public String readFile(DocumentName documentName) {
try {
PDocument pdocument = getPDocument(documentName, (long) 0);
InputSource source = pdocument.read();
Reader reader = source.getCharacterStream();
if (reader != null) {
return read(reader);
} else {
InputStream inputStream = source.getByteStream();
return stream(inputStream);
}
} catch (MDSIOException e) {
throw new IllegalArgumentException("Could not connect to MDS, check login data", e);
} catch (IOException e) {
throw new IllegalArgumentException("Could not read ", e);
}
}