# File lib/jabber4r/roster.rb, line 255
255:     def [](jid)
256:       if jid.kind_of? String
257:         jid = JID.new(jid) 
258:         jid.strip_resource
259:       elsif jid.kind_of? JID
260:         jid = JID.new(jid.node+"@"+jid.host)
261:       else
262:         return
263:       end
264:       return @map[jid.to_s]
265:     end