com.bumptech.glide.load.model.UrlUriLoader Maven / Gradle / Ivy

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A fast and efficient image loading library for Android focused on smooth scrolling.

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package com.bumptech.glide.load.model;

import android.net.Uri;
import androidx.annotation.NonNull;
import com.bumptech.glide.load.Options;
import java.io.InputStream;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;

/**
 * Handles http/https Uris by delegating to the {@link ModelLoader} for {@link
 * com.bumptech.glide.load.model.GlideUrl GlideUrls}.
 *
 * @param  The type of data this Loader will obtain for a {@link Uri}.
 */
public class UrlUriLoader implements ModelLoader {
  private static final Set SCHEMES =
      Collections.unmodifiableSet(new HashSet<>(Arrays.asList("http", "https")));
  private final ModelLoader urlLoader;

  // Public API.
  @SuppressWarnings("WeakerAccess")
  public UrlUriLoader(ModelLoader urlLoader) {
    this.urlLoader = urlLoader;
  }

  @Override
  public LoadData buildLoadData(
      @NonNull Uri uri, int width, int height, @NonNull Options options) {
    GlideUrl glideUrl = new GlideUrl(uri.toString());
    return urlLoader.buildLoadData(glideUrl, width, height, options);
  }

  @Override
  public boolean handles(@NonNull Uri uri) {
    return SCHEMES.contains(uri.getScheme());
  }

  /**
   * Loads {@link java.io.InputStream InputStreams} from {@link android.net.Uri Uris} with http or
   * https schemes.
   */
  public static class StreamFactory implements ModelLoaderFactory {

    @NonNull
    @Override
    public ModelLoader build(MultiModelLoaderFactory multiFactory) {
      return new UrlUriLoader<>(multiFactory.build(GlideUrl.class, InputStream.class));
    }

    @Override
    public void teardown() {
      // Do nothing.
    }
  }
}