question: public boolean implies ( Permission permission ) { if ( ! ( permission instanceof BasicPermission ) ) return false ; BasicPermission bp = ( BasicPermission ) permission ; if ( bp . getClass ( ) != permClass ) return false ; if ( all_allowed ) return true ; String path = bp . getCanonicalName ( ) ; Permission x ; synchronized ( this ) { x = perms . get ( path ) ; } if ( x != null ) { return x . implies ( permission ) ; } int last , offset ; offset = path . length ( ) - 1 ; while ( ( last = path . lastIndexOf ( "." , offset ) ) != - 1 ) { path = path . substring ( 0 , last + 1 ) + "*" ; synchronized ( this ) { x = perms . get ( path ) ; } if ( x != null ) { return x . implies ( permission ) ; } offset = last - 1 ; } return false ; }
target:  Check and see if this set of permissions implies the permissions expressed in "permission".