I can’t find this in the doc’s anywhere, but I believe you can use null to get an empty body: final MyClass result = ClientBuilder.newClient() .target(“http://localhost:8080”) .path(“path”) .queryParam(“key”, “value”) .request(APPLICATION_JSON) .post(Entity.json(null), MyClass.class)
You can get your service response as Response class object and, then parse this object using readEntity(…) method. Here is a quick code snippet: List<String> list = client .target(url) .request(MediaType.APPLICATION_JSON) .get(Response.class) .readEntity(new GenericType<List<String>>() {}); /* Do something with the list object */
Yes, the Jersey 2.1 client is thread safe and it should be thread safe even in the future Jersey version. You can create many WebTarget from one Client instance and invoke many requests on these WebTargets and even more requests on one WebTarget instance in the same time. The thread safety can be broken if … Read more
These two things probably should not be compared directly. Jersey is a REST-client, featuring full JAX-RS implementation, neat fluent API and a powerfull filter stack. Apache Http Client is a HTTP-client, perfect in managing low-level details like timeouts, complex proxy routes and connection polling. They act on a different levels of your protocol stack. When … Read more