<dependency>
  <groupId>org.apache.cxf</groupId>
  <artifactId>cxf-rt-rs-client</artifactId>
  <version>3.0.0-milestone1</version>
</dependency>

<dependency>
  <groupId>org.apache.cxf</groupId>
  <artifactId>cxf-rt-transports-http-hc</artifactId>
  <!-- 2.7.8 or 3.0.0-milestone1 --> 
  <version>${cxf.version}</version>
</dependency>

Client client = ClientBuilder.newBuilder().newClient();
WebTarget target = client.target("http://localhost:8080/rs");
target = target.path("service").queryParam("a", "avalue");

Invocation.Builder builder = target.request();
Response response = builder.get();
Book book = builder.get(Book.class);

@Path("/bookstore")
public interface BookStore {
   @GET
   Books getAllBooks();
   
   @Path("{id}")
   BookResource getBookSubresource(@PathParam("id") long id) throws NoBookFoundException;
}

public class BookStoreImpl implements BookStore {
   public Books getAllBooks() {}
   
   public Book getBookSubresource(long id) throws NoBookFoundException {}
}

public interface BookResource {
   @GET
   Book getBook();
}

public class BookResourceImpl implements BookResource {
   Book getBook() {}
}

BookStore store = JAXRSClientFactory.create("http://bookstore.com", BookStore.class);
// (1) remote GET call to http://bookstore.com/bookstore
Books books = store.getAllBooks();
// (2) no remote call
BookResource subresource = store.getBookSubresource(1);
// {3} remote GET call to http://bookstore.com/bookstore/1
Book b = subresource.getBook();

BookStore proxy = JAXRSClientFactory.create("http://books", BookStore.class);
WebClient.client(proxy).accept("text/xml");
// continue using the proxy    

BookStore proxy = JAXRSClientFactory.create("http://books", BookStore.class);
Client client = WebClient.client(proxy);
WebClient httpClient = WebClient.fromClient(client);
// continue using the http client    

BookStore proxy1 = JAXRSClientFactory.create("http://books", BookStore.class);
Client client = WebClient.client(proxy1);
BookStore proxy2 = JAXRSClientFactory.fromClient(client, BookStore.class);

BookStore proxy = JAXRSClientFactory.create("http://books", BookStore.class);
try {
    proxy.getBook();
} catch(WebApplicationException ex) {
  Response r = ex.getResponse();
  String message = ex.getMessage();
}

SpringBusFactory bf = new SpringBusFactory();
Bus bus = bf.createBus("org/apache/cxf/systest/jaxrs/security/jaxrs-https.xml");
BusFactory.setDefaultBus(bus);
// BookStore proxy will get the configuration from Spring
BookStore proxy = JAXRSClientFactory.create("http://books", BookStore.class);

  <jaxrs:client id="restClient"
         address="http://localhost:${testutil.ports.BookServerRestSoap}/test/services/rest"
         serviceClass="org.apache.cxf.systest.jaxrs.BookStoreJaxrsJaxws"
         inheritHeaders="true">
         <jaxrs:headers>
             <entry key="Accept" value="text/xml"/>
         </jaxrs:headers>
  </jaxrs:client>  

ResponseReader reader = new ResponseReader();
reader.setEntityClass(Book.class);
        
BookStore bs = JAXRSClientFactory.create("http://localhost:8080/books", BookStore.class,
                                         Collections.singletonList(reader));
Response r1 = bs.getBook("123");
Book book = (Book)r1.getEntity();

reader.setEntityClass(Author.class);
Response r2 = bs.getBookAuthor("123");
Author book = (Author)r2.getEntity();

JAXRSClientFactory.createFromModel("http://books", BookNoAnnotations.class, "classpath:/resources/model.xml", null);

WebClient client = WebClient.create("http://books");
Book book = client.path("bookstore/books").accept("text/xml").get(Book.class);

WebClient client = WebClient.create("http://books");
client.path("bookstore/books");
client.type("text/xml").accept("text/xml")
Response r = client.post(new Book());
Book b = r.readEntity(Book.class);

WebClient client = WebClient.create("http://books");
List<Book> books = getBooks(client, 1L, 2L, 3L)

private List<Book> getBooks(WebClient client, Long ...ids) {
   List<Book> books = new ArrayList<Book>(); 
   for (Long id : ids) {
       books.add(client.path(id).get(Book.class));
       client.back(); 
   } 
   return books;
}

Book book = WebClient.create("http://books").path("{year}/{id}", 2010, 123).get(Book.class);
// as opposed to
// WebClient.create("http://books").path(2010).path(123).get(Book.class);

Collection<? extends Book> books = WebClient.getCollection(Book.class);
Collection<? extends Book> books = WebClient.postAndGetCollection(new ArrayList<Book>(), Book.class);

<bean id="myJsonProvider" 
class="org.apache.cxf.jaxrs.provider.JSONProvider" > 
        <property name="supportUnwrapped" value="true" /> 
        <property name="wrapperName" value="nodeName" /> 
    </bean> 

<util:list id="webClientProviders"> 
    <ref bean="myJsonProvider"/> 
</util:list> 

<bean id="myWebClient" class="org.apache.cxf.jaxrs.client.WebClient" 
factory-method="create"> 
        <constructor-arg type="java.lang.String" 
value="http://some.base.url.that.responds/" /> 
        <constructor-arg ref="webClientProviders" /> 
</bean> 

<jaxrs:client id="webClient"
         address="https://localhost:${port}/services/rest"
         serviceClass="org.apache.cxf.jaxrs.client.WebClient">
         <jaxrs:headers>
             <entry key="Accept" value="text/xml"/>
         </jaxrs:headers>
  </jaxrs:client>

WebClient wc = WebClient.create("http://aggregated/data");
XMLSource source = wc.get(XMLSource.class);
source.setBuffering(true);
Book b1 = source.getNode("/books/book[position() = 1]", Book.class);
Book b2 = source.getNode("/books/book[position() = 2]", Book.class);

// get some response headers passed to us 'out of band', which is not thread-safe for a plain proxy: 
String bookHeader = WebClient.toClient(injectedBookStoreProxy).getHeaders().getFirst("BookHeader"); 

try { 
   webClient.path("bar") 
   webClient.header("bar", baz); 
   webClient.invoke(...); 
} finally { 
   // if using a proxy: WebClient.client(proxy).reset(); 
   webClient.reset(); 
} 

Book proxy = JAXRSClientFactory.create("http://books", Book.class);
ClientConfiguration config = WebClient.getConfig(proxy);
HTTPConduit conduit1 = (HTTPConduit)config.getConduit();

WebClient webclient = WebClient.create("http://books");
HTTPConduit conduit2 = (HTTPConduit)WebClient.getConfig(webclient).getConduit();

JAXRSClientFactoryBean sf = new JAXRSClientFactoryBean();
sf.setResourceClass(CustomerService.class);
sf.setAddress("http://localhost:9000/");
BindingFactoryManager manager = sf.getBus().getExtension(BindingFactoryManager.class);
JAXRSBindingFactory factory = new JAXRSBindingFactory();
factory.setBus(sf.getBus());
manager.registerBindingFactory(JAXRSBindingFactory.JAXRS_BINDING_ID, factory);
CustomerService service = sf.create(CustomerService.class);
WebClient wc = sf.createWebClient();

<http:conduit name="http://books:9095/bookstore.*"/> 

<http:conduit name="*.http-conduit"/> 

<http:conduit name="{http://foo.bar}BookService.http-conduit"/> 

<http:conduit name="{http://localhost:8080}WebClient.http-conduit"/> 

// Replace 'user' and 'password' by the actual values
String authorizationHeader = "Basic " 
    + org.apache.cxf.common.util.Base64Utility.encode("user:password".getBytes());

// proxies
WebClient.client(proxy).header("Authorization", authorizationHeader);

// web clients
webClient.header("Authorization", authorizationHeader);

BookStore proxy = JAXRSClientFactory.create("http://books", BookStore.class, "username", "password", "classpath:/config/https.xml");

WebClient client = WebClient.create("http://books", "username", "password", "classpath:/config/https.xml");