From 93c13c47fd35493bbca35be7baccfd1a0ba9e9ef Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期五, 16 十二月 2022 09:52:38 +0800
Subject: [PATCH] 1
---
src/main/java/com/lf/server/helper/GdbHelper.java | 181 +++++++++++++++++++++++++++++++++++++-------
1 files changed, 150 insertions(+), 31 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..21fc9cf 100644
--- a/src/main/java/com/lf/server/helper/GdbHelper.java
+++ b/src/main/java/com/lf/server/helper/GdbHelper.java
@@ -1,14 +1,16 @@
package com.lf.server.helper;
+import com.lf.server.entity.all.StaticData;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.gdal.ogr.*;
import java.lang.reflect.Field;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
+import java.sql.Timestamp;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.util.*;
/**
* GDB甯姪绫�
@@ -17,25 +19,81 @@
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: 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();
}
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
+ } finally {
+ GdbHelper.delete(dataSource, driver);
}
return list;
@@ -46,16 +104,22 @@
*/
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;
@@ -63,10 +127,10 @@
layer.delete();
}
-
- driver.delete();
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
+ } finally {
+ GdbHelper.delete(dataSource, driver);
}
return list;
@@ -78,8 +142,10 @@
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;
}
@@ -97,9 +163,7 @@
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
} finally {
- if (null != layer) {
- layer.delete();
- }
+ GdbHelper.delete(layer);
}
}
@@ -108,7 +172,7 @@
*/
private static Field getGeomField(Class clazz) {
try {
- Field gField = clazz.getDeclaredField("geom");
+ Field gField = clazz.getSuperclass().getDeclaredField("geom");
gField.setAccessible(true);
return gField;
@@ -120,15 +184,18 @@
/**
* 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 <T> 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);
@@ -136,11 +203,13 @@
//
}
}
+
+ if (OBJECT != clazz.getSuperclass().getName()) {
+ getFieldMapper(clazz.getSuperclass(), layer, map);
+ }
} catch (Exception ex) {
//
}
-
- return map;
}
/**
@@ -167,7 +236,7 @@
* 璁剧疆鍊�
*/
private static <T> void setValue(T t, Feature f, Field field, Integer i) throws Exception {
- switch (field.getType().toString()) {
+ switch (field.getType().getName()) {
case "java.math.BigDecimal":
case "java.lang.Double":
case "double":
@@ -182,7 +251,7 @@
field.set(t, f.GetFieldAsInteger(i));
break;
case "java.sql.Timestamp":
- field.set(t, GdalHelper.getProperty(f, i));
+ field.set(t, getTimestamp(f, i));
break;
default:
field.set(t, f.GetFieldAsString(i));
@@ -192,11 +261,61 @@
/**
* 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);
+ }
+
+ /**
+ * 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)
+ );
+
+ return Timestamp.valueOf(localDateTime);
}
}
--
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