JavaPNS 是一个 Java 库用来通过 Apple Push Notification 服务发送提醒。
功能：
Start sending notifications using a single line of code
Get started quickly with smart default settings
Easily switch between Apple's sandbox or production services
Use predefined simple notifications, or create custom and/or complex payloads
Benefit from the enhanced notification format
Send thousands of notifications using the built-in multithreaded transmission engine
Examine push notification results immediately and accurately
Query the Feedback Service with a single line of code to find inactive devices
Auto-resend notifications ignored by Apple servers after an error
Push notifications to Apple's Newsstand application with one line of code
Setup connection pools (queues) in no time
Use bundled command-line tools to test push notification and feedback
Rely on the library's strong error and exception management
Get started quickly thanks to the built-in safeguards against common mistakes
Build upon JavaPNS's developer-friendly API to extend its functionalities
Learn everything about the library through its complete and up-to-date javadoc
and much more!
主页：http://code.google.com/p/javapns/
下载：http://code.google.com/p/javapns/downloads/list
来自:开源中国社区
