Example usage for com.squareup.okhttp ResponseBody contentLength

Introduction

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

Prototype

public abstract long contentLength() throws IOException;

Source Link

Document

Returns the number of bytes in that will returned by #bytes , or #byteStream , or -1 if unknown.

Usage

From source file:retrofit2.CallTest.java

License:Apache License

@Test
public void conversionProblemIncomingMaskedByConverterIsUnwrapped() throws IOException {
    // MWS has no way to trigger IOExceptions during the response body so use an interceptor.
    OkHttpClient client = new OkHttpClient();
    client.interceptors().add(new Interceptor() {
        @Override//from  w w  w. ja va2 s  .co m
        public com.squareup.okhttp.Response intercept(Chain chain) throws IOException {
            com.squareup.okhttp.Response response = chain.proceed(chain.request());
            ResponseBody body = response.body();
            BufferedSource source = Okio.buffer(new ForwardingSource(body.source()) {
                @Override
                public long read(Buffer sink, long byteCount) throws IOException {
                    throw new IOException("cause");
                }
            });
            body = ResponseBody.create(body.contentType(), body.contentLength(), source);
            return response.newBuilder().body(body).build();
        }
    });

    Retrofit retrofit = new Retrofit.Builder().baseUrl(server.url("/")).client(client)
            .addConverterFactory(new ToStringConverterFactory() {
                @Override
                public Converter<ResponseBody, ?> responseBodyConverter(Type type, Annotation[] annotations,
                        Retrofit retrofit) {
                    return new Converter<ResponseBody, String>() {
                        @Override
                        public String convert(ResponseBody value) throws IOException {
                            try {
                                return value.string();
                            } catch (IOException e) {
                                // Some serialization libraries mask transport problems in runtime exceptions. Bad!
                                throw new RuntimeException("wrapper", e);
                            }
                        }
                    };
                }
            }).build();
    Service example = retrofit.create(Service.class);

    server.enqueue(new MockResponse().setBody("Hi"));

    Call<String> call = example.getString();
    try {
        call.execute();
        fail();
    } catch (IOException e) {
        assertThat(e).hasMessage("cause");
    }
}