Was justice served? I think not!!!?

My ex-girlfriend of whom I lived with for about 3 years filed a restraining order against me claiming I pushed her and drug her around the carpet, leaving rug burns on her back. This never happened, but a judge approved this injunction despite no evidence to prove otherwise. Not long after that, my ex had been contacting me via telephone and third party, which is not allowed under the scopeof the injuction. Shortly therafter I was arrested at my city job on charges of Burglery of a dwelling(my old apartment where my ex now lived) and aggrivated stalking. I did none of these things. My attorney thought it be best to plead "no contest" given the fact that she may put on an act on the stand and that she had also furnished false witnessess in reguards to the Burglery. As a result, I was sentenced to 1 year in county jail followed by 2 years community control, followed by 8 years probation. I have never been in trouble with the law and am an Army vet. I fought for this country and for what?