Refactor to remove abstraction.

src/engine/db/handlers/dbRealmHandler.java

@@ -9,14 +9,12 @@
 
 package engine.db.handlers;
 
+import engine.gameManager.DbManager;
 import engine.objects.Realm;
 import org.pmw.tinylog.Logger;
 
-import java.net.UnknownHostException;
-import java.sql.ResultSet;
-import java.sql.SQLException;
+import java.sql.*;
 import java.util.concurrent.ConcurrentHashMap;
-import java.util.logging.Level;
 
 public class dbRealmHandler extends dbHandlerBase {
 
@@ -32,42 +30,43 @@ public class dbRealmHandler extends dbHandlerBase {
         realmList = new ConcurrentHashMap<>();
         int recordsRead = 0;
 
-        prepareCallable("SELECT * FROM obj_realm");
+        try (Connection connection = DbManager.getConnection();
+             PreparedStatement preparedStatement = connection.prepareStatement("SELECT * FROM obj_realm")) {
 
-        try {
-            ResultSet rs = executeQuery();
+            ResultSet rs = preparedStatement.executeQuery();
 
             while (rs.next()) {
-
                 recordsRead++;
                 thisRealm = new Realm(rs);
                 realmList.put(thisRealm.getRealmID(), thisRealm);
             }
 
-            Logger.info("read: " + recordsRead + " cached: " + realmList.size());
-
         } catch (SQLException e) {
-            Logger.error(e.getErrorCode() + ' ' + e.getMessage(), e);
-        } catch (UnknownHostException ex) {
-            java.util.logging.Logger.getLogger(dbRealmHandler.class.getName()).log(Level.SEVERE, null, ex);
-        } finally {
-            closeCallable();
+            Logger.error(e);
         }
+
+        Logger.info("read: " + recordsRead + " cached: " + realmList.size());
         return realmList;
     }
 
     public void REALM_UPDATE(Realm realm) {
 
-        prepareCallable("CALL realm_UPDATE(?,?,?,?)");
+        try (Connection connection = DbManager.getConnection();
+             PreparedStatement preparedStatement = connection.prepareStatement("CALL realm_UPDATE(?,?,?,?)")) {
+
+            preparedStatement.setInt(1, realm.getRealmID());
+            preparedStatement.setInt(2, (realm.getRulingCity() == null) ? 0 : realm.getRulingCity().getObjectUUID());
+            preparedStatement.setInt(3, realm.getCharterType());
 
-        setInt(1, realm.getRealmID());
-        setInt(2, (realm.getRulingCity() == null) ? 0 : realm.getRulingCity().getObjectUUID());
-        setInt(3, realm.getCharterType());
             if (realm.ruledSince != null)
-            setLocalDateTime(4, realm.ruledSince);
+                preparedStatement.setTimestamp(4, Timestamp.valueOf(realm.ruledSince));
             else
-            setNULL(4, java.sql.Types.DATE);
+                preparedStatement.setNull(4, java.sql.Types.DATE);
+
+            preparedStatement.execute();
 
-        executeUpdate();
+        } catch (SQLException e) {
+            Logger.error(e);
+        }
     }
 }

src/engine/db/handlers/dbResistHandler.java

@@ -9,8 +9,12 @@
 
 package engine.db.handlers;
 
+import engine.gameManager.DbManager;
 import engine.objects.Resists;
+import org.pmw.tinylog.Logger;
 
+import java.sql.Connection;
+import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 
@@ -21,17 +25,23 @@ public class dbResistHandler extends dbHandlerBase {
     }
 
     public Resists GET_RESISTS_FOR_MOB(int resistID) {
-        prepareCallable("SELECT * FROM `static_npc_mob_resists` WHERE `ID` = ?;");
-        setInt(1, resistID);
-        try {
-            ResultSet rs = executeQuery();
-            if (rs.next()) {
-                return new Resists(rs);
-            }
+
+        Resists resists = null;
+
+        try (Connection connection = DbManager.getConnection();
+             PreparedStatement preparedStatement = connection.prepareStatement("SELECT * FROM `static_npc_mob_resists` WHERE `ID` = ?;")) {
+
+            preparedStatement.setInt(1, resistID);
+
+            ResultSet rs = preparedStatement.executeQuery();
+
+            if (rs.next())
+                resists = new Resists(rs);
+
         } catch (SQLException e) {
-        } finally {
-            closeCallable();
+            Logger.error(e);
         }
-        return null;
+
+        return resists;
     }
 }

src/engine/objects/Realm.java

@@ -22,7 +22,6 @@ import engine.server.MBServerStatics;
 import org.pmw.tinylog.Logger;
 
 import java.awt.*;
-import java.net.UnknownHostException;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.time.LocalDateTime;
@@ -72,7 +71,7 @@ public class Realm {
 	/**
 	 * ResultSet Constructor
 	 */
-	public Realm(ResultSet rs) throws SQLException, UnknownHostException {
+	public Realm(ResultSet rs) throws SQLException {
 
 		this.mapColor = new Color(Integer.parseInt(rs.getString("realmColor"), 16));
 		this.mapR = (float) (mapColor.getRed() * 0.00392156863);