Previous sections have introduced the use of @Context. The JAX-RS specification presents all the standard JAX-RS Java types that may be used with @Context.
When deploying a JAX-RS application using servlet then ServletConfig, ServletContext, HttpServletRequest and HttpServletResponse are available using @Context.
Jersey(1.19.1) - Use of @Context
原文：http://www.cnblogs.com/huey/p/5399840.html