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diff changeset
151 log.error("meshid is not defined");
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diff changeset
152 throw new IllegalStateException("missing meshid");
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diff changeset
153 }
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diff changeset
154 try {
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parents: 461
diff changeset
155 // TODO: Refactore in own Method to WKTUtils?
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parents: 461
diff changeset
156 Polygon p = (Polygon)new WKTReader().read(meshPolygon.getValue());
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diff changeset
157 Envelope env = p.getEnvelopeInternal();
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diff changeset
158 Coordinate[] coords = new Coordinate[4];
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diff changeset
159 coords[0] = new Coordinate(env.getMinX(), env.getMinY());
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diff changeset
160 coords[1] = new Coordinate(env.getMinX(), env.getMaxY());
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diff changeset
161 coords[2] = new Coordinate(env.getMaxX(), env.getMaxY());
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diff changeset
162 coords[2] = new Coordinate(env.getMaxX(), env.getMinY());
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diff changeset
163
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diff changeset
164 String additionWhere =
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diff changeset
165 WKTUtils.worldEnvelopeCoordinatesToIndex(
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diff changeset
166 coords,
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diff changeset
167 result,
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diff changeset
168 meshId.getValue(),
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diff changeset
169 ijkQueryID);
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diff changeset
170
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diff changeset
171 String[] addedFilterValues = StringUtils.append(
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diff changeset
172 generateFilterValuesFromInputData(),
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diff changeset
173 additionWhere);
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diff changeset
174
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diff changeset
175 QueryExecutor queryExecutor = QueryExecutorFactory
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diff changeset
176 .getInstance()
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diff changeset
177 .getQueryExecutor();
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diff changeset
178
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diff changeset
179 result = process(
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diff changeset
180 Arrays.asList(coords),
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diff changeset
181 numSamples(callContext),
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Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
182 queryExecutor.executeQuery(
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parents: 461
diff changeset
183 queryID,
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Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
184 addedFilterValues),
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Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
185 p);
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Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
186 } catch (QueryException e) {
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parents: 461
diff changeset
187 log.error(e,e);
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Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
188 } catch (ParseException e) {
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parents: 461
diff changeset
189 log.error(e,e);
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Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
190 }
7ba4c7222265 Added ij-Index determination for horizontal-cross-sections.
Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
191
7ba4c7222265 Added ij-Index determination for horizontal-cross-sections.
Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
192 if (CacheFactory.getInstance().isInitialized()) {
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Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
193 CacheFactory.getInstance().getCache().put(new net.sf.ehcache.Element(key, result));
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parents: 461
diff changeset
194 }
7ba4c7222265 Added ij-Index determination for horizontal-cross-sections.
Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
195
7ba4c7222265 Added ij-Index determination for horizontal-cross-sections.
Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
196 }
7ba4c7222265 Added ij-Index determination for horizontal-cross-sections.
Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
197 }
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diff changeset
198 return result;
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parents: 461
diff changeset
199
7ba4c7222265 Added ij-Index determination for horizontal-cross-sections.
Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
200
7ba4c7222265 Added ij-Index determination for horizontal-cross-sections.
Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
201 }
7ba4c7222265 Added ij-Index determination for horizontal-cross-sections.
Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
202
7ba4c7222265 Added ij-Index determination for horizontal-cross-sections.
Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
203 public static Collection<Result> process(
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Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
204 List<Coordinate> path,
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Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
205 int numSamples,
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Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
206 Collection<Result> input,
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parents: 461
diff changeset
207 Polygon polygon
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Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
208 ) {
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parents: 461
diff changeset
209 // TODO: IMPLEMENT ME INTEGRATE POLYGONCLIPPING
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parents: 461
diff changeset
210 return null;
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Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
211 }
335
e964a3d8f7bc Some Refactoring work done.
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parents:
diff changeset
212
e964a3d8f7bc Some Refactoring work done.
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parents:
diff changeset
213 /**
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parents:
diff changeset
214 * @see de.intevation.gnv.state.timeseries.TimeSeriesOutputState#getStatisticsGenerator()
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parents:
diff changeset
215 */
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parents:
diff changeset
216 @Override
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Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
217 protected Statistics getStatisticsGenerator() {
461
3ddc22aab764 Removed Encodingerrors from listed Files. All Files are now UTF-8 compliant.
Tim Englich <tim.englich@intevation.de>
parents: 459
diff changeset
218 return null; //Statistics are not supported for this kind of OutputState.
335
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parents:
diff changeset
219 }
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Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
220
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parents:
diff changeset
221 /**
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parents:
diff changeset
222 * @see de.intevation.gnv.state.timeseries.TimeSeriesOutputState#createCSV(java.io.OutputStream,
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parents:
diff changeset
223 * java.util.Collection)
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Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
224 */
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parents:
diff changeset
225 @Override
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Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
226 protected void createCSV(OutputStream outputStream,
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parents:
diff changeset
227 Collection<Result> chartResult)
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parents:
diff changeset
228 throws UnsupportedEncodingException,
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
229 IOException,
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Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
230 StateException {
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Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
231 if (chartResult != null) {
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Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
232 try {
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
233 CSVWriter writer = new CSVWriter(new OutputStreamWriter(
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
234 outputStream, "ISO-8859-1"), ',');
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Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
235 // USE THIS ENCODING BECAUSE OF
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Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
236 // PROBLEMS WITH EXCEL AND UTF-8
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parents:
diff changeset
237 Iterator<Result> it = chartResult.iterator();
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
238 while (it.hasNext()) {
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
239 Result result = it.next();
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Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
240 int i = 0;
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Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
241 String[] entries = new String[5];
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Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
242 entries[i++] = result.getString("SHAPE");
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Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
243 entries[i++] = result.getString("YORDINATE");
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Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
244 entries[i++] = result.getString("IPOSITION");
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Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
245 entries[i++] = result.getString("JPOSITION");
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Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
246 entries[i++] = result.getString("KPOSITION");
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parents:
diff changeset
247 writer.writeNext(entries);
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parents:
diff changeset
248 }
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parents:
diff changeset
249 writer.close();
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parents:
diff changeset
250 } catch (Exception e) {
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parents:
diff changeset
251 log.error(e,e);
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Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
252 throw new StateException(
e964a3d8f7bc Some Refactoring work done.
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parents:
diff changeset
253 "Exception occured while parsing an Point from WKT.");
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parents:
diff changeset
254 }
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parents:
diff changeset
255 } else {
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
256 log.error("No Data given for generating an CSV-File.");
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
257 throw new StateException(
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Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
258 "No Data given for generating an CSV-File.");
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Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
259 }
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
260 }
468
7ba4c7222265 Added ij-Index determination for horizontal-cross-sections.
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parents: 461
diff changeset
261
7ba4c7222265 Added ij-Index determination for horizontal-cross-sections.
Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
262 /**
7ba4c7222265 Added ij-Index determination for horizontal-cross-sections.
Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
263 * @see de.intevation.gnv.state.timeseries.TimeSeriesOutputState#setup(org.w3c.dom.Node)
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Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
264 */
7ba4c7222265 Added ij-Index determination for horizontal-cross-sections.
Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
265 @Override
7ba4c7222265 Added ij-Index determination for horizontal-cross-sections.
Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
266 public void setup(Node configuration) {
7ba4c7222265 Added ij-Index determination for horizontal-cross-sections.
Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
267 super.setup(configuration);
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parents: 461
diff changeset
268 this.ijkQueryID = Config.getStringXPath(configuration,"queryID-ijk");
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parents: 461
diff changeset
269
7ba4c7222265 Added ij-Index determination for horizontal-cross-sections.
Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
270 }
7ba4c7222265 Added ij-Index determination for horizontal-cross-sections.
Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
271
7ba4c7222265 Added ij-Index determination for horizontal-cross-sections.
Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
272 private static int numSamples(CallContext callContext) {
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Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
273 GNVArtifactContext context =
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Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
274 (GNVArtifactContext)callContext.globalContext();
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Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
275 Integer samples = (Integer)context.get(
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parents: 461
diff changeset
276 GNVArtifactContext.HORIZONTAL_CROSS_SECTION_SAMPLES_KEY);
7ba4c7222265 Added ij-Index determination for horizontal-cross-sections.
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parents: 461
diff changeset
277 return samples != null
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Tim Englich <tim.englich@intevation.de>
parents: 461
diff changeset
278 ? samples.intValue()
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parents: 461
diff changeset
279 : GNVArtifactContext.DEFAULT_HORIZONTAL_CROSS_SECTION_SAMPLES;
7ba4c7222265 Added ij-Index determination for horizontal-cross-sections.
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parents: 461
diff changeset
280 }
335
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
281
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
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