this.bean = ( ViewerAttributeBean ) request.getAttribute( "attributeBean" );
this.bean = (ViewerAttributeBean) request .getAttribute( IBirtConstants.ATTRIBUTE_BEAN );
	protected void __init( )	{		this.bean = ( ViewerAttributeBean ) request.getAttribute( "attributeBean" ); //$NON-NLS-1$		if ( bean == null )		{			bean = new ViewerAttributeBean( request );		}		request.setAttribute( "attributeBean", bean ); //$NON-NLS-1$	}