VolleyDownloader.java

package de.htwdd.classes;

import android.content.Context;
import android.support.annotation.NonNull;

import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.toolbox.ImageLoader;
import com.android.volley.toolbox.Volley;

/**
 * asynchroner HTTP-Download über Projekt Volley
 *
 * @author Kay Förster
 */
public class VolleyDownloader {
    private static VolleyDownloader ourInstance;
    private RequestQueue mRequestQueue;
    private ImageLoader mImageLoader;

    private VolleyDownloader(@NonNull final Context context) {
        mRequestQueue = Volley.newRequestQueue(context);
    }

    public static synchronized VolleyDownloader getInstance(Context context) {
        if (ourInstance == null)
            ourInstance = new VolleyDownloader(context.getApplicationContext());
        return ourInstance;
    }

    public RequestQueue getRequestQueue() {
        return mRequestQueue;
    }

    public <T> void addToRequestQueue(Request<T> request) {
        getRequestQueue().add(request);
    }

}