Android Open Source - volley Volley






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Back to project page volley.

License

The source code is released under:

Apache License

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Java Source Code

/*
 * Copyright (C) 2012 The Android Open Source Project
 */*  w w  w .  j  av  a2 s  .c o  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.volley.toolbox;

import java.io.File;

import android.annotation.TargetApi;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager.NameNotFoundException;
import android.net.http.AndroidHttpClient;
import android.os.Build;

import com.android.volley.Network;
import com.android.volley.RequestQueue;

@TargetApi(Build.VERSION_CODES.FROYO)
public class Volley {

    /** Default on-disk cache directory. */
    private static final String DEFAULT_CACHE_DIR = "volley";

    /**
     * Creates a default instance of the worker pool and calls {@link RequestQueue#start()} on it.
     *
     * @param context A {@link Context} to use for creating the cache dir.
     * @param stack An {@link HttpStack} to use for the network, or null for default.
     * @return A started {@link RequestQueue} instance.
     */
    public static RequestQueue newRequestQueue(Context context, HttpStack stack) {
        File cacheDir = new File(context.getCacheDir(), DEFAULT_CACHE_DIR);

        String userAgent = null;
        try {
            String packageName = context.getPackageName();
            PackageInfo info = context.getPackageManager().getPackageInfo(packageName, 0);
            userAgent = packageName + "/" + info.versionCode;
        } catch (NameNotFoundException e) {
        }

        if (stack == null) {
            if (Build.VERSION.SDK_INT >= 9) {
                stack = new HurlStack(userAgent);
            } else {
                // Prior to Gingerbread, HttpUrlConnection was unreliable.
                // See: http://android-developers.blogspot.com/2011/09/androids-http-clients.html
                stack = new HttpClientStack(AndroidHttpClient.newInstance(userAgent));
            }
        }

        Network network = new BasicNetwork(stack);

        RequestQueue queue = new RequestQueue(new DiskLruBasedCache(cacheDir), network);
        queue.start();

        return queue;
    }
    
    /**
     * chenbo add ????Http????????????????????????
     * ??????????
     * newNoCacheRequestQueue
     * @param context
     * @param stack
     * @return
     * @since 3.5
     */
    public static RequestQueue newNoCacheRequestQueue(Context context) {
        String userAgent = null;
        try {
            String packageName = context.getPackageName();
            PackageInfo info = context.getPackageManager().getPackageInfo(packageName, 0);
            userAgent = packageName + "/" + info.versionCode;
        } catch (NameNotFoundException e) {
        }

        HttpStack stack = null;
        if (Build.VERSION.SDK_INT >= 9) {
            stack = new HurlStack(userAgent);
        } else {
            // Prior to Gingerbread, HttpUrlConnection was unreliable.
            // See:
            // http://android-developers.blogspot.com/2011/09/androids-http-clients.html
            stack = new HttpClientStack(AndroidHttpClient.newInstance(userAgent));
        }

        Network network = new BasicNetwork(stack);

        RequestQueue queue = new RequestQueue(new NoCache(), network);
        queue.start();

        return queue;
    }

    /**
     * Creates a default instance of the worker pool and calls {@link RequestQueue#start()} on it.
     *
     * @param context A {@link Context} to use for creating the cache dir.
     * @return A started {@link RequestQueue} instance.
     */
    public static RequestQueue newRequestQueue(Context context) {
        return newRequestQueue(context, null);
    }
    
    public static File getDefaultCacheFile(Context context) {
        return new File(context.getCacheDir(), DEFAULT_CACHE_DIR);
    }
}




Java Source Code List

com.android.volley.AuthFailureError.java
com.android.volley.CacheDispatcher.java
com.android.volley.Cache.java
com.android.volley.DefaultRetryPolicy.java
com.android.volley.ExecutorDelivery.java
com.android.volley.NetworkDispatcher.java
com.android.volley.NetworkError.java
com.android.volley.NetworkResponse.java
com.android.volley.Network.java
com.android.volley.NoConnectionError.java
com.android.volley.ParseError.java
com.android.volley.RequestQueue.java
com.android.volley.Request.java
com.android.volley.ResponseDelivery.java
com.android.volley.Response.java
com.android.volley.RetryPolicy.java
com.android.volley.ServerError.java
com.android.volley.TimeoutError.java
com.android.volley.Utils.java
com.android.volley.VolleyError.java
com.android.volley.VolleyLog.java
com.android.volley.ext.ContentLengthInputStream.java
com.android.volley.ext.HttpCallback.java
com.android.volley.ext.PauseOnScrollListener.java
com.android.volley.ext.RequestInfo.java
com.android.volley.ext.display.IDisplayer.java
com.android.volley.ext.display.SimpleDisplayer.java
com.android.volley.ext.tools.BitmapTools.java
com.android.volley.ext.tools.HttpTools.java
com.android.volley.toolbox.AndroidAuthenticator.java
com.android.volley.toolbox.Authenticator.java
com.android.volley.toolbox.BasicNetwork.java
com.android.volley.toolbox.BitmapCache.java
com.android.volley.toolbox.BitmapDecoder.java
com.android.volley.toolbox.ByteArrayPool.java
com.android.volley.toolbox.ClearCacheRequest.java
com.android.volley.toolbox.ContentLengthInputStream.java
com.android.volley.toolbox.DiskBasedCache.java
com.android.volley.toolbox.DiskLruBasedCache.java
com.android.volley.toolbox.DownloadRequest.java
com.android.volley.toolbox.HttpClientStack.java
com.android.volley.toolbox.HttpHeaderParser.java
com.android.volley.toolbox.HttpStack.java
com.android.volley.toolbox.HurlStack.java
com.android.volley.toolbox.ImageLoader.java
com.android.volley.toolbox.ImageRequest.java
com.android.volley.toolbox.InflatingEntity.java
com.android.volley.toolbox.JsonArrayRequest.java
com.android.volley.toolbox.JsonObjectRequest.java
com.android.volley.toolbox.JsonRequest.java
com.android.volley.toolbox.MultiPartRequest.java
com.android.volley.toolbox.NetworkImageView.java
com.android.volley.toolbox.NoCache.java
com.android.volley.toolbox.PoolingByteArrayOutputStream.java
com.android.volley.toolbox.RequestFuture.java
com.android.volley.toolbox.StringRequest.java
com.android.volley.toolbox.UploadMultipartEntity.java
com.android.volley.toolbox.Volley.java
com.android.volley.toolbox.disklrucache.DiskLruCache.java
com.android.volley.toolbox.disklrucache.StrictLineReader.java
com.android.volley.toolbox.disklrucache.Util.java
com.android.volley.toolbox.multipart.BasePart.java
com.android.volley.toolbox.multipart.Boundary.java
com.android.volley.toolbox.multipart.FilePart.java
com.android.volley.toolbox.multipart.MultipartEntity.java
com.android.volley.toolbox.multipart.Part.java
com.android.volley.toolbox.multipart.StringPart.java
com.android.volley.toolbox.multipart.UrlEncodingHelper.java