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初始化

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hukekuan@163.com 2018-01-16 14:29:28 +08:00
parent e295e52e9f
commit bc7e49f4c9
2 changed files with 94 additions and 77 deletions
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93
src/main/java/com/gis3c/spatial/common/FeatureUtilities.java Normal file
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@ -0,0 +1,93 @@
package com.gis3c.spatial.common;
import org.geotools.data.DataUtilities;
import org.geotools.data.simple.SimpleFeatureCollection;
import org.geotools.geojson.feature.FeatureJSON;
import org.opengis.feature.simple.SimpleFeature;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.StringWriter;
import java.util.List;
/**
* Created by hukekuan on 2018/1/16.
*/
public class FeatureUtilities {
/**
* @author hukekuan
* @Description 对象列表转 SimpleFeatureCollection
* @param simpleFeatureList
* @return SimpleFeatureCollection
* @date 2017-07-11 上午9:46
*/
public static SimpleFeatureCollection Features2Collection(List<SimpleFeature> simpleFeatureList){
SimpleFeatureCollection simpleFeatureCollection = null;
if(simpleFeatureList != null && simpleFeatureList.size() > 0){
simpleFeatureCollection = DataUtilities.collection(simpleFeatureList);
}
return simpleFeatureCollection;
}
/**
* @author hukekuan
* @Description 对象列表转 GeoJSON
* @param simpleFeatureList
* @return GeoJSON字符串
* @throws IOException
*/
public static String Features2GeoJSON(List<SimpleFeature> simpleFeatureList)
throws IOException {
String result = null;
SimpleFeatureCollection simpleFeatureCollection = null;
if(simpleFeatureList != null && simpleFeatureList.size() > 0){
FeatureJSON fjson = new FeatureJSON();
StringWriter writer = new StringWriter();
simpleFeatureCollection = Features2Collection(simpleFeatureList);
fjson.writeFeatureCollection(simpleFeatureCollection, writer);
result = writer.toString();
}
return result;
}
/**
* @author hukekuan
* @Description SimpleFeatureCollection转 GeoJSON
* @param featureCollection
* @return GeoJSON字符串
* @throws IOException
*/
public static String FeatureCollection2GeoJson(SimpleFeatureCollection featureCollection)
throws IOException{
String result = null;
FeatureJSON fjson;
StringWriter writer;
if(featureCollection != null && featureCollection.size() > 0){
fjson = new FeatureJSON();
writer = new StringWriter();
fjson.writeFeatureCollection(featureCollection, writer);
result = writer.toString();
}
return result;
}
/**
* @author hukekuan
* @Description GeoJSON转SimpleFeatureCollection
* @param geojsonStr geojson字符串
* @return SimpleFeatureCollection
* @throws IOException
*/
public static SimpleFeatureCollection GeoJson2FeatureCollection(String geojsonStr)
throws IOException{
SimpleFeatureCollection result = null;
FeatureJSON fjson = new FeatureJSON();
result = (SimpleFeatureCollection) fjson.readFeatureCollection(new ByteArrayInputStream(geojsonStr.getBytes()));
return result;
}
}

78
src/main/java/com/gis3c/spatial/entity/feature/BaseFeature.java
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@ -91,7 +91,7 @@ public class BaseFeature implements IFeature {
* @throws IllegalAccessException
* @date 2017-07-10 下午7:10
*/
public SimpleFeature attribute2Feature(SimpleFeatureType featureType,String featureIndex)
public SimpleFeature attribute2Feature(SimpleFeatureType featureType, String featureIndex)
throws IllegalArgumentException, IllegalAccessException {
SimpleFeature simpleFeature = null;
if(featureType == null){
@ -108,82 +108,6 @@ public class BaseFeature implements IFeature {
return simpleFeature;
}
/**
* @author hukekuan
* @Description 对象列表转 SimpleFeatureCollection
* @param simpleFeatureList
* @return SimpleFeatureCollection
* @date 2017-07-11 上午9:46
*/
public static SimpleFeatureCollection Attributes2Features(List<SimpleFeature> simpleFeatureList){
SimpleFeatureCollection simpleFeatureCollection = null;
if(simpleFeatureList != null && simpleFeatureList.size() > 0){
simpleFeatureCollection = DataUtilities.collection(simpleFeatureList);
}
return simpleFeatureCollection;
}
/**
* @author hukekuan
* @Description 对象列表转 GeoJSON
* @param simpleFeatureList
* @return GeoJSON字符串
* @throws IOException
*/
public static String Attributes2GeoJSON(List<SimpleFeature> simpleFeatureList)
throws IOException {
String result = null;
SimpleFeatureCollection simpleFeatureCollection = null;
if(simpleFeatureList != null && simpleFeatureList.size() > 0){
FeatureJSON fjson = new FeatureJSON();
StringWriter writer = new StringWriter();
simpleFeatureCollection = Attributes2Features(simpleFeatureList);
fjson.writeFeatureCollection(simpleFeatureCollection, writer);
result = writer.toString();
}
return result;
}
/**
* @author hukekuan
* @Description SimpleFeatureCollection转 GeoJSON
* @param featureCollection
* @return GeoJSON字符串
* @throws IOException
*/
public static String FeatureCollection2GeoJson(SimpleFeatureCollection featureCollection)
throws IOException{
String result = null;
FeatureJSON fjson;
StringWriter writer;
if(featureCollection != null && featureCollection.size() > 0){
fjson = new FeatureJSON();
writer = new StringWriter();
fjson.writeFeatureCollection(featureCollection, writer);
result = writer.toString();
}
return result;
}
/**
* @author hukekuan
* @Description GeoJSON转SimpleFeatureCollection
* @param geojsonStr geojson字符串
* @return SimpleFeatureCollection
* @throws IOException
*/
public static SimpleFeatureCollection GeoJson2FeatureCollection(String geojsonStr)
throws IOException{
SimpleFeatureCollection result = null;
FeatureJSON fjson = new FeatureJSON();
result = (SimpleFeatureCollection) fjson.readFeatureCollection(new ByteArrayInputStream(geojsonStr.getBytes()));
return result;
}