Bug 315315 Warning messages seen while starting up workbench
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/util/PluginSettings.java
final Class<?> c = Class.forName( sFQClassName );
			return SecurityUtil.newClassInstance( c );
		}
		catch ( Exception ex )
		{
			throw new ChartException( ChartEnginePlugin.ID,
					ChartException.PLUGIN,
					ex );
		}
	}
	/**
	 * Attempts to walk through the schema tree as defined in an extension point
	 * schema and instantiate the class associated with the value for a given
	 * element name.
	 * 
	 * @param sXsdListName
	 * @param sXsdComplexName
	 * @param sXsdElementName
	 * @param sXsdElementValue
	 * @param sLookupName
	 * 
	 * @return An instance of the value class instantiated via the extension
	 *         framework
	 */
	private static final Object getPluginXmlObject( String sXsdListName,
			String sXsdComplexName, String sXsdElementName,
			String sXsdElementValue, String sLookupName ) throws ChartException
	{
		final IExtensionRegistry ier = Platform.getExtensionRegistry( );
		final IExtensionPoint iep = ier.getExtensionPoint( PLUGIN, sXsdListName );