Removed MySQLConnector, its obsolete.

src/zutil/db/MySQLConnection.java

@@ -1,129 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2011 Ziver Koc
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- * 
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- ******************************************************************************/
-package zutil.db;
-
-import java.sql.Connection;
-import java.sql.DriverManager;
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.sql.Statement;
-
-public class MySQLConnection {
-	Connection conn = null;
-	
-	/**
-	 * Connects to a MySQL server
-	 * 
-	 * @param url is the URL of the MySQL server
-	 * @param db is the database to connect to
-	 * @param user is the user name
-	 * @param password is the password
-	 */
-    public MySQLConnection(String url, String db, String user, String password) 
-    		throws SQLException, InstantiationException, IllegalAccessException, ClassNotFoundException{
-		Class.forName ("com.mysql.jdbc.Driver").newInstance();
-		DriverManager.setLoginTimeout(10);
-        conn = DriverManager.getConnection ("jdbc:mysql://"+url+"/"+db, user, password);
-    }
-    
-    /**
-     * Runs a query and returns the result.<br>
-     * <b>NOTE:</b> Don't forget to close the ResultSet and the Statement or it 
-     * can lead to memory leak: rows.getStatement().close();
-     * 
-     * @param sql is the query to execute
-     * @return the data that the DB returned
-     */
-    public synchronized ResultSet query(String sql) throws SQLException{
-    	Statement s = conn.createStatement ();
-    	s.executeQuery(sql);
-    	return s.getResultSet();    	
-    }
-    
-    /**
-     * Returns the first cell of the first row of the query
-     * 
-     * @param sql is the SQL query to run, preferably with the LIMIT 1 at the end
-     * @return A SQL row if it exists or else null
-     */
-    public synchronized String simpleQuery(String sql) throws SQLException{
-    	Statement s = conn.createStatement ();
-    	s.executeQuery(sql);
-    	ResultSet result = s.getResultSet();
-    	if(result.next()){
-    		String tmp = result.getString(1);
-    		result.close();
-    		return tmp;
-    	}
-    	return null;    	
-    }
-    
-    /**
-     * Runs a query in the MySQL server and returns effected rows
-     * 
-     * @param sql is the query to execute
-     * @return the number of rows effected
-     */
-    public synchronized int updateQuery(String sql) throws SQLException{
-    	Statement s = conn.createStatement ();
-    	int ret = s.executeUpdate(sql);
-    	s.close();
-    	return ret;
-    }
-    
-    /**
-     * @return the last inserted id or -1 if there was an error
-     * @throws SQLException
-     */
-    public int getLastInsertID() throws SQLException{
-    	Statement s = conn.createStatement ();
-    	s.executeQuery("SELECT LAST_INSERT_ID()");
-    	ResultSet result = s.getResultSet();
-    	if(result.next()){
-    		int tmp = result.getInt(1);
-    		result.close();
-    		return tmp;
-    	}
-    	return -1;   
-    }
-    
-    /**
-     * Runs a Prepared Statement.<br>
-     * <b>NOTE:</b> Don't forget to close the PreparedStatement or it can lead to memory leak
-     * 
-     * @param sql is the SQL query to run
-     * @return The PreparedStatement
-     */
-    public synchronized PreparedStatement prepareStatement(String sql) throws SQLException{
-    	return conn.prepareStatement(sql);
-    }
-    
-    /**
-     * Disconnects from the database
-     */
-    public synchronized void close() throws SQLException{
-    	if (conn != null){
-            conn.close ();
-        }
-    }
-}