IDEA Java解析GeoJson.json文件

一、遇到的问题
- 1. 无法导入成功
- 2. org.geotools.StyleFactory is not an ImageIO SPI class
- 3. Error parsing epsg:4326 as crs id
- 4. resolution will not be reattempted until the update interval of XXX has elapsed or updates are force
- 5. Exception java.lang.NoClassDefFoundExcepthon: org.geotools.util.factory.FactoryFinder
二、源码
- 1. pom.xml
- 2. 源码
- 3. geojson示例文件
- 4. settings.xml
三、注意
- 参考

一、遇到的问题

1. 无法导入成功

2. org.geotools.StyleFactory is not an ImageIO SPI class

解决： https://ask.csdn.net/questions/4105133
调整为jdk1.8就ok了

3. Error parsing epsg:4326 as crs id

换一个geojson示例的crs json串

4. resolution will not be reattempted until the update interval of XXX has elapsed or updates are force

解决： https://blog.csdn.net/u013066244/article/details/91986308

5. Exception java.lang.NoClassDefFoundExcepthon: org.geotools.util.factory.FactoryFinder

解决：所有的maven pom依赖都不能少

二、源码

1. pom.xml

<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><groupId>com.jjxliu.geotools</groupId><artifactId>geojson-demo</artifactId><version>0.0.1-SNAPSHOT</version><packaging>jar</packaging><name>geojson-demo</name><url>http://maven.apache.org</url><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><geotools.version>17.1</geotools.version></properties><dependencies><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>4.11</version><scope>test</scope></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-log4j2</artifactId><version>2.1.9.RELEASE</version></dependency><dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId><scope>compile</scope><version>1.18.10</version></dependency><dependency><groupId>com.alibaba</groupId><artifactId>fastjson</artifactId><version>1.2.75</version></dependency><dependency><groupId>org.geotools</groupId><artifactId>gt-shapefile</artifactId><version>22.3</version></dependency><dependency><groupId>org.geotools</groupId><artifactId>gt-swing</artifactId><version>${geotools.version}</version></dependency><!-- for geotools begin --><dependency><groupId>org.geotools</groupId><artifactId>gt-geojson</artifactId><version>24.2</version></dependency><!-- https://mvnrepository.com/artifact/org.geotools/gt-main --><dependency><groupId>org.geotools</groupId><artifactId>gt-main</artifactId><version>${geotools.version}</version></dependency><dependency><groupId>org.geotools</groupId><artifactId>gt-api</artifactId><version>${geotools.version}</version></dependency><dependency><groupId>org.geotools</groupId><artifactId>gt-opengis</artifactId><version>${geotools.version}</version></dependency><dependency><groupId>org.geotools</groupId><artifactId>gt-data</artifactId><version>${geotools.version}</version></dependency><dependency><groupId>org.geotools</groupId><artifactId>gt-referencing</artifactId><version>${geotools.version}</version></dependency><dependency><groupId>org.geotools</groupId><artifactId>gt-jdbc</artifactId><version>${geotools.version}</version></dependency><dependency><groupId>org.geotools.jdbc</groupId><artifactId>gt-jdbc-postgis</artifactId><version>${geotools.version}</version></dependency><dependency><groupId>org.geotools</groupId><artifactId>gt-epsg-hsql</artifactId><version>${geotools.version}</version></dependency><!--for geotools end--><dependency><groupId>org.opengeo</groupId><artifactId>geodb</artifactId><version>0.9</version><scope>runtime</scope></dependency><dependency><groupId>com.bedatadriven</groupId><artifactId>jackson-datatype-jts</artifactId><version>2.4</version></dependency><!-- https://mvnrepository.com/artifact/org.locationtech.jts/jts-core --><dependency><groupId>org.locationtech.jts</groupId><artifactId>jts-core</artifactId><version>1.18.0</version></dependency><!-- https://mvnrepository.com/artifact/org.gdal/gdal --><dependency><groupId>org.gdal</groupId><artifactId>gdal</artifactId><version>3.2.0</version><type>pom</type></dependency><!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind --><!-- <dependency><groupId>com.fasterxml.jackson.core</groupId><artifactId>jackson-databind</artifactId><version>2.12.1</version></dependency>--><dependency><groupId>net.sf.json-lib</groupId><artifactId>json-lib</artifactId><version>2.4</version><classifier>jdk15</classifier></dependency></dependencies><repositories><repository><id>osgeo</id><name>OSGeo Release Repository</name><url>https://repo.osgeo.org/repository/release/</url><snapshots><enabled>false</enabled></snapshots><releases><enabled>true</enabled><!--不加如下updatePolicy会报错：resolution will not be reattempted until the update interval of XXX has elapsed or updates are force--><updatePolicy>always</updatePolicy></releases></repository><repository><id>maven2-repository.dev.java.net</id><name>Java.net repository</name><url>http://download.java.net/maven/2</url></repository><repository><snapshots><enabled>true</enabled></snapshots><id>boundless</id><name>Boundless Maven Repository</name><url>http://repo.boundlessgeo.com/main</url></repository></repositories><build><plugins><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-compiler-plugin</artifactId><version>3.1</version><configuration><source>1.8</source><target>1.8</target></configuration></plugin><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId><version>2.0.4.RELEASE</version><executions><execution><goals><goal>repackage</goal></goals></execution></executions></plugin></plugins></build>
</project>

2. 源码

package com.test;import com.test.geojson.FeatureJSON;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.geotools.data.DataUtilities;
import org.geotools.data.collection.ListFeatureCollection;
import org.geotools.data.simple.SimpleFeatureCollection;
import org.geotools.feature.SchemaException;
import org.geotools.feature.simple.SimpleFeatureBuilder;
import org.geotools.geojson.geom.GeometryJSON;
import org.locationtech.jts.geom.GeometryFactory;
import org.locationtech.jts.geom.LineString;
import org.locationtech.jts.geom.Point;
import org.locationtech.jts.io.ParseException;
import org.locationtech.jts.io.WKTReader;
import org.opengis.feature.simple.SimpleFeature;
import org.opengis.feature.simple.SimpleFeatureType;
import org.opengis.referencing.crs.CoordinateReferenceSystem;import java.io.IOException;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.List;/**************************************Class Name: GeoJsonUtil*Description: <GeoJsonUtil工具类，重写FeatureJSON>*@create: 2021/2/23*@since 1.0.0*************************************/
@Slf4j
public class GeoJsonUtil {public void lineString2FeatureCollection() throws IOException, SchemaException, ParseException {String[] WKTS = {"LINESTRING (255351.04293761664 474966.9279243938, 255529.29662365236 474272.4599921228)","LINESTRING (255529.29662365236 474272.4599921228, 256166.05830998957 473979.44920198264)"};final SimpleFeatureType TYPE = DataUtilities.createType("Link","geometry:LineString," + // <- the geometry attribute: Point type"gid:String," +   // <- a String attribute"direction:Integer," +   // a number attribute"orientation:Integer");SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder(TYPE);GeometryFactory geometryFactory = new GeometryFactory();WKTReader reader = new WKTReader(geometryFactory);FeatureJSON fjson = new FeatureJSON();List<SimpleFeature> features = new ArrayList<>();SimpleFeatureCollection collection = new ListFeatureCollection(TYPE, features);for (String wkt : WKTS) {LineString lineString = (LineString) reader.read(wkt);featureBuilder.add(lineString);featureBuilder.add("123456");featureBuilder.add(2);featureBuilder.add(1);SimpleFeature feature = featureBuilder.buildFeature(null);features.add(feature);}StringWriter writer = new StringWriter();fjson.writeFeatureCollection(collection, writer);System.out.println(writer.toString());}public void point2FeatureCollection() throws IOException, SchemaException, ParseException {String[] WKTS = {"POINT (255351.04293761664 474966.9279243938 1.0)","POINT (255529.29662365236 474272.4599921228 2.0)","POINT (256166.05830998957 473979.44920198264 3.111)"};// 坐标顺序是EAST_NORTH，即经度在前String json = "{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"properties\":{\"area\":3865207830, \"text\": null},\"id\":\"polygon.1\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[116.19827270507814,39.78321267821705],[116.04446411132814,39.232253141714914],[116.89590454101562,39.3831409542565],[116.86981201171876,39.918162846609455],[116.19827270507814,39.78321267821705]]]}}],\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}}}";FeatureJSON fjson_15 = new FeatureJSON(new GeometryJSON(15));CoordinateReferenceSystem crs = fjson_15.readCRS(json);final SimpleFeatureType TYPE = DataUtilities.createType("Point","geometry:Point," + // <- the geometry attribute: Point type"id:String," +   // <- a String attribute"mag:Integer" // <- 权重，叠加次数);SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder(TYPE);GeometryFactory geometryFactory = new GeometryFactory();WKTReader reader = new WKTReader(geometryFactory);FeatureJSON fjson = new FeatureJSON();List<SimpleFeature> features = new ArrayList<>();SimpleFeatureCollection collection = new ListFeatureCollection(TYPE, features);for (String wkt : WKTS) {Point point = (Point) reader.read(wkt);featureBuilder.add(point);featureBuilder.add("1");featureBuilder.add(2);SimpleFeature feature = featureBuilder.buildFeature(null);features.add(feature);}StringWriter writer = new StringWriter();fjson.setEncodeFeatureCollectionCRS(true);fjson.writeFeatureCollection(collection, writer);System.out.println(writer.toString());}public static void main(String[] args) throws ParseException, IOException, SchemaException {GeoJsonUtil geoJsonUtil = new GeoJsonUtil();geoJsonUtil.point2FeatureCollection();List<String> list1 = new ArrayList<>();list1.add("1");list1.add("2");list1.add("3");String deArr[] = list1.toArray(new String[list1.size()]);String str = "('" + StringUtils.join(deArr, "','") + "')";log.info("str: {}", str);}
}

3. geojson示例文件

{"type": "FeatureCollection","features": [{"properties": {"version": 0},"id": "1","type": "Feature","geometry": {"type": "Polygon","coordinates": [[[1868732.467515988,6594375.3042187244],[1868732.467515988,5165920.1196253505],[3297187.6521093622,5165920.1196253505],[3297187.6521093622,6594375.3042187244],[1868732.467515988,6594375.3042187244]]]}}]
}

4. settings.xml

<?xml version="1.0" encoding="UTF-8"?>
<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd"><localRepository>D:\mavenrepositories</localRepository><servers><server><id>nexus</id><username>radmin</username><password>radmin123</password></server><server><id>xxxxxx-releases</id><username>radmin</username><password>radmin123</password></server><server><id>xxxxxx-snapshots</id><username>radmin</username><password>radmin123</password></server><server><id>aliyun</id><username>ali</username><password>ali</password></server></servers><!--<mirrors><mirror><id>xxxxxx</id><mirrorOf>xxxxxx</mirrorOf><url>http://192.133.2.111:9999/nexus/content/groups/public/</url></mirror><mirror><id>aliyun</id><name>aliyun maven</name><url>http://maven.aliyun.com/nexus/content/groups/public/</url><mirrorOf>*,!osgeo,!maven2-repository.dev.java.net,!boundless</mirrorOf></mirror><mirror><id>osgeo</id><mirrorOf>osgeo</mirrorOf><url>http://download.osgeo.org/webdav/geotools/</url></mirror><mirror><id>boundless</id><mirrorOf>boundless</mirrorOf><url>https://repo.boundlessgeo.com/main/</url></mirror></mirrors>--><profiles><profile><id>aliyun</id><repositories><repository><id>aliyun-releases</id><name>Releases</name><url>http://maven.aliyun.com/nexus/content/groups/public/</url><releases><enabled>true</enabled><updatePolicy>always</updatePolicy></releases><snapshots><enabled>true</enabled><updatePolicy>always</updatePolicy></snapshots></repository><repository><id>aliyun-snapshots</id><name>Snapshots</name><url>http://maven.aliyun.com/nexus/content/repositories/snapshots/</url><releases><enabled>true</enabled><updatePolicy>always</updatePolicy></releases><snapshots><enabled>true</enabled><updatePolicy>always</updatePolicy></snapshots></repository></repositories></profile><profile><id>xxxxxx</id><repositories><repository><id>xxxxxx-releases</id><name>Releases</name><url>http://192.133.2.111:9999/nexus/content/repositories/releases/</url><releases><enabled>true</enabled><updatePolicy>always</updatePolicy></releases><snapshots><enabled>true</enabled><updatePolicy>always</updatePolicy></snapshots></repository><repository><id>xxxxxx-flexgroup</id><name>flexgroup</name><url>http://192.133.2.111:9999/nexus/content/repositories/flexgroup/</url></repository><repository><id>xxxxxx-thirdparty</id><name>thirdparty</name><url>http://192.133.2.111:9999/nexus/content/repositories/thirdparty/</url></repository><repository><id>xxxxxx-snapshots</id><name>Snapshots</name><url>http://192.133.2.111:9999/nexus/content/repositories/snapshots/</url><snapshots><enabled>true</enabled><updatePolicy>always</updatePolicy></snapshots></repository></repositories><pluginRepositories><pluginRepository><id>central</id><name>Nexus</name><url>http://192.133.2.111:9999/nexus/content/groups/public/</url><releases><enabled>true</enabled><updatePolicy>always</updatePolicy></releases><snapshots><enabled>true</enabled><updatePolicy>always</updatePolicy></snapshots></pluginRepository></pluginRepositories></profile><profile><id>jdk-1.8</id><activation><activeByDefault>true</activeByDefault><jdk>1.8</jdk></activation><properties><maven.compiler.source>1.8</maven.compiler.source><maven.compiler.target>1.8</maven.compiler.target><maven.compiler.compilerVersion>1.8</maven.compiler.compilerVersion></properties></profile></profiles><activeProfiles><activeProfile>xxxxxx</activeProfile><activeProfile>aliyun</activeProfile></activeProfiles>
</settings>

三、注意

jdk1.8
配置repository updatePolicy
org.locationtech.jts.geom.GeometryFactory; 与 com.vividsolutions.jts.geom.GeometryFactory; 用哪个包就导入哪个的所有类
gdal竟然导入成功了，原来之前导不进来是因为没有配置repository；

 <repositories><repository><id>osgeo</id><name>OSGeo Release Repository</name><url>https://repo.osgeo.org/repository/release/</url><snapshots><enabled>false</enabled></snapshots><releases><enabled>true</enabled><!--不加如下updatePolicy会报错：resolution will not be reattempted until the update interval of XXX has elapsed or updates are force--><updatePolicy>always</updatePolicy></releases></repository>
</repositories>

参考

Maven中GeoTools的引入 - Maven 的 repository 与 mirror
geojson格式介绍
https://www.codeleading.com/article/62773085591/
GeoJson的生成与解析
Create shapefile based on geojson data with geotools (Java)

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IDEA Java解析GeoJson.json文件

IDEA Java解析GeoJson.json文件

一、遇到的问题

1. 无法导入成功

2. org.geotools.StyleFactory is not an ImageIO SPI class

3. Error parsing epsg:4326 as crs id

4. resolution will not be reattempted until the update interval of XXX has elapsed or updates are force

5. Exception java.lang.NoClassDefFoundExcepthon: org.geotools.util.factory.FactoryFinder

二、源码

1. pom.xml

2. 源码

3. geojson示例文件

4. settings.xml

三、注意

参考

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