Examples with Interceptor okhttp3.Interceptor used on opensource projects

Example 6 with Interceptor

use of okhttp3.Interceptor in project okhttp by square.

the class InterceptorTest method asyncInterceptors.

private void asyncInterceptors(boolean network) throws Exception {
    server.enqueue(new MockResponse());
    addInterceptor(network, new Interceptor() {

        @Override
        public Response intercept(Chain chain) throws IOException {
            Response originalResponse = chain.proceed(chain.request());
            return originalResponse.newBuilder().addHeader("OkHttp-Intercepted", "yep").build();
        }
    });
    Request request = new Request.Builder().url(server.url("/")).build();
    client.newCall(request).enqueue(callback);
    callback.await(request.url()).assertCode(200).assertHeader("OkHttp-Intercepted", "yep");
}

Example 7 with Interceptor

use of okhttp3.Interceptor in project okhttp by square.

the class InterceptorTest method networkInterceptorsCannotShortCircuitResponses.

@Test
public void networkInterceptorsCannotShortCircuitResponses() throws Exception {
    server.enqueue(new MockResponse().setResponseCode(500));
    Interceptor interceptor = new Interceptor() {

        @Override
        public Response intercept(Chain chain) throws IOException {
            return new Response.Builder().request(chain.request()).protocol(Protocol.HTTP_1_1).code(200).message("Intercepted!").body(ResponseBody.create(MediaType.parse("text/plain; charset=utf-8"), "abc")).build();
        }
    };
    client = client.newBuilder().addNetworkInterceptor(interceptor).build();
    Request request = new Request.Builder().url(server.url("/")).build();
    try {
        client.newCall(request).execute();
        fail();
    } catch (IllegalStateException expected) {
        assertEquals("network interceptor " + interceptor + " must call proceed() exactly once", expected.getMessage());
    }
}

Example 8 with Interceptor

use of okhttp3.Interceptor in project okhttp by square.

the class InterceptorTest method multipleInterceptors.

private void multipleInterceptors(boolean network) throws Exception {
    server.enqueue(new MockResponse());
    addInterceptor(network, new Interceptor() {

        @Override
        public Response intercept(Chain chain) throws IOException {
            Request originalRequest = chain.request();
            Response originalResponse = chain.proceed(originalRequest.newBuilder().addHeader("Request-Interceptor", // 1. Added first.
            "Android").build());
            return originalResponse.newBuilder().addHeader("Response-Interceptor", // 4. Added last.
            "Donut").build();
        }
    });
    addInterceptor(network, new Interceptor() {

        @Override
        public Response intercept(Chain chain) throws IOException {
            Request originalRequest = chain.request();
            Response originalResponse = chain.proceed(originalRequest.newBuilder().addHeader("Request-Interceptor", // 2. Added second.
            "Bob").build());
            return originalResponse.newBuilder().addHeader("Response-Interceptor", // 3. Added third.
            "Cupcake").build();
        }
    });
    Request request = new Request.Builder().url(server.url("/")).build();
    Response response = client.newCall(request).execute();
    assertEquals(Arrays.asList("Cupcake", "Donut"), response.headers("Response-Interceptor"));
    RecordedRequest recordedRequest = server.takeRequest();
    assertEquals(Arrays.asList("Android", "Bob"), recordedRequest.getHeaders().values("Request-Interceptor"));
}

Example 9 with Interceptor

use of okhttp3.Interceptor in project okhttp by square.

the class InterceptorTest method applicationInterceptorReturnsNull.

@Test
public void applicationInterceptorReturnsNull() throws Exception {
    server.enqueue(new MockResponse());
    Interceptor interceptor = new Interceptor() {

        @Override
        public Response intercept(Chain chain) throws IOException {
            chain.proceed(chain.request());
            return null;
        }
    };
    client = client.newBuilder().addInterceptor(interceptor).build();
    ExceptionCatchingExecutor executor = new ExceptionCatchingExecutor();
    client = client.newBuilder().dispatcher(new Dispatcher(executor)).build();
    Request request = new Request.Builder().url(server.url("/")).build();
    try {
        client.newCall(request).execute();
        fail();
    } catch (NullPointerException expected) {
        assertEquals("interceptor " + interceptor + " returned null", expected.getMessage());
    }
}

Example 10 with Interceptor

use of okhttp3.Interceptor in project okhttp by square.

the class InterceptorTest method networkInterceptorsCannotChangeServerAddress.

@Test
public void networkInterceptorsCannotChangeServerAddress() throws Exception {
    server.enqueue(new MockResponse().setResponseCode(500));
    Interceptor interceptor = new Interceptor() {

        @Override
        public Response intercept(Chain chain) throws IOException {
            Address address = chain.connection().route().address();
            String sameHost = address.url().host();
            int differentPort = address.url().port() + 1;
            return chain.proceed(chain.request().newBuilder().url(HttpUrl.parse("http://" + sameHost + ":" + differentPort + "/")).build());
        }
    };
    client = client.newBuilder().addNetworkInterceptor(interceptor).build();
    Request request = new Request.Builder().url(server.url("/")).build();
    try {
        client.newCall(request).execute();
        fail();
    } catch (IllegalStateException expected) {
        assertEquals("network interceptor " + interceptor + " must retain the same host and port", expected.getMessage());
    }
}