RESTful Java Web Services - Third Edition

Marshaling Java objects to the CSV representation with MessageBodyWriter

The JAX-RS framework uses MessageBodyWriter to serialize the Java representation of resources returned by the REST web API into an appropriate format, which is sent back to the client. The JAX-RS runtime natively supports the serialization of the commonly used Java types, such as java.lang.String, java.io.InputStream, and Java custom objects annotated with JAXB binding annotations. You can provide your own implementation of MessageBodyWriter if you find that the default implementation provided by JAX-RS is not meeting your use case requirements.

A javax.ws.rs.ext.MessageBodyWriter<T> provider should implement the following methods:

• isWriteable(): This method checks ...