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/*
 * Piiano Vault REST API
 * --- sidebar_position: 1 sidebar_label: Overview description: The Piiano Vault REST API enables you to access and manage collections, objects, tokens, users, policies, and other resources within Piiano Vault. slug: / ---  # Introduction  The Piiano Vault REST API enables you to access and manage collections, objects, tokens, users, policies, and other resources within Piiano Vault in a simple, programmatic way using conventional HTTP requests and standard HTTP response codes.  The API follows RESTful conventions when possible, with most operations performed by `GET`, `POST`, `PUT`, `PATCH`, and `DELETE` requests. Request and response bodies are [JSON-encoded](https://www.json.org/json-en.html). However, for collection operations, an SQL-like [PVSchema](/guides/reference/pvschema) encoding is available.  This API reference provides details for each operation available in the API.  When you install a local copy of Vault, you can try each operation using **Send API request**.  An OpenAPI specification is available in [YAML](@site/static/assets/openapi.yaml) and [JSON](@site/static/assets/openapi.json) formats and can be used to generate client code for the API. 
 *
 * The version of the OpenAPI document: 1.0
 * 
 *
 * 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.piiano.vault.client.openapi;

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);
            }
        };
    }
}