cn.net.xyd.utils.VolleyHelper.java Source code

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Here is the source code for cn.net.xyd.utils.VolleyHelper.java

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/*
 * Copyright (c) 2015 [1076559197@qq.com | tchen0707@gmail.com]
 *
 * 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 cn.net.xyd.utils;

import android.content.Context;

import com.android.volley.RequestQueue;
import com.android.volley.toolbox.Volley;
import com.squareup.okhttp.OkHttpClient;

import github.phoenix.library.utils.OkHttpStack;

/**
 * Author:  Tau.Chen
 * Email:   1076559197@qq.com | tauchen1990@gmail.com
 * Date:    2015/3/20.
 * Description:
 */
public class VolleyHelper {

    private RequestQueue requestQueue = null;

    private static volatile VolleyHelper instance = null;

    private VolleyHelper() {
    }

    public static VolleyHelper getInstance() {
        if (null == instance) {
            synchronized (VolleyHelper.class) {
                if (null == instance) {
                    instance = new VolleyHelper();
                }
            }
        }
        return instance;
    }

    /**
     * init volley helper
     *
     * @param context
     */
    public void init(Context context) {
        requestQueue = Volley.newRequestQueue(context, new OkHttpStack(new OkHttpClient()));
    }

    /**
     * get request queue
     *
     * @return
     */
    public RequestQueue getRequestQueue() {
        if (null != requestQueue) {
            return requestQueue;
        } else {
            throw new IllegalArgumentException("RequestQueue is not initialized.");
        }
    }

}