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.InterceptorTest.java

License:Open Source 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.
 *//* www .  j a v  a 2 s.co  m*/
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.getUrl("/")).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

@Test
public void applicationInterceptorsCanShortCircuitResponses() throws Exception {
    server.shutdown(); // Accept no connections.

    Request request = new Request.Builder().url("https://localhost:1/").build();

    final Response interceptorResponse = new Response.Builder().request(request).protocol(Protocol.HTTP_1_1)
            .code(200).message("Intercepted!")
            .body(ResponseBody.create(MediaType.parse("text/plain; charset=utf-8"), "abc")).build();

    client.interceptors().add(new Interceptor() {
        @Override/*from w w  w.  j av  a 2s . co m*/
        public Response intercept(Chain chain) throws IOException {
            return interceptorResponse;
        }
    });

    Response response = client.newCall(request).execute();
    assertSame(interceptorResponse, response);
}

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

License:Apache License

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

    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());
    }
}

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

License:Apache License

@Ignore
@Test/* w  w w .jav a 2s. co m*/
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.networkInterceptors().add(interceptor);

    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());
    }
}

---

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

License:Apache License

@Ignore
@Test/*ww  w . j  a  va2  s . c o  m*/
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().getRoute().getAddress();
            String sameHost = address.getUriHost();
            int differentPort = address.getUriPort() + 1;
            return chain.proceed(chain.request().newBuilder()
                    .url(HttpUrl.parse("http://" + sameHost + ":" + differentPort + "/")).build());
        }
    };
    client.networkInterceptors().add(interceptor);

    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());
    }
}

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

License:Apache License

@Test
public void networkInterceptorsHaveConnectionAccess() throws Exception {
    server.enqueue(new MockResponse());

    client.networkInterceptors().add(new Interceptor() {
        @Override//  ww  w  . jav  a  2 s  .  c  o  m
        public Response intercept(Chain chain) throws IOException {
            Connection connection = chain.connection();
            assertNotNull(connection);
            return chain.proceed(chain.request());
        }
    });

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

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

License:Apache License

@Test
public void networkInterceptorsObserveNetworkHeaders() throws Exception {
    server.enqueue(new MockResponse().setBody(gzip("abcabcabc")).addHeader("Content-Encoding: gzip"));

    client.networkInterceptors().add(new Interceptor() {
        @Override//from  w  w w.  ja  v a 2 s  . c  o  m
        public Response intercept(Chain chain) throws IOException {
            // The network request has everything: User-Agent, Host, Accept-Encoding.
            Request networkRequest = chain.request();
            assertNotNull(networkRequest.header("User-Agent"));
            assertEquals(server.getHostName() + ":" + server.getPort(), networkRequest.header("Host"));
            assertNotNull(networkRequest.header("Accept-Encoding"));

            // The network response also has everything, including the raw gzipped content.
            Response networkResponse = chain.proceed(networkRequest);
            assertEquals("gzip", networkResponse.header("Content-Encoding"));
            return networkResponse;
        }
    });

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

    // No extra headers in the application's request.
    assertNull(request.header("User-Agent"));
    assertNull(request.header("Host"));
    assertNull(request.header("Accept-Encoding"));

    // No extra headers in the application's response.
    Response response = client.newCall(request).execute();
    assertNull(request.header("Content-Encoding"));
    assertEquals("abcabcabc", response.body().string());
}

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

License:Apache License

@Test
public void networkInterceptorsCanChangeRequestMethodFromGetToPost() throws Exception {
    server.enqueue(new MockResponse());

    client.networkInterceptors().add(new Interceptor() {
        @Override//  www  . ja  va2 s  . c  om
        public Response intercept(Chain chain) throws IOException {
            Request originalRequest = chain.request();
            MediaType mediaType = MediaType.parse("text/plain");
            RequestBody body = RequestBody.create(mediaType, "abc");
            return chain.proceed(originalRequest.newBuilder().method("POST", body)
                    .header("Content-Type", mediaType.toString())
                    .header("Content-Length", Long.toString(body.contentLength())).build());
        }
    });

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

    client.newCall(request).execute();

    RecordedRequest recordedRequest = server.takeRequest();
    assertEquals("POST", recordedRequest.getMethod());
    assertEquals("abc", recordedRequest.getBody().readUtf8());
}

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

License:Apache License

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

    interceptors.add(new Interceptor() {
        @Override// w  w w. j  a va2s  . com
        public Response intercept(Chain chain) throws IOException {
            Request originalRequest = chain.request();
            return chain.proceed(originalRequest.newBuilder().method("POST", uppercase(originalRequest.body()))
                    .addHeader("OkHttp-Intercepted", "yep").build());
        }
    });

    Request request = new Request.Builder().url(server.url("/")).addHeader("Original-Header", "foo")
            .method("PUT", RequestBody.create(MediaType.parse("text/plain"), "abc")).build();

    client.newCall(request).execute();

    RecordedRequest recordedRequest = server.takeRequest();
    assertEquals("ABC", recordedRequest.getBody().readUtf8());
    assertEquals("foo", recordedRequest.getHeader("Original-Header"));
    assertEquals("yep", recordedRequest.getHeader("OkHttp-Intercepted"));
    assertEquals("POST", recordedRequest.getMethod());
}

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

License:Apache License

private void rewriteResponseFromServer(List<Interceptor> interceptors) throws Exception {
    server.enqueue(new MockResponse().addHeader("Original-Header: foo").setBody("abc"));

    interceptors.add(new Interceptor() {
        @Override/*  www  .  j a v  a2 s  .c  om*/
        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"));
}

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