ListFileObservable.java

package me.devsaki.hentoid.dirpicker.observable;

import java.io.File;

import rx.Observable;
import rx.Subscriber;

/**
 * Created by avluis on 06/12/2016.
 * List File Observable
 */
class ListFileObservable {

    Observable<File> create(final File rootDir) {
        return Observable.create(new Observable.OnSubscribe<File>() {
            @Override
            public void call(Subscriber<? super File> subscriber) {
                File[] childDirs = rootDir.listFiles();

                for (File child : childDirs) {
                    subscriber.onNext(child);
                }
                subscriber.onCompleted();
            }
        });
    }
}