Errata for Java Network Programming

Changed Figure 2-3. It now reads: B 1 0 C 1 1 0 D 1 1 1 0 E 1 1 1 1 0

GET /javafaq/classes/animation.class HTTP/1.0 and the blank line that followed it.

methods." to "overloaded newInetAddressFactory() methods."

Para. 1, line 4 used to read: "we add a polymorphic newInetAddress() method" It now reads: "we add an overloaded newInetAddress() method"

comment block.

Code line 15 used to read: URL root = new URL(args[0]) It now reads URL root = new URL(args[i])

The code line 20 used to read: System.err.println(args[0] + " is not a parseable URL") It now reads: System.err.println(args[i] + " is not a parseable URL")

last three code fragments. They now read: Image myImage = getImage(getCodeBase(), "logo.gif"); Image myImage = getImage( getDocumentBase(), "logo.gif"); Image myImage = getImage( getDocumentBase(), "images/logo.gif");

closing parenthesis at the end. It now reads: play(getCodeBase(), "gong.au"));

extra closing parentheses. They now read: play(getDocumentBase(), getParameter("soundfile")); play (getDocumentBase(), "sounds/gong.au");

parentheses. They now read: getAudioClip(getCodeBase(), "gong.au"); getAudioClip (getDocumentBase(), "sounds/gong.au");

These two examples used to read: "statusAll" They now read: "statusID"

The second to last paragraph now reads: The Multihome applet redirects requests for http://www.siteA.com/somedirectory/somefile.html to requests for http://www.siteA.com/www.siteA.com/somedirectory/somefile.html, requests for http://www.siteB.com/somedirectory/somefile.html to requests for http://www.siteB.com/www.siteB.com/somedirectory/somefile.html, and so on.

In Example 7-3, the line used to read: theSocket = new Socket(host, i)</CODE> It now reads: theSocket = new Socket(theAddress, i)</CODE>

Example 7-7 used to read: theSocket = new Socket(host, i) It now reads: theSocket = new Socket(theAddress, i)

if (!s.getTcpNoDelay()) s.setTcpNoDelay() to if (!s.getTcpNoDelay()) s.setTcpNoDelay(true)

First code fragment used to read: if (s.getTcpNoLinger() != -1) ...... It now reads: s.getSoLinger

InterruptedIOException

static String theData; to static String theData = ""; in the first line of the class

String thisLine; to String thisLine = "";

try{ DatagramPacket dp = new DatagramPacket(buffer, buffer.length); It now reads: DatagramPacket dp = new DatagramPacket(buffer, buffer.length); try{

"If the buffer length is not specified, 512 bytes is used." to: "If the buffer length is not specified 65,507 bytes is used."

incoming = new DatagramPacket(buffer, buffer.length); while (true) { to while (true) { incoming = new DatagramPacket(buffer, buffer.length);

"protected static int defaultPort = 9;" to static { defaultPort = 13; }

"protected static int defaultPort = 9;" to static { defaultPort = 13; }

"protected static int defaultPort = 7;" to static { defaultPort = 7; }

"protected static int defaultPort = 13;" to static { defaultPort = 13; }

Changed buffer = new byte[65507]; to byte[] buffer = new byte[65507];

uc.getHeaderField("content-encoding")); to uc.getHeaderField("content-encoding"); That is, deleted the extra closing parenthesis.

one."

"The request above contains two name-value pairs, separated by ampersands." to "The request above contains two name-value pairs, separated by an ampersand."

sun.net.www.protocol.Handler to sun.net.www.protocol.protocol.Handler

sun.net.www.protocol.protocol.Handler It is no longer in italics.

"This method must be overridden in each subclass of <CODE>URLConnection</CODE>." to "This method must be overridden in each subclass of <CODE>URLStreamHandler</CODE>."

return text/plain; to return "text/plain;

The text used to read: "of the createURLStreamHandlerFactory interface" It now reads: "of the URLStreamHandlerFactory interface"

{311} Example 12-2: In the test() method, deleted "String theLine;"

Multicast Sockets" were reversed. "withMulticast Sockets" is now over the left half of the picture.

DatagramPacket dp = new DatagramPacket(buffer, buffer.length); Immediately after while (true) {; i.e. Now reads: while (true) { DatagramPacket dp = new DatagramPacket(buffer, buffer.length);

the left hand column to the right-hand column.

changed to "Stub".

"This is achieved with four polymorphic versions the static getRegistry()method." Now reads "This is achieved with four overloaded versions of the static getRegistry() method."