网络请求之OKHttp3.0(工具类)

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Handler;
import android.os.Message;
import org.json.JSONObject;

import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;

import okhttp3.FormBody;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;


/**
 * 
 */

public class NetworkUtils {
    public final String TAG = this.getClass().getSimpleName();
    private static final int TIME_OUT = 6000;
    private static NetworkUtils instance;
    private OkHttpClient ohc;

    private static final int THREAD_COUNT = Runtime.getRuntime().availableProcessors() * 2+ 1;
    private static ExecutorService mFixedThreadExecutor = null;

    public NetworkUtils() {
//        getOkHttpClient();
        mFixedThreadExecutor = Executors.newFixedThreadPool(THREAD_COUNT);
        LogUtils.logE(TAG, "THREAD_COUNT = " + THREAD_COUNT);
    }

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


    /**
     * *
     * 将线程放入线程池中运行
     *
     * @param runnable 需要在子线程中运行的代码
     */


    public void runOnExecutorServiceThread(Runnable runnable) {
        mFixedThreadExecutor.execute(runnable);
    }

    public static boolean isNetworkConnected() {
        if (MyApplication.c() != null) {
            ConnectivityManager mConnectivityManager = (ConnectivityManager) MyApplication.c().getSystemService("connectivity");
            NetworkInfo mNetworkInfo = mConnectivityManager.getActiveNetworkInfo();
            if (mNetworkInfo != null) {
                return mNetworkInfo.isAvailable();
            }
        } else {
            LogUtils.logE("NetworkUtils", "Context is null");
        }

        return false;
    }

    public boolean isWifi(Context c) {
        ConnectivityManager connectivityManager = (ConnectivityManager) c.getSystemService("connectivity");
        NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo();
        return activeNetInfo != null && activeNetInfo.getTypeName().equals("WIFI");
    }


    private OkHttpClient getOkHttpClient() {
        if (ohc == null) {
            ohc = new OkHttpClient.Builder()
                    .connectTimeout(TIME_OUT, TimeUnit.MILLISECONDS)
                    .readTimeout(TIME_OUT, TimeUnit.MILLISECONDS)
                    .retryOnConnectionFailure(false)
                    .build();
        }
        return ohc;
    }

    public okhttp3.Call get(String url, CustomCallBack customCallBack) {
        LogUtils.logE(TAG, "url = " + url);
        if (!isNetworkConnected()) {
            ToastUtils.makeToast("网络未连接");
            return null;
        }
        customCallBack.setUrl(url);
        Request request = new Request.Builder()
                .url(url)
                .method("GET", null)
                .build();
        okhttp3.Call call = getInstance().getOkHttpClient().newCall(request);
        call.enqueue(customCallBack);
        return call;
    }

    public okhttp3.Call get(String url, CustomCallBack customCallBack, String strings) {
        LogUtils.logE(TAG, "url = " + url);
        if (!isNetworkConnected()) {
            ToastUtils.makeToast("网络未连接");
            return null;
        }
        customCallBack.setUrl(url);
        Request request = new Request.Builder()
                .url(url)
                .method("GET", null)
                .build();
        okhttp3.Call call = getInstance().getOkHttpClient().newCall(request);
        call.enqueue(customCallBack);
        return call;
    }

    public okhttp3.Call post(String url, CustomCallBack customCallBack, String... strings) {
        LogUtils.logE(TAG, "url = " + url);
        if (!isNetworkConnected()) {
            ToastUtils.makeToast("网络未连接");
            return null;
        }
        customCallBack.setUrl(url);
        FormBody.Builder builder = new FormBody.Builder();
        String key = null;
        String value = null;
        for (int i = 0; i < strings.length; i++) {
            if (i % 2 == 0) {
                key = strings[i];
                LogUtils.logE(TAG, "key = " + key);
            } else {
                value = strings[i];
                LogUtils.logE(TAG, "value = " + value);
                if (value == null) {
                    value = "";
                }
                builder.add(key, value);
            }
        }
        RequestBody formBody = builder.build();
        Request request = new Request.Builder()
                .url(url)
                .post(formBody)
                .build();
        okhttp3.Call call = getInstance().getOkHttpClient().newCall(request);
        call.enqueue(customCallBack);
        return call;
    }

    public okhttp3.Call posts(String url, CustomCallBack customCallBack, String userId, String passWd) {
        LogUtils.logE(TAG, "url = " + url);
        if (!isNetworkConnected()) {
            ToastUtils.makeToast("网络未连接");
            return null;
        }
        customCallBack.setUrl(url);
        FormBody.Builder builder = new FormBody.Builder();
        builder.add("dbUser", userId);
        builder.add("passwd", passWd);
        RequestBody formBody = builder.build();
        Request request = new Request.Builder()
                .url(url)
                .post(formBody)
                .build();
        okhttp3.Call call = getInstance().getOkHttpClient().newCall(request);
        call.enqueue(customCallBack);
        return call;
    }

    public okhttp3.Call postCancelSeat(String url, CustomCallBack customCallBack, String id, String oeisId) {
        LogUtils.logE(TAG, "url = " + url);
        if (!isNetworkConnected()) {
            ToastUtils.makeToast("网络未连接");
            return null;
        }
        customCallBack.setUrl(url);
        FormBody.Builder builder = new FormBody.Builder();
        builder.add("id", id);
        builder.add("oeisId", oeisId);
        RequestBody formBody = builder.build();
        Request request = new Request.Builder()
                .url(url)
                .post(formBody)
                .build();
        okhttp3.Call call = getInstance().getOkHttpClient().newCall(request);
        call.enqueue(customCallBack);
        return call;
    }



 



}