Powering a Philips Hue Bridge with PoE

I’m amazed the Philips Hue Bridge can’t be powered by PoE right out the box. Considering it requires an Ethernet connection you would think Philips would have allowed the Bridge, that only needs 5v DC and draws 1 Amp, to power itself from a PoE Ethernet port. Instead you need to find yet another power outlet. But for under £20 it is possible to free up a power outlet and