This rampant clumsiness is fairly typical for IBM code samples--doing things manually that should use a popular library, or choosing obscure or IBM-invented lib

This rampant clumsiness is fairly typical for IBM code samples--doing things manually that should use a popular library, or choosing obscure or IBM-invented libraries for common things. For example, the Java example should really use Jetty or CXF for JAX-RS rather than mucking about with HTTP client calls directly...