纯用JAVA解析Google的KMZ和KML空间数据的示例代码

package com.yelang.kmzcase; import de.micromata.opengis.kml.v_2_2_0.*; import java.io.File; import java.io.InputStream; import java.util.ArrayList; import java.util.List; /** * @description: KML文件解析 **/ public class ParsingKmlUtil { /** * 解析kml文件 */ public KmlData parseKmlByFile(File file) { Kml kml = Kml.unmarshal(file); return getByKml(kml); } /** * 解析kml文件流 * * @param inputstream * @return */ public KmlData parseKmlByInputstream(InputStream inputstream) { Kml kml = Kml.unmarshal(inputstream); return getByKml(kml); } /** * Kml对象转自定义存储对象 * * @param kml * @return */ public KmlData getByKml(Kml kml) { KmlData kmlData = new KmlData(); kmlData.setKmlPoints(new ArrayList<>()); kmlData.setKmlLines(new ArrayList<>()); kmlData.setKmlPolygons(new ArrayList<>()); Feature feature = kml.getFeature(); parseFeature(feature, kmlData); return kmlData; } /** * 解析kml节点 * @param feature * @param kmlData */ private void parseFeature(Feature feature, KmlData kmlData) { if (feature != null) { if (feature instanceof Document) { List<Feature> featureList = ((Document) feature).getFeature(); featureList.forEach(documentFeature -> { if (documentFeature instanceof Placemark) { getPlaceMark((Placemark) documentFeature, kmlData); } else { parseFeature(documentFeature, kmlData); } }); } else if (feature instanceof Folder) { List<Feature> featureList = ((Folder) feature).getFeature(); featureList.forEach(documentFeature -> { if (documentFeature instanceof Placemark) { getPlaceMark((Placemark) documentFeature, kmlData); } else { parseFeature(documentFeature, kmlData); } }); } } } private void getPlaceMark(Placemark placemark, KmlData kmlData) { Geometry geometry = placemark.getGeometry(); /*String name = placemark.getName(); placemark.getDescription(); System.out.println(placemark.getDescription()); if (name == null) { name = placemark.getDescription(); } parseGeometry(name, geometry, kmlData);*/ parseGeometry(placemark,geometry,kmlData); } /** * 解析点线面形状的数据分别放入存储对象 * @param placemark placemark对象 * @param geometry 形状类型 * @param kmlData 存储对象 */ private void parseGeometry(Placemark placemark, Geometry geometry, KmlData kmlData) { 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(kmlData.getKmlPolygons(), placemark, outerBoundaryIs); } } } } else if (geometry instanceof LineString) { LineString lineString = (LineString) geometry; List<Coordinate> coordinates = lineString.getCoordinates(); if (coordinates != null) { coordinates = ((LineString) geometry).getCoordinates(); addLineStringToList(kmlData.getKmlLines(), coordinates, placemark); } } else if (geometry instanceof Point) { Point point = (Point) geometry; List<Coordinate> coordinates = point.getCoordinates(); if (coordinates != null) { coordinates = ((Point) geometry).getCoordinates(); addPointToList(kmlData.getKmlPoints(), coordinates, placemark); } } 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(kmlData.getKmlPoints(), coordinates, placemark); } else if (geometryToMult instanceof LineString) { coordinates = ((LineString) geometryToMult).getCoordinates(); addLineStringToList(kmlData.getKmlLines(), coordinates, placemark); } else if (geometryToMult instanceof Polygon) { outerBoundaryIs = ((Polygon) geometryToMult).getOuterBoundaryIs(); addPolygonToList(kmlData.getKmlPolygons(), placemark, outerBoundaryIs); } } } } } /** * 保存面状数据 * * @param kmlPolygonList 已有面状数据 * @param placemark placemark对象 * @param outerBoundaryIs 面状信息 */ private void addPolygonToList(List<KmlPolygon> kmlPolygonList, Placemark placemark, Boundary outerBoundaryIs) { LinearRing linearRing = outerBoundaryIs.getLinearRing();// 面 KmlPolygon kmlPolygon = new KmlPolygon(); kmlPolygon.setPoints(linearRing.getCoordinates()); kmlPolygon.setName(placemark.getName()); kmlPolygon.setDescription(placemark.getDescription()); kmlPolygonList.add(kmlPolygon); } /** * 保存线状数据 * * @param kmlLineList 已有线状数据 * @param coordinates 线状经纬度数据 * @param name 线状名称 */ private void addLineStringToList(List<KmlLine> kmlLineList, List<Coordinate> coordinates, Placemark placemark) { KmlLine kmlLine = new KmlLine(); kmlLine.setPoints(coordinates); kmlLine.setName(placemark.getName()); kmlLine.setDescription(placemark.getDescription()); kmlLineList.add(kmlLine); } /** * 保存点状数据 * * @param kmlPointList 已有点状数据 * @param coordinates 点状经纬度数据 * @param name 点状名称 */ private void addPointToList(List<KmlPoint> kmlPointList, List<Coordinate> coordinates, Placemark placemark) { KmlPoint kmlPoint = new KmlPoint(); kmlPoint.setName(placemark.getName()); kmlPoint.setDescription(placemark.getDescription()); kmlPoint.setPoints(coordinates); kmlPointList.add(kmlPoint); } }