From 488677202ae47d556bb6f4a69c86c8892efc6b05 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期二, 20 十二月 2022 16:48:22 +0800
Subject: [PATCH] 1
---
src/main/java/com/lf/server/helper/GdbHelper.java | 238 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 236 insertions(+), 2 deletions(-)
diff --git a/src/main/java/com/lf/server/helper/GdbHelper.java b/src/main/java/com/lf/server/helper/GdbHelper.java
index e4f3c73..f952c8a 100644
--- a/src/main/java/com/lf/server/helper/GdbHelper.java
+++ b/src/main/java/com/lf/server/helper/GdbHelper.java
@@ -1,11 +1,16 @@
package com.lf.server.helper;
+import com.lf.server.entity.all.BaseGeoEntity;
import com.lf.server.entity.all.StaticData;
+import com.lf.server.mapper.all.GeomBaseMapper;
+import com.lf.server.service.all.BaseQueryService;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.gdal.ogr.*;
+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;
@@ -74,11 +79,13 @@
try {
driver = ogr.GetDriverByName("OpenFileGDB");
if (null == driver) {
+ log.error("GdbHelper.getTabNames.driver(OpenFileGDB) is null.");
return list;
}
dataSource = driver.Open(filePath, 0);
if (null == dataSource) {
+ log.error("GdbHelper.getTabNames.dataSource is null. " + filePath);
return list;
}
@@ -182,7 +189,7 @@
/**
* 鑾峰彇瀛楁鏄犲皠
*/
- private static <T> void getFieldMapper(Class clazz, Layer layer, Map<Integer, Field> map) {
+ private static void getFieldMapper(Class clazz, Layer layer, Map<Integer, Field> map) {
try {
FeatureDefn fd = layer.GetLayerDefn();
for (int i = 0, count = fd.GetFieldCount(); i < count; i++) {
@@ -202,7 +209,7 @@
}
}
- if (OBJECT != clazz.getSuperclass().getName()) {
+ if (!OBJECT.equals(clazz.getSuperclass().getName())) {
getFieldMapper(clazz.getSuperclass(), layer, map);
}
} catch (Exception ex) {
@@ -316,4 +323,231 @@
return Timestamp.valueOf(localDateTime);
}
+
+ /**
+ * 鍒涘缓GDB
+ */
+ public static void createGdb(String filePath, Map<String, List<?>> map) throws Exception {
+ Driver driver = null;
+ DataSource dataSource = null;
+ 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);
+ if (null == baseMapper) {
+ continue;
+ }
+ layer = createLayer(dataSource, baseMapper);
+ if (null == layer) {
+ continue;
+ }
+
+ String className = ClassHelper.getClassName(baseMapper);
+ Class clazz = ClassHelper.getEntityClass(className);
+ if (null == clazz) {
+ continue;
+ }
+
+ List<Field> fields = new ArrayList<>();
+ // fields.add(getGeomField(clazz))
+ getFields(clazz, fields);
+ addLayerField(layer, fields);
+
+ setLayerData(layer, fields, map.get(key));
+ } finally {
+ if (null != layer) {
+ layer.delete();
+ }
+ }
+ }
+
+ dataSource.SyncToDisk();
+ dataSource.FlushCache();
+ } catch (Exception ex) {
+ log.error(ex.getMessage(), ex);
+ throw ex;
+ } finally {
+ GdbHelper.delete(dataSource, driver);
+ }
+ }
+
+ /**
+ * 鍒涘缓鍥惧眰
+ */
+ private static Layer createLayer(DataSource dataSource, GeomBaseMapper 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 = baseMapper.selectSrid(tab);
+ SpatialReference sr = new SpatialReference();
+ sr.ImportFromEPSG(null == srid ? 4326 : srid);
+
+ return dataSource.CreateLayer(tab, sr, getGeomType(geomType), null);
+ }
+
+ /**
+ * 鑾峰彇Geom绫诲埆
+ */
+ private static Integer getGeomType(String geomType) {
+ if (StringHelper.isEmpty(geomType)) {
+ return ogr.wkbUnknown;
+ }
+
+ switch (geomType) {
+ case "ST_Point":
+ return ogr.wkbPoint;
+ case "ST_LineString":
+ return ogr.wkbLineString;
+ case "ST_MultiLineString":
+ return ogr.wkbMultiLineString;
+ case "ST_Polygon":
+ return ogr.wkbPolygon;
+ case "ST_MultiPolygon":
+ return ogr.wkbMultiPolygon;
+ default:
+ return ogr.wkbUnknown;
+ }
+ }
+
+ /**
+ * 鑾峰彇瀛楁
+ */
+ private static void getFields(Class clazz, List<Field> list) {
+ try {
+ Field[] fields = clazz.getDeclaredFields();
+ for (Field f : fields) {
+ if (StaticData.GDB_EXCLUDE_FIELDS.contains(f.getName())) {
+ continue;
+ }
+
+ f.setAccessible(true);
+ list.add(f);
+ }
+
+ if (!OBJECT.equals(clazz.getSuperclass().getName())) {
+ getFields(clazz.getSuperclass(), list);
+ }
+ } catch (Exception ex) {
+ //
+ }
+ }
+
+ /**
+ * 娣诲姞鍥惧眰瀛楁
+ */
+ private static void addLayerField(Layer layer, List<Field> list) {
+ for (int i = 0, c = list.size(); i < c; i++) {
+ Field f = list.get(i);
+
+ int fieldType = getFieldType(f);
+ FieldDefn fd = new FieldDefn(f.getName(), fieldType);
+
+ layer.CreateField(fd, i + 1);
+ }
+ }
+
+ /**
+ * 鑾峰彇瀛楁绫诲瀷
+ */
+ private static Integer getFieldType(Field f) {
+ switch (f.getType().getName()) {
+ case "java.math.BigDecimal":
+ case "java.lang.Double":
+ case "double":
+ return ogr.OFTReal;
+ case "java.lang.Long":
+ case "long":
+ return ogr.OFTInteger64;
+ case "java.lang.Integer":
+ case "int":
+ return ogr.OFTInteger;
+ case "java.sql.Timestamp":
+ return ogr.OFTDateTime;
+ default:
+ return ogr.OFTString;
+ }
+ }
+
+ /**
+ * 璁剧疆鍥惧眰鏁版嵁
+ */
+ private static <T> void setLayerData(Layer layer, List<Field> fields, List<T> list) throws Exception {
+ 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":
+ 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 time = (Timestamp) field.get(t);
+ setTimestamp(f, i, time);
+ break;
+ default:
+ String str = (String) val;
+ f.SetField(i, str);
+ break;
+ }
+ }
+ layer.CreateFeature(f);
+ }
+ }
+
+ /**
+ * 璁剧疆Timestamp
+ */
+ private static void setTimestamp(Feature f, int i, Timestamp time) {
+ if (null == time) {
+ return;
+ }
+
+ LocalDateTime local = time.toLocalDateTime();
+ f.SetField(i, local.getYear(), local.getMonthValue(), local.getDayOfMonth(), local.getHour(), local.getMinute(), local.getSecond(), 8);
+ }
}
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