com.bumptech.glide.integration.okhttp.OkHttpStreamFetcher Maven / Gradle / Ivy

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An integration library to use OkHttp 2.x to fetch data over http/https in Glide
There is a newer version: 5.0.0-rc01
package com.bumptech.glide.integration.okhttp;

import android.util.Log;
import androidx.annotation.NonNull;
import com.bumptech.glide.Priority;
import com.bumptech.glide.load.DataSource;
import com.bumptech.glide.load.HttpException;
import com.bumptech.glide.load.data.DataFetcher;
import com.bumptech.glide.load.model.GlideUrl;
import com.bumptech.glide.util.ContentLengthInputStream;
import com.bumptech.glide.util.Synthetic;
import com.squareup.okhttp.OkHttpClient;
import com.squareup.okhttp.Request;
import com.squareup.okhttp.Response;
import com.squareup.okhttp.ResponseBody;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map;

/**
 * Fetches an {@link InputStream} using the okhttp library.
 *
 * @deprecated replaced with com.bumptech.glide.integration.okhttp3.OkHttpStreamFetcher.
 */
@Deprecated
public class OkHttpStreamFetcher implements DataFetcher {
  private static final String TAG = "OkHttpFetcher";
  private final OkHttpClient client;
  private final GlideUrl url;

  @SuppressWarnings("WeakerAccess")
  @Synthetic
  InputStream stream;

  @SuppressWarnings("WeakerAccess")
  @Synthetic
  ResponseBody responseBody;

  // Public API.
  @SuppressWarnings("WeakerAccess")
  public OkHttpStreamFetcher(OkHttpClient client, GlideUrl url) {
    this.client = client;
    this.url = url;
  }

  @Override
  public void loadData(
      @NonNull Priority priority, @NonNull final DataCallback callback) {
    Request.Builder requestBuilder = new Request.Builder().url(url.toStringUrl());
    for (Map.Entry headerEntry : url.getHeaders().entrySet()) {
      String key = headerEntry.getKey();
      requestBuilder.addHeader(key, headerEntry.getValue());
    }
    Request request = requestBuilder.build();

    client
        .newCall(request)
        .enqueue(
            new com.squareup.okhttp.Callback() {
              @Override
              public void onFailure(Request request, IOException e) {
                if (Log.isLoggable(TAG, Log.DEBUG)) {
                  Log.d(TAG, "OkHttp failed to obtain result", e);
                }
                callback.onLoadFailed(e);
              }

              @Override
              public void onResponse(Response response) throws IOException {
                responseBody = response.body();
                if (response.isSuccessful()) {
                  long contentLength = responseBody.contentLength();
                  stream =
                      ContentLengthInputStream.obtain(responseBody.byteStream(), contentLength);
                  callback.onDataReady(stream);
                } else {
                  callback.onLoadFailed(new HttpException(response.message(), response.code()));
                }
              }
            });
  }

  @Override
  public void cleanup() {
    try {
      if (stream != null) {
        stream.close();
      }
    } catch (IOException e) {
      // Ignored
    }
    if (responseBody != null) {
      try {
        responseBody.close();
      } catch (IOException e) {
        // Ignored.
      }
    }
  }

  @Override
  public void cancel() {
    // TODO: call cancel on the client when this method is called on a background thread. See #257
  }

  @NonNull
  @Override
  public Class getDataClass() {
    return InputStream.class;
  }

  @NonNull
  @Override
  public DataSource getDataSource() {
    return DataSource.REMOTE;
  }
}