1

13693261870

2023-02-10 9b6fc58ae37b2745310e6942af1a4dae51a82c56

 src/main/java/com/lf/server/helper/GdbHelper.java

@@ -1,7 +1,9 @@
package com.lf.server.helper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.lf.server.entity.all.BaseGeoEntity;
import com.lf.server.entity.all.StaticData;
import com.lf.server.mapper.all.BasicMapper;
import com.lf.server.mapper.all.GeomBaseMapper;
import com.lf.server.service.all.BaseQueryService;
import org.apache.commons.logging.Log;
@@ -10,6 +12,7 @@
import org.gdal.osr.SpatialReference;

import java.lang.reflect.Field;
import java.math.BigDecimal;
import java.sql.Timestamp;
import java.time.LocalDate;
import java.time.LocalDateTime;
@@ -22,8 +25,6 @@
 */
public class GdbHelper {
    private final static Log log = LogFactory.getLog(GdbHelper.class);

    private final static String OBJECT ="java.lang.Object";

    /**
     * 销毁资源
@@ -76,9 +77,10 @@
        Driver driver = null;
        DataSource dataSource = null;
        try {
            driver = ogr.GetDriverByName("OpenFileGDB");
            // driver = ogr.GetDriverByName("OpenFileGDB")
            driver = ogr.GetDriverByName("FileGDB");
            if (null == driver) {
                log.error("GdbHelper.getTabNames: OpenFileGDB is null");
                log.error("GdbHelper.getTabNames.driver is null.");
                return list;
            }

@@ -112,7 +114,8 @@
        Driver driver = null;
        DataSource dataSource = null;
        try {
            driver = ogr.GetDriverByName("OpenFileGDB");
            // driver = ogr.GetDriverByName("OpenFileGDB")
            driver = ogr.GetDriverByName("FileGDB");
            if (null == driver) {
                return list;
            }
@@ -208,7 +211,7 @@
                }
            }

            if (!OBJECT.equals(clazz.getSuperclass().getName())) {
            if (!StaticData.OBJECT.equals(clazz.getSuperclass().getName())) {
                getFieldMapper(clazz.getSuperclass(), layer, map);
            }
        } catch (Exception ex) {
@@ -242,6 +245,9 @@
    private static <T> void setValue(T t, Feature f, Field field, Integer i) throws Exception {
        switch (field.getType().getName()) {
            case "java.math.BigDecimal":
                double dd = f.GetFieldAsDouble(i);
                field.set(t, BigDecimal.valueOf(dd));
                break;
            case "java.lang.Double":
            case "double":
                field.set(t, f.GetFieldAsDouble(i));
@@ -256,6 +262,9 @@
                break;
            case "java.sql.Timestamp":
                field.set(t, getTimestamp(f, i));
                break;
            case "java.time.LocalDate":
                field.set(t, getLocalDate(f, i));
                break;
            default:
                field.set(t, f.GetFieldAsString(i));
@@ -281,7 +290,11 @@
        String geo = "null";
        if (null != f.GetGeometryRef()) {
            String wkt = f.GetGeometryRef().ExportToWkt();
            // noinspection AlibabaRemoveCommentedCode
            switch (f.GetGeometryRef().GetGeometryType()) {
                //case 1:
                //    wkt = wkt.replace("POINT", "MULTIPOINT");
                //    break;
                case 2:
                    wkt = wkt.replace("LINESTRING (", "MULTILINESTRING ((") + ")";
                    break;
@@ -324,6 +337,23 @@
    }

    /**
     * 获取 LocalDate
     */
    private static LocalDate getLocalDate(Feature f, int index) {
        int[] pnYear = new int[1];
        int[] pnMonth = new int[1];
        int[] pnDay = new int[1];
        int[] pnHour = new int[1];
        int[] pnMinute = new int[1];
        float[] pfSecond = new float[1];
        int[] pnTzFlag = new int[1];

        f.GetFieldAsDateTime(index, pnYear, pnMonth, pnDay, pnHour, pnMinute, pfSecond, pnTzFlag);

        return LocalDate.of(pnYear[0], pnMonth[0], pnDay[0]);
    }

    /**
     * 创建GDB
     */
    public static void createGdb(String filePath,  Map<String, List<?>> map) throws Exception {
@@ -332,17 +362,19 @@
        try {
            driver = ogr.GetDriverByName("FileGDB");
            if (null == driver) {
                log.error("GdbHelper.createGdb.driver(FileGDB) is null.");
                return;
            }
            dataSource = driver.CreateDataSource(filePath, null);
            if (null == dataSource) {
                log.error("GdbHelper.createGdb.dataSource is null. " + filePath);
                return;
            }

            for (String key : map.keySet()) {
                Layer layer = null;
                try {
                    GeomBaseMapper baseMapper = ClassHelper.getGeoBaseMapper(key);
                    BasicMapper baseMapper = ClassHelper.getBasicMapper(key);
                    if (null == baseMapper) {
                        continue;
                    }
@@ -383,20 +415,23 @@
    /**
     * 创建图层
     */
    private static Layer createLayer(DataSource dataSource, GeomBaseMapper baseMapper ) {
    private static Layer createLayer(DataSource dataSource, BasicMapper baseMapper ) {
        String tab = BaseQueryService.getTabName(baseMapper);
        if (StringHelper.isNull(tab)) {
            return null;
        }

        String geomType = baseMapper.selectGeometryType(tab);
        if (StringHelper.isEmpty(geomType)) {
            return null;
        Integer srid = null;
        String geomType = null;
        if (baseMapper instanceof GeomBaseMapper) {
            GeomBaseMapper geomMapper = (GeomBaseMapper) baseMapper;
            geomType = geomMapper.selectGeometryType(tab);

            srid = geomMapper.selectSrid(tab);
        }

        Integer srid = baseMapper.selectSrid(tab);
        SpatialReference sr = new SpatialReference();
        sr.ImportFromEPSG(null == srid ? 4326 : srid);
        sr.ImportFromEPSG(null == srid ? 4490 : srid);

        return dataSource.CreateLayer(tab, sr, getGeomType(geomType), null);
    }
@@ -406,12 +441,14 @@
     */
    private static Integer getGeomType(String geomType) {
        if (StringHelper.isEmpty(geomType)) {
            return ogr.wkbUnknown;
            return ogr.wkbPoint;
        }

        switch (geomType) {
            case "ST_Point":
                return ogr.wkbPoint;
            case "ST_MultiPoint":
                return ogr.wkbMultiPoint;
            case "ST_LineString":
                return ogr.wkbLineString;
            case "ST_MultiLineString":
@@ -440,7 +477,7 @@
                list.add(f);
            }

            if (!OBJECT.equals(clazz.getSuperclass().getName())) {
            if (!StaticData.OBJECT.equals(clazz.getSuperclass().getName())) {
                getFields(clazz.getSuperclass(), list);
            }
        } catch (Exception ex) {
@@ -451,7 +488,7 @@
    /**
     * 添加图层字段
     */
    private static void addLayerField(Layer layer, List<Field> list) {
    public static void addLayerField(Layer layer, List<Field> list) {
        for (int i = 0, c = list.size(); i < c; i++) {
            Field f = list.get(i);

@@ -479,6 +516,8 @@
                return ogr.OFTInteger;
            case "java.sql.Timestamp":
                return ogr.OFTDateTime;
            case "java.time.LocalDate":
                return ogr.OFTDate;
            default:
                return ogr.OFTString;
        }
@@ -491,45 +530,63 @@
        for (T t : list) {
            Feature f = new Feature(layer.GetLayerDefn());

            BaseGeoEntity geoEntity = (BaseGeoEntity) t;
            Geometry geom = Geometry.CreateFromWkt(geoEntity.getGeom());
            f.SetGeometry(geom);

            for (int i = 0, c = fields.size(); i < c; i++) {
                Field field = fields.get(i);
                Object val = field.get(t);
                if (null == val) {
                    continue;
                }

                switch (field.getType().getName()) {
                    case "java.math.BigDecimal":
                    case "java.lang.Double":
                    case "double":
                        double d = (double) val;
                        f.SetField(i, d);
                        break;
                    case "java.lang.Long":
                    case "long":
                        long l = (long) val;
                        f.SetField(i, l);
                        break;
                    case "java.lang.Integer":
                    case "int":
                        int n = (int) val;
                        f.SetField(i, n);
                        break;
                    case "java.sql.Timestamp":
                        Timestamp time = (Timestamp) field.get(t);
                        setTimestamp(f, i, time);
                        break;
                    default:
                        String str = (String) val;
                        f.SetField(i, str);
                        break;
            if (t instanceof BaseGeoEntity) {
                BaseGeoEntity geoEntity = (BaseGeoEntity) t;
                if (!StringHelper.isEmpty(geoEntity.getGeom())) {
                    Geometry geom = Geometry.CreateFromWkt(geoEntity.getGeom());
                    f.SetGeometry(geom);
                }
            }

            setFeatureData(f, fields, t);
            layer.CreateFeature(f);
        }
    }

    /**
     * 设置要素的数据
     */
    public static <T> void setFeatureData(Feature f, List<Field> fields, T t) throws Exception {
        for (int i = 0, c = fields.size(); i < c; i++) {
            Field field = fields.get(i);
            Object val = field.get(t);
            if (null == val) {
                continue;
            }

            switch (field.getType().getName()) {
                case "java.math.BigDecimal":
                    BigDecimal big = (BigDecimal) val;
                    f.SetField(i, big.doubleValue());
                    break;
                case "java.lang.Double":
                case "double":
                    double d = (double) val;
                    f.SetField(i, d);
                    break;
                case "java.lang.Long":
                case "long":
                    long l = (long) val;
                    f.SetField(i, l);
                    break;
                case "java.lang.Integer":
                case "int":
                    int n = (int) val;
                    f.SetField(i, n);
                    break;
                case "java.sql.Timestamp":
                    Timestamp timestamp = (Timestamp) field.get(t);
                    setTimestamp(f, i, timestamp);
                    break;
                case "java.time.LocalDate":
                    LocalDate localDate = (LocalDate) field.get(t);
                    setLocalDate(f, i, localDate);
                    break;
                default:
                    String str = (String) val;
                    f.SetField(i, str);
                    break;
            }
        }
    }

@@ -544,4 +601,15 @@
        LocalDateTime local = time.toLocalDateTime();
        f.SetField(i, local.getYear(), local.getMonthValue(), local.getDayOfMonth(), local.getHour(), local.getMinute(), local.getSecond(), 8);
    }

    /**
     * 设置LocalDate
     */
    private static void setLocalDate(Feature f, int i, LocalDate local) {
        if (null == local) {
            return;
        }

        f.SetField(i, local.getYear(), local.getMonthValue(), local.getDayOfMonth(), 0, 0, 0, 8);
    }
}