initial version

downloader/DBConnector.java

@@ -0,0 +1,43 @@
+package downloader;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+
+public class DBConnector {
+	private Connection conn;
+
+	/**
+	 * Connect to a sample database
+	 * 
+	 * @throws SQLException
+	 */
+	public void connect(String dbFile) throws SQLException {
+		conn = null;
+		try {
+			// db parameters
+			String url = "jdbc:sqlite:" + dbFile;
+			System.out.println(url);
+			// create a connection to the database
+			conn = DriverManager.getConnection(url);
+			
+		} catch (SQLException e) {
+			System.out.println(e.getMessage());
+			throw e;
+		}
+	}
+
+	public void close() throws SQLException {
+		conn.close();
+	}
+
+	public ResultSet executeRequest(String sql) {
+		try {
+			return conn.createStatement().executeQuery(sql);
+		} catch (SQLException e) {
+			e.printStackTrace();
+		}
+		return null;
+	}
+}