Examples of javax.ws.rs.client.Client

javax.ws.rs.client.Client
Client is the main entry point to the fluent API used to build and execute client requests in order to consume responses returned.
Clients are heavy-weight objects that manage the client-side communication infrastructure. Initialization as well as disposal of a {@code Client} instancemay be a rather expensive operation. It is therefore advised to construct only a small number of {@code Client} instances in the application. Client instancesmust be {@link #close() properly closed} before being disposed to avoid leakingresources. @author Marek Potociar @see javax.ws.rs.core.Configurable @since 2.0

        }
        if (clientDisable != null) {
            config.property(ClientProperties.JSON_PROCESSING_FEATURE_DISABLE, clientDisable);
        }


        final Client client = ClientBuilder.newClient(config);
        final Invocation.Builder request = client.target("").request();


        assertEquals(response, request.get().readEntity(String.class));
    }

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    public void testAsyncClientRequests() throws InterruptedException {
        HttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager();
        ClientConfig cc = new ClientConfig();
        cc.property(ApacheClientProperties.CONNECTION_MANAGER, connectionManager);
        cc.connectorProvider(new ApacheConnectorProvider());
        Client client = ClientBuilder.newClient(cc);
        WebTarget target = client.target(getBaseUri());
        final int REQUESTS = 20;
        final CountDownLatch latch = new CountDownLatch(REQUESTS);
        final long tic = System.currentTimeMillis();
        final Map<Integer, String> results = new ConcurrentHashMap<Integer, String>();
        for (int i = 0; i < REQUESTS; i++) {

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        response.close();
    }


    @Test
    public void testLoggingFilterClientClass() {
        Client client = client();
        client.register(CustomLoggingFilter.class).property("foo", "bar");
        CustomLoggingFilter.preFilterCalled = CustomLoggingFilter.postFilterCalled = 0;
        String s = target().path(ROOT_PATH).request().get(String.class);
        assertEquals(HelloWorldResource.CLICHED_MESSAGE, s);
        assertEquals(1, CustomLoggingFilter.preFilterCalled);
        assertEquals(1, CustomLoggingFilter.postFilterCalled);

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        assertEquals(1, CustomLoggingFilter.postFilterCalled);
    }


    @Test
    public void testLoggingFilterClientInstance() {
        Client client = client();
        client.register(new CustomLoggingFilter()).property("foo", "bar");
        CustomLoggingFilter.preFilterCalled = CustomLoggingFilter.postFilterCalled = 0;
        String s = target().path(ROOT_PATH).request().get(String.class);
        assertEquals(HelloWorldResource.CLICHED_MESSAGE, s);
        assertEquals(1, CustomLoggingFilter.preFilterCalled);
        assertEquals(1, CustomLoggingFilter.postFilterCalled);

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        assertEquals(1, CustomLoggingFilter.postFilterCalled);
    }


    @Test
    public void testConfigurationUpdate() {
        Client client1 = client();
        client1.register(CustomLoggingFilter.class).property("foo", "bar");


        Client client = ClientBuilder.newClient(client1.getConfiguration());
        CustomLoggingFilter.preFilterCalled = CustomLoggingFilter.postFilterCalled = 0;
        String s = client.target(getBaseUri()).path(ROOT_PATH).request().get(String.class);
        assertEquals(HelloWorldResource.CLICHED_MESSAGE, s);
        assertEquals(1, CustomLoggingFilter.preFilterCalled);
        assertEquals(1, CustomLoggingFilter.postFilterCalled);
    }

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                        cm.shutdown();
                    }
                });
        config.connectorProvider(new ApacheConnectorProvider());


        final Client client = ClientBuilder.newClient(config);
        final WebTarget rootTarget = client.target(getBaseUri()).path(ROOT_PATH);


        // Test that connection is getting closed properly for error responses.
        try {
            final String response = rootTarget.path("error").request().get(String.class);
            fail("Exception expected. Received: " + response);

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    /**
     * Verifier of JERSEY-2424 fix.
     */
    @Test
    public void testHttpClientInstanceAccess() {
        final Client client = ClientBuilder.newClient(new ClientConfig().connectorProvider(new JettyConnectorProvider()));
        final HttpClient hcOnClient = JettyConnectorProvider.getHttpClient(client);
        // important: the web target instance in this test must be only created AFTER the client has been pre-initialized
        // (see org.glassfish.jersey.client.Initializable.preInitialize method). This is here achieved by calling the
        // connector provider's static getHttpClient method above.
        final WebTarget target = client.target("http://localhost/");
        final HttpClient hcOnTarget = JettyConnectorProvider.getHttpClient(target);


        assertNotNull("HTTP client instance set on JerseyClient should not be null.", hcOnClient);
        assertNotNull("HTTP client instance set on JerseyWebTarget should not be null.", hcOnTarget);
        assertSame("HTTP client instance set on JerseyClient should be the same instance as the one set on JerseyWebTarget" +

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    @Test
    public void testCookieResource() {
        ClientConfig config = new ClientConfig();
        config.connectorProvider(new JettyConnectorProvider());
        Client client = ClientBuilder.newClient(config);
        WebTarget r = client.target(getBaseUri());




        assertEquals("NO-COOKIE", r.request().get(String.class));
        assertEquals("value", r.request().get(String.class));
        client.close();
    }

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    @Test
    public void testDoFollow() {
        final URI u = target().getUri();
        ClientConfig config = new ClientConfig().property(ClientProperties.FOLLOW_REDIRECTS, true);
        config.connectorProvider(new JettyConnectorProvider());
        Client c = ClientBuilder.newClient(config);
        WebTarget t = c.target(u);
        Response r = t.path("test/redirect")
                .register(RedirectTestFilter.class)
                .request().get();
        assertEquals(200, r.getStatus());
        assertEquals("GET", r.readEntity(String.class));
// TODO uncomment as part of JERSEY-2388 fix.
//        assertEquals(
//                UriBuilder.fromUri(getBaseUri()).path(RedirectResource.class).build().toString(),
//                r.getHeaderString(RedirectTestFilter.RESOLVED_URI_HEADER));


        c.close();
    }

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    @Test
    public void testDontFollowPerRequestOverride() {
        final URI u = target().getUri();
        ClientConfig config = new ClientConfig().property(ClientProperties.FOLLOW_REDIRECTS, true);
        config.connectorProvider(new JettyConnectorProvider());
        Client client = ClientBuilder.newClient(config);
        WebTarget t = client.target(u);
        t.property(ClientProperties.FOLLOW_REDIRECTS, false);
        Response r = t.path("test/redirect").request().get();
        assertEquals(303, r.getStatus());
        client.close();
    }

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