版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/u010046908/article/details/50614615
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
OkHttpUtils.get(url, callback);
2.post请求
OkHttpUtils.post(url,callback,params);
基本上就这些吧