Android Open Source - u2020 Mock Gallery Service

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Back to project page u2020.

License

The source code is released under:

Apache License

Java Source Code

package com.jakewharton.u2020.data.api;
//ww w.  java2 s. c o m
import com.jakewharton.u2020.data.api.model.Gallery;
import com.jakewharton.u2020.data.api.model.Image;
import java.util.List;
import javax.inject.Inject;
import javax.inject.Singleton;
import rx.Observable;

@Singleton
final class MockGalleryService implements GalleryService {
  private static final Gallery BAD_REQUEST = new Gallery(200, false, null);
  private static final int PAGE_SIZE = 50;

  private final ServerDatabase serverDatabase;

  @Inject MockGalleryService(ServerDatabase serverDatabase) {
    this.serverDatabase = serverDatabase;
  }

  @Override public Observable<Gallery> listGallery(Section section, Sort sort, int page) {
    // Fetch desired section.
    List<Image> images = serverDatabase.getImagesForSection(section);
    if (images == null) {
      return Observable.just(BAD_REQUEST);
    }

    // Figure out proper list subset.
    int pageStart = (page - 1) * PAGE_SIZE;
    if (pageStart >= images.size() || pageStart < 0) {
      return Observable.just(BAD_REQUEST);
    }
    int pageEnd = Math.min(pageStart + PAGE_SIZE, images.size());

    // Sort and trim images.
    SortUtil.sort(images, sort);
    images = images.subList(pageStart, pageEnd);

    return Observable.just(new Gallery(200, true, images));
  }
}

Java Source Code List

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