private RESTConfig getRESTConfig(final String endpoint) {
final String proxyHost = cfg.getProxyHost();
final int proxyPort = cfg.getProxyPort();
final boolean trustAllCerts = cfg.getTrustAllCerts();
return new RESTConfig(endpoint, proxyHost, proxyPort, trustAllCerts);
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
this.handleSpeechToText(request);
String speechContexts = cfg.getProperty("speechContexts");
request.setAttribute("xArg", cfg.getProperty("xArg", ""));
request.setAttribute("speechContexts", speechContexts.split(","));
request.setAttribute("fnames", this.audioFiles);
request.setAttribute("cfg", new ConfigBean());
final String forward = "WEB-INF/Speech.jsp";
RequestDispatcher dispatcher = request.getRequestDispatcher(forward);
dispatcher.forward(request, response);
}
public void init() {
try {
this.cfg = AppConfig.getInstance();
loadTemplateContent();
this.audioFiles = this.getAudioFileNames();
} catch (IOException e) {
// print stack trace instead of handling
e.printStackTrace();
}
}
private String[] getAudioFileNames() {
String audioFolder = cfg.getProperty("audioFolder");
String dir = getServletContext().getRealPath("/") + audioFolder;
File[] files = new File(dir).listFiles();
String[] fnames = new String[files.length];
for (int i = 0; i < files.length; ++i) {
fnames[i] = files[i].getName();
}
Arrays.sort(fnames);
return fnames;
}
private void handleSpeechToText(HttpServletRequest request) {
String speechContext = request.getParameter("SpeechContext");
request.setAttribute("mimeData", getMimeData());
request.getSession().setAttribute("sessionmimeData", getMimeData());
if (request.getParameter("SpeechToText") == null) {
if (speechContext != null) {
request.getSession().setAttribute("sessionContextName", speechContext);
} else {
request.getSession().setAttribute("sessionContextName", "GenericHints");
}
return;
}
try {
HttpSession session = request.getSession();
String xarg = cfg.getProperty("xArg");
session.setAttribute("sessionContextName", speechContext);
String endpoint = cfg.getFQDN() + cfg.getProperty("contextPath");
SpeechService srvc = new SpeechService(getRESTConfig(endpoint));
String fname = request.getParameter("audio_file");
session.setAttribute("sessionFileName", fname);
String audioFolder = cfg.getProperty("audioFolder");
File file = new File(getPath() + audioFolder + "/" + fname);
String[] attachments = new String[3];
attachments[0] =
new File(getPath() + "/" + cfg.getProperty("GenericHints.template")).getAbsolutePath();
attachments[1] =
new File(getPath() + "/" + cfg.getProperty("GrammarList.template")).getAbsolutePath();
attachments[2] = file.getAbsolutePath();
String mimeData = this.templateContent.get(speechContext);
session.setAttribute("sessionmimeData", mimeData);
OAuthToken token = getToken();
SpeechResponse response =
srvc.sendRequest(attachments, token.getAccessToken(), speechContext, xarg);
request.setAttribute("resultSpeech", response.getResult());
} catch (Exception e) {
e.printStackTrace();
request.setAttribute("errorSpeech", e.getMessage());
}
}
private OAuthToken getToken() throws RESTException {
try {
final AppConfig cfg = AppConfig.getInstance();
final String path = "WEB-INF/token.properties";
final String tokenFile = getServletContext().getRealPath(path);
OAuthToken token = OAuthToken.loadToken(tokenFile);
if (token == null || token.isAccessTokenExpired()) {
final String endpoint = cfg.getFQDN() + OAuthService.API_URL;
final String clientId = cfg.getClientId();
final String clientSecret = cfg.getClientSecret();
final OAuthService service =
new OAuthService(getRESTConfig(endpoint), clientId, clientSecret);
token = service.getToken(cfg.getProperty("scope"));
token.saveToken(tokenFile);
}
return token;
} catch (IOException ioe) {
throw new RESTException(ioe);
}
}
