Bug 134465 JDBC DataSource->sampledb.Driver can not be finished.
Steps: 1. Create a data source, select JDBC DataSource 2. Click next 3. Select org.eclipse.birt.report.data.oda.sampledb.Driver (Classic Models Inc. SampleDB Driver) 4. Test connection(Success) The dialog can not be finished("Finish" button is still gray out)
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/profile/JDBCSelectionPageHelper.java
}
	
	/**
	 * This method should be called in the following occations: 1. The value of
	 * selected driver is changed 2. The value of inputed URL is changed 3. When
	 * the control is created 4.
	 */
	private void updateTestButton( )
	{
		if ( !isURLBlank( ) )
		{
			
			setMessage( EMPTY_URL, IMessageProvider.ERROR );
			testButton.setEnabled( false );
		}
		else
		{
			setMessage( DEFAULT_MESSAGE );
			if ( !testButton.isEnabled( ) )
				testButton.setEnabled( true );
		}
	}
	
	private void verifyJDBCProperties( )
	{
		if ( driverChooserCombo != null
				&& jdbcUrl != null )
		{
			if ( getSelectedDriverClassName( ) != null
					&& getSelectedDriverClassName( ).trim( ).length( ) > 0