get images from webservice

i am getting images from webservices for particular product. in the detail view there are 1 or less than 4 images of products.. it's variant. the images url like

http:/xxxxx.xxxxxxx.xxxx/images/3fbc/prodotti/big/576_1.jpg http:/xxxxx.xxxxxxx.xxxx/images/3fbc/prodotti/big/576_2.jpg http:/xxxxx.xxxxxxx.xxxx/images/3fbc/prodotti/big/576_3.jpg http:/xxxxx.xxxxxxx.xxxx/images/3fbc/prodotti/big/576_4.jpg

576 is a product id. how can i check that the pr开发者_JAVA技巧oduct have number of images.

Reiterating and checking to see if you get 404's... or have the webservice report this to you somehow.