From ceac45fc6e97c0f3493323c0b213384e93ff7362 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期六, 26 十一月 2022 15:30:56 +0800
Subject: [PATCH] 1
---
src/main/java/com/lf/server/helper/GdbHelper.java | 134 ++++++++++++++++++++++++++++++++++++--------
1 files changed, 108 insertions(+), 26 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..115776a 100644
--- a/src/main/java/com/lf/server/helper/GdbHelper.java
+++ b/src/main/java/com/lf/server/helper/GdbHelper.java
@@ -9,10 +9,7 @@
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 +18,79 @@
public class GdbHelper {
private final static Log log = LogFactory.getLog(GdbHelper.class);
+ public static List<String> excludeFields = new ArrayList<>(Arrays.asList("gid", "shape_leng"));
+
+ /**
+ * 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) {
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);
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 +101,22 @@
*/
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 +124,10 @@
layer.delete();
}
-
- driver.delete();
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
+ } finally {
+ GdbHelper.delete(dataSource, driver);
}
return list;
@@ -87,6 +141,9 @@
Field gField = getGeomField(clazz);
Map<Integer, Field> map = getFieldMapper(clazz, layer);
if (map.size() == 0) {
+ return;
+ }
+ if (1 > layer.GetFeatureCount()) {
return;
}
@@ -104,9 +161,7 @@
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
} finally {
- if (null != layer) {
- layer.delete();
- }
+ GdbHelper.delete(layer);
}
}
@@ -115,7 +170,7 @@
*/
private static Field getGeomField(Class clazz) {
try {
- Field gField = clazz.getDeclaredField("geom");
+ Field gField = clazz.getSuperclass().getDeclaredField("geom");
gField.setAccessible(true);
return gField;
@@ -135,7 +190,12 @@
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);
@@ -199,12 +259,36 @@
/**
* 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 +314,6 @@
LocalTime.of(pnHour[0], pnMinute[0], s, ns)
);
- Timestamp timestamp = Timestamp.valueOf(localDateTime);
-
- return timestamp;
+ return Timestamp.valueOf(localDateTime);
}
}
--
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