com.aylien.newsapi.ProgressRequestBody Maven / Gradle / Ivy

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/*
 * AYLIEN News API
 * The AYLIEN News API is the most powerful way of sourcing, searching and syndicating analyzed and enriched news content. It is accessed by sending HTTP requests to our server, which returns information to your client. 
 *
 * The version of the OpenAPI document: 3.0
 * 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.aylien.newsapi;

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);
            }
        };
    }
}