java根据Json生成shpfile文件

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pom

<properties>
	<project.build.sourceEncoding>UTF-8project.build.sourceEncoding>
	<geotools.version>18.4geotools.version>
properties>
<repositories>
	<repository>
        <id>osgeoid>
        <name>OSGeo Release Repositoryname>
        <url>https://repo.osgeo.org/repository/release/url>
        <snapshots><enabled>falseenabled>snapshots>
        <releases><enabled>trueenabled>releases>
      repository>
      <repository>
        <id>osgeo-snapshotid>
        <name>OSGeo Snapshot Repositoryname>
        <url>https://repo.osgeo.org/repository/snapshot/url>
        <snapshots><enabled>trueenabled>snapshots>
        <releases><enabled>falseenabled>releases>
      repository>
repositories>
	
<dependency>
	<groupId>org.geotoolsgroupId>
	<artifactId>gt-shapefileartifactId>
	<version>${geotools.version}version>
dependency>

<dependency>
	<groupId>org.geotoolsgroupId>
	<artifactId>gt-geojsonartifactId>
	<version>${geotools.version}version>
dependency>
<dependency>
	<groupId>org.geotoolsgroupId>
	<artifactId>gt-csvartifactId>
	<version>${geotools.version}version>
dependency>

<dependency>
    <groupId>commons-langgroupId>
    <artifactId>commons-langartifactId>
    <version>2.6version>
dependency>
<dependency>
    <groupId>com.alibabagroupId>
    <artifactId>fastjsonartifactId>
    <version>1.2.58version>
dependency>

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONException;
import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.GeometryFactory;
import com.vividsolutions.jts.geom.LineString;
import com.vividsolutions.jts.geom.Polygon;
import org.apache.commons.lang3.StringUtils;
import org.geotools.data.DataUtilities;
import org.geotools.data.FeatureWriter;
import org.geotools.data.Transaction;
import org.geotools.data.shapefile.ShapefileDataStore;
import org.geotools.data.shapefile.ShapefileDataStoreFactory;
import org.geotools.feature.SchemaException;
import org.geotools.feature.simple.SimpleFeatureTypeBuilder;
import org.geotools.referencing.crs.DefaultGeographicCRS;
import org.opengis.feature.IllegalAttributeException;
import org.opengis.feature.simple.SimpleFeature;
import org.opengis.feature.simple.SimpleFeatureType;

import java.io.File;
import java.io.Serializable;
import java.nio.charset.Charset;
import java.util.*;

/**
 * @author Mr.superbeyone
 * @project cs-sys
 * @className ShpWriterUtil
 * @description
 * @date 2019-07-10 16:09
 **/

public class ShpWriterUtil {

    /**
     * Json中存储坐标信息的key
     */
    private static final String PLOT_TYPE = "plotType";

    /**
     * Json中存储空间类型的key
     */
    private static final String JSON_GEOM_KEY = "pts";


    /**
     * the_geom can not be changed
     */
    private static final String GEOM_KEY = "the_geom";

    public static final String POINT = "POINT";

    public static final String LINE = "LINE";

    public static final String POLYGON = "POLYGON";


    private static List<Map<String, String>> getShpFieldDataMap(String jsonData) throws Exception {
        /**
         * 需要重定义的 key
         */
        jsonData = jsonData.replace(JSON_GEOM_KEY, GEOM_KEY);

        List list = new ArrayList();
        JSONArray jsonArray = JSONArray.parseArray(jsonData);
        Iterator<Object> iterator = jsonArray.iterator();
        while (iterator.hasNext()) {
            Map<String, Object> next = (Map<String, Object>) iterator.next();
            next.remove("images");
            list.add(next);
        }
        return list;
    }

    /**
     * 获取集合中的 key 全集
     *
     * @param mapList 从json中获得的数据集
     * @return key 全集
     */
    private static Set<String> getMaxKeyMap(List<Map<String, String>> mapList) {
        Set<String> keySet = new HashSet<>();

        for (Map<String, String> stringMap : mapList) {
            for (Map.Entry entry : stringMap.entrySet()) {
                if (entry.getKey() == null) {
                    continue;
                }
                String key = ((String) entry.getKey()).toUpperCase();
                if (!keySet.contains(key)) {
                    keySet.add(key);
                }
            }
        }

        keySet.add("ZIPCODE");
        keySet.add("URL");
        keySet.add("PRODATE");
        keySet.remove(PLOT_TYPE.toUpperCase());
        return keySet;
    }


    /**
     * 字符串转成空间字段所需的数组集合
     *
     * @param str
     * @return
     */
    private static Coordinate[] str2CoordinateArr(String str, String type) {
        List<Coordinate> coordinates = new ArrayList<>();
        String[] strings = StringUtils.split(str, ",");
        for (int i = 0; i < strings.length; i++) {
            String[] split = StringUtils.split(strings[i], " ");
            if (split.length == 2) {
                coordinates.add(new Coordinate(Double.parseDouble(split[1].trim()), Double.parseDouble(split[0].trim())));
            }
        }
        if (StringUtils.equals(type, POLYGON)) {
            coordinates.add(coordinates.get(0));
        }
        return coordinates.toArray(new Coordinate[coordinates.size()]);
    }


    /**
     * 生成shp文件
     *
     * @param filePath 文件路径
     * @return shp文件
     */
    private static File generateFile(String filePath) {
        //创建shape文件对象
        File root = new File(filePath);
        filePath += File.separator + root.getName();
        if (!StringUtils.endsWithIgnoreCase(filePath, ".shp")) {
            filePath += ".shp";
        }
        File file = new File(filePath);
        if (!file.getParentFile().exists()) {
            file.getParentFile().mkdirs();
        }
        return file;
    }

    public static void shpWriter(String filePath, String jsonData, String geomType) {
        try {

            File file = generateFile(filePath);

            List<Map<String, String>> shpFieldDataMapList = getShpFieldDataMap(jsonData);

            Set<String> keys = getMaxKeyMap(shpFieldDataMapList);

            Map<String, Serializable> params = new HashMap<String, Serializable>();
            params.put(ShapefileDataStoreFactory.URLP.key, file.toURI().toURL());
            ShapefileDataStore ds = (ShapefileDataStore) new ShapefileDataStoreFactory().createNewDataStore(params);
            //定义图形信息和属性信息
            SimpleFeatureTypeBuilder simpleFeatureTypeBuilder = new SimpleFeatureTypeBuilder();
            simpleFeatureTypeBuilder.setCRS(DefaultGeographicCRS.WGS84);
            simpleFeatureTypeBuilder.setName("shapeFile");

            switch (geomType.toUpperCase()) {
                case POINT:
                    simpleFeatureTypeBuilder.add(GEOM_KEY, Point.class);
                    break;
                case LINE:
                    simpleFeatureTypeBuilder.add(GEOM_KEY, LineString.class);
                    break;
                case POLYGON:
                    simpleFeatureTypeBuilder.add(GEOM_KEY, Polygon.class);
                    break;
                default:
                    throw new RuntimeException("空间字段类型错误");
            }
            for (String key : keys) {
                simpleFeatureTypeBuilder.add(key, String.class);
            }
            ds.createSchema(simpleFeatureTypeBuilder.buildFeatureType());
            ds.setCharset(StandardCharsets.UTF_8);
            //设置Writer
            FeatureWriter<SimpleFeatureType, SimpleFeature> writer = ds.getFeatureWriter(ds.getTypeNames()[0], Transaction.AUTO_COMMIT);
            //写下一条
            SimpleFeature feature;
            for (Map<String, String> stringMap : shpFieldDataMapList) {
                feature = writer.next();

                for (Map.Entry<String, String> entry : stringMap.entrySet()) {

                    String key = entry.getKey();
                    //Json中存储坐标信息的key跳过导出
                    if (key == null || StringUtils.equals(key, PLOT_TYPE)) {
                        continue;
                    }

                    if (key.length() > 10) {
                        key = StringUtils.substring(key, 0, 10);
                    }
                    key = key.toUpperCase();
                    String value = entry.getValue() == null ? "" : entry.getValue();

                    if (StringUtils.equals(key, GEOM_KEY.toUpperCase())) {
                        if (StringUtils.equals(geomType, POINT)) {
                            String[] split = value.split(" ");
                            if (split.length == 2) {
                                Coordinate coordinate = new Coordinate(Double.parseDouble(split[1].trim()), Double.parseDouble(split[0].trim()));
                                feature.setAttribute(GEOM_KEY, new GeometryFactory().createPoint(coordinate));
                            }
                        } else if (StringUtils.equals(geomType, LINE)) {
                            LineString line = new GeometryFactory().createLineString(str2CoordinateArr(value, LINE));
                            feature.setAttribute(GEOM_KEY, line);
                        } else if (StringUtils.equals(geomType, POLYGON)) {
                            Polygon polygon = new GeometryFactory().createPolygon(str2CoordinateArr(value, POLYGON));
                            feature.setAttribute(GEOM_KEY, polygon);
                        }
                    } else {
                        feature.setAttribute(key, value);
                    }
                }
            }
            writer.write();
            writer.close();
            ds.dispose();

        } catch (Exception e) {
            e.printStackTrace();
        }

    }


    private static void shpReader(String filePath) throws Exception {
        ShpFiles shpFiles = new ShpFiles(filePath);
        ShapefileReader reader = new ShapefileReader(shpFiles, false, true, new GeometryFactory(), false);
        try {
            while (reader.hasNext()) {
                System.out.println(reader.nextRecord().shape());
            }
        } finally {
            reader.close();
        }
    }

	public static void main(String[] args) throws Exception {
        //读取刚写完shape文件的图形信息
        String filePath = "";
        filePath = "F:\\shp\\tmp\\FMEW\\3333.shp";
//        String timeMillis = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMddHHmmss"));
//        filePath = "F:\\shp\\tmp" + File.separator + timeMillis + File.separator + timeMillis;
//        File file = new File(filePath);
//        if (!file.exists()) {
//            file.getParentFile().mkdirs();
//        }
//        shpWriter(filePath, "jsonStr", POLYGON);

        shpReader(filePath);
    }
}

public void test(){
	String saveRoot = "D:\\test";
	ShpWriterUtil.shpWriter(saveRoot + File.separator + "point", pointJson, ShpWriterUtil.POINT);
}

• 压缩工具类

import java.io.*;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

public class FilePackUtil {

    private static final int BUFFER_SIZE = 2 * 1024;


    public static void pack(File src, File dest) {
        if (!dest.exists()) {
            dest.mkdirs();
        }
        FileOutputStream outputStream = null;
        try {
            outputStream = new FileOutputStream(new File(dest, src.getName() + ".zip"));
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }
        pack(src, outputStream, true);
    }

    /**
     * 压缩成ZIP 方法1
     *
     * @param srcFile          压缩文件夹路径
     * @param out              压缩文件输出流
     * @param KeepDirStructure 是否保留原来的目录结构,true:保留目录结构;
     *                         false:所有文件跑到压缩包根目录下(注意：不保留目录结构可能会出现同名文件,会压缩失败)
     * @throws RuntimeException 压缩失败会抛出运行时异常
     */
    public static void pack(File srcFile, OutputStream out, boolean KeepDirStructure)
            throws RuntimeException {

        ZipOutputStream zos = null;
        try {
            zos = new ZipOutputStream(out);
            compress(srcFile, zos, srcFile.getName(), KeepDirStructure);
        } catch (Exception e) {
            throw new RuntimeException("zip error from ZipUtils", e);
        } finally {
            if (zos != null) {
                try {
                    zos.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }

    }

    /**
     * 压缩成ZIP 方法2
     *
     * @param srcFiles 需要压缩的文件列表
     * @param out      压缩文件输出流
     * @throws RuntimeException 压缩失败会抛出运行时异常
     */

    public static void pack(List<File> srcFiles, OutputStream out) throws RuntimeException {
        long start = System.currentTimeMillis();
        ZipOutputStream zos = null;
        try {
            zos = new ZipOutputStream(out);
            for (File srcFile : srcFiles) {
                byte[] buf = new byte[BUFFER_SIZE];
                zos.putNextEntry(new ZipEntry(srcFile.getName()));
                int len;
                FileInputStream in = new FileInputStream(srcFile);
                while ((len = in.read(buf)) != -1) {
                    zos.write(buf, 0, len);
                }
                zos.closeEntry();
                in.close();
            }
            long end = System.currentTimeMillis();
            System.out.println("压缩完成，耗时：" + (end - start) + " ms");
        } catch (Exception e) {
            throw new RuntimeException("zip error from ZipUtils", e);
        } finally {
            if (zos != null) {
                try {
                    zos.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }


    /**
     * 递归压缩方法
     *
     * @param sourceFile       源文件
     * @param zos              zip输出流
     * @param name             压缩后的名称
     * @param KeepDirStructure 是否保留原来的目录结构,true:保留目录结构;
     *                         false:所有文件跑到压缩包根目录下(注意：不保留目录结构可能会出现同名文件,会压缩失败)
     * @throws Exception
     */

    private static void compress(File sourceFile, ZipOutputStream zos, String name,
                                 boolean KeepDirStructure) throws Exception {
        byte[] buf = new byte[BUFFER_SIZE];
        if (sourceFile.isFile()) {
            // 向zip输出流中添加一个zip实体，构造器中name为zip实体的文件的名字
            zos.putNextEntry(new ZipEntry(name));
            // copy文件到zip输出流中
            int len;
            FileInputStream in = new FileInputStream(sourceFile);
            while ((len = in.read(buf)) != -1) {
                zos.write(buf, 0, len);
            }
            // Complete the entry
            zos.closeEntry();
            in.close();
        } else {
            File[] listFiles = sourceFile.listFiles();
            if (listFiles == null || listFiles.length == 0) {
                // 需要保留原来的文件结构时,需要对空文件夹进行处理
                if (KeepDirStructure) {
                    // 空文件夹的处理
                    zos.putNextEntry(new ZipEntry(name + "/"));
                    // 没有文件，不需要文件的copy
                    zos.closeEntry();
                }

            } else {
                for (File file : listFiles) {
                    // 判断是否需要保留原来的文件结构
                    if (KeepDirStructure) {
                        // 注意：file.getName()前面需要带上父文件夹的名字加一斜杠,
                        // 不然最后压缩包中就不能保留原来的文件结构,即：所有文件都跑到压缩包根目录下了
                        compress(file, zos, name + "/" + file.getName(), KeepDirStructure);
                    } else {
                        compress(file, zos, file.getName(), KeepDirStructure);
                    }

                }
            }
        }
    }
}

• 解析的JSON数据格式

[	{
		"extend":{},
		"userdef":[
			{
				"value":"190108",
				"key":"category"
			},
			{
				"value":"104.0541",
				"key":"lng"
			},
			{
				"value":"30.64697",
				"key":"lat"
			},
			{
				"value":"武侯祠",
				"key":"address"
			},
			{
				"value":"",
				"key":"url"
			},
			{
				"value":"",
				"key":"descrip"
			}
		],
		"basic":{
			"imd":"8",
			"plotType":"point",
			"nid":"",
			"pid":"",
			"source":"",
			"statecode":"1",
			"pts":"30.64697 104.0541",
			"elemid":"6.20075047E9",
			"zipcode":"0",
			"ename":"",
			"sname":"",
			"telphone":"",
			"name":"XX小组办公室",
			"clasid":"",
			"tag":"0",
			"gb":"156510107",
			"sename":""
		}
	}
]