좌표로 법정동 코드 찾는 유틸 -> 성능 향상 , 인접한 바다의 좌표도 가장 가까운 육지의 담당자 찾을 수 있는 기능 추가

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

@@ -7,6 +7,10 @@ import java.io.IOException;
 import java.io.InputStreamReader;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.concurrent.Callable;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
 
 import org.json.simple.JSONArray;
 import org.json.simple.JSONObject;
@@ -159,15 +163,13 @@ public class FlightUtils {
 	}
 	
 	//좌표의 읍면동 , 리 등 가장 세분화된 법정동 코드를 리턴
-	public static JSONObject getCoordinateGis(Coordinate coordinate) throws IOException, ParseException {
+	public static JSONObject getCoordinateGis(Coordinate coordinate, int depth, boolean isNear) throws IOException, ParseException {
 		
 		String baseFileName = "all_location.geojson";
 		
 		JSONObject obj = new JSONObject();
 		
-		log.info("path >>>>>> {}", basePath);
+		String path = basePath + depth + "/";
-		
-		String path = basePath;
 		
 		while(true) {
 			
@@ -175,7 +177,9 @@ public class FlightUtils {
 			
 			if(!file.exists()) return obj;
 				
-			obj = parseGeoJson(path+baseFileName, coordinate);
+			obj = parseGeoJson(path+baseFileName, coordinate, isNear);
+			
+			if(obj == null) return null;
 			
 			path += obj.get("CD")+"/";
 			
@@ -183,14 +187,12 @@ public class FlightUtils {
     }
 	
 	//depth를 통해 좌표의 특정 구간(2 : 광역시,  5 : 시군구, 8 : 읍면동 / 리)에 해당하는 정보를 가져옴 
-	public static JSONObject getCoordinateGis(Coordinate coordinate, int depth) throws IOException, ParseException {
+	public static JSONObject getDepthPlace(Coordinate coordinate, int depth) throws IOException, ParseException {
 		
 		String baseFileName = "all_location.geojson";
 		
 		JSONObject obj = new JSONObject();
 		
-		log.info("path >>>>>> {}", basePath);
-		
 		String path = basePath;
 		
 		while(true) {
@@ -199,7 +201,7 @@ public class FlightUtils {
 			
 			if(!file.exists()) return obj;
 				
-			obj = parseGeoJson(path+baseFileName, coordinate);
+			obj = parseGeoJson(path+baseFileName, coordinate, false);
 			
 			if(obj.get("CD").toString().length() >= depth) return obj;
 			
@@ -208,8 +210,75 @@ public class FlightUtils {
 		}
     }
 
+	// isNear == true -> 좌표가 육지가 아닌 바다
+	// isNear == false -> 좌표가 육지
+	public static JSONObject getPlace(Coordinate coord, boolean isNear) throws IOException, ParseException {
+		
+		int numberOfThreads = 5;
+        ExecutorService executorService = Executors.newFixedThreadPool(numberOfThreads);
+
+        Integer[] coords = {11, 26, 27, 28, 29, 30, 31, 36, 41, 43, 44, 45, 46, 47, 48, 50, 51};
+
+        List<Callable<JSONObject>> callables = new ArrayList<>();
+
+        for (int i = 0; i < coords.length-1; i++) {
+            
+        	int path = i;
+            callables.add(() -> getCoordinateGis(coord, coords[path], isNear));
+            
+        }
+        
+        try {
+        	
+        	List<Future<JSONObject>> results = new ArrayList<>();
         	
-	public static JSONObject parseGeoJson(String path, Coordinate coordinate) throws IOException, ParseException {
+        	for (Callable<JSONObject> callable : callables) {
+        	    results.add(executorService.submit(callable));
+        	}
+
+            executorService.shutdown();
+
+            if(isNear) {
+            	
+            	JSONObject result = new JSONObject();
+            	Double distance = 1000000.0;
+            	
+	            for (Future<JSONObject> rslt : results) {
+	            	
+	                try {
+	                    JSONObject jsonObject = rslt.get();
+	                    
+	                    if((Double)jsonObject.get("distance") < distance) {
+	                    	
+	                    	distance = (Double)jsonObject.get("distance");
+	                    	result = jsonObject;
+	                    	
+	                    }
+	                } catch (Exception e) {
+	                    e.printStackTrace();
+	                }
+	            }
+	            
+	            return result;
+	            
+            } else {
+            	for (Future<JSONObject> rslt : results) {
+            		
+            		JSONObject jsonObject = rslt.get();
+        			
+            		if(jsonObject != null) return jsonObject;
+            		
+            	}
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        return null; // 모든 작업이 실패한 경우 null 반환
+
+    }
+
+	public static JSONObject parseGeoJson(String path, Coordinate coordinate, boolean isNear) throws IOException, ParseException {
 		
 		GeometryFactory geometryFactory = new GeometryFactory();
 		
@@ -229,6 +298,10 @@ public class FlightUtils {
         fileInputStream.close();
         reader.close();
         
+        JSONObject result = new JSONObject(); 
+        
+        Double distance = 10000000.0;
+        
         for(int i=0; i<features.size(); i++) {
         	
             JSONObject geometry = (JSONObject) features.get(i).get("geometry");
@@ -265,11 +338,28 @@ public class FlightUtils {
             	
         		Polygon polygon = geometryFactory.createPolygon(polygonPaths.toArray(new Coordinate[] {}));
         		
+        		if(isNear) {
+        			
+        			if(distance > polygon.distance(point)) {
+        				
+        				distance = polygon.distance(point);
+        				
+        				result = properties;
+        				
+        			}
+        		}else {
+        			
         			if(polygon.contains(point)) return properties;
         			
         		}
             }
+        }
         
+        if(isNear) {
+        	result.put("distance", distance);
+            return result;
+        }else {
         	return null;
         }
+    }
 }