Currently im developing a REST API using RestEasy and Jetty. One of my plan with this REST API is to create a hook plugin to do anything needed with the incoming request utilizing JAX-RS ContainerRequestFilter . The thing with ContainerRequestPlugin in Jetty here is that once I called requestContext.getEntityStream(); in the Filter then the request wont be able to be read again by my EndPoint Class even if I have set the Entity Stream again.
Following are my Filter code
@Provider
@Priority(2000)
public class DummyRequestFilter implements ContainerRequestFilter{
static Logger log = Logger.getLogger(DummyRequestFilter .class.getName());
@Context
private HttpServletRequest servletRequest;
@Override
public void filter(ContainerRequestContext requestContext) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
String requestBody = "";
try {
IOUtils.copy(requestContext.getEntityStream(), baos);
InputStream is1 = new ByteArrayInputStream(baos.toByteArray());
InputStream is2 = new ByteArrayInputStream(baos.toByteArray());
requestBody = IOUtils.toString(is1);
log.info(requestBody);
requestContext.setEntityStream(is2);
}catch (Exception e) {
log.log(Level.SEVERE,"Exception Occurred",e);
}
}
}
Then here is my endpoint class
@Path("/")
public class DummyService {
Logger log = Logger.getLogger(DummyService .class.getName());
@GET
@Path("test")
@Produces(MediaType.APPLICATION_JSON)
public Response test(@FormParam("name") String name) {
log.info("Name = "+name);
return Response.status(200).build();
}
}
Whenever I called this test method I can see the name sent in Filter class but in the Endpoint class name is null.
Later then I figured out that the getEntityStream returned from requestContext is Jetty custom ServletInputStream that is org.eclipse.jetty.server.HttpInput. I believe the request cannot be read in EndPoint since I set the Entity Stream using ByteArrayInputStream.
So my question will be, is there any way to build/convert Jetty HttpInput using generic InputStream implementation? or is there any other way to work around this case? where I can read Jetty HttpInput many times?
Thanks & Regards
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