OkHttpUtils.java
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package com.cnlive.share.util;
import android.os.Handler;
import android.os.Looper;
import com.google.gson.Gson;
import com.google.gson.internal.$Gson$Types;
import java.io.IOException;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.List;
import java.util.concurrent.TimeUnit;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.FormBody;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;
/**
*
*/
public class OkHttpUtils {
private static final String TAG = "OkHttpUtils";
private static OkHttpUtils mInstance;
private OkHttpClient mOkHttpClient;
private Handler mDelivery;
private Gson mGson;
private OkHttpUtils() {
mOkHttpClient = new OkHttpClient.Builder()
.connectTimeout(10, TimeUnit.SECONDS)
.writeTimeout(10, TimeUnit.SECONDS)
.readTimeout(30, TimeUnit.SECONDS)
.build();
mGson = new Gson();
mDelivery = new Handler(Looper.getMainLooper());
}
private synchronized static OkHttpUtils getmInstance() {
if (mInstance == null) {
mInstance = new OkHttpUtils();
}
return mInstance;
}
private void getRequest(String url, final ResultCallback callback) {
final Request request = new Request.Builder().url(url).build();
deliveryResult(callback, request);
}
private void postRequest(String url, final ResultCallback callback, List<Param> params) {
Request request = buildPostRequest(url, params);
deliveryResult(callback, request);
}
/**
* 处理结果
* @param callback
* @param request
*/
private void deliveryResult(final ResultCallback callback, Request request) {
mOkHttpClient.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
sendFailCallback(callback, e);
}
@Override
public void onResponse(Call call, Response response) throws IOException {
try {
String str = response.body().string();
if (callback.mType == String.class) {
/**
* 返回字符串
*/
sendSuccessCallBack(callback, str);
} else {
/**
* 这里处理解析返回对象
*/
Object object = mGson.fromJson(str, callback.mType);
sendSuccessCallBack(callback, object);
}
} catch (final Exception e) {
// LogUtils.e(TAG, "convert json failure", e);
sendFailCallback(callback, e);
}
}
});
}
private void sendFailCallback(final ResultCallback callback, final Exception e) {
mDelivery.post(new Runnable() {
@Override
public void run() {
if (callback != null) {
callback.onFailure(e);
}
}
});
}
private void sendSuccessCallBack(final ResultCallback callback, final Object obj) {
mDelivery.post(new Runnable() {
@Override
public void run() {
if (callback != null) {
callback.onSuccess(obj);
}
}
});
}
private Request buildPostRequest(String url, List<Param> params) {
FormBody.Builder builder= new FormBody.Builder();
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();
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 这里可以根据项目抽取成泛型
*/
public static class Param {
String key;
String value;
public Param() {
}
public Param(String key, String value) {
this.key = key;
this.value = value;
}
}
}