Bug 191404 Connection is still successful after delete drivers[0703]
Description: Create a Sqlserver datasource and dataset, then delete the jtds driver. Click "Test Connection" is still successful, and the dataset still works. Build Version:2.2.0.v20070607-0630 Steps to reproduce: 1. Add a jtds driver, and create a Sqlserver connection and dataset. 2. Go to "Manage JDBC Drivers" dialog, and delete the driver. 3. Click "Test Connection", the connection is successful. 4. Click "Preview Results" in "Edit Data Set" dialog, it works. Expected Result: Delete driver will lose the connection.
data/org.eclipse.birt.report.data.oda.jdbc/src/org/eclipse/birt/report/data/oda/jdbc/JDBCDriverManager.java
return isExpectedDriverClass( actual, className); 
	}
	
	private boolean isExpectedDriverClass( String actual, String expected)
	{
		
		
		 
		
		
		
		
		
		String actualPkg = actual.substring(0, actual.lastIndexOf('.') );
		String expectedPkg = expected.substring(0, expected.lastIndexOf('.') );
		return actualPkg.equals( expectedPkg );
	}
	
	/**
	 * Try to create a connection based on given connection properties.
	 * @param driverClassName
	 * @param connectionString
	 * @param userId
	 * @param password
	 * @throws SQLException
	 * @throws OdaException
	 */
	private void tryCreateConnection( String driverClassName,
			String connectionString, String userId, String password )
			throws SQLException, OdaException