Examples with Interceptor okhttp3.Interceptor used on opensource projects

Example 51 with Interceptor

use of okhttp3.Interceptor in project okhttp by square.

the class InterceptorTest method networkInterceptorReturnsNull.

@Test
public void networkInterceptorReturnsNull() 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().addNetworkInterceptor(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 52 with Interceptor

use of okhttp3.Interceptor in project okhttp by square.

the class InterceptorTest method applicationInterceptorsCanMakeMultipleRequestsToServer.

@Test
public void applicationInterceptorsCanMakeMultipleRequestsToServer() throws Exception {
    server.enqueue(new MockResponse().setBody("a"));
    server.enqueue(new MockResponse().setBody("b"));
    client = client.newBuilder().addInterceptor(new Interceptor() {

        @Override
        public Response intercept(Chain chain) throws IOException {
            Response response1 = chain.proceed(chain.request());
            response1.body().close();
            return chain.proceed(chain.request());
        }
    }).build();
    Request request = new Request.Builder().url(server.url("/")).build();
    Response response = client.newCall(request).execute();
    assertEquals(response.body().string(), "b");
}

Example 53 with Interceptor

use of okhttp3.Interceptor in project okhttp by square.

the class InterceptorTest method interceptorThrowsRuntimeExceptionAsynchronous.

/**
   * When an interceptor throws an unexpected exception, asynchronous callers are left hanging. The
   * exception goes to the uncaught exception handler.
   */
private void interceptorThrowsRuntimeExceptionAsynchronous(boolean network) throws Exception {
    addInterceptor(network, new Interceptor() {

        @Override
        public Response intercept(Chain chain) throws IOException {
            throw new RuntimeException("boom!");
        }
    });
    ExceptionCatchingExecutor executor = new ExceptionCatchingExecutor();
    client = client.newBuilder().dispatcher(new Dispatcher(executor)).build();
    Request request = new Request.Builder().url(server.url("/")).build();
    client.newCall(request).enqueue(callback);
    assertEquals("boom!", executor.takeException().getMessage());
}

Example 54 with Interceptor

use of okhttp3.Interceptor in project okhttp by square.

the class InterceptorTest method networkInterceptorsCannotCallProceedMultipleTimes.

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

        @Override
        public Response intercept(Chain chain) throws IOException {
            chain.proceed(chain.request());
            return chain.proceed(chain.request());
        }
    };
    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 55 with Interceptor

use of okhttp3.Interceptor in project okhttp by square.

the class InterceptorTest method rewriteResponseFromServer.

private void rewriteResponseFromServer(boolean network) throws Exception {
    server.enqueue(new MockResponse().addHeader("Original-Header: foo").setBody("abc"));
    addInterceptor(network, new Interceptor() {

        @Override
        public Response intercept(Chain chain) throws IOException {
            Response originalResponse = chain.proceed(chain.request());
            return originalResponse.newBuilder().body(uppercase(originalResponse.body())).addHeader("OkHttp-Intercepted", "yep").build();
        }
    });
    Request request = new Request.Builder().url(server.url("/")).build();
    Response response = client.newCall(request).execute();
    assertEquals("ABC", response.body().string());
    assertEquals("yep", response.header("OkHttp-Intercepted"));
    assertEquals("foo", response.header("Original-Header"));
}