public String readFromFile() {
String ret = "";
try {
InputStream inputStream = context.openFileInput("locations.json");
if (inputStream != null) {
InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
String receiveString = "";
StringBuilder stringBuilder = new StringBuilder();
while ((receiveString = bufferedReader.readLine()) != null) {
stringBuilder.append(receiveString);
}
inputStream.close();
ret = stringBuilder.toString();
}
} catch (FileNotFoundException ex) {
Log.e("login activity", "File not found: " + ex.toString());
} catch (IOException ex) {
Log.e("login activity", "Can not read file: " + ex.toString());
}
return ret;
}
private String transportHttpMessage(String message) {
URL serverurl;
HttpURLConnection connection;
try {
serverurl = new URL(this.ServerUrl);
connection = (HttpURLConnection) serverurl.openConnection();
connection.setDefaultUseCaches(false);
connection.setDoInput(true);
connection.setDoOutput(true);
connection.setRequestMethod("POST");
connection.setRequestProperty("content-type", "application/x-www-form-urlencoded");
} catch (Exception e) {
e.printStackTrace();
return null;
}
OutputStreamWriter outstream;
try {
outstream = new OutputStreamWriter(connection.getOutputStream(), "UTF-8");
outstream.write(message);
outstream.flush();
/*
PrintWriter writer = new PrintWriter(outstream);
writer.write(message);
writer.flush();
*/
outstream.close();
} catch (Exception e) {
e.printStackTrace();
return null;
}
StringBuilder strbuilder = new StringBuilder();
try {
InputStreamReader instream = new InputStreamReader(connection.getInputStream(), "UTF-8");
BufferedReader reader = new BufferedReader(instream);
String str;
while ((str = reader.readLine()) != null) strbuilder.append(str + "\r\n");
instream.close();
} catch (Exception e) {
e.printStackTrace();
return null;
}
connection.disconnect();
return strbuilder.toString();
}
public static String slurp(Reader r) {
StringBuilder rval = new StringBuilder();
try {
char[] buffer = new char[4 << 10];
while (true) {
int n = r.read(buffer, 0, buffer.length);
if (n < 1) break;
rval.append(buffer, 0, n);
}
} catch (IOException e) {
Log.e(LOG_TAG, "malfunction slurping stream", e);
}
return rval.toString();
}
/**
* Takes a string and adds to it, with a separator, if the bit to be added isn't null. Since the
* logger takes so many arguments that might be null, this method helps cut out some of the
* agonizing tedium of writing the same 3 lines over and over.
*
* @param source StringBuilder containing the text to append to.
* @param addStr The String to append
* @param delimiter The String to separate the source and appended strings. A tab or comma, for
* instance.
* @return The fully concatenated String as a StringBuilder
*/
private StringBuilder appendIfNotNull(StringBuilder source, String addStr, String delimiter) {
if (addStr != null) {
if (addStr.length() == 0) {
delimiter = "";
}
return source.append(addStr).append(delimiter);
}
return source;
}