Officers contacted a suspect who was asleep on the floor on the concourse level. The male suspect became very agitated and spit numerous times on the floor. The officers attempted to detain the male who was not cooperative. At one point one officer place her hand on the suspect's chest as he tried to walk past her. The suspect violently hit her hand away. He was arrested for battery on a peace officer. He was booked at San Francisco County Jail for the battery, expectorating and two small warrants from another jurisdiction.