public void open() {
try {
URL url = new URL(m_url);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setReadTimeout(30 * 1000);
conn.setConnectTimeout(30 * 1000);
conn.setRequestMethod(m_method);
if (m_token != null) conn.setRequestProperty("Authorization", m_token);
if (m_body != null) {
conn.setFixedLengthStreamingMode(m_body.length);
conn.setRequestProperty("Content-Type", m_contentType);
conn.setDoOutput(true);
}
if (m_responseListener != null) conn.setDoInput(true);
if (m_body != null) {
DataOutputStream wr = new DataOutputStream(conn.getOutputStream());
wr.write(m_body);
wr.close();
}
Log.d(TAG, m_method + " " + url);
m_response.clear();
int resCode = conn.getResponseCode();
switch (resCode) {
case HttpURLConnection.HTTP_UNAUTHORIZED:
if (m_responseListener != null) m_responseListener.onUnauthorized(m_url, m_token);
else m_response.putString(RESPONSE_UNAUTHORIZED, m_url);
break;
default:
InputStream is = conn.getInputStream();
if (m_responseListener != null) m_responseListener.onResponse(resCode, is);
else m_response.putString(RESPONSE_SUCCESS, URLUtils.convertStreamToString(is));
is.close();
}
conn.disconnect();
} catch (IOException e) {
e.printStackTrace();
if (m_responseListener != null) m_responseListener.onError(e);
else m_response.putString(RESPONSE_ERROR, e.getMessage());
}
}
@Override
protected Void doInBackground(OnResponseListener... params) {
OnResponseListener l = params[0];
OkHttpClient httpClient = new OkHttpClient();
Request request = new Request.Builder().url(QUESTIONS_ENDPOINT).build();
try {
Response response = httpClient.newCall(request).execute();
l.onResponse(new ServerResponse(response.code(), response.body().string()));
} catch (IOException e) {
l.onResponse(new ServerResponse(404, "[]"));
}
return null;
}
/**
* * 获取更新信息
*
* @param context 上下文
* @param pOnResponseListener 响应监听
* @return 是否有更新版本
*/
public void checkUpdate(final Context context, final OnResponseListener pOnResponseListener) {
// 先检查是否缓存过更新信息
VersionInfo vi = new VersionInfo();
StringBuffer savePath = new StringBuffer();
if (checkCache(context, vi, savePath)) {
pOnResponseListener.onCache(vi, savePath.toString());
return;
}
if (task == null)
task =
new HttpAsyncTask() {
@Override
protected void onPostExecute(Boolean result) {
super.onPostExecute(result);
task = null;
}
};
else {
Log.d(tag, "正在进行更新检查");
return;
}
task.execute(
new IAsyncCallBack() {
VersionInfo vi;
VersionInfo newVi;
@Override
public boolean workToDo() {
vi = getCurrentVersionInfo(context);
newVi = getNewestVersionInfo();
if (vi == null || newVi == null) return false;
return true;
}
@Override
public void onComplete() {
if (newVi.getVersionCode() <= vi.getVersionCode()) {
updateCache(context, vi);
if (pOnResponseListener != null) pOnResponseListener.onResponse(true, vi);
} else {
updateCache(context, newVi);
if (pOnResponseListener != null) pOnResponseListener.onResponse(false, newVi);
}
}
@Override
public void onError() {
if (pOnResponseListener != null) pOnResponseListener.onError();
}
});
}
@Override
public void run() {
if (responseListener != null) {
if (command == COMMAND_START) {
responseListener.onStart(what);
} else if (command == COMMAND_FINISH) {
responseListener.onFinish(what);
} else if (command == COMMAND_RESPONSE && response != null) {
if (response.isSucceed()) {
responseListener.onSucceed(what, response);
} else {
responseListener.onFailed(
what, response.url(), response.getTag(), response.getErrorMessage());
}
responseListener.onFinish(what);
} else if (response == null) {
responseListener.onFailed(what, null, null, null);
responseListener.onFinish(what);
}
}
}
