Merge branch 'master' into bael-16656

geotools/README.md

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+## GeoTools
+
+This module contains articles about GeoTools
+
+### Relevant Articles
+
+[Introduction to GeoTools](https://www.baeldung.com/geo-tools)

geotools/pom.xml

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+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<artifactId>geotools</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>geotools</name>
+	<packaging>jar</packaging>
+	<url>http://maven.apache.org</url>
+
+	<parent>
+		<groupId>com.baeldung</groupId>
+		<artifactId>parent-modules</artifactId>
+		<version>1.0.0-SNAPSHOT</version>
+	</parent>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.geotools</groupId>
+			<artifactId>gt-shapefile</artifactId>
+			<version>${geotools-shapefile.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>org.geotools</groupId>
+			<artifactId>gt-epsg-hsql</artifactId>
+			<version>${geotools.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>org.geotools</groupId>
+			<artifactId>gt-swing</artifactId>
+			<version>${geotools-swing.version}</version>
+		</dependency>
+	</dependencies>
+
+	<repositories>
+		<repository>
+			<id>osgeo</id>
+			<name>Open Source Geospatial Foundation Repository</name>
+			<url>http://download.osgeo.org/webdav/geotools/</url>
+		</repository>
+	</repositories>
+
+	<properties>
+		<geotools.version>15.2</geotools.version>
+		<geotools-swing.version>15.2</geotools-swing.version>
+		<geotools-shapefile.version>15.2</geotools-shapefile.version>
+	</properties>
+
+</project>

geotools/src/main/java/com/baeldung/geotools/ShapeFile.java

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+package com.baeldung.geotools;
+
+import com.vividsolutions.jts.geom.Coordinate;
+import com.vividsolutions.jts.geom.GeometryFactory;
+import com.vividsolutions.jts.geom.Point;
+import org.geotools.data.DataUtilities;
+import org.geotools.data.DefaultTransaction;
+import org.geotools.data.Transaction;
+import org.geotools.data.shapefile.ShapefileDataStore;
+import org.geotools.data.shapefile.ShapefileDataStoreFactory;
+import org.geotools.data.simple.SimpleFeatureSource;
+import org.geotools.data.simple.SimpleFeatureStore;
+import org.geotools.feature.DefaultFeatureCollection;
+import org.geotools.feature.simple.SimpleFeatureBuilder;
+import org.geotools.feature.simple.SimpleFeatureTypeBuilder;
+import org.geotools.geometry.jts.JTSFactoryFinder;
+import org.geotools.referencing.crs.DefaultGeographicCRS;
+import org.geotools.swing.data.JFileDataStoreChooser;
+import org.opengis.feature.simple.SimpleFeature;
+import org.opengis.feature.simple.SimpleFeatureType;
+
+import java.io.File;
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.function.Function;
+
+public class ShapeFile {
+
+    private static final String FILE_NAME = "shapefile.shp";
+
+    public static void main(String[] args) throws Exception {
+
+        DefaultFeatureCollection collection = new DefaultFeatureCollection();
+
+        GeometryFactory geometryFactory = JTSFactoryFinder.getGeometryFactory(null);
+
+        SimpleFeatureType TYPE = DataUtilities.createType("Location", "location:Point:srid=4326," + "name:String");
+
+        SimpleFeatureType CITY = createFeatureType();
+
+        addLocations(CITY, collection);
+
+        File shapeFile = getNewShapeFile();
+
+        ShapefileDataStoreFactory dataStoreFactory = new ShapefileDataStoreFactory();
+
+        Map<String, Serializable> params = new HashMap<String, Serializable>();
+
+        ShapefileDataStore dataStore = setDataStoreParams(dataStoreFactory, params, shapeFile, CITY);
+
+        writeToFile(dataStore, collection);
+    }
+
+    static SimpleFeatureType createFeatureType() {
+
+        SimpleFeatureTypeBuilder builder = new SimpleFeatureTypeBuilder();
+        builder.setName("Location");
+        builder.setCRS(DefaultGeographicCRS.WGS84);
+
+        builder.add("Location", Point.class);
+        builder.length(15)
+          .add("Name", String.class);
+
+        return builder.buildFeatureType();
+    }
+
+    static void addLocations(SimpleFeatureType CITY, DefaultFeatureCollection collection) {
+
+        Map<String, List<Double>> locations = new HashMap<>();
+
+        double lat = 13.752222;
+        double lng = 100.493889;
+        addToLocationMap("Bangkok", lat, lng, locations);
+
+        lat = 53.083333;
+        lng = -0.15;
+        addToLocationMap("New York", lat, lng, locations);
+
+        lat = -33.925278;
+        lng = 18.423889;
+        addToLocationMap("Cape Town", lat, lng, locations);
+
+        lat = -33.859972;
+        lng = 151.211111;
+        addToLocationMap("Sydney", lat, lng, locations);
+
+        lat = 45.420833;
+        lng = -75.69;
+        addToLocationMap("Ottawa", lat, lng, locations);
+
+        lat = 30.07708;
+        lng = 31.285909;
+        addToLocationMap("Cairo", lat, lng, locations);
+
+        GeometryFactory geometryFactory = JTSFactoryFinder.getGeometryFactory(null);
+
+        locations.entrySet().stream()
+          .map(toFeature(CITY, geometryFactory))
+          .forEach(collection::add);
+    }
+
+    private static Function<Map.Entry<String, List<Double>>, SimpleFeature> toFeature(SimpleFeatureType CITY, GeometryFactory geometryFactory) {
+        return location -> {
+            Point point = geometryFactory.createPoint(
+              new Coordinate(location.getValue()
+                .get(0), location.getValue().get(1)));
+
+            SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder(CITY);
+            featureBuilder.add(point);
+            featureBuilder.add(location.getKey());
+            return featureBuilder.buildFeature(null);
+        };
+    }
+
+    private static void addToLocationMap(String name, double lat, double lng, Map<String, List<Double>> locations) {
+        List<Double> coordinates = new ArrayList<>();
+
+        coordinates.add(lat);
+        coordinates.add(lng);
+        locations.put(name, coordinates);
+    }
+
+    private static File getNewShapeFile() {
+        String filePath = new File(".").getAbsolutePath() + FILE_NAME;
+
+        JFileDataStoreChooser chooser = new JFileDataStoreChooser("shp");
+        chooser.setDialogTitle("Save shapefile");
+        chooser.setSelectedFile(new File(filePath));
+
+        int returnVal = chooser.showSaveDialog(null);
+
+        if (returnVal != JFileDataStoreChooser.APPROVE_OPTION) {
+            System.exit(0);
+        }
+
+        return chooser.getSelectedFile();
+    }
+
+    private static ShapefileDataStore setDataStoreParams(ShapefileDataStoreFactory dataStoreFactory, Map<String, Serializable> params, File shapeFile, SimpleFeatureType CITY) throws Exception {
+        params.put("url", shapeFile.toURI()
+          .toURL());
+        params.put("create spatial index", Boolean.TRUE);
+
+        ShapefileDataStore dataStore = (ShapefileDataStore) dataStoreFactory.createNewDataStore(params);
+        dataStore.createSchema(CITY);
+
+        return dataStore;
+    }
+
+    private static void writeToFile(ShapefileDataStore dataStore, DefaultFeatureCollection collection) throws Exception {
+
+        // If you decide to use the TYPE type and create a Data Store with it,
+        // You will need to uncomment this line to set the Coordinate Reference System
+        // newDataStore.forceSchemaCRS(DefaultGeographicCRS.WGS84);
+
+        Transaction transaction = new DefaultTransaction("create");
+
+        String typeName = dataStore.getTypeNames()[0];
+        SimpleFeatureSource featureSource = dataStore.getFeatureSource(typeName);
+
+        if (featureSource instanceof SimpleFeatureStore) {
+            SimpleFeatureStore featureStore = (SimpleFeatureStore) featureSource;
+
+            featureStore.setTransaction(transaction);
+            try {
+                featureStore.addFeatures(collection);
+                transaction.commit();
+            } catch (Exception problem) {
+                problem.printStackTrace();
+                transaction.rollback();
+            } finally {
+                transaction.close();
+            }
+            System.exit(0); // success!
+        } else {
+            System.out.println(typeName + " does not support read/write access");
+            System.exit(1);
+        }
+    }
+}

geotools/src/main/resources/logback.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>

geotools/src/test/java/com/baeldung/geotools/GeoToolsUnitTest.java

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+package com.baeldung.geotools;
+
+import static org.junit.Assert.assertNotNull;
+
+import org.geotools.feature.DefaultFeatureCollection;
+import org.junit.Test;
+import org.opengis.feature.simple.SimpleFeatureType;
+
+public class GeoToolsUnitTest {
+
+    @Test
+    public void givenFeatureType_whenAddLocations_returnFeatureCollection() {
+        DefaultFeatureCollection collection = new DefaultFeatureCollection();
+
+        SimpleFeatureType CITY = ShapeFile.createFeatureType();
+
+        ShapeFile.addLocations(CITY, collection);
+
+        assertNotNull(collection);
+    }
+    
+}