From 1d53dd8f501a98ddcce8146443b51b357ef5f9b1 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期四, 29 十二月 2022 16:55:46 +0800
Subject: [PATCH] 1
---
src/main/java/com/lf/server/helper/GdbHelper.java | 432 +++++++++++++++++++++++++++++++++++++++++++++++++----
1 files changed, 394 insertions(+), 38 deletions(-)
diff --git a/src/main/java/com/lf/server/helper/GdbHelper.java b/src/main/java/com/lf/server/helper/GdbHelper.java
index a70f1a0..a051f32 100644
--- a/src/main/java/com/lf/server/helper/GdbHelper.java
+++ b/src/main/java/com/lf/server/helper/GdbHelper.java
@@ -1,18 +1,21 @@
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;
import java.time.LocalTime;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
/**
* GDB甯姪绫�
@@ -21,28 +24,81 @@
public class GdbHelper {
private final static Log log = LogFactory.getLog(GdbHelper.class);
+ private final static String OBJECT ="java.lang.Object";
+
+ /**
+ * 閿�姣佽祫婧�
+ */
+ public static void delete(Layer layer) {
+ try {
+ if (null != layer) {
+ layer.delete();
+ }
+ } catch (Exception ex) {
+ log.error(ex.getMessage(), ex);
+ }
+ }
+
+ /**
+ * 閿�姣佽祫婧�
+ */
+ public static void delete(DataSource dataSource, Driver driver) {
+ try {
+ if (null != dataSource) {
+ dataSource.delete();
+ }
+ } catch (Exception ex) {
+ log.error(ex.getMessage(), ex);
+ }
+
+ try {
+ if (null != driver) {
+ driver.delete();
+ }
+ } catch (Exception ex) {
+ log.error(ex.getMessage(), ex);
+ }
+ }
+
+ /**
+ * 閿�姣佽祫婧�
+ */
+ public static void delete(Layer layer, DataSource dataSource, Driver driver) {
+ delete(layer);
+ delete(dataSource, driver);
+ }
+
/**
* 鑾峰彇琛ㄥ悕
*/
public static List<String> getTabNames(String filePath) {
List<String> list = new ArrayList<>();
+
+ Driver driver = null;
+ DataSource dataSource = null;
try {
- org.gdal.ogr.Driver driver = ogr.GetDriverByName("OpenFileGDB");
- if (driver == null) {
+ driver = ogr.GetDriverByName("OpenFileGDB");
+ if (null == driver) {
+ log.error("GdbHelper.getTabNames.driver(OpenFileGDB) is null.");
return list;
}
- DataSource dataSource = driver.Open(filePath, 0);
+ dataSource = driver.Open(filePath, 0);
+ if (null == dataSource) {
+ log.error("GdbHelper.getTabNames.dataSource is null. " + filePath);
+ return list;
+ }
+
for (int i = 0, count = dataSource.GetLayerCount(); i < count; i++) {
Layer layer = dataSource.GetLayer(i);
list.add(layer.GetName());
layer.delete();
}
-
- driver.delete();
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
+ } finally {
+ GdbHelper.delete(dataSource, driver);
}
return list;
@@ -53,16 +109,22 @@
*/
public static <T> List<T> readData(Class clazz, String filePath, String layerName) {
List<T> list = new ArrayList<>();
+
+ Driver driver = null;
+ DataSource dataSource = null;
try {
- org.gdal.ogr.Driver driver = ogr.GetDriverByName("OpenFileGDB");
- if (driver == null) {
+ driver = ogr.GetDriverByName("OpenFileGDB");
+ if (null == driver) {
return list;
}
- DataSource dataSource = driver.Open(filePath, 0);
+ dataSource = driver.Open(filePath, 0);
+ if (null == dataSource) {
+ return list;
+ }
+
for (int i = 0, count = dataSource.GetLayerCount(); i < count; i++) {
Layer layer = dataSource.GetLayer(i);
-
if (layer.GetName().equals(layerName)) {
GdbHelper.readLayer(clazz, layer, list);
break;
@@ -70,10 +132,10 @@
layer.delete();
}
-
- driver.delete();
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
+ } finally {
+ GdbHelper.delete(dataSource, driver);
}
return list;
@@ -85,8 +147,10 @@
public static <T> void readLayer(Class clazz, Layer layer, List<T> list) {
try {
Field gField = getGeomField(clazz);
- Map<Integer, Field> map = getFieldMapper(clazz, layer);
- if (map.size() == 0) {
+
+ Map<Integer, Field> map = new HashMap<>(3);
+ getFieldMapper(clazz, layer, map);
+ if (map.isEmpty() || 0 == layer.GetFeatureCount()) {
return;
}
@@ -104,9 +168,7 @@
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
} finally {
- if (null != layer) {
- layer.delete();
- }
+ GdbHelper.delete(layer);
}
}
@@ -115,7 +177,7 @@
*/
private static Field getGeomField(Class clazz) {
try {
- Field gField = clazz.getDeclaredField("geom");
+ Field gField = clazz.getSuperclass().getDeclaredField("geom");
gField.setAccessible(true);
return gField;
@@ -127,15 +189,18 @@
/**
* 鑾峰彇瀛楁鏄犲皠
*/
- private static <T> Map<Integer, Field> getFieldMapper(Class clazz, Layer layer) {
- Map<Integer, Field> map = new HashMap<>(3);
-
+ 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++) {
FieldDefn fieldDefn = fd.GetFieldDefn(i);
try {
- Field field = clazz.getDeclaredField(fieldDefn.GetName().toLowerCase());
+ String name = fieldDefn.GetName().toLowerCase();
+ if (StaticData.READ_EXCLUDE_FIELDS.contains(name)) {
+ continue;
+ }
+
+ Field field = clazz.getDeclaredField(name);
field.setAccessible(true);
map.put(i, field);
@@ -143,11 +208,13 @@
//
}
}
+
+ if (!OBJECT.equals(clazz.getSuperclass().getName())) {
+ getFieldMapper(clazz.getSuperclass(), layer, map);
+ }
} catch (Exception ex) {
//
}
-
- return map;
}
/**
@@ -174,22 +241,28 @@
* 璁剧疆鍊�
*/
private static <T> void setValue(T t, Feature f, Field field, Integer i) throws Exception {
- switch (field.getType().toString()) {
- case "class java.math.BigDecimal":
- case "class java.lang.Double":
+ 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));
break;
- case "class java.lang.Long":
+ case "java.lang.Long":
case "long":
field.set(t, f.GetFieldAsInteger64(i));
break;
- case "class java.lang.Integer":
+ case "java.lang.Integer":
case "int":
field.set(t, f.GetFieldAsInteger(i));
break;
- case "class java.sql.Timestamp":
+ 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));
@@ -199,12 +272,36 @@
/**
* 璁剧疆 geom 瀛楁鍊�
+ * <p>
+ * wkbUnknown = 0,
+ * wkbPoint = 1,
+ * wkbLineString = 2,
+ * wkbPolygon = 3,
+ * wkbMultiPoint = 4,
+ * wkbMultiLineString = 5,
+ * wkbMultiPolygon = 6,
+ * wkbGeometryCollection = 7,
+ * wkbNone = 100,
+ * wkbLinearRing = 101
*/
private static <T> void setGeom(T t, Feature f, Field gField) throws Exception {
- Geometry geometry = f.GetGeometryRef();
- if (null != geometry) {
- gField.set(t, geometry.ExportToWkt());
+ String geo = "null";
+ if (null != f.GetGeometryRef()) {
+ String wkt = f.GetGeometryRef().ExportToWkt();
+ switch (f.GetGeometryRef().GetGeometryType()) {
+ case 2:
+ wkt = wkt.replace("LINESTRING (", "MULTILINESTRING ((") + ")";
+ break;
+ case 3:
+ wkt = wkt.replace("POLYGON (", "MULTIPOLYGON ((") + ")";
+ break;
+ default:
+ break;
+ }
+ geo = String.format("ST_GeomFromText('%s')", wkt);
}
+
+ gField.set(t, geo);
}
/**
@@ -230,8 +327,267 @@
LocalTime.of(pnHour[0], pnMinute[0], s, ns)
);
- Timestamp timestamp = Timestamp.valueOf(localDateTime);
+ return Timestamp.valueOf(localDateTime);
+ }
- return timestamp;
+ /**
+ * 鑾峰彇 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]);
+ }
+
+ /**
+ * 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;
+ case "java.time.LocalDate":
+ return ogr.OFTDate;
+ 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 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;
+ }
+ }
+ 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);
+ }
+
+ /**
+ * 璁剧疆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);
}
}
--
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