Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/state/CoordinateSelectionState.java @ 507:45be952a3215

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Solved some issues. Removed encoding problems while formatting coordinates (issue137) and use this format as subtitle in charts (issue136). gnv-artifacts/trunk@590 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 21 Jan 2010 14:42:51 +0000
parents b7bb66440cc8
children c5ed4ea8fb64
rev   line source
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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;
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5
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6 import java.util.ArrayList;
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7 import java.util.Collection;
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8 import java.util.Iterator;
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9 import java.util.List;
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10
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11 import org.apache.log4j.Logger;
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12
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13 import com.vividsolutions.jts.geom.Point;
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14 import com.vividsolutions.jts.io.ParseException;
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15 import com.vividsolutions.jts.io.WKTReader;
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16
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17 import de.intevation.gnv.geobackend.base.Result;
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18 import de.intevation.gnv.state.describedata.DefaultKeyValueDescribeData;
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19 import de.intevation.gnv.state.describedata.KeyValueDescibeData;
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20 import de.intevation.gnv.state.describedata.NamedArrayList;
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21 import de.intevation.gnv.state.describedata.NamedCollection;
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22 import de.intevation.gnv.utils.InputValidator;
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23 import de.intevation.gnv.utils.WKTUtils;
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24 import de.intevation.gnv.utils.exception.ValidationException;
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25
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26 /**
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27 * @author Tim Englich <tim.englich@intevation.de>
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28 *
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29 */
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30 public class CoordinateSelectionState extends StateBase {
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31
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32 /**
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33 * the logger, used to log exceptions and additonaly information
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34 */
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35 private static Logger log = Logger.getLogger(CoordinateSelectionState.class);
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36
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37 /**
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38 * The UID of this Class
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39 */
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40 private static final long serialVersionUID = 6318923553625195063L;
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41
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42 /**
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43 * Constructor
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44 */
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45 public CoordinateSelectionState() {
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46 super();
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47 }
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48
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49 @Override
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50 protected void purifyResult(Collection<Result> result, String uuid) {
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51 log.debug("CoordinateSelectionState.purifyResult");
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52 List<Object> describeData = this.getDescibeData(uuid);
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53 if (describeData == null) {
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54 describeData = new ArrayList<Object>();
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55 }
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56 NamedCollection<KeyValueDescibeData> keyValueDescibeData = this
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57 .extractKVP(result, "FEATUREID", "SHAPE");
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58 describeData.add(keyValueDescibeData);
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59 this.setDescibeData(uuid, describeData);
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60 }
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61
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62 @Override
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63 protected String prepareInputData4RegionDBQuery(String value) {
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64 log.debug("CoordinateSelectionState.prepareInputData4RegionDBQuery");
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65 double distance=0.;
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66 String returnValue = null;
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67 try {
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68 Point center = new InputValidator().getPointValue(value);
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69 String meshIDValue = super.inputData.get("meshid").getValue();
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70 int segments = 97;
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71 int meshid = new Integer(meshIDValue);
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72 if (meshid == 3 || meshid == 5){ // TODO nicht hier festbrennen.
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73 distance = 0.15; //nord-ostsee 6nm // 97 Stützpunkte
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74 }else if (meshid == 1 || meshid == 4){
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75 distance = 0.03; //Kuestenmodell 1 nm
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76 }else if (meshid == 2 || meshid == 321){
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77 distance = 0.3; //SST Karten ca 20km
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78 }else if (meshid == 641){
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79 distance = 0.3; //Eisdaten Klima
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80 }
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81 returnValue = center.buffer(distance,segments).toText();
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82 } catch (NumberFormatException e) {
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83 log.error(e,e);
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84 } catch (ValidationException e) {
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85 log.error(e,e);
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86 }
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87 return returnValue;
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88
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89 }
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90
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91 /**
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92 * @see de.intevation.gnv.state.StateBase#extractKVP(java.util.Collection, java.lang.String, java.lang.String)
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93 */
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94 @Override
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95 protected NamedCollection<KeyValueDescibeData> extractKVP(
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96 Collection<Result> result,
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97 String keyid,
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98 String valueid) {
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99 Iterator<Result> rit = result.iterator();
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100 NamedCollection<KeyValueDescibeData> keyValueDescibeData = new NamedArrayList<KeyValueDescibeData>(
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101 this.dataName, result.size());
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102 keyValueDescibeData.setMultiSelect(this.dataMultiSelect);
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103 String prevKey = null;
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104 while (rit.hasNext()) {
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105 Result resultValue = rit.next();
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106 String key = resultValue.getString(keyid);
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107 if(prevKey == null || !prevKey.equals(key)){ // TODO: FIXME: We have to do that because the arcsde does not support a distinct Query on Layers
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108 String geomString = this.convert2DisplayCoordinate(resultValue.getString(valueid));
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109 String value = geomString;
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110 if (resultValue.getResultDescriptor().getColumnIndex("VALUE") > 0){
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111 value = resultValue.getString("VALUE") + " - "+value;
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112 }
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113
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114
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115 keyValueDescibeData.add(new DefaultKeyValueDescribeData(key,value ));
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116 }
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117 prevKey = key;
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118 }
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119 return keyValueDescibeData;
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120 }
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121
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122 protected static String convert2DisplayCoordinate(String wkt){
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123 return WKTUtils.toText(wkt);
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124 }
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125 }
http://dive4elements.wald.intevation.org