[jboss-user] [jboss portal] getting full url from portlet

I write a portlet but when I want to get query string I must give huge query string too for example I want to take "kat"'s query strings value I must put the other query string http://localhost:8080/portal/portal/default/default/HelloWorldPortletWind... <http://localhost:8080/portal/portal/default/default/HelloWorldPortletWind... how I can take all the link ? If I take the full url I can parse it Murat ÇOLAK Bilgi Tek. Direktörlügü TÜRKSAT Uydu Haberlesme Kablo TV ve Isletme A.S. Konya Yolu 40. Km. Golbasi / ANKARA - TÜRKIYE Tel : +90 312 615 32 64 Faks : +90 312 499 51 15