protected void METHOD_1 ( java.util.ArrayList < TYPE_1 > VAR_1 ) { if ( VAR_1 != null ) listener . METHOD_2 ( VAR_1 ) ; } 

protected void METHOD_1 ( java.util.ArrayList < TYPE_1 > VAR_1 ) { if ( VAR_1 != null ) { if ( ( listener ) != null ) { listener . METHOD_2 ( VAR_1 ) ; listener = null ; } } } 
