search given resourc regist extens regist locat url return param resourc base resourc search param loader loader us url repres locat resourc regist locat java net url lookup icon url resourc loader loader java net url img url iter extens resourc extens iter extens tmp ext extens iter locat resourc locat iter locat imag locat resourc tmp ext println resourc loader load imag loader img url resourc loader resourc imag img url loader resourc imag img url img url img url 