import android.os.Handler;
import android.os.Message;
import com.brother.sealmanager.common.Logger;//另一篇博客[Log类](http://blog.csdn.net/vadonmo/article/details/78918665)
import java.io.IOException;
import java.io.InputStream;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.FormBody;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
/**
* Created by vadon on 2017/12/25.
*/
public class OkHttpHelper {
private final static int CONNECT_TIMEOUT = 60;
private final static int READ_TIMEOUT = 100;
private final static int WRITE_TIMEOUT = 60;
private static final String TAG = "---";
private Message msg;
private static OkHttpHelper httpHelper = null;
private OkHttpHelper() {
}
public static OkHttpHelper getInstance() {
if (httpHelper == null) httpHelper = new OkHttpHelper();
return httpHelper;
}
public void getConn(String url, final Handler handler, final String type) {
//创建okhttpclient对象
OkHttpClient client = new OkHttpClient();
setTimeOut(client);
//根据请求url创建一个request对象
Request request = new Request.Builder().url(url).build();
//根据request对象发起get同步http请求 execute 是同步请求,会阻塞线程
//Response response = client.newCall(request).execute();
//根据request对象发起get异步http请求 enqueue是异步请求方法,不会造成线程阻塞
msg = new Message();
client.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
msg.what = 0x2;//网络请求失败
msg.obj = e.toString();
handler.sendMessage(msg);
call.cancel();
}
@Override
public void onResponse(Call call, Response response) throws IOException {
if (response.isSuccessful()) {
switch (type) {
case "String":
String result = response.body().string();
msg.obj = result;
break;
case "InputStream":
InputStream inputStream = response.body().byteStream();//可用于下载文件
msg.obj = inputStream;
break;
case "Byte":
byte[] bytes = response.body().bytes();
msg.obj = bytes;
break;
default:
String _default = response.body().string();
msg.obj = _default;
break;
}
msg.what = 0x1;//网络请求成功
handler.sendMessage(msg);
}
}
});
}
public void postConn(String url, Map<String, String> paramMap, final Handler handler, final String type) {
//创建okhttpclient对象
OkHttpClient client = new OkHttpClient();
setTimeOut(client);
Request request = buildPostRequest(url, map2Params(paramMap));
msg = new Message();
client.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
Logger.e(TAG, "onResponse--type-onFailure========");
msg.what = 0x1;//网络请求失败
msg.obj = e.toString();
handler.sendMessage(msg);
call.cancel();
}
@Override
public void onResponse(Call call, Response response) throws IOException {
Logger.e(TAG, "onResponseresponse.code()=============" + response.code());
Logger.e(TAG, "onResponse--typeisSuccessful========" + response.isSuccessful());
if (response.isSuccessful()) {
Logger.e(TAG, "onResponse--typeisSuccessful========" + type);
switch (type) {
case "String":
String result = response.body().string();
msg.obj = result;
break;
case "InputStream":
InputStream inputStream = response.body().byteStream();//可用于下载文件
msg.obj = inputStream;
break;
case "Byte":
byte[] bytes = response.body().bytes();
msg.obj = bytes;
break;
default:
String _default = response.body().string();
msg.obj = _default;
break;
}
msg.what = 0x2;//网络请求成功
handler.sendMessage(msg);
} else {
msg.what = 0x1;//返回数据失败
msg.obj = response.message();
handler.sendMessage(msg);
Logger.e(TAG, "onResponse:response.isSuccessful()==false ");
}
}
});
}
private Param[] map2Params(Map<String, String> paramMap) {
if (paramMap == null) return null;
Param[] arrayOfParam = new Param[paramMap.size()];
Set localSet = paramMap.entrySet();
int i = 0;
Iterator localIterator = localSet.iterator();
while (localIterator.hasNext()) {
Map.Entry localEntry = (Map.Entry) localIterator.next();
arrayOfParam[i] = new Param((String) localEntry.getKey(), (String) localEntry.getValue());
i++;
}
return arrayOfParam;
}
private Request buildPostRequest(String url, Param[] paramArrayOfParam) {
int i = 0;
if (paramArrayOfParam == null)
paramArrayOfParam = new Param[0];
FormBody.Builder localBuilder = new FormBody.Builder();
int j = paramArrayOfParam.length;
while (i < j) {
Param localParam = paramArrayOfParam[i];
localBuilder.add(localParam.key, localParam.value);
i++;
}
FormBody localFormBody = localBuilder.build();
Request.Builder localBuilder1 = new Request.Builder().url(url).post(localFormBody);
return localBuilder1.build();
}
/**
* 设置超时时间
*/
private void setTimeOut(OkHttpClient client) {
client = new OkHttpClient.Builder()
.readTimeout(READ_TIMEOUT, TimeUnit.SECONDS)//设置读取超时时间
.writeTimeout(WRITE_TIMEOUT, TimeUnit.SECONDS)//设置写的超时时间
.connectTimeout(CONNECT_TIMEOUT, TimeUnit.SECONDS)//设置连接超时时间
.build();
}
public static class Param {
String key;
String value;
public Param() {
}
public Param(String key, String value) {
this.key = key;
this.value = value;
}
}
}
OkHttp简易封装
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转载自blog.csdn.net/vadonmo/article/details/78918733
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