异步网络请求的一些操作
mTask = BusinessResolve.login(email, password, new BusinessCallback<LoginResBean>() {
@Override
public void onSuccess(LoginResBean data) {
PreferenceUtil.putInt(Preferences.USER_ID, data.User.Id);
PreferenceUtil.putString(Preferences.TOKEN, data.User.Token);
PreferenceUtil.putString(User.REGISTER_TIME, TimeUtil.string2String4(data.User.RegisterTime));
List<RepositoryResBean> devices = data.User.Repositories;
if (devices.size() > 0) {
PreferenceUtil.putInt(Preferences.REPOSITORY_ID, devices.get(0).Id);
PreferenceUtil.putString(com.xinqiantu.healthband.ble.cons.Preferences.DEVICE_SERIAL, devices.get(0).Serial);
}
/** 默认个人信息 **/
PreferenceUtil.putBoolean(User.GENDER, true);
PreferenceUtil.putString(User.BIRTHDAY, "1990-01-01");
PreferenceUtil.putInt(User.HEIGHT, 170);
PreferenceUtil.putInt(User.WEIGHT, 65);
PreferenceUtil.putInt(User.STEP_SIZE, 70);
PreferenceUtil.putString(User.CITY, "未选择");
PreferenceUtil.putInt(User.STEP_GOAL, 10000);
Intent intent = new Intent(LoginActivity.this, MainActivity.class);
startActivity(intent);
closeProgressBar();
setResult(RESULT_OK);
finish();
}
@Override
public void onError(BusinessException e) {
AppMsg.makeText(LoginActivity.this, e.getMessage());
closeProgressBar();
}
public interface BusinessCallback<T> {
/**
* code为100：数据成功返回
*
* @param data
* 响应数据的封装对象
*/
public void onSuccess(T data);
/**
* code不为100：请求失败，包含网络问题，服务端问题
*
* @param e
*/
public void onError(BusinessException e);
}
public static BusinessTask login(String email, String password, BusinessCallback<LoginResBean> callback) {
LoginReqBean requestBean = new LoginReqBean();
requestBean.Username = email;
requestBean.Password = password;
BusinessRequest params = new BusinessRequest();
params.functionName = Function.LOGIN;
params.object = requestBean;
params.responseClass = LoginResBean.class;
BusinessTask task = new BusinessTask(callback);
task.execute(params);
return task;
}
public class LoginResBean {
public UserResBean User;
@Override
public String toString() {
return "LoginResBean [User=" + User + "]";
}
}
class BusinessRequest {
String functionName; //URL名字
Class<?> responseClass; //对象泛型
Object object; //对象
}
public class BusinessTask extends AsyncTask<BusinessRequest, Void, BusinessResult> {
@SuppressWarnings("rawtypes")
private BusinessCallback mCallback;
public BusinessTask(BusinessCallback<?> callback) {
this.mCallback = callback;
}
@Override
protected BusinessResult doInBackground(BusinessRequest... params) {
BusinessRequest request = params[0];
BusinessResult result = new BusinessResult();
/** 进行HPROSE请求 */
String pramData = null;
try {
if (request.object instanceof UploadFileRequestBean) { //上传图片到服务端操作
pramData = Http.doUploadFile(request.functionName, ((UploadFileRequestBean) (request.object)).generateMap());
} else {
//执行登录异步网络请求操作
pramData = Http.doPost(request.functionName, request.object);
}
} catch (BusinessException e) {
result.exception = e;
result.success = false;
return result;
}
/** 将成功情况下返回参数data对应的值，解析为对象 */
Object returnObject = null;
try {
if (request.responseClass != null && !TextUtils.isEmpty(pramData)) {
returnObject = JsonUtil.objectFromJson(pramData, request.responseClass); //将字符串解析成为对象
}
if (BuildConfig.DEBUG) {
L.i("Http 请求接口 >>" + request.functionName + "<< 解析对象： " + returnObject);
}
} catch (Exception e) {
e.printStackTrace();
result.exception = new BusinessException(BusinessException.CODE_PARSE_JSON_ERROR);
result.success = false;
return result;
}
/** 默认成功 */
result.returnObject = returnObject;
result.success = true;
return result;
}
@Override
protected void onPostExecute(BusinessResult result) {
if (mCallback != null && !isCancelled()) {
if (result.success) {
mCallback.onSuccess(result.returnObject); //成功返回对象
} else {
mCallback.onError(result.exception);
if (result.exception.getMessage().equals(BusinessException.TOKEN_INVALID)) {
TokenInvalidUtil.showDialog();
}
}
}
}
}
class BusinessResult {
Object returnObject; //对象
boolean success; //返回的状态码
BusinessException exception; //提示在连接异步网络的时候报哪一种异常
}
public class HttpUrlConnectionUtil {
public String doPost(String functionName, String requestBody) throws BusinessException {
HttpURLConnection con = null;
StringBuffer buffer = null;
try {
System.out.println("Http - url " + HttpConstants.uri + functionName);
URL u = new URL(HttpConstants.uri + functionName);
con = (HttpURLConnection) u.openConnection();
con.setRequestMethod("POST");
con.setDoOutput(true);
con.setConnectTimeout(HttpConstants.TIMEOUT);
con.setReadTimeout(HttpConstants.TIMEOUT);
con.setDoInput(true);
con.setUseCaches(false);
con.setRequestProperty("Content-Type", "application/json");
String agent = "Steward " + HttpConstants.VERSION + " (android " + android.os.Build.VERSION.RELEASE + ";" + android.os.Build.MANUFACTURER + " " + android.os.Build.MODEL + ")";
con.setRequestProperty("User-Agent", agent);
OutputStreamWriter osw = new OutputStreamWriter(con.getOutputStream(), HttpConstants.ENCODEING);
osw.write(requestBody);
osw.flush();
osw.close();
System.out.println("Http - responseCode " + con.getResponseCode());
/** 读取返回内容 */
buffer = new StringBuffer();
BufferedReader br = new BufferedReader(new InputStreamReader(con.getInputStream(), HttpConstants.ENCODEING));
String temp;
while ((temp = br.readLine()) != null) {
buffer.append(temp);
buffer.append("\n");
}
} catch (Exception e) {
e.printStackTrace();
throw new BusinessException(BusinessException.CODE_UNREACH_SERVER);
} finally {
if (con != null) {
con.disconnect();
}
}
return buffer.toString();
}
/**
* 上传头像
*
* @param filePath
* @param data
* @return
* @throws BusinessException
*/
public String doUploadFile(String functionName, String filePath, HashMap<String, String> mapData) throws BusinessException {
HttpURLConnection con = null;
StringBuffer bufferReceive = null;
String end = "\r\n";
String twoHyphens = "--";
String boundary = "*****";
try {
URL url = new URL(HttpConstants.uri + functionName);
con = (HttpURLConnection) url.openConnection();
con.setDoInput(true);
con.setDoOutput(true);
con.setUseCaches(false);
con.setRequestMethod("POST");
con.setRequestProperty("Connection", "Keep-Alive");
con.setRequestProperty("Charset", HTTP.UTF_8);
con.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
DataOutputStream ds = new DataOutputStream(con.getOutputStream());
ds.writeBytes(twoHyphens + boundary + end);
ds.writeBytes("Content-Disposition: form-data; " + "name=Avatar; filename=new.png" + end);
ds.writeBytes("Content-Type: image/png" + end);
ds.writeBytes(end);
FileInputStream fStream = new FileInputStream(filePath);
int bufferSize = 1024;
byte[] buffer = new byte[bufferSize];
int length = -1;
while ((length = fStream.read(buffer)) != -1) {
ds.write(buffer, 0, length);
}
fStream.close();
ds.writeBytes(end);
for (String key : mapData.keySet()) {
ds.writeBytes(twoHyphens + boundary + end);
ds.writeBytes("Content-Disposition: form-data; " + "name=" + key + end);
ds.writeBytes(end);
ds.writeBytes(mapData.get(key) + end);
}
ds.writeBytes(twoHyphens + boundary + twoHyphens + end);
ds.flush();
ds.close();
System.out.println("Http - responseCode " + con.getResponseCode());
/** 读取返回内容 */
bufferReceive = new StringBuffer();
BufferedReader br = new BufferedReader(new InputStreamReader(con.getInputStream(), HTTP.UTF_8));
String temp;
while ((temp = br.readLine()) != null) {
bufferReceive.append(temp);
bufferReceive.append("\n");
}
System.out.println(bufferReceive.toString());
} catch (Exception e) {
e.printStackTrace();
throw new BusinessException(BusinessException.CODE_UNREACH_SERVER);
} finally {
if (con != null) {
con.disconnect();
}
}
return bufferReceive.toString();
}