Class PushServer


  • public final class PushServer
    extends java.lang.Object
    Push server implementation.
    Author:
    Christopher Mindus
    • Field Summary

      Fields 
      Modifier and Type Field Description
      static int DEFAULT_TTL
      Default Time-to-Live for Notifications in milliseconds: 24 days, extremely long time!
    • Constructor Summary

      Constructors 
      Constructor Description
      PushServer​(java.util.concurrent.ExecutorService executorService, java.lang.String vapidPublicKey, java.lang.String vapidPrivateKey, java.lang.String gcmApiKey, java.lang.String subject)
      Constructs the push server.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      IPushNotification createNotification​(IPushSubscription subscription, java.lang.String payloadMessage, int ttl, PushUrgency urgency, java.lang.String topic)
      Constructs a new notification instance for use with browsers and non-Apple devices.
      IPushSubscription createSubscription​(java.lang.String endPoint, java.lang.String p256dh, java.lang.String auth)
      Gets the subscription for a client used to later send a push notification.
      void push​(com.iizix.push.PushNotification notification)
      Adds a push notification to be sent to the client.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • DEFAULT_TTL

        public static final int DEFAULT_TTL
        Default Time-to-Live for Notifications in milliseconds: 24 days, extremely long time!
        See Also:
        Constant Field Values
    • Constructor Detail

      • PushServer

        public PushServer​(java.util.concurrent.ExecutorService executorService,
                          java.lang.String vapidPublicKey,
                          java.lang.String vapidPrivateKey,
                          java.lang.String gcmApiKey,
                          java.lang.String subject)
                   throws java.security.GeneralSecurityException
        Constructs the push server.
        Parameters:
        executorService - The executor service handling multi-threading depending on the CPU config and queued requests.
        vapidPublicKey - The VAPIC public key.
        vapidPrivateKey - The VAPIC private key.
        gcmApiKey - Google Cloud Messaging API key, or null for none.
        subject - The subject.
        Throws:
        java.lang.NullPointerException - If executorService, vapidPublicKey, vapidPrivateKey or subject is null.
        java.security.GeneralSecurityException - General security exception in case of errors.
    • Method Detail

      • createNotification

        public IPushNotification createNotification​(IPushSubscription subscription,
                                                    java.lang.String payloadMessage,
                                                    int ttl,
                                                    PushUrgency urgency,
                                                    java.lang.String topic)
        Constructs a new notification instance for use with browsers and non-Apple devices.
        Parameters:
        subscription - The subscription.
        payloadMessage - The payload message as plain text.
        ttl - The Time-to-Live in milliseconds of the message, zero or less for default 28 days = (2_419_200_000 milliseconds).
        urgency - The urgency of the notification.
        topic - The topic of the notification.
        Returns:
        A new notification instance.
        Throws:
        java.lang.NullPointerException - If subscription, payloadMessage or urgency is null.
      • createSubscription

        public IPushSubscription createSubscription​(java.lang.String endPoint,
                                                    java.lang.String p256dh,
                                                    java.lang.String auth)
        Gets the subscription for a client used to later send a push notification. The subscription can be stored in the IClientSessionGyro as it doesn't change for the client session.
        Parameters:
        endPoint - The end point URL String.
        p256dh - The key encoded as a Base64 String.
        auth - The authentication encoded as a Base64 String.
        Returns:
        The subscription for the client.
        Throws:
        java.security.spec.InvalidKeySpecException
        java.security.NoSuchProviderException
        java.security.NoSuchAlgorithmException
        java.lang.NullPointerException - If the endPoint is null.
        java.lang.IllegalArgumentException - If p256dh or auth is not in valid Base64 scheme or invalid p256dh key encoding.
      • push

        public void push​(com.iizix.push.PushNotification notification)
        Adds a push notification to be sent to the client. The notification will be done by the executor service as soon as possible.
        Parameters:
        notification - The notification to be sent.