좌표로 법정동코드 찾기(beta)

pav-server/src/main/java/com/palnet/comn/utils/FlightUtils.java

@@ -1,7 +1,16 @@
 package com.palnet.comn.utils;
 
+import java.io.BufferedReader;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
 import java.util.List;
 
+import org.json.simple.JSONArray;
+import org.json.simple.JSONObject;
+import org.json.simple.parser.JSONParser;
+import org.json.simple.parser.ParseException;
 import org.locationtech.jts.geom.Coordinate;
 import org.locationtech.jts.geom.CoordinateSequence;
 import org.locationtech.jts.geom.Geometry;
@@ -18,6 +27,9 @@ import org.locationtech.proj4j.CRSFactory;
 import org.locationtech.proj4j.CoordinateReferenceSystem;
 import org.locationtech.proj4j.ProjCoordinate;
 
+import lombok.extern.log4j.Log4j2;
+
+@Log4j2
 public class FlightUtils {
 	//기본좌표를 받아 버퍼좌표를 생성하는 유틸
 	public static Coordinate[] createBuffer(Coordinate[] lineCoords, Integer bufval) {
@@ -134,4 +146,94 @@ public class FlightUtils {
 		return result;
 	}
 	
+	public static JSONObject getCoordinateGis(Coordinate coordinate) throws IOException, ParseException {
+		
+		String path = "C:\\Users\\Jaewoo\\Downloads\\pal\\pav\\kac\\coordinate\\CoordinateFolder\\";
+		
+		String baseFileName = "all_location.geojson";
+		
+		JSONObject obj = new JSONObject();
+		
+		while(true) {
+			
+			try {
+			
+				obj = parseGeoJson(path+baseFileName, coordinate);
+				
+				path += obj.get("CD")+"\\";
+				
+				System.out.println(obj.toString());
+				
+			}catch(Exception e) {
+				
+				log.error("error>>>> : {}" , e);
+				
+				return obj;
+				
+			}
+		}
+    }
+	
+	public static JSONObject parseGeoJson(String path, Coordinate coordinate) throws IOException, ParseException {
+		
+		GeometryFactory geometryFactory = new GeometryFactory();
+		
+		FileInputStream fileInputStream = new FileInputStream(path);
+		
+        BufferedReader reader = new BufferedReader(new InputStreamReader(fileInputStream, "UTF-8"), 8192);
+
+        JSONParser jsonParser = new JSONParser();
+        JSONObject jsonObject = (JSONObject) jsonParser.parse(reader);
+        
+        Point point = geometryFactory.createPoint(coordinate);
+        String type = (String) jsonObject.get("type");
+        Object airArea = jsonObject;
+        List<JSONObject> features = (List<JSONObject>) jsonObject.get("features");
+
+        fileInputStream.close();
+        reader.close();
+        
+        for(int i=0; i<features.size(); i++) {
+        	
+            JSONObject geometry = (JSONObject) features.get(i).get("geometry");
+
+            JSONObject properties = (JSONObject) features.get(i).get("properties");
+            
+            List<JSONArray> coordinates = (List<JSONArray>) geometry.get("coordinates");
+            
+            for(int k = 0; k< coordinates.size(); k++) {
+            	
+            	List<Coordinate> polygonPaths = new ArrayList<>();
+            	
+            	for(Object coords : coordinates.get(k)) {
+            		
+            		for(int j = 0; j<((JSONArray)coords).size(); j++) {
+            			
+            			Object coord = ((JSONArray) coords).get(j);
+            			
+		            	Object y = ((JSONArray) coord).get(0);
+		                Object x = ((JSONArray) coord).get(1);
+		                
+		                Double lon = y instanceof Double ? (Double) y : Double.valueOf((Long) y);
+	                    Double lat = x instanceof Double ? (Double) x : Double.valueOf((Long) x);
+	                    
+	                    Coordinate areaCoord = new Coordinate(lon, lat);
+	
+	                    polygonPaths.add(areaCoord);
+	                    
+            		}
+            		
+            		polygonPaths.add(polygonPaths.get(0));
+            		
+            	}
+            	
+        		Polygon polygon = geometryFactory.createPolygon(polygonPaths.toArray(new Coordinate[] {}));
+        		
+        		if(polygon.contains(point)) return properties;
+        		
+            }
+        }
+
+        return null;
+    }
 }