Android Open Source - Dreamer Executor Delivery






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Back to project page Dreamer.

License

The source code is released under:

Apache License

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Java Source Code

/*
 * Copyright (C) 2011 The Android Open Source Project
 *//from w w w.  j  av  a2 s.  co  m
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.fancyblurdemo.volley;

import android.os.Handler;

import java.util.concurrent.Executor;

/**
 * Delivers responses and errors.
 */
public class ExecutorDelivery implements ResponseDelivery {
    /** Used for posting responses, typically to the main thread. */
    private final Executor mResponsePoster;

    /**
     * Creates a new response delivery interface.
     * @param handler {@link android.os.Handler} to post responses on
     */
    public ExecutorDelivery(final Handler handler) {
        // Make an Executor that just wraps the handler.
        mResponsePoster = new Executor() {
            @Override
            public void execute(Runnable command) {
                handler.post(command);
            }
        };
    }

    /**
     * Creates a new response delivery interface, mockable version
     * for testing.
     * @param executor For running delivery tasks
     */
    public ExecutorDelivery(Executor executor) {
        mResponsePoster = executor;
    }

    @Override
    public void postResponse(Request<?> request, Response<?> response) {
        postResponse(request, response, null);
    }

    @Override
    public void postResponse(Request<?> request, Response<?> response, Runnable runnable) {
        request.markDelivered();
        request.addMarker("post-response");
        mResponsePoster.execute(new ResponseDeliveryRunnable(request, response, runnable));
    }

    @Override
    public void postError(Request<?> request, VolleyError error) {
        request.addMarker("post-error");
        Response<?> response = Response.error(error);
        mResponsePoster.execute(new ResponseDeliveryRunnable(request, response, null));
    }

    /**
     * A Runnable used for delivering network responses to a listener on the
     * main thread.
     */
    @SuppressWarnings("rawtypes")
    private class ResponseDeliveryRunnable implements Runnable {
        private final Request mRequest;
        private final Response mResponse;
        private final Runnable mRunnable;

        public ResponseDeliveryRunnable(Request request, Response response, Runnable runnable) {
            mRequest = request;
            mResponse = response;
            mRunnable = runnable;
        }

        @SuppressWarnings("unchecked")
        @Override
        public void run() {
            // If this request has canceled, finish it and don't deliver.
            if (mRequest.isCanceled()) {
                mRequest.finish("canceled-at-delivery");
                return;
            }

            // Deliver a normal response or error, depending.
            if (mResponse.isSuccess()) {
                mRequest.deliverResponse(mResponse.result);
            } else {
                mRequest.deliverError(mResponse.error);
            }

            // If this is an intermediate response, add a marker, otherwise we're done
            // and the request can be finished.
            if (mResponse.intermediate) {
                mRequest.addMarker("intermediate-response");
            } else {
                mRequest.finish("done");
            }

            // If we have been provided a post-delivery runnable, run it.
            if (mRunnable != null) {
                mRunnable.run();
            }
       }
    }
}




Java Source Code List

com.android.fancyblurdemo.app.BitmapLruImageCache.java
com.android.fancyblurdemo.app.BlurImageView.java
com.android.fancyblurdemo.app.ContextWrapperEdgeEffect.java
com.android.fancyblurdemo.app.DreamAdapter.java
com.android.fancyblurdemo.app.EdgeEffectViewPager.java
com.android.fancyblurdemo.app.FlickrDream.java
com.android.fancyblurdemo.app.FlickrPhoto.java
com.android.fancyblurdemo.app.FlickrRequest.java
com.android.fancyblurdemo.app.FlickrScroller.java
com.android.fancyblurdemo.app.MainActivity.java
com.android.fancyblurdemo.app.MainApplication.java
com.android.fancyblurdemo.app.PhotoFragment.java
com.android.fancyblurdemo.app.PhotoSizeRequest.java
com.android.fancyblurdemo.app.PreCompositeTextTask.java
com.android.fancyblurdemo.app.RobotoTextView.java
com.android.fancyblurdemo.app.TopSwipeLayout.java
com.android.fancyblurdemo.app.VolleyManager.java
com.android.fancyblurdemo.app.imageblur.BlurDispatcher.java
com.android.fancyblurdemo.app.imageblur.BlurError.java
com.android.fancyblurdemo.app.imageblur.BlurManager.java
com.android.fancyblurdemo.app.imageblur.BlurQueue.java
com.android.fancyblurdemo.app.imageblur.BlurRequest.java
com.android.fancyblurdemo.app.imageblur.BlurResponseDelivery.java
com.android.fancyblurdemo.app.imageblur.BlurResponse.java
com.android.fancyblurdemo.app.imageblur.DiskLruImageCache.java
com.android.fancyblurdemo.app.imageblur.ImageBlurrer.java
com.android.fancyblurdemo.volley.AuthFailureError.java
com.android.fancyblurdemo.volley.CacheDispatcher.java
com.android.fancyblurdemo.volley.Cache.java
com.android.fancyblurdemo.volley.DefaultRetryPolicy.java
com.android.fancyblurdemo.volley.ExecutorDelivery.java
com.android.fancyblurdemo.volley.NetworkDispatcher.java
com.android.fancyblurdemo.volley.NetworkError.java
com.android.fancyblurdemo.volley.NetworkResponse.java
com.android.fancyblurdemo.volley.Network.java
com.android.fancyblurdemo.volley.NoConnectionError.java
com.android.fancyblurdemo.volley.ParseError.java
com.android.fancyblurdemo.volley.RequestQueue.java
com.android.fancyblurdemo.volley.Request.java
com.android.fancyblurdemo.volley.ResponseDelivery.java
com.android.fancyblurdemo.volley.Response.java
com.android.fancyblurdemo.volley.RetryPolicy.java
com.android.fancyblurdemo.volley.ServerError.java
com.android.fancyblurdemo.volley.TimeoutError.java
com.android.fancyblurdemo.volley.VolleyError.java
com.android.fancyblurdemo.volley.VolleyLog.java
com.android.fancyblurdemo.volley.toolbox.AndroidAuthenticator.java
com.android.fancyblurdemo.volley.toolbox.Authenticator.java
com.android.fancyblurdemo.volley.toolbox.BasicNetwork.java
com.android.fancyblurdemo.volley.toolbox.ByteArrayPool.java
com.android.fancyblurdemo.volley.toolbox.ClearCacheRequest.java
com.android.fancyblurdemo.volley.toolbox.DiskBasedCache.java
com.android.fancyblurdemo.volley.toolbox.HttpClientStack.java
com.android.fancyblurdemo.volley.toolbox.HttpHeaderParser.java
com.android.fancyblurdemo.volley.toolbox.HttpStack.java
com.android.fancyblurdemo.volley.toolbox.HurlStack.java
com.android.fancyblurdemo.volley.toolbox.ImageLoader.java
com.android.fancyblurdemo.volley.toolbox.ImageRequest.java
com.android.fancyblurdemo.volley.toolbox.JsonArrayRequest.java
com.android.fancyblurdemo.volley.toolbox.JsonObjectRequest.java
com.android.fancyblurdemo.volley.toolbox.JsonRequest.java
com.android.fancyblurdemo.volley.toolbox.NetworkImageView.java
com.android.fancyblurdemo.volley.toolbox.NoCache.java
com.android.fancyblurdemo.volley.toolbox.PoolingByteArrayOutputStream.java
com.android.fancyblurdemo.volley.toolbox.RequestFuture.java
com.android.fancyblurdemo.volley.toolbox.StringRequest.java
com.android.fancyblurdemo.volley.toolbox.Volley.java