/**
* Returns the ApnsService, based on the required profile (production VS sandbox/test). Null is
* returned if there is no "configuration" for the request stage
*/
private ApnsService buildApnsService(iOSVariant iOSVariant) {
// this check should not be needed, but you never know:
if (iOSVariant.getCertificate() != null && iOSVariant.getPassphrase() != null) {
final ApnsServiceBuilder builder = APNS.newService();
// add the certificate:
ByteArrayInputStream stream = new ByteArrayInputStream(iOSVariant.getCertificate());
builder.withCert(stream, iOSVariant.getPassphrase());
try {
// release the stream
stream.close();
} catch (IOException e) {
logger.log(Level.SEVERE, "Error reading certificate", e);
}
// pick the destination:
if (iOSVariant.isProduction()) {
builder.withProductionDestination();
} else {
builder.withSandboxDestination();
}
// create the service
return builder.build();
}
// null if, why ever, there was no cert/passphrase
return null;
}
/**
* Sends APNs notifications ({@link UnifiedPushMessage}) to all devices, that are represented by
* the {@link Collection} of tokens for the given {@link iOSVariant}.
*
* @param iOSVariant the logical construct, needed to lookup the certificate and the passphrase.
* @param tokens collection of tokens, representing actual iOS devices
* @param pushMessage the payload to be submitted
*/
public void sendPushMessage(
iOSVariant iOSVariant, Collection<String> tokens, UnifiedPushMessage pushMessage) {
// no need to send empty list
if (tokens.isEmpty()) {
return;
}
PayloadBuilder builder =
APNS.newPayload()
// adding recognized key values
.alertBody(pushMessage.getAlert()) // alert dialog, in iOS
.badge(pushMessage.getBadge()) // little badge icon update;
.sound(pushMessage.getSound()); // sound to be played by app
// apply the 'content-available:1' value:
if (pushMessage.isContentAvailable()) {
// content-available:1 is (with iOS7) not only used
// Newsstand, however 'notnoop' names it this way (legacy)...
builder = builder.forNewsstand();
}
builder = builder.customFields(pushMessage.getData()); // adding other (submitted) fields
final String apnsMessage = builder.build(); // build the JSON payload, for APNs
ApnsService service = buildApnsService(iOSVariant);
if (service != null) {
try {
logger.fine(String.format("Sending transformed APNs payload: '%s' ", apnsMessage));
// send:
service.start();
Date expireDate = createFutureDateBasedOnTTL(pushMessage.getTimeToLive());
service.push(tokens, apnsMessage, expireDate);
// after sending, let's ask for the inactive tokens:
final Set<String> inactiveTokens = service.getInactiveDevices().keySet();
// transform the tokens to be all lower-case:
final Set<String> transformedTokens = lowerCaseAllTokens(inactiveTokens);
// trigger asynchronous deletion:
clientInstallationService.removeInstallationsForVariantByDeviceTokens(
iOSVariant.getVariantID(), transformedTokens);
} catch (RuntimeException e) {
logger.log(Level.SEVERE, "Error sending messages to APN server", e);
} finally {
// tear down and release resources:
service.stop();
}
} else {
logger.severe("No certificate was found. Could not send messages to APNs");
}
}