From 2d2d9138fbe5c9c43f070be59a2d10f18fbf4c3b Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期三, 23 十一月 2022 09:05:06 +0800
Subject: [PATCH] 1
---
src/main/java/com/lf/server/helper/GdbHelper.java | 105 +++++++++++++++++++++++++++++++++++++++++++++++-----
1 files changed, 94 insertions(+), 11 deletions(-)
diff --git a/src/main/java/com/lf/server/helper/GdbHelper.java b/src/main/java/com/lf/server/helper/GdbHelper.java
index 91f476d..48d1d14 100644
--- a/src/main/java/com/lf/server/helper/GdbHelper.java
+++ b/src/main/java/com/lf/server/helper/GdbHelper.java
@@ -5,6 +5,10 @@
import org.gdal.ogr.*;
import java.lang.reflect.Field;
+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;
@@ -17,6 +21,13 @@
public class GdbHelper {
private final static Log log = LogFactory.getLog(GdbHelper.class);
+ public static List<String> excludeFields = new ArrayList<String>();
+
+ static {
+ excludeFields.add("gid");
+ excludeFields.add("shape_leng");
+ }
+
/**
* 鑾峰彇琛ㄥ悕
*/
@@ -24,16 +35,24 @@
List<String> list = new ArrayList<>();
try {
org.gdal.ogr.Driver driver = ogr.GetDriverByName("OpenFileGDB");
- if (driver == null) {
+ if (null == driver) {
return list;
}
DataSource 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);
-
list.add(layer.GetName());
+
+ layer.delete();
}
+
+ dataSource.delete();
+ driver.delete();
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
}
@@ -48,11 +67,15 @@
List<T> list = new ArrayList<>();
try {
org.gdal.ogr.Driver driver = ogr.GetDriverByName("OpenFileGDB");
- if (driver == null) {
+ if (null == driver) {
return list;
}
DataSource 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);
@@ -64,6 +87,7 @@
layer.delete();
}
+ dataSource.delete();
driver.delete();
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
@@ -80,6 +104,9 @@
Field gField = getGeomField(clazz);
Map<Integer, Field> map = getFieldMapper(clazz, layer);
if (map.size() == 0) {
+ return;
+ }
+ if (1 > layer.GetFeatureCount()) {
return;
}
@@ -128,7 +155,12 @@
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 (excludeFields.contains(name)){
+ continue;
+ }
+
+ Field field = clazz.getDeclaredField(name);
field.setAccessible(true);
map.put(i, field);
@@ -168,21 +200,21 @@
*/
private static <T> void setValue(T t, Feature f, Field field, Integer i) throws Exception {
switch (field.getType().toString()) {
- case "java.math.BigDecimal":
- case "java.lang.Double":
+ case "class java.math.BigDecimal":
+ case "class java.lang.Double":
case "double":
field.set(t, f.GetFieldAsDouble(i));
break;
- case "java.lang.Long":
+ case "class java.lang.Long":
case "long":
field.set(t, f.GetFieldAsInteger64(i));
break;
- case "java.lang.Integer":
+ case "class java.lang.Integer":
case "int":
field.set(t, f.GetFieldAsInteger(i));
break;
- case "java.sql.Timestamp":
- field.set(t, GdalHelper.getProperty(f, i));
+ case "class java.sql.Timestamp":
+ field.set(t, getTimestamp(f, i));
break;
default:
field.set(t, f.GetFieldAsString(i));
@@ -192,11 +224,62 @@
/**
* 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 wkt = geometry.ExportToWkt();
+ switch (geometry.GetGeometryType()) {
+ case 2:
+ wkt = wkt.replace("LINESTRING (", "MULTILINESTRING ((") + ")";
+ break;
+ case 3:
+ wkt = wkt.replace("POLYGON (", "MULTIPOLYGON ((") + ")";
+ break;
+ default:
+ break;
+ }
+
+ gField.set(t, String.format("ST_GeomFromText('%s')", wkt));
}
}
+
+ /**
+ * 鑾峰彇 Timestamp
+ */
+ private static Timestamp getTimestamp(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);
+
+ float fSecond = pfSecond[0];
+ int s = (int) fSecond;
+ int ns = (int) (1000000000 * fSecond - s);
+
+ LocalDateTime localDateTime = LocalDateTime.of(
+ LocalDate.of(pnYear[0], pnMonth[0], pnDay[0]),
+ LocalTime.of(pnHour[0], pnMinute[0], s, ns)
+ );
+
+ Timestamp timestamp = Timestamp.valueOf(localDateTime);
+
+ return timestamp;
+ }
}
--
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