Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/utils/ShapeFileWriter.java @ 465:f7038820df2e

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Added support to trace rasters to JTS multi polygons and multi line strings. Write them to shape files with GeoTools. gnv-artifacts/trunk@526 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 11 Jan 2010 00:29:45 +0000
parents
children 4080b57dcb52
rev   line source
465
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 package de.intevation.gnv.utils;
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
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2
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
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3 import java.util.Map;
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4 import java.util.List;
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5 import java.util.HashMap;
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6
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7 import java.io.File;
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8 import java.io.IOException;
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9
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10 import java.net.MalformedURLException;
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11
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12 import com.vividsolutions.jts.geom.MultiPolygon;
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13 import com.vividsolutions.jts.geom.MultiLineString;
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14
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15 import org.geotools.data.DataUtilities;
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16 import org.geotools.data.Transaction;
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17 import org.geotools.data.DefaultTransaction;
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18 import org.geotools.data.FeatureWriter;
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19
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20 import org.geotools.feature.Feature;
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21 import org.geotools.feature.FeatureType;
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22 import org.geotools.feature.SchemaException;
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23 import org.geotools.feature.IllegalAttributeException;
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24
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25 import org.geotools.data.shapefile.ShapefileDataStore;
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26 import org.geotools.data.shapefile.ShapefileDataStoreFactory;
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27
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28 import org.apache.log4j.Logger;
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29
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30 /**
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
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31 * @author Sascha L. Teichmann (sascha.teichmann@intevation.de)
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32 */
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33 public final class ShapeFileWriter
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34 {
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35 private static Logger log = Logger.getLogger(
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36 ShapeFileWriter.class);
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37
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38 private ShapeFileWriter() {
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39 }
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40
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41 public static boolean writeMultiLineStringsToFile(
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42 File shapeFile,
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43 List<Pair<Object, MultiLineString>> multiLineStrings
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44 ) {
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45 return writeMultiLineStringsToFile(shapeFile, multiLineStrings, null);
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46 }
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47
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48 public static boolean writeMultiLineStringsToFile(
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49 File shapeFile,
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50 List<Pair<Object, MultiLineString>> multiLineStrings,
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51 String typeName
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52 ) {
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53 HashMap params = new HashMap();
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54
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55 try {
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56 params.put(
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57 ShapefileDataStoreFactory.URLP.key,
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58 shapeFile.toURI().toURL());
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59 }
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60 catch (MalformedURLException mue) {
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61 log.error(mue.getLocalizedMessage(), mue);
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62 return false;
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63 }
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64
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65 boolean success = false;
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66 Transaction tx = null;
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67
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68 try {
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69 ShapefileDataStoreFactory sfdsf =
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70 new ShapefileDataStoreFactory();
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71
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72 ShapefileDataStore sfds =
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73 (ShapefileDataStore)sfdsf.createNewDataStore(params);
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74
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75 if (typeName == null) {
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76 typeName = shapeFile.getName();
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77 }
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78
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79 FeatureType featureType = DataUtilities.createType(
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80 typeName,
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81 "geom:MultiLineString,VALUE:Double");
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82
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83 sfds.createSchema(featureType);
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84
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85 tx = new DefaultTransaction();
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86
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87 FeatureWriter featureWriter = sfds.getFeatureWriter(
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88 typeName, tx);
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89
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90 for (Pair<Object, MultiLineString> pair: multiLineStrings) {
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91 log.debug("00000000000000000 -> " + pair.getA());
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92 Feature feature = featureWriter.next();
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93 feature.setAttribute("geom", pair.getB());
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94 feature.setAttribute("VALUE", asDouble(pair.getA()));
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95 featureWriter.write();
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96 }
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97
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98 tx.commit();
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99 success = true;
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100 }
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101 catch (IllegalAttributeException iae) {
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102 log.error(iae.getLocalizedMessage(), iae);
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103 }
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104 catch (SchemaException se) {
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105 log.error(se.getLocalizedMessage(), se);
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106 }
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107 catch (IOException ioe) {
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108 log.error(ioe.getLocalizedMessage(), ioe);
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109 }
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110 finally {
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111 if (!success && tx != null) {
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112 try { tx.rollback(); }
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113 catch (IOException ioe) {}
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114 }
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115 }
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116
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
117 if (tx != null) {
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
118 try { tx.close(); }
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
119 catch (IOException ioe) {}
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
120 }
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
121
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
122 return success;
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
123 }
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
124
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
125 public static boolean writeMultiPolygonsToFile(
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
126 File shapeFile,
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parents:
diff changeset
127 Map<Integer, MultiPolygon> multiPolygons
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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128 ) {
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
129 return writeMultiPolygonsToFile(shapeFile, multiPolygons, null);
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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130 }
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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131
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
132 public static boolean writeMultiPolygonsToFile(
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
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133 File shapeFile,
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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134 Map<Integer, MultiPolygon> multiPolygons,
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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135 String typeName
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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136 ) {
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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diff changeset
137 HashMap params = new HashMap();
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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138
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
139 try {
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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diff changeset
140 params.put(
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
141 ShapefileDataStoreFactory.URLP.key,
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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142 shapeFile.toURI().toURL());
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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143 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
144 catch (MalformedURLException mue) {
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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145 log.error(mue.getLocalizedMessage(), mue);
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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146 return false;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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147 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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148
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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149 boolean success = false;
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parents:
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150 Transaction tx = null;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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151
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
152 try {
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
153 ShapefileDataStoreFactory sfdsf =
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
154 new ShapefileDataStoreFactory();
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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155
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
156 ShapefileDataStore sfds =
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parents:
diff changeset
157 (ShapefileDataStore)sfdsf.createNewDataStore(params);
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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158
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
159 if (typeName == null) {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
160 typeName = shapeFile.getName();
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
161 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
162
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
163 FeatureType featureType = DataUtilities.createType(
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parents:
diff changeset
164 typeName,
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parents:
diff changeset
165 "geom:MultiPolygon,CLASS:Integer");
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
166
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
167 sfds.createSchema(featureType);
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
168
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
169 tx = new DefaultTransaction();
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
170
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
171 FeatureWriter featureWriter = sfds.getFeatureWriter(
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parents:
diff changeset
172 typeName, tx);
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
173
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
174 for (Map.Entry<Integer, MultiPolygon> entry:
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
175 multiPolygons.entrySet()
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
176 ) {
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
177 Feature feature = featureWriter.next();
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
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parents:
diff changeset
178 feature.setAttribute("geom", entry.getValue());
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parents:
diff changeset
179 feature.setAttribute("CLASS", entry.getKey());
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
180 featureWriter.write();
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
181 }
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
182
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
183 tx.commit();
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
184 success = true;
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
185 }
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
186 catch (IllegalAttributeException iae) {
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
187 log.error(iae.getLocalizedMessage(), iae);
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
188 }
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
189 catch (SchemaException se) {
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
190 log.error(se.getLocalizedMessage(), se);
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
191 }
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
192 catch (IOException ioe) {
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
193 log.error(ioe.getLocalizedMessage(), ioe);
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
194 }
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
195 finally {
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
196 if (!success && tx != null) {
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
197 try { tx.rollback(); }
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
198 catch (IOException ioe) {}
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
199 }
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
200 }
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
201
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
202 if (tx != null) {
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
203 try { tx.close(); }
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
204 catch (IOException ioe) {}
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
205 }
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
206
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
207 return success;
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
208 }
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
209
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
210 private static final Double asDouble(Object a) {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
211 if (a instanceof Double)
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
212 return (Double)a;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
213 if (a instanceof Number)
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
214 return Double.valueOf(((Number)a).doubleValue());
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
215 return 0d;
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
216 }
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
217 }
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
218 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org