地图kmz和kml类型的文件解析_kmz格式文件解析

 <!-- https://mvnrepository.com/artifact/de.micromata.jak/JavaAPIforKml -->
        <dependency>
            <groupId>de.micromata.jak</groupId>
            <artifactId>JavaAPIforKml</artifactId>
            <version>2.2.0</version>
        </dependency>

        <dependency>
            <groupId>cn.hutool</groupId>
            <artifactId>hutool-all</artifactId>
            <version>5.7.11</version>
        </dependency>
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package org.example;

import cn.hutool.core.util.ZipUtil;
import de.micromata.opengis.kml.v_2_2_0.*;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

/**
 * @description: 地图kml文件解析
 * @author: fan
 * @date: 2022/7/7 15:48
 * @version: 1.0
 */
public class KmlFileParseUtil {


    public static KmlProperty parseKmzForJAK(File file){

        File unzip = ZipUtil.unzip(file);
        File kmlFile = getKmlFile(unzip);
        return parseKmlForJAK(kmlFile);
    }

    private static File getKmlFile(File unzip){
        File[] files = unzip.listFiles();

        for (File f: files) {

            if(f.isFile()){
                if(f.getName().endsWith("wpml")){
                    return f;
                }
            }else if(f.isDirectory()){
                return getKmlFile(f);
            }
        }

        return null;
    }


    /**
     * 保存kml数据到临时表
     *
     * @param file 上传的文件实体
     * @return 自定义的KML文件实体
     */
    public static KmlProperty parseKmlForJAK(File file) {

        //以下三行都是自定义的KML类，用于获取名称name、所有点points、样式颜色color
        List<KmlPoint> kmlPointList = new ArrayList<>();
        List<KmlLine> kmlLineList = new ArrayList<>();
        List<KmlPolygon> kmlPolygonList = new ArrayList<>();
        KmlProperty kmlProperty = new KmlProperty();

        Kml kml = Kml.unmarshal(file);
        Feature feature = kml.getFeature();

        kmlProperty.setKmlPoints(kmlPointList);
        kmlProperty.setKmlLines(kmlLineList);
        kmlProperty.setKmlPolygons(kmlPolygonList);

        parseFeature(feature,kmlProperty);

        return kmlProperty;
    }

    /**
     * 解析kml节点信息
     *
     * @param feature 需要解析到要素信息
     * @return
     */
    private static void parseFeature(Feature feature, KmlProperty kmlProperty) {
        if (feature != null) {
            //判断根节点是否为Document
            if (feature instanceof Document) {
                List<Feature> featureList = ((Document) feature).getFeature();
                //遍历已获取的节点信息(节点信息为List)，将list使用forEach进行遍历（同for、while）
                featureList.forEach(documentFeature -> {
                            //判断遍历节点是否为PlaceMark，否则迭代解析
                            if (documentFeature instanceof Placemark) {
                                getPlaceMark((Placemark) documentFeature,kmlProperty);
                            } else {
                                parseFeature(documentFeature,kmlProperty);
                            }
                        }
                );
            } else if (feature instanceof Folder) {
                //原理同上
                List<Feature> featureList = ((Folder) feature).getFeature();
                featureList.forEach(documentFeature -> {
                            if (documentFeature instanceof Placemark) {
                                getPlaceMark((Placemark) documentFeature,kmlProperty);
                            }
                            {
                                parseFeature(documentFeature,kmlProperty);
                            }
                        }
                );
            }
        }
    }

    /**
     * 解析PlaceMark节点下的信息
     *
     * @return
     */
    private static void getPlaceMark(Placemark placemark, KmlProperty kmlProperty) {
        Geometry geometry = placemark.getGeometry();
        String name = placemark.getName();
        parseGeometry(name, geometry,kmlProperty);
    }

    /**
     * 解析PlaceMark节点下的信息
     *
     * @return
     */
    private static void parseGeometry(String name, Geometry geometry, KmlProperty kmlProperty) {
        if (geometry != null) {
            if (geometry instanceof Polygon) {
                Polygon polygon = (Polygon) geometry;
                Boundary outerBoundaryIs = polygon.getOuterBoundaryIs();
                if (outerBoundaryIs != null) {
                    LinearRing linearRing = outerBoundaryIs.getLinearRing();
                    if (linearRing != null) {
                        List<Coordinate> coordinates = linearRing.getCoordinates();
                        if (coordinates != null) {
                            outerBoundaryIs = ((Polygon) geometry).getOuterBoundaryIs();
                            addPolygonToList(kmlProperty.getKmlPolygons(), name, outerBoundaryIs);
                        }
                    }
                }
            } else if (geometry instanceof LineString) {
                LineString lineString = (LineString) geometry;
                List<Coordinate> coordinates = lineString.getCoordinates();
                if (coordinates != null) {
                    coordinates = ((LineString) geometry).getCoordinates();
                    addLineStringToList(kmlProperty.getKmlLines(), coordinates, name);
                }
            } else if (geometry instanceof Point) {
                Point point = (Point) geometry;
                List<Coordinate> coordinates = point.getCoordinates();
                if (coordinates != null) {
                    coordinates = ((Point) geometry).getCoordinates();
                    addPointToList(kmlProperty.getKmlPoints(), coordinates, name);
                }
            } else if (geometry instanceof MultiGeometry) {
                List<Geometry> geometries = ((MultiGeometry) geometry).getGeometry();
                for (Geometry geometryToMult : geometries) {
                    Boundary outerBoundaryIs;
                    List<Coordinate> coordinates;
                    if (geometryToMult instanceof Point) {
                        coordinates = ((Point) geometryToMult).getCoordinates();
                        addPointToList(kmlProperty.getKmlPoints(), coordinates, name);
                    } else if (geometryToMult instanceof LineString) {
                        coordinates = ((LineString) geometryToMult).getCoordinates();
                        addLineStringToList(kmlProperty.getKmlLines(), coordinates, name);
                    } else if (geometryToMult instanceof Polygon) {
                        outerBoundaryIs = ((Polygon) geometryToMult).getOuterBoundaryIs();
                        addPolygonToList(kmlProperty.getKmlPolygons(), name, outerBoundaryIs);
                    }
                }
            }
        }
    }

    /**
     * 将kml中所有面添加到一个list
     *
     * @return
     */
    private static void addPolygonToList(List<KmlPolygon> kmlPolygonList, String name, Boundary outerBoundaryIs) {
        LinearRing linearRing;
        List<Coordinate> coordinates;
        //面
        linearRing = outerBoundaryIs.getLinearRing();
        coordinates = linearRing.getCoordinates();
        KmlPolygon kmlPolygon = new KmlPolygon();
        kmlPolygon.setPoints(coordinates);
        kmlPolygon.setName(name);
        kmlPolygonList.add(kmlPolygon);
    }

    /**
     * 将kml中所有线添加到一个list
     *
     * @return
     */
    private static void addLineStringToList(List<KmlLine> kmlLineList, List<Coordinate> coordinates, String name) {
        KmlLine kmlLine = new KmlLine();
        kmlLine.setPoints(coordinates);
        kmlLine.setName(name);
        kmlLineList.add(kmlLine);
    }

    /**
     * 将kml中所有点添加到一个list
     *
     * @return
     */
    private static void addPointToList(List<KmlPoint> kmlPointList, List<Coordinate> coordinates, String name) {
        KmlPoint kmlPoint = new KmlPoint();
        kmlPoint.setName(name);
        kmlPoint.setPoints(coordinates);
        kmlPointList.add(kmlPoint);
    }


    /**
     * 航点信息
     */
    public static class KmlPoint {
        private List<Coordinate> points;
        private String name;

        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name;
        }

        public List<Coordinate> getPoints() {
            return points;
        }

        public void setPoints(List<Coordinate> points) {
            this.points = points;
        }

        @Override
        public String toString() {
            return "KmlPoint{" +
                    "points=" + points +
                    ", name='" + name + '\'' +
                    '}';
        }
    }

    /**
     * 航线信息
     */
    static class KmlLine {
        private List<Coordinate> points;
        private String name;

        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name;
        }

        public List<Coordinate> getPoints() {
            return points;
        }

        public void setPoints(List<Coordinate> points) {
            this.points = points;
        }


        @Override
        public String toString() {
            return "KmlLine{" +
                    "points=" + points +
                    ", name='" + name + '\'' +
                    '}';
        }
    }

    /**
     * 区域
     */
    static class KmlPolygon {
        private List<Coordinate> points;
        private String name;

        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name;
        }

        public List<Coordinate> getPoints() {
            return points;
        }

        public void setPoints(List<Coordinate> points) {
            this.points = points;
        }

        @Override
        public String toString() {
            return "KmlPolygon{" +
                    "points=" + points +
                    ", name='" + name + '\'' +
                    '}';
        }
    }

    /**
     *
     */
    public static class KmlProperty {
        private List<KmlPoint> kmlPoints;
        private List<KmlLine> kmlLines;
        private List<KmlPolygon> kmlPolygons;

        public List<KmlPoint> getKmlPoints() {
            return kmlPoints;
        }

        public void setKmlPoints(List<KmlPoint> kmlPoints) {
            this.kmlPoints = kmlPoints;
        }

        public List<KmlLine> getKmlLines() {
            return kmlLines;
        }

        public void setKmlLines(List<KmlLine> kmlLines) {
            this.kmlLines = kmlLines;
        }

        public List<KmlPolygon> getKmlPolygons() {
            return kmlPolygons;
        }

        public void setKmlPolygons(List<KmlPolygon> kmlPolygons) {
            this.kmlPolygons = kmlPolygons;
        }

        @Override
        public String toString() {
            return "KmlProperty{" +
                    "kmlPoints=" + kmlPoints +
                    ", kmlLines=" + kmlLines +
                    ", kmlPolygons=" + kmlPolygons +
                    '}';
        }
    }

    public static void main(String[] args) {
        File file = new File("C:\\Users\\Administrator\\Desktop\\长岭10kv集电线路杆塔航线\\二号起降点\\10kv长岭89-90.kmz");
        File unzip = ZipUtil.unzip(file);
        File[] files = unzip.listFiles();
        for (File f: files) {
            if(f.isFile()){
                if(f.getName().endsWith("wpml")){
                    // 开始解析
                }
            }else{

            }

        }


        System.out.println(unzip);
//        File file1 = new File("C:\\Users\\Administrator\\Desktop\\长岭10kv集电线路杆塔航线\\二号起降点\\10kv长岭89-90\\wpmz\\waylines.wpml");
//
//        KmlProperty kmlProperty = parseKmlForJAK(file1);
//        if (kmlProperty.getKmlPoints().size() > 0) {
//            System.out.println("点");
//            for (KmlPoint k : kmlProperty.getKmlPoints()) {
//                System.out.println(k.getPoints());
//            }
//
//        }

    }



}


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