private CvalInfo askLicenseServer(
String productName, String productKey, String productVersion, CvalInfo info)
throws UnreachableCvalServerException {
int majorVersion = computeMajorVersion(productVersion);
// If we have a valid license info here, it means that we got it from
// cache.
// We add a grace time when so as if the server is unreachable
// we allow the user to use the product.
if (info != null && info.getExpiredEpoch() != null && !"evaluation".equals(info.getType())) {
long ts = info.getExpiredEpoch().getTime() + GRACE_DAYS_MSECS;
info.setExpiredEpoch(new Date(ts));
}
boolean validCache =
info != null
&& info.isValidInfo(productName, productKey)
&& info.isValidVersion(majorVersion)
&& !info.isLicenseExpired();
// if we have a validCache we set the timeout smaller
int timeout = validCache ? 2000 : 10000;
try {
CvalInfo srvinfo =
parseJson(provider.askServer(productName + "-" + productVersion, productKey, timeout));
if (srvinfo != null
&& srvinfo.isValidInfo(productName, productKey)
&& srvinfo.isValidVersion(majorVersion)) {
// We always cache the info if it is valid although it is
// expired
cacheLicenseInfo(srvinfo);
info = srvinfo;
}
} catch (FileNotFoundException e) {
// 404
return null;
} catch (Exception e) {
if (info == null) {
throw new UnreachableCvalServerException(productName, e);
}
}
return info;
}
static String composeMessage(String title, String version, String key, CvalInfo info) {
String msg = "";
int majorVers = computeMajorVersion(version);
if (info != null && !info.isValidVersion(majorVers)) {
msg = getErrorMessage("invalid", title, majorVers);
} else if (info != null && info.getMessage() != null) {
msg = info.getMessage().replace("\\n", "\n");
} else if (info != null && info.isLicenseExpired()) {
String type = "evaluation".equals(info.getType()) ? "Evaluation license" : "License";
msg = getErrorMessage("expired", title, majorVers, type);
} else if (key == null) {
msg = getErrorMessage("none", title, majorVers);
} else {
msg = getErrorMessage("invalid", title, majorVers);
}
return msg;
}