Use the following to make the rest call from the command line:
curl -H "Accept: application/xml" -H "Content-Type: application/xml" -d @myfile.xml "http://halprdpolartu01.hq.halw.com:8080/hal-polar/rest/contact/v1.0.0"
curl -H "Accept: application/json" -H "Content-Type: application/xml" -d @myfile.xml "http://halprdpolartu01.hq.halw.com:8080/hal-polar/rest/contact/v1.0.0"