add class DBConfig

example.config.json

@@ -2,7 +2,7 @@
   "storePath": "./data/",
   "apiURL": "https://data.sensor.community/airrohr/v1/sensor/35943/",
   "interval": 150,
-  "sqlConnection": {
+  "dbConfig": {
     "db": "",
     "pw": "",
     "user": "",

src/main/java/sh/adb/sensorCommunityAPI/DBConfig.java

@@ -0,0 +1,35 @@
+package sh.adb.sensorCommunityAPI;
+
+import org.json.simple.JSONObject;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+
+public class DBConfig {
+    String pw;
+    String db;
+    String user;
+    int port;
+    String server;
+
+    void setConfig(String pw, String db, String user, int port, String server){
+        this.pw = pw;
+        this.db = db;
+        this.user = user;
+        this.port = port;
+        this.server = server;
+    }
+    void setJsonConfig(JSONObject config){
+        this.pw = (String) config.get("pw");
+        this.db = (String) config.get("db");
+        this.user = (String) config.get("user");
+        this.port = (Integer) config.get("port");
+        this.server = (String) config.get("server");
+    }
+    Connection getDbConnection() throws SQLException {
+        return DriverManager.getConnection(
+            "jdbc:mariadb://"+this.server+":"+String.valueOf(this.port)+"/"+this.db+"?user="+this.user+"&password="+this.pw
+        );
+    }
+}

src/main/java/sh/adb/sensorCommunityAPI/DBHandler.java

@@ -0,0 +1,12 @@
+package sh.adb.sensorCommunityAPI;
+
+import java.sql.Connection;
+import java.sql.SQLException;
+
+public class DBHandler {
+    Connection connection;
+
+    DBHandler(DBConfig config) throws SQLException {
+        this.connection = config.getDbConnection();
+    }
+}

src/main/java/sh/adb/sensorCommunityAPI/DataStoreBot.java

@@ -6,6 +6,7 @@ import org.json.simple.parser.ParseException;
 
 import java.io.IOException;
 import java.net.MalformedURLException;
+import java.sql.Connection;
 import java.sql.SQLException;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
@@ -16,13 +17,13 @@ public class DataStoreBot {
     String apiURL;
     APIParser api;
     DataStore store;
-    dbHandler db;
-    DataStoreBot(String storePath, String apiURL) throws MalformedURLException, SQLException {
+    DBHandler db;
+    DataStoreBot(String storePath, String apiURL, DBConfig dbConfig) throws MalformedURLException, SQLException {
         this.storePath = storePath;
         this.apiURL = apiURL;
         this.api = new APIParser(this.apiURL);
         this.store = new DataStore();
-        this.db = new dbHandler((JSONObject) store.readJSON("config.json").get("sqlConnection"));
+        this.db = new DBHandler(dbConfig);
     }
     public void setInterval(int seconds) {
         ScheduledExecutorService ses = Executors.newScheduledThreadPool(1);

src/main/java/sh/adb/sensorCommunityAPI/Main.java

@@ -3,16 +3,21 @@ package sh.adb.sensorCommunityAPI;
 import org.json.simple.JSONObject;
 
 import java.io.IOException;
+import java.sql.SQLException;
 
 public class Main {
-    public static void main(String[] args) throws IOException {
+    public static void main(String[] args) throws IOException, SQLException {
         DataStore store = new DataStore();
         JSONObject config = store.readJSON("config.json");
         if (config == null) config = store.readJSON("example.config.json");
 
+        DBConfig dbConfig = new DBConfig();
+        dbConfig.setJsonConfig((JSONObject) config.get("dbConfig"));
+
         DataStoreBot bot = new DataStoreBot(
                 config.get("storePath").toString(),
-                config.get("apiURL").toString()
+                config.get("apiURL").toString(),
+                dbConfig
         );
         bot.setInterval((int)(long) config.get("interval"));
     }

src/main/java/sh/adb/sensorCommunityAPI/dbHandler.java

@@ -1,27 +0,0 @@
-package sh.adb.sensorCommunityAPI;
-
-import org.json.simple.JSONObject;
-
-import java.sql.Connection;
-import java.sql.DriverManager;
-import java.sql.SQLException;
-
-public class dbHandler {
-    String pw;
-    String db;
-    String user;
-    int port;
-    String server;
-    Connection connection;
-
-    dbHandler(JSONObject config) throws SQLException {
-        this.pw = (String) config.get("pw");
-        this.db = (String) config.get("db");
-        this.user = (String) config.get("user");
-        this.port = (Integer) config.get("port");
-        this.server = (String) config.get("server");
-        Connection connection = DriverManager.getConnection(
-                "jdbc:mariadb://"+this.server+":"+this.port+"/"+this.db+"?user="+this.user+"&password="+this.pw
-        );
-    }
-}