Getting Access to HttpServletRequest object in restful web service

Question

I can get access to the HttpServlet Request object in a soap web service as follows: Declaring a private field for the WebServiceContext in the service implementation, and annotate it as a resource:

@Resource
private WebServiceContext context;

To get the HttpServletRequet object, I write the code as below:

MessageContext ctx = context.getMessageContext();
HttpServletRequest request =(HttpServletRequest)ctx.get(AbstractHTTPDestination.HTTP_REQUEST);

But these things are not working in a restful web service. I am using Apache CXF for developing restful web service. Please tell me how can I get access to HttpServletRequest Object.

kevinjansz · Accepted Answer · 2011-10-28 03:01:07Z

15

I'd recommend using org.apache.cxf.jaxrs.ext.MessageContext

import javax.ws.rs.core.Context;
import org.apache.cxf.jaxrs.ext.MessageContext;

...
// add the attribute to your implementation
@Context 
private MessageContext context;

...
// then you can access the request/response/session etc in your methods
HttpServletRequest req = context.getHttpServletRequest();
HttpServletResponse res = context.getHttpServletResponse()

You can use the @Context annotation to flag other types (such as ServletContext or the HttpServletRequest specifically). See Context Annotations.

answered Oct 28, 2011 at 3:01

kevinjansz

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2 Comments

kxsong Over a year ago

In the Jersey implementation, MessageContext does not work. But you can still use @Context HttpServletRequest.

Eric Green Over a year ago

I could not get your example to work. I was only able to get a reference to the HttpServletRequest by adding it as a method parameter decorated with the @Context annotation as shown below.

M2E67 · Accepted Answer · 2017-11-25 06:03:46Z

4

use this code for access request and response for each request:

@Path("/User")
public class RestClass{

    @GET
    @Path("/getUserInfo")
    @Produces(MediaType.APPLICATION_JSON)
    public Response getUserrDetails(@Context HttpServletRequest request,
            @Context HttpServletResponse response) {
        String username = request.getParameter("txt_username");
        String password = request.getParameter("txt_password");
        System.out.println(username);
        System.out.println(password);

        User user = new User(username, password);

        return Response.ok().status(200).entity(user).build();
    }
... 
}

answered Nov 25, 2017 at 6:03

M2E67

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