Example usage for com.squareup.okhttp Interceptor Interceptor

Introduction

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

Prototype

Interceptor

Source Link

Usage

From source file:co.paralleluniverse.fibers.okhttp.test.InterceptorTest.java

License:Apache License

private void multipleInterceptors(List<Interceptor> interceptors) throws Exception {
    server.enqueue(new MockResponse());

    interceptors.add(new Interceptor() {
        @Override/*from w w  w  . j  ava2s.c  o m*/
        public Response intercept(Chain chain) throws IOException {
            Request originalRequest = chain.request();
            Response originalResponse = chain
                    .proceed(originalRequest.newBuilder().addHeader("Request-Interceptor", "Android") // 1. Added first.
                            .build());
            return originalResponse.newBuilder().addHeader("Response-Interceptor", "Donut") // 4. Added last.
                    .build();
        }
    });
    interceptors.add(new Interceptor() {
        @Override
        public Response intercept(Chain chain) throws IOException {
            Request originalRequest = chain.request();
            Response originalResponse = chain
                    .proceed(originalRequest.newBuilder().addHeader("Request-Interceptor", "Bob") // 2. Added second.
                            .build());
            return originalResponse.newBuilder().addHeader("Response-Interceptor", "Cupcake") // 3. Added third.
                    .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"));
}

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From source file:co.paralleluniverse.fibers.okhttp.test.InterceptorTest.java

License:Apache License

private void asyncInterceptors(List<Interceptor> interceptors) throws Exception {
    server.enqueue(new MockResponse());

    interceptors.add(new Interceptor() {
        @Override//from  w  ww .java2s  . c  o m
        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.httpUrl()).assertCode(200).assertHeader("OkHttp-Intercepted", "yep");
}

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From source file:co.paralleluniverse.fibers.okhttp.test.InterceptorTest.java

License:Apache License

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

    client.interceptors().add(new Interceptor() {
        @Override//from  w  w  w . java2s.c o m
        public Response intercept(Chain chain) throws IOException {
            chain.proceed(chain.request());
            return chain.proceed(chain.request());
        }
    });

    Request request = new Request.Builder().url(server.url("/")).build();

    Response response = client.newCall(request).execute();
    assertEquals(response.body().string(), "b");
}

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From source file:co.paralleluniverse.fibers.okhttp.test.InterceptorTest.java

License:Apache License

/** Make sure interceptors can interact with the OkHttp client. */
@Test//from www .j a v a 2s.  c  o m
public void interceptorMakesAnUnrelatedRequest() throws Exception {
    server.enqueue(new MockResponse().setBody("a")); // Fetched by interceptor.
    server.enqueue(new MockResponse().setBody("b")); // Fetched directly.

    client.interceptors().add(new Interceptor() {
        @Override
        public Response intercept(Chain chain) throws IOException {
            if (chain.request().url().getPath().equals("/b")) {
                Request requestA = new Request.Builder().url(server.url("/a")).build();
                Response responseA = client.newCall(requestA).execute();
                assertEquals("a", responseA.body().string());
            }

            return chain.proceed(chain.request());
        }
    });

    Request requestB = new Request.Builder().url(server.url("/b")).build();
    Response responseB = client.newCall(requestB).execute();
    assertEquals("b", responseB.body().string());
}

---

From source file:co.paralleluniverse.fibers.okhttp.test.InterceptorTest.java

License:Apache License

/** Make sure interceptors can interact with the OkHttp client asynchronously. */
@Test//w w  w  . j a  v a  2 s  . c  o  m
public void interceptorMakesAnUnrelatedAsyncRequest() throws Exception {
    server.enqueue(new MockResponse().setBody("a")); // Fetched by interceptor.
    server.enqueue(new MockResponse().setBody("b")); // Fetched directly.

    client.interceptors().add(new Interceptor() {
        @Override
        public Response intercept(Chain chain) throws IOException {
            if (chain.request().url().getPath().equals("/b")) {
                Request requestA = new Request.Builder().url(server.url("/a")).build();

                try {
                    RecordingCallback callbackA = new RecordingCallback();
                    client.newCall(requestA).enqueue(callbackA);
                    callbackA.await(requestA.httpUrl()).assertBody("a");
                } catch (Exception e) {
                    throw new RuntimeException(e);
                }
            }

            return chain.proceed(chain.request());
        }
    });

    Request requestB = new Request.Builder().url(server.url("/b")).build();
    RecordingCallback callbackB = new RecordingCallback();
    client.newCall(requestB).enqueue(callbackB);
    callbackB.await(requestB.httpUrl()).assertBody("b");
}

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From source file:co.paralleluniverse.fibers.okhttp.test.InterceptorTest.java

License:Apache License

/**
 * When an interceptor throws an unexpected exception, synchronous callers can catch it and deal
 * with it./*  w w  w  . j av  a2s  . com*/
 *
 * TODO(jwilson): test that resources are not leaked when this happens.
 */
private void interceptorThrowsRuntimeExceptionSynchronous(List<Interceptor> interceptors) throws Exception {
    interceptors.add(new Interceptor() {
        @Override
        public Response intercept(Chain chain) throws IOException {
            throw new RuntimeException("boom!");
        }
    });

    Request request = new Request.Builder().url(server.url("/")).build();

    try {
        client.newCall(request).execute();
        fail();
    } catch (RuntimeException expected) {
        assertEquals("boom!", expected.getMessage());
    }
}

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From source file:co.paralleluniverse.fibers.okhttp.test.InterceptorTest.java

License:Apache License

@Test
public void networkInterceptorModifiedRequestIsReturned() throws IOException {
    server.enqueue(new MockResponse());

    Interceptor modifyHeaderInterceptor = new Interceptor() {
        @Override/*ww  w. jav  a2 s .com*/
        public Response intercept(Chain chain) throws IOException {
            return chain
                    .proceed(chain.request().newBuilder().header("User-Agent", "intercepted request").build());
        }
    };

    client.networkInterceptors().add(modifyHeaderInterceptor);

    Request request = new Request.Builder().url(server.url("/")).header("User-Agent", "user request").build();

    Response response = client.newCall(request).execute();
    assertNotNull(response.request().header("User-Agent"));
    assertEquals("user request", response.request().header("User-Agent"));
    assertEquals("intercepted request", response.networkResponse().request().header("User-Agent"));
}

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From source file:co.paralleluniverse.fibers.okhttp.test.InterceptorTest.java

License:Apache License

/**
 * When an interceptor throws an unexpected exception, asynchronous callers are left hanging. The
 * exception goes to the uncaught exception handler.
 *
 * TODO(jwilson): test that resources are not leaked when this happens.
 *///from ww w. j  av a2  s . c om
private void interceptorThrowsRuntimeExceptionAsynchronous(List<Interceptor> interceptors) throws Exception {
    interceptors.add(new Interceptor() {
        @Override
        public Response intercept(Chain chain) throws IOException {
            throw new RuntimeException("boom!");
        }
    });

    ExceptionCatchingExecutor executor = new ExceptionCatchingExecutor();
    client.setDispatcher(new Dispatcher(executor));

    Request request = new Request.Builder().url(server.url("/")).build();
    client.newCall(request).enqueue(callback);

    assertEquals("boom!", executor.takeException().getMessage());
}

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From source file:co.paralleluniverse.fibers.okhttp.test.InterceptorTest.java

License:Apache License

@Ignore
@Test/* w  w  w.j a  v a2 s  .c o m*/
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.interceptors().add(interceptor);

    ExceptionCatchingExecutor executor = new ExceptionCatchingExecutor();
    client.setDispatcher(new Dispatcher(executor));

    Request request = new Request.Builder().url(server.url("/")).build();
    try {
        client.newCall(request).execute();
        fail();
    } catch (NullPointerException expected) {
        assertEquals("application interceptor " + interceptor + " returned null", expected.getMessage());
    }
}

---

From source file:co.paralleluniverse.fibers.okhttp.test.InterceptorTest.java

License:Apache License

@Ignore
@Test/*w  ww  .  j a  v a  2  s .c  om*/
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.networkInterceptors().add(interceptor);

    ExceptionCatchingExecutor executor = new ExceptionCatchingExecutor();
    client.setDispatcher(new Dispatcher(executor));

    Request request = new Request.Builder().url(server.url("/")).build();
    try {
        client.newCall(request).execute();
        fail();
    } catch (NullPointerException expected) {
        assertEquals("network interceptor " + interceptor + " returned null", expected.getMessage());
    }
}

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