December 2005
Intermediate to advanced
252 pages
8h 55m
English
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Chapter 8. Using the Java APIs
Starting in Mac OS X 10.3.9, new APIs enable Java software to advertise and discover services on the network using Zeroconf’s DNS Service Discovery. The same Java DNS-SD APIs are also available in Bonjour for Windows, Bonjour for Linux, Solaris, *BSD, etc., enabling Java software to make use of Zeroconf’s DNS Service Discovery across a wide range of platforms, not just on Mac OS X. In this chapter, you will take a quick look through the APIs, see short examples of how to register, browse for, add TXT records to, and resolve services, and finally see a complete example of using Java DNS-SD in a tic-tac-toe game.
Understanding the APIs
The com.apple.dnssd package exposes an abstract
factory class, DNSSD, used to create the various
types of DNSSDService objects, two classes used to
manipulate DNS records, a collection of interfaces that are implemented as appropriate
by client code to receive callback messages, and an exception:
Factory Class :
DNSSD
References to ongoing asynchronous operations :
DNSSDServiceDNSSDRegistration
DNS Record Classes:
DNSRecordTXTRecord
Callback Interface Classes , implemented by client:
BaseListenerRegisterListenerBrowseListenerResolveListenerDomainListenerQueryListener
DNSSD Error Exception:
DNSSDException
The pattern for using the APIs will most often consist of calling a
static method from the DNSSD factory class, passing in an instance of a class that implements the appropriate interface to receive callback ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.