static TokenInfo fromString(String val) {
String[] parts = val.split("-----");
TokenInfo info = new TokenInfo();
info.accessToken = parts[0];
info.expires = parts.length > 1 ? parts[1] : null;
return info;
}
// This method is called via a global method defined in AuthImpl.register()
@SuppressWarnings("unused")
void finish(String hash) {
TokenInfo info = new TokenInfo();
String error = null;
String errorDesc = "";
String errorUri = "";
// Iterate over keys and values in the string hash value to find relevant
// information like the access token or an error message. The string will be
// in the form of: #key1=val1&key2=val2&key3=val3 (etc.)
int idx = 1;
while (idx < hash.length() - 1) {
// Grab the next key (between start and '=')
int nextEq = hash.indexOf('=', idx);
if (nextEq < 0) {
break;
}
String key = hash.substring(idx, nextEq);
// Grab the next value (between '=' and '&')
int nextAmp = hash.indexOf('&', nextEq);
nextAmp = nextAmp < 0 ? hash.length() : nextAmp;
String val = hash.substring(nextEq + 1, nextAmp);
// Start looking from here from now on.
idx = nextAmp + 1;
// Store relevant values to be used later.
if (key.equals("access_token")) {
info.accessToken = val;
} else if (key.equals("expires_in")) {
// expires_in is seconds, convert to milliseconds and add to now
Double expiresIn = Double.valueOf(val) * 1000;
info.expires = String.valueOf(clock.now() + expiresIn);
} else if (key.equals("error")) {
error = val;
} else if (key.equals("error_description")) {
errorDesc = " (" + val + ")";
} else if (key.equals("error_uri")) {
errorUri = "; see: " + val;
}
}
if (error != null) {
lastCallback.onFailure(
new RuntimeException("Error from provider: " + error + errorDesc + errorUri));
} else if (info.accessToken == null) {
lastCallback.onFailure(new RuntimeException("Could not find access_token in hash " + hash));
} else {
setToken(lastRequest, info);
lastCallback.onSuccess(info.accessToken);
}
}
