OkHttp网络连接封装工具类

来源：互联网发布：七天网络查分账号注册编辑：程序博客网时间：2024/05/18 16:16

最近，临近春节放假，把自己最近项目中使用的okhttp使用做个总结，将自己的工具类贡献出来。其中有部分是参考了鸿洋的部分。

就直接上代码。

package com.lidong.demo.utils;    import android.os.Handler;  import android.os.Looper;    import com.google.gson.internal.$Gson$Types;  import com.squareup.okhttp.Callback;  import com.squareup.okhttp.FormEncodingBuilder;  import com.squareup.okhttp.OkHttpClient;  import com.squareup.okhttp.Request;  import com.squareup.okhttp.RequestBody;  import com.squareup.okhttp.Response;    import java.io.IOException;  import java.lang.reflect.ParameterizedType;  import java.lang.reflect.Type;  import java.net.CookieManager;  import java.net.CookiePolicy;  import java.util.List;  import java.util.concurrent.TimeUnit;    /**  * Description : OkHttp网络连接封装工具类  * Author : ldong  * Date   : 16/1/31  */  public class OkHttpUtils {        private static final String TAG = "OkHttpUtils";        private static OkHttpUtils mInstance;      private OkHttpClient mOkHttpClient;      private Handler mHandler;        private OkHttpUtils() {          /**          * 构建OkHttpClient          */          mOkHttpClient = new OkHttpClient();          /**          * 设置连接的超时时间          */          mOkHttpClient.setConnectTimeout(10, TimeUnit.SECONDS);          /**          * 设置响应的超时时间          */          mOkHttpClient.setWriteTimeout(10, TimeUnit.SECONDS);          /**          * 请求的超时时间          */          mOkHttpClient.setReadTimeout(30, TimeUnit.SECONDS);          /**          * 允许使用Cookie          */          mOkHttpClient.setCookieHandler(new CookieManager(null, CookiePolicy.ACCEPT_ORIGINAL_SERVER));          /**          * 获取主线程的handler          */          mHandler = new Handler(Looper.getMainLooper());      }        /**      * 通过单例模式构造对象      * @return OkHttpUtils      */      private synchronized static OkHttpUtils getmInstance() {          if (mInstance == null) {              mInstance = new OkHttpUtils();          }          return mInstance;      }        /**      * 构造Get请求      * @param url  请求的url      * @param callback  结果回调的方法      */      private void getRequest(String url, final ResultCallback callback) {          final Request request = new Request.Builder().url(url).build();          deliveryResult(callback, request);      }        /**      * 构造post 请求      * @param url 请求的url      * @param callback 结果回调的方法      * @param params 请求参数      */      private void postRequest(String url, final ResultCallback callback, List<Param> params) {          Request request = buildPostRequest(url, params);          deliveryResult(callback, request);      }        /**      * 处理请求结果的回调      * @param callback      * @param request      */      private void deliveryResult(final ResultCallback callback, Request request) {            mOkHttpClient.newCall(request).enqueue(new Callback() {              @Override              public void onFailure(Request request, final IOException e) {                  sendFailCallback(callback, e);              }                @Override              public void onResponse(Response response) throws IOException {                  try {                      String str = response.body().string();                      if (callback.mType == String.class) {                          sendSuccessCallBack(callback, str);                      } else {                          Object object = JsonUtils.deserialize(str, callback.mType);                          sendSuccessCallBack(callback, object);                      }                  } catch (final Exception e) {                      LogUtils.e(TAG, "convert json failure", e);                      sendFailCallback(callback, e);                  }                }          });      }        /**      * 发送失败的回调      * @param callback      * @param e      */      private void sendFailCallback(final ResultCallback callback, final Exception e) {          mHandler.post(new Runnable() {              @Override              public void run() {                  if (callback != null) {                      callback.onFailure(e);                  }              }          });      }        /**      * 发送成功的调      * @param callback      * @param obj      */      private void sendSuccessCallBack(final ResultCallback callback, final Object obj) {          mHandler.post(new Runnable() {              @Override              public void run() {                  if (callback != null) {                      callback.onSuccess(obj);                  }              }          });      }        /**      * 构造post请求      * @param url  请求url      * @param params 请求的参数      * @return 返回 Request      */      private Request buildPostRequest(String url, List<Param> params) {          FormEncodingBuilder builder = new FormEncodingBuilder();          for (Param param : params) {              builder.add(param.key, param.value);          }          RequestBody requestBody = builder.build();          return new Request.Builder().url(url).post(requestBody).build();      }          /**********************对外接口************************/        /**      * get请求      * @param url  请求url      * @param callback  请求回调      */      public static void get(String url, ResultCallback callback) {          getmInstance().getRequest(url, callback);      }        /**      * post请求      * @param url       请求url      * @param callback  请求回调      * @param params    请求参数      */      public static void post(String url, final ResultCallback callback, List<Param> params) {          getmInstance().postRequest(url, callback, params);      }        /**      * http请求回调类,回调方法在UI线程中执行      * @param <T>      */      public static abstract class ResultCallback<T> {            Type mType;            public ResultCallback(){              mType = getSuperclassTypeParameter(getClass());          }            static Type getSuperclassTypeParameter(Class<?> subclass) {              Type superclass = subclass.getGenericSuperclass();//返回父类的类型              if (superclass instanceof Class) {                  throw new RuntimeException("Missing type parameter.");              }              ParameterizedType parameterized = (ParameterizedType) superclass;              return $Gson$Types.canonicalize(parameterized.getActualTypeArguments()[0]);          }            /**          * 请求成功回调          * @param response          */          public abstract void onSuccess(T response);            /**          * 请求失败回调          * @param e          */          public abstract void onFailure(Exception e);      }        /**      * post请求参数类      */      public static class Param {            String key;//请求的参数          String value;//参数的值            public Param() {          }            public Param(String key, String value) {              this.key = key;              this.value = value;          }        }      }

调用方法非常简单：

1.get请求

[java] view plain copy
 
OkHttpUtils.get(url, callback);  

2.post请求

[java] view plain copy
 
OkHttpUtils.post(url,callback,params);  

基本上就这些吧

0 0