java - Slick2D TiLED Collision Detection with Tiles -

i have piece of code:

for(int i=0; i<map.map.getobjectcount(1); i++){     if(cons.player.intersects(map.map.gettile)) {     //do something..     } } 

what trying check if rectangle have player intersects tile in map property "blocked" "true". how woud can set boolean true? also, how stop player moving in direction if tiles wants move has blocked property? here movement code:

        // input     input = container.getinput();     //     if (input.iskeydown(input.key_w) || input.iskeydown(input.key_up)) {         if (input.iskeydown(input.key_lshift)) {             shifty += delta * cons.p_sprint_speed;         } else {             shifty += delta * cons.p_speed;         }         cons.p_direction = "up";      }     // down     if (input.iskeydown(input.key_s) || input.iskeydown(input.key_down)) {         if (input.iskeydown(input.key_lshift)) {             shifty -= delta * cons.p_sprint_speed;         } else {             shifty -= delta * cons.p_speed;         }         cons.p_direction = "down";      }      // left     if (input.iskeydown(input.key_a) || input.iskeydown(input.key_left)) {         if (input.iskeydown(input.key_lshift)) {             shiftx += delta * cons.p_sprint_speed;         } else {             shiftx += delta * cons.p_speed;         }         cons.p_direction = "left";     }      // right     if (input.iskeydown(input.key_d) || input.iskeydown(input.key_right)) {         if (input.iskeydown(input.key_lshift)) {             shiftx -= delta * cons.p_sprint_speed;         } else {             shiftx -= delta * cons.p_speed;         }         cons.p_direction = "right";     } 

thanks