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Messente API - Connecting Services to People
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/*
 * Messente API
 * [Messente](https://messente.com) is a global provider of messaging and user verification services.  * Send and receive SMS, Viber, WhatsApp and Telegram messages. * Manage contacts and groups. * Fetch detailed info about phone numbers. * Blacklist phone numbers to make sure you're not sending any unwanted messages.  Messente builds [tools](https://messente.com/documentation) to help organizations connect their services to people anywhere in the world.
 *
 * The version of the OpenAPI document: 2.0.0
 * Contact: [email protected]
 *
 * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
 * https://openapi-generator.tech
 * Do not edit the class manually.
 */


package com.messente;

import okhttp3.MediaType;
import okhttp3.RequestBody;

import java.io.IOException;

import okio.Buffer;
import okio.BufferedSink;
import okio.ForwardingSink;
import okio.Okio;
import okio.Sink;

public class ProgressRequestBody extends RequestBody {

    private final RequestBody requestBody;

    private final ApiCallback callback;

    public ProgressRequestBody(RequestBody requestBody, ApiCallback callback) {
        this.requestBody = requestBody;
        this.callback = callback;
    }

    @Override
    public MediaType contentType() {
        return requestBody.contentType();
    }

    @Override
    public long contentLength() throws IOException {
        return requestBody.contentLength();
    }

    @Override
    public void writeTo(BufferedSink sink) throws IOException {
        BufferedSink bufferedSink = Okio.buffer(sink(sink));
        requestBody.writeTo(bufferedSink);
        bufferedSink.flush();
    }

    private Sink sink(Sink sink) {
        return new ForwardingSink(sink) {

            long bytesWritten = 0L;
            long contentLength = 0L;

            @Override
            public void write(Buffer source, long byteCount) throws IOException {
                super.write(source, byteCount);
                if (contentLength == 0) {
                    contentLength = contentLength();
                }

                bytesWritten += byteCount;
                callback.onUploadProgress(bytesWritten, contentLength, bytesWritten == contentLength);
            }
        };
    }
}