OkHttpImageDownloader.java

package me.ccrama.redditslide.util;

/**
 * Created by Carlos on 9/12/2016.
 */

import android.content.Context;

import com.nostra13.universalimageloader.core.assist.ContentLengthInputStream;
import com.nostra13.universalimageloader.core.download.BaseImageDownloader;

import java.io.IOException;
import java.io.InputStream;

import me.ccrama.redditslide.Reddit;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.ResponseBody;

/**
 * Implementation of ImageDownloader which uses {@link com.squareup.okhttp.OkHttpClient} for image
 * stream retrieving.
 *
 * @author Sergey Tarasevich (nostra13[at]gmail[dot]com)
 * @author Leo Link (mr[dot]leolink[at]gmail[dot]com)
 */
public class OkHttpImageDownloader extends BaseImageDownloader {

    public OkHttpImageDownloader(Context context) {
        super(context);
    }

    @Override
    protected InputStream getStreamFromNetwork(String imageUri, Object extra) throws IOException {
        Request request = new Request.Builder().url(imageUri).build();
        ResponseBody responseBody = Reddit.client.newCall(request).execute().body();
        InputStream inputStream = responseBody.byteStream();
        int contentLength = (int) responseBody.contentLength();
        return new ContentLengthInputStream(inputStream, contentLength);
    }
}