执行5到6次后，我无法得到响应，并且消息也没有进入网关，应用程序被触发。在InputStreamReader中，我执行5次后无法得到任何响应。当我检查日志没有错误，但输入流没有打印。
XMLFunctions.java
public static String getLocalCurtainControlResponse( String ipadress, String imvgid, String deviceid, String command, String value, int slidedValue) {
String result = null;
BufferedReader reader =null;
System.out.println("getLocalCurtainControlResponse : IN");
System.out.println("command : " + command);
System.out.println("value : " + value);
byte[] loginBytes = ("admin" + ":" + "admin").getBytes();
StringBuilder loginBuilder = new StringBuilder()
.append("Basic ")
.append(Base64.encodeToString(loginBytes, Base64.DEFAULT));
try {
URL url = new URL("http://" + ipadress + "/cgi-bin/WebInterface.cgi?ImvgId=" + imvgid + "%20&DeviceId=" + deviceid + "%20&Action=" + command + "%20&Value=" + value + "%20&Level=" + slidedValue + "%20&App=MID");
System.out.print("step0"+"http://" + ipadress + "/cgi-bin/WebInterface.cgi?ImvgId=" + imvgid + "%20&DeviceId=" + deviceid + "%20&Action=" + command + "%20&Value=" + value + "%20&Level=" + slidedValue + "%20&App=MID");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
// connection.setRequestMethod("GET");
connection.addRequestProperty("Authorization", loginBuilder.toString());
// connection.connect();
InputStream in = connection.getInputStream();
System.out.print("step1"+connection);
StringBuilder sb = new StringBuilder();
System.out.print("step2"+sb);
reader = new BufferedReader(new InputStreamReader(in));
System.out.print("step3"+reader);
String line;
while ((line = reader.readLine()) != null) {
sb.append(line);
sb.append("\n");
}
System.out.print("step4"+sb);
reader.close();
result = sb.toString();
System.out.print("step5"+result);
} catch (MalformedURLException e) {
e.printStackTrace();
System.out.print("Hiiiiiiiiiiiiiiiiiiii"+e.getMessage());
} catch (IOException e) {
e.printStackTrace();
System.out.print("Byeeeeeeeeee"+e.getMessage());
} finally {
if (null!=reader) {
try {
reader.close();
} catch (IOException e) {
e.printStackTrace();
System.out.print("Hellllloooooooo"+e.getMessage());
}
}
}
return result;
}
答案 0 :(得分：0)
使用HttpUrlConnection找到解决方案Post and Get
private Object doSendRequest(final int requestCode, String url, final Object params, final String sessionId, final String requestType, final Activity parentActivity) {
URL myurl;
Log.v("sessionId", sessionId + "");
HttpsURLConnection httpsURLConnection = null;
try {
if (requestType.equalsIgnoreCase("GET")) {
if (params.toString().length() >= 1) {
if (url.contains("?")) {
url = (url + params.toString());
} else {
url = (url + "?" + params.toString());
}
}
}
myurl = new URL(url);
Log.v("RequestCode, URL", requestCode + " : " + url);
httpsURLConnection = (HttpsURLConnection) myurl.openConnection();
httpsURLConnection.setRequestMethod(requestType);
httpsURLConnection.setUseCaches(true);
if (isOnline(parentActivity)) {
httpsURLConnection.addRequestProperty("Cache-Control", "max-age=0");
} else {
httpsURLConnection.setUseCaches(true);
httpsURLConnection.addRequestProperty("Cache-Control", "max-stale=" + CACHE_STALE_TIME_OUT);
httpsURLConnection.addRequestProperty("Cache-Control", "only-if-cached");
}
httpsURLConnection.setConnectTimeout(20 * ONE_SECOND);
httpsURLConnection.setReadTimeout(20 * ONE_SECOND);
httpsURLConnection.setInstanceFollowRedirects(true);
httpsURLConnection.setRequestProperty("Content-Type", CONTENT_TYPE_APPLICATION_JSON);
if (sessionId != null) {
httpsURLConnection.setRequestProperty("sessionId", sessionId);
}
httpsURLConnection.setDoInput(true);
if (!requestType.equalsIgnoreCase("GET")) {
Log.v("RequestData", "" + params.toString());
httpsURLConnection.setDoOutput(true);
BufferedWriter writer = null;
try {
writer = new BufferedWriter(new OutputStreamWriter(httpsURLConnection.getOutputStream(), "UTF-8"));
writer.write(params.toString());
writer.flush();
}catch (Exception e){
e.printStackTrace();
}finally {
if(writer != null){
try {
writer.close();
}catch (Exception e){
e.printStackTrace();
}
}
}
}
httpsURLConnection.connect();
} catch (Exception e) {
Log.v("Ex", "1");
e.printStackTrace();
handleException(requestCode, e, parentActivity);
return null;
}
//---------------------READING THE RESPONSE---------------------------//
BufferedReader bReader = null;
try {
final String newSessionId = httpsURLConnection.getHeaderField("sessionId");
final int httpResponseCode = httpsURLConnection.getResponseCode();
Log.v("Req, Response codes", requestCode+", "+httpResponseCode);
if(httpResponseCode == 504 && !LegionUtils.isOnline(parentActivity)){
parentActivity.runOnUiThread(new Runnable() {
@Override
public void run() {
hideProgressDialog();
showOfflineDialog(parentActivity);
}
});
return null;
}
if (httpResponseCode == 401) {
parentActivity.runOnUiThread(new Runnable() {
@Override
public void run() {
hideProgressDialog();
}
});
return null;
} else if ((httpResponseCode == 400 || (httpResponseCode >= 500 && httpResponseCode <= 599)) && !(parentActivity instanceof CreateAccountActivity)) {
parentActivity.runOnUiThread(new Runnable() {
@Override
public void run() {
hideProgressDialog();
networkCallback.onFailure(requestCode, null);
}
});
return null;
} else if ((httpResponseCode >= 500 && httpResponseCode <= 599) && (parentActivity instanceof CreateAccountActivity)) {
parentActivity.runOnUiThread(new Runnable() {
@Override
public void run() {
networkCallback.onFailure(requestCode, null);
}
});
return null;
}
InputStream inputStream;
try {
inputStream = httpsURLConnection.getInputStream();
}catch (FileNotFoundException e){
e.printStackTrace();
inputStream = httpsURLConnection.getErrorStream();
}
if (inputStream != null) {
bReader = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"));
String inputLine;
final StringBuffer response = new StringBuffer();
while ((inputLine = bReader.readLine()) != null) {
response.append(inputLine);
}
bReader.close();
parentActivity.runOnUiThread(new Runnable() {
@Override
public void run() {
Log.v("RESPONSE " + requestCode, response.toString());
networkCallback.onSuccess(requestCode, response.toString(), newSessionId);
}
});
}
} catch (Exception e) {
Log.v("Ex", "2");
e.printStackTrace();
handleException(requestCode, e, parentActivity);
} finally {
try {
if (bReader != null) {
bReader.close();
}
} catch (Exception e) {
e.printStackTrace();
}
}
return null;
}
private void handleException(final int requestCode, Exception error, final Activity parentActivity) {
final String errorResponse;
if (error instanceof TimeoutException || error instanceof SocketTimeoutException || error instanceof UnknownHostException) {
errorResponse = "Your request has been timed out. Please try again later.";
} else if (error instanceof SSLException || error instanceof ConnectException) {
errorResponse = null;
parentActivity.runOnUiThread(new Runnable() {
@Override
public void run() {
hideProgressDialog();
showOfflineDialog(parentActivity);
}
});
} /*else if (error instanceof FileNotFoundException) {
errorResponse = "Invalid Request.\nPlease try again later.";
} */else if (error instanceof IOException) {
errorResponse = "Something went wrong. Please try again later.";
} else if (error instanceof JSONException) {
errorResponse = "Unexpected response.\nPlease try again later.";
} else {
errorResponse = null;
parentActivity.runOnUiThread(new Runnable() {
@Override
public void run() {
hideProgressDialog();
showOfflineDialog(parentActivity);
}
});
}
Log.v("FAILURE ERR RESPONSE " + requestCode, errorResponse + "");
parentActivity.runOnUiThread(new Runnable() {
@Override
public void run() {
networkCallback.onFailure(requestCode, errorResponse);
}
});
}