  Simultaneous analyses are performed for cross section data of elastic
scattering, fusion, Coulomb breakup, and other direct yields for the
$^{6}$He+$^{209}$Bi system at near-Coulomb-barrier energies. The bare and
dynamical polarization potentials are constructed microscopically from the
structure of the colliding nuclei and they reproduce all the data well with
only one adjustable parameter. This method of calculation can be successfully
applied to the reactions of weakly-bound and exotic projectiles with heavy
targets.
