Example usage for com.squareup.okhttp Call cancel

Introduction

In this page you can find the example usage for com.squareup.okhttp Call cancel.

Prototype

public void cancel() 

Source Link

Document

Cancels the request, if possible.

Usage

From source file:co.paralleluniverse.fibers.okhttp.CallTest.java

License:Open Source License

@Test
public void canceledBeforeExecute() throws Exception {
    Call call = client.newCall(new Request.Builder().url(server.getUrl("/a")).build());
    call.cancel();

    try {//from w w  w.  j av a2 s  .  c  o m
        FiberOkHttpUtil.executeInFiber(call);
        fail();
    } catch (IOException expected) {
    }
    assertEquals(0, server.getRequestCount());
}

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From source file:co.paralleluniverse.fibers.okhttp.CallTest.java

License:Open Source License

@Test
public void cancelBeforeBodyIsRead() throws Exception {
    server.enqueue(new MockResponse().setBody("def").throttleBody(1, 750, TimeUnit.MILLISECONDS));

    final Call call = client.newCall(new Request.Builder().url(server.getUrl("/a")).build());
    ExecutorService executor = Executors.newSingleThreadExecutor();
    Future<Response> result = executor.submit(new Callable<Response>() {
        @Override//from  w  w w.j  av  a  2s  .  co  m
        public Response call() throws Exception {
            return FiberOkHttpUtil.executeInFiber(call);
        }
    });

    Thread.sleep(100); // wait for it to go in flight.

    call.cancel();
    try {
        result.get().body().bytes();
        fail();
    } catch (IOException expected) {
    }
    assertEquals(1, server.getRequestCount());
}

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From source file:co.paralleluniverse.fibers.okhttp.CallTest.java

License:Open Source License

@Test
public void canceledBeforeResponseReadSignalsOnFailure() throws Exception {
    Request requestA = new Request.Builder().url(server.getUrl("/a")).tag("request A").build();
    final Call call = client.newCall(requestA);
    server.get().setDispatcher(new Dispatcher() {
        @Override/*from   w  w  w  .j a v  a  2 s .c om*/
        public MockResponse dispatch(RecordedRequest request) {
            call.cancel();
            return new MockResponse().setBody("A");
        }
    });

    call.enqueue(callback);
    assertEquals("/a", server.takeRequest().getPath());

    callback.await(requestA.url()).assertFailure("Canceled", "stream was reset: CANCEL", "Socket closed");
}

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From source file:co.paralleluniverse.fibers.okhttp.CallTest.java

License:Open Source License

/**
 * There's a race condition where the cancel may apply after the stream has already been
 * processed./*from   w  ww.j  av a  2 s.c o m*/
 */
@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.getUrl("/a")).tag("request A").build();
    final Call call = client.newCall(request);
    call.enqueue(new Callback() {
        @Override
        public void onFailure(Request request, IOException e) {
            failureRef.set(true);
            latch.countDown();
        }

        @Override
        public void onResponse(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");
                throw e; // We expect to not loop into onFailure in this case.
            } finally {
                latch.countDown();
            }
        }
    });

    latch.await();
    assertEquals("A", bodyRef.get());
    assertFalse(failureRef.get());
}

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From source file:co.paralleluniverse.fibers.okhttp.CallTest.java

License:Open Source License

@Test
public void cancelWithInterceptor() throws Exception {
    client.interceptors().add(new Interceptor() {
        @Override/*from w w  w  .java2  s  .c  om*/
        public Response intercept(Chain chain) throws IOException {
            chain.proceed(chain.request());
            throw new AssertionError(); // We expect an exception.
        }
    });

    Call call = client.newCall(new Request.Builder().url(server.getUrl("/a")).build());
    call.cancel();

    try {
        call.execute();
        fail();
    } catch (IOException expected) {
    }
    assertEquals(0, server.getRequestCount());
}

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From source file:com.anony.okhttp.sample.CancelCall.java

License:Apache License

public void run() throws Exception {
    Request request = new Request.Builder().url("http://httpbin.org/delay/2") // This URL is served with a 2 second delay.
            .build();//from  w  w w.ja  v  a 2 s  . c o  m

    final long startNanos = System.nanoTime();
    final Call call = client.newCall(request);

    // Schedule a job to cancel the call in 1 second.
    executor.schedule(new Runnable() {
        @Override
        public void run() {
            System.out.printf("%.2f Canceling call.%n", (System.nanoTime() - startNanos) / 1e9f);
            call.cancel();
            System.out.printf("%.2f Canceled call.%n", (System.nanoTime() - startNanos) / 1e9f);
        }
    }, 1, TimeUnit.SECONDS);

    try {
        System.out.printf("%.2f Executing call.%n", (System.nanoTime() - startNanos) / 1e9f);
        Response response = call.execute();
        System.out.printf("%.2f Call was expected to fail, but completed: %s%n",
                (System.nanoTime() - startNanos) / 1e9f, response);
    } catch (IOException e) {
        System.out.printf("%.2f Call failed as expected: %s%n", (System.nanoTime() - startNanos) / 1e9f, e);
    }
}

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From source file:com.facebook.imagepipeline.backends.okhttp.OkHttpNetworkFetcher.java

License:Open Source License

@Override
public void fetch(final OkHttpNetworkFetchState fetchState, final Callback callback) {
    fetchState.submitTime = SystemClock.elapsedRealtime();
    final Uri uri = fetchState.getUri();
    final Request request = new Request.Builder().cacheControl(new CacheControl.Builder().noStore().build())
            .url(uri.toString()).get().build();
    final Call call = mOkHttpClient.newCall(request);

    fetchState.getContext().addCallbacks(new BaseProducerContextCallbacks() {
        @Override/*from   w w w.j  a va2 s  . co m*/
        public void onCancellationRequested() {
            if (Looper.myLooper() != Looper.getMainLooper()) {
                call.cancel();
            } else {
                mCancellationExecutor.execute(new Runnable() {
                    @Override
                    public void run() {
                        call.cancel();
                    }
                });
            }
        }
    });

    call.enqueue(new com.squareup.okhttp.Callback() {
        @Override
        public void onResponse(Response response) {
            fetchState.responseTime = SystemClock.elapsedRealtime();
            final ResponseBody body = response.body();
            try {
                long contentLength = body.contentLength();
                if (contentLength < 0) {
                    contentLength = 0;
                }
                callback.onResponse(body.byteStream(), (int) contentLength);
            } catch (Exception e) {
                handleException(call, e, callback);
            } finally {
                try {
                    body.close();
                } catch (Exception e) {
                    FLog.w(TAG, "Exception when closing response body", e);
                }
            }
        }

        @Override
        public void onFailure(final Request request, final IOException e) {
            handleException(call, e, callback);
        }
    });
}

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From source file:com.facebook.imagepipeline.backends.okhttp.OkHttpNetworkFetchProducer.java

License:Open Source License

@Override
protected void fetchImage(final NfpRequestState requestState) {
    final Uri uri = requestState.getUri();
    final Request request = new Request.Builder().cacheControl(new CacheControl.Builder().noStore().build())
            .url(uri.toString()).get().build();
    final Call call = mOkHttpClient.newCall(request);

    if (mCancellable) {
        requestState.getContext().addCallbacks(new BaseProducerContextCallbacks() {
            @Override/*from ww w. ja v a 2 s.co m*/
            public void onCancellationRequested() {
                call.cancel();
            }
        });
    }

    call.enqueue(new Callback() {
        @Override
        public void onResponse(Response response) {
            final ResponseBody body = response.body();
            try {
                long contentLength = body.contentLength();
                if (contentLength < 0) {
                    contentLength = 0;
                }
                processResult(requestState, body.byteStream(), (int) contentLength, false);
            } catch (IOException ioe) {
                handleException(call, requestState, ioe);
            } finally {
                try {
                    body.close();
                } catch (IOException ioe) {
                    FLog.w(TAG, "Exception when closing response body", ioe);
                }
            }
        }

        @Override
        public void onFailure(final Request request, final IOException e) {
            handleException(call, requestState, e);
        }
    });
}

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From source file:com.kubeiwu.easyandroid.easyhttp.core.retrofit.KOkHttpCall.java

License:Apache License

private void exeRequest(final Callback<T> callback, final Request request, final boolean loadnetElseCache) {
    com.squareup.okhttp.Call rawCall;
    try {//  ww w.ja v a  2s. c  o m
        rawCall = client.newCall(request);
    } catch (Throwable t) {
        callback.onFailure(t);
        return;
    }
    if (canceled) {
        rawCall.cancel();
    }
    this.rawCall = rawCall;
    callback.onstart();
    rawCall.enqueue(new com.squareup.okhttp.Callback() {
        private void callFailure(Throwable e) {
            try {
                callback.onFailure(e);
            } catch (Throwable t) {
                t.printStackTrace();
            }
        }

        private void callSuccess(Response<T> response) {
            try {
                callback.onResponse(response);
            } catch (Throwable t) {
                t.printStackTrace();
            }
        }

        @Override
        public void onFailure(Request request, IOException e) {
            if (canceled) {
                return;
            }
            callFailure(e);
        }

        @Override
        public void onResponse(com.squareup.okhttp.Response rawResponse) {
            if (canceled) {
                return;
            }
            Response<T> response;
            try {
                response = parseResponse(rawResponse, request);
            } catch (Throwable e) {
                if (loadnetElseCache) {
                    cacheExecutor.execute(new CallbackRunnable<T>(callback, cacheCallbackExecutor) {
                        @Override
                        public Response<T> obtainResponse() {
                            return execCacheRequest(request);
                        }
                    });
                    return;
                }
                callFailure(e);
                return;
            }
            callSuccess(response);
        }
    });
}

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From source file:com.kubeiwu.easyandroid.easyhttp.core.retrofit.KOkHttpCall.java

License:Apache License

public Response<T> execute() throws IOException {
    synchronized (this) {
        if (executed)
            throw new IllegalStateException("Already executed");
        executed = true;//from  w ww.  j  a  va  2 s  . c o  m
    }
    final Request request = createRequest();

    com.squareup.okhttp.Call rawCall = client.newCall(request);
    if (canceled) {
        rawCall.cancel();
    }
    this.rawCall = rawCall;

    // ----------------------------------------------------------------------cgp
    String cacheMode = getCacheMode(request);
    if (!TextUtils.isEmpty(cacheMode)) {
        cacheMode = cacheMode.trim().toLowerCase(Locale.CHINA);
        switch (cacheMode) {
        case CacheMode.LOAD_NETWORK_ELSE_CACHE:// ??
            Response<T> response;
            try {
                response = parseResponse(rawCall.execute(), request);
            } catch (Exception e) {
                response = execCacheRequest(request);
            }
            return response;
        case CacheMode.LOAD_CACHE_ELSE_NETWORK:// ?
            // ---------------------?
            response = execCacheRequest(request);
            if (response != null) {
                return response;
            }
            // ---------------------?
            // 
        case CacheMode.LOAD_DEFAULT:
        case CacheMode.LOAD_NETWORK_ONLY:
        default:
            break;// 
        }
    }
    // ----------------------------------------------------------------------cgp

    return parseResponse(rawCall.execute(), request);
}

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