Examples with Callback okhttp3.Callback used on opensource projects

Example 16 with Callback

use of okhttp3.Callback in project retrofit by square.

the class RetrofitTest method callbackExecutorUsedForFailure.

@Test
public void callbackExecutorUsedForFailure() throws InterruptedException {
    Executor executor = spy(new Executor() {

        @Override
        public void execute(Runnable command) {
            command.run();
        }
    });
    Retrofit retrofit = new Retrofit.Builder().baseUrl(server.url("/")).callbackExecutor(executor).build();
    CallMethod service = retrofit.create(CallMethod.class);
    Call<ResponseBody> call = service.getResponseBody();
    server.enqueue(new MockResponse().setSocketPolicy(DISCONNECT_AT_START));
    final CountDownLatch latch = new CountDownLatch(1);
    call.enqueue(new Callback<ResponseBody>() {

        @Override
        public void onResponse(Call<ResponseBody> call, Response<ResponseBody> response) {
            throw new AssertionError();
        }

        @Override
        public void onFailure(Call<ResponseBody> call, Throwable t) {
            latch.countDown();
        }
    });
    assertTrue(latch.await(2, TimeUnit.SECONDS));
    verify(executor).execute(any(Runnable.class));
    verifyNoMoreInteractions(executor);
}

Example 17 with Callback

use of okhttp3.Callback in project retrofit by square.

the class Crawler method crawlPage.

public void crawlPage(HttpUrl url) {
    // Skip hosts that we've visited many times.
    AtomicInteger hostnameCount = new AtomicInteger();
    AtomicInteger previous = hostnames.putIfAbsent(url.host(), hostnameCount);
    if (previous != null)
        hostnameCount = previous;
    if (hostnameCount.incrementAndGet() > 100)
        return;
    // Asynchronously visit URL.
    pageService.get(url).enqueue(new Callback<Page>() {

        @Override
        public void onResponse(Call<Page> call, Response<Page> response) {
            if (!response.isSuccessful()) {
                System.out.println(call.request().url() + ": failed: " + response.code());
                return;
            }
            // Print this page's URL and title.
            Page page = response.body();
            HttpUrl base = response.raw().request().url();
            System.out.println(base + ": " + page.title);
            // Enqueue its links for visiting.
            for (String link : page.links) {
                HttpUrl linkUrl = base.resolve(link);
                if (linkUrl != null && !fetchedUrls.add(linkUrl)) {
                    crawlPage(linkUrl);
                }
            }
        }

        @Override
        public void onFailure(Call<Page> call, Throwable t) {
            System.out.println(call.request().url() + ": failed: " + t);
        }
    });
}

Example 18 with Callback

use of okhttp3.Callback in project okhttp by square.

the class CallTest method exceptionThrownByOnResponseIsRedactedAndLogged.

@Test
public void exceptionThrownByOnResponseIsRedactedAndLogged() throws Exception {
    server.enqueue(new MockResponse());
    Request request = new Request.Builder().url(server.url("/secret")).build();
    client.newCall(request).enqueue(new Callback() {

        @Override
        public void onFailure(Call call, IOException e) {
            fail();
        }

        @Override
        public void onResponse(Call call, Response response) throws IOException {
            throw new IOException("a");
        }
    });
    assertEquals("INFO: Callback failure for call to " + server.url("/") + "...", logHandler.take());
}

Example 19 with Callback

use of okhttp3.Callback in project okhttp by square.

the class CallTest method canceledAfterResponseIsDeliveredBreaksStreamButSignalsOnce.

/**
   * There's a race condition where the cancel may apply after the stream has already been
   * processed.
   */
@Test
public void canceledAfterResponseIsDeliveredBreaksStreamButSignalsOnce() throws Exception {
    server.enqueue(new MockResponse().setBody("A"));
    final CountDownLatch latch = new CountDownLatch(1);
    final AtomicReference<String> bodyRef = new AtomicReference<>();
    final AtomicBoolean failureRef = new AtomicBoolean();
    Request request = new Request.Builder().url(server.url("/a")).build();
    final Call call = client.newCall(request);
    call.enqueue(new Callback() {

        @Override
        public void onFailure(Call call, IOException e) {
            failureRef.set(true);
            latch.countDown();
        }

        @Override
        public void onResponse(Call call, Response response) throws IOException {
            call.cancel();
            try {
                bodyRef.set(response.body().string());
            } catch (IOException e) {
                // It is ok if this broke the stream.
                bodyRef.set("A");
                // We expect to not loop into onFailure in this case.
                throw e;
            } finally {
                latch.countDown();
            }
        }
    });
    latch.await();
    assertEquals("A", bodyRef.get());
    assertFalse(failureRef.get());
}

Example 20 with Callback

use of okhttp3.Callback in project okhttp by square.

the class CallTest method legalToExecuteTwiceCloning_Async.

@Test
public void legalToExecuteTwiceCloning_Async() throws Exception {
    server.enqueue(new MockResponse().setBody("abc"));
    server.enqueue(new MockResponse().setBody("def"));
    Request request = new Request.Builder().url(server.url("/")).build();
    Call call = client.newCall(request);
    call.enqueue(callback);
    Call cloned = call.clone();
    cloned.enqueue(callback);
    RecordedResponse firstResponse = callback.await(request.url()).assertSuccessful();
    RecordedResponse secondResponse = callback.await(request.url()).assertSuccessful();
    Set<String> bodies = new LinkedHashSet<>();
    bodies.add(firstResponse.getBody());
    bodies.add(secondResponse.getBody());
    assertTrue(bodies.contains("abc"));
    assertTrue(bodies.contains("def"));
}