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This detects when a request is coming from a browser and returns HTML with syntax highlighted XML/JSON instead of just the raw text. In other words, if a user uses a browser to request "http://localhost:8080/openmrs/ws/fhir/Person/d9648997-4e01-406e-b47b-c00cb9b143bb" by typing this address into their URL bar, they will get nice formatted HTML back with a human readable version of the content. This is helpful for testers.
This can be used to generate a new log line (via SLF4j) for each incoming request.
Example log line:
2015-08-09 17:29:45 INFO accesslog:103 - Source[127.0.0.1] Operation[read Person/d9648997-4e01-406e-b47b-c00cb9b143bb] UA[Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.134 Safari/537.36] Params
The following substitution variables are supported: