Brief Intro To Jax Rs

A Brief Introduction to JAX-RS Marc Hadley Sun Microsystems

HEAD /JAX-RS Java API for RESTful Web Services ● Annotation-based server-side API ● HTTP centric ● Server-side only ● Servlet or SE deployment ●

GET /JAX-RS/Examples/Resource @Path(quot;widgets/{id}quot;) @Produces(quot;application/widgets+xmlquot;) @Consumes(quot;application/widgets+xmlquot;) public class WidgetResource { private Widget w; public WidgetResource(@PathParam(quot;idquot;) String id) { this.w = locateRecord(id); } @GET Widget getWidget() { return w; } @PUT Widget updateWidget(Widget update) { w = processUpdate(update); return w; } }

GET /JAX-RS/Examples/Writer @Provider @Produces(quot;application/widgets+xmlquot;) public class WidgetWriter implements MessageBodyWriter<Widget> { public boolean isWriteable(...) {...} public long getSize(...) {...} public void writeTo(...) {...} }

GET /JAX-RS/Status 1.0 finalized end of September 2008 ● Online spec and API: ● https://jsr311.dev.java.net/nonav/releases/1.0/spec/index.html – https://jsr311.dev.java.net/nonav/releases/1.0/index.html – 1.1 maintenance release in progress focussing ● on integration with new Java EE 6 features Five open-source implementations already ● Jersey, JBoss RESTEasy, Restlet, Apache CXF, ● Triaxrs

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Brief Intro To Jax Rs

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