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Previous Chapter

Colophon

Index

Symbols

.au format, downloading sounds in, Downloading Sounds

A

Abstract Windowing Toolkit (see AWT)

accept() (ServerSocket), Accepting and Closing Connections, public Socket accept( ) throws IOException

Activatable class, The Server Side, The RemoteServer Class

ActivationGroup class, The RemoteServer Class

addAttribute() (MutableAttributeSet), Attributes

addBodyPart() (Multipart), Multipart Messages and File Attachments

addFrom() (Message), The From address

addHandshakeCompletedListener(), Event Handlers

addHeader() (Part), Headers

addHeaderLine() (MimeMessage), MIME Messages

addImage() (MediaTracker), public void addImage(Image image, int id)

addRecipients() (Message), The recipient addresses

Address class, The Address Class

agents, Searching the Web

AIFF format, downloading sounds in, Downloading Sounds

allowUserInteraction field (URLConnection), allowUserInteraction

American Registry for Internet Numbers (ARIN), Networks

appendMessages() (Folder), Managing Messages in Folders

Applet class, The Network Methods of java.applet.Applet

AppletContext interface, Using java.applet.Applet to Download Data

image formats and, public Image getImage(URL u)
network methods of, Network Methods of java.applet.AppletContext, Network Methods of java.applet.AppletContext

applets, Where Do Applets and Classes Come from?

animator, example program, public boolean waitForAll( ) throws InterruptedException, public boolean waitForAll( ) throws InterruptedException
client for remote object, example program, An Applet Client for a Remote Object
content handlers and, What Is a Content Handler?, Installing Content Handler Factories
context of, accessing, Network Methods of java.applet.AppletContext
for displaying URLs, example program, public URL getDocumentBase( )
email, sending from, Sending Email from an Applet, Sending Email from an Applet
multicast sockets and, Working with Multicast Sockets
networks and, The Network Methods of java.applet.Applet, Network Methods of java.applet.AppletContext
security and, Security: Who Can an Applet Talk to and What Can It Say?
stubs and, The RMISecurityManager Class

AppletStub interface, Using java.applet.Applet to Download Data

application layer, The Application Layer

ARIN (American Registry for Internet Numbers), Networks

ASN keyword, Whois

asymmetric encryption, Secure Communications

AttributeSet interface, Attributes

audio (see sounds)

audio clips, downloading, public static final AudioClip newAudioClip(URL url) // Java 1.2

AudioClip interface, public AudioClip getAudioClip(URL u)

authentication, The Authenticator Class, The JPasswordField Class

dialog, example programs, The JPasswordField Class, The JPasswordField Class

email passwords, Password Authentication, Password Authentication

, Password Authentication

(see also passwords)

Authenticator class, The Authenticator Class, Password Authentication

email, receiving, Receiving Mail

available()

InputStream class, Input Streams
PushbackInputStream class, PushbackInputStream

AWT (Abstract Windowing Toolkit), Callbacks

B

bind()

Naming class, public static void bind(String url, Remote object) throws RemoteException, AlreadyBoundException, MalformedURLException, AccessException
Registry interface, The Registry Interface

BITPIX keyword, A Content Handler for an Image Format: image/x-fits

blocks, synchronized, Synchronized Blocks, Synchronized Blocks

breaksFlow() (Tag), HTML.Tag

broadcasting, What Is a Multicast Socket?

BufferedReader class, Buffered readers and writers

BufferedWriter class, Buffered readers and writers

buffering

client sockets and, SO_RCVBUF
data, Output Streams
readers/writers, Buffered readers and writers, Buffered readers and writers
streams, Output Streams, Buffered Streams, Buffered Streams

C

callbacks, Callbacks, Callbacks

case sensitivity, HTML in Swing, HTML on Components

CGI (Common Gateway Interface), CGI, CGI, Writing Data to a Server, Remote Method Invocation

communicating with, URLEncoder, Communicating with CGIs and Servlets Through GET, Communicating with CGIs and Servlets Through GET, Writing Data to a Server, Writing Data to a Server

character sets, Readers and Writers

multibyte, PrintWriter

characters in URLs, converting, URLEncoder, URLDecoder

chargen protocol, writing handler for, A chargen Protocol Handler, A chargen Protocol Handler

Charlotte project, Massively parallel computing

chat rooms, Chat

checkAll() (MediaTracker), public boolean checkAll( )

checkID() (MediaTracker), public boolean checkID(int id)

checkImage() (ImageObserver), The ImageObserver Interface

cipher suites

authentication, not requiring, Creating Secure Server Sockets
JSSE supported, Choosing the Cipher Suites
SSLServerSocket class, Choosing the Cipher Suites
SSLSocket class, Choosing the Cipher Suites, Choosing the Cipher Suites

CipherInputStream class, Encrypting Streams

CipherOutputStream class, Encrypting Streams

classes, Where Do Applets and Classes Come from?

applets and, The Network Methods of java.applet.Applet, Network Methods of java.applet.AppletContext

authentication and, The Authenticator Class, The JPasswordField Class, Methods of the SSLSocket Class, Client Mode

callbacks and, Callbacks

compression/decompression, Compressing Streams

content handlers and, The ContentHandler Class, Choosing Return Types

datagrams and, The DatagramPacket Class, SO_SNDBUF

deadlock and, Deadlock

email and, What Is the JavaMail API?, Utility Methods

encryption and, Methods of the SSLSocket Class, Client Mode

HTML, parsing, HTMLEditorKit.Parser, Attributes

immutability and, Alternatives to Synchronization

input, Input Streams, Marking and Resetting

of IP addresses, Internet Address Classes, Internet Address Classes

IP addresses and, DNS, IP Addresses, and All That, public String toString( )

loading at runtime, Loading Classes at Runtime, An Application Client for a Remote Object

multicast, Working with Multicast Sockets, public int getTimeToLive( ) throws IOException // Java 1.2

network, The Layers of a Network

polymorphism and, Output Streams

protocol handlers and, The URLStreamHandler Class, A Method for Connecting

readers/writers, Readers and Writers, PrintWriter

reading/writing data types, Data Streams, Data Streams

retrieving data with URLs, The URL Class, URLDecoder

RMI and, The java.rmi Package, Exceptions

sockets

client, The Socket Class, SO_KEEPALIVE, Creating Secure Client Sockets, Creating Secure Client Sockets
server, The ServerSocket Class, Protected final void implAccept(Socket s) throws IOException, Creating Secure Server Sockets, Client Mode

streams, encrypting, Encrypting Streams

synchronization and, Synchronized Blocks

URLs and, The URLConnection Class, JarURLConnection

client/server model, The Client/Server Model, The Client/Server Model

clients, What Can a Network Program Do?

applet for remote object, example programs, An Applet Client for a Remote Object
application for remote object, example programs, An Application Client for a Remote Object, An Application Client for a Remote Object
downloading objects from servers, Loading Classes at Runtime
email, example programs, Parsing Methods, Searching Folders, Searching Folders
multicasting and, Clients and Servers
POP, example program, Password Authentication
POP3, example program, Receiving Mail
RMI, implementing, The Client Side, The Client Side, Running the Client
sockets for, Sockets for Clients, Socket Exceptions
testing with server, example program, Client Tester, Client Tester

clone() (UnicastRemoteObject), The UnicastRemoteObject Class

close()

DatagramSocket class, public void close( )
Folder class, Receiving Mail, Opening Folders
MulticastSocket class, Working with Multicast Sockets
OutputStream class, Output Streams
ServerSocket class, public void close( ) throws IOException
Socket class, public synchronized void close( ) throws IOException

code base, applet displaying, public URL getCodeBase( )

com.sun.mail.imap.IMAPStore package, What Is the JavaMail API?

com.sun.net.ssl package, Secure Communications

Common Gateway Interface (see CGI)

Common Object Request Broker Architecture (CORBA), Object Serialization

compressing streams, Compressing Streams

connect()

Store class, Receiving Mail
URLConnection class, Opening URLConnections

connected field (URLConnection), connected

connection trees, What Is a Multicast Socket?

constants

ImageObserver interface, The ImageObserver Constants
MediaTracker class, Checking the Status of Media

constructing HTML interfaces, Constructing HTML User Interfaces on the Fly

constructors

ContentHandler class, The ContentHandler Class
DatagramPacket class, The Constructors, Constructors for sending datagrams
DatagramSocket class, The Constructors, public DatagramSocket(int port, InetAddress address) throws SocketException
InternetAddress class, The InternetAddress Class
JEditorPane class, JEditorPane
MediaTracker class, The Constructor
Message class, Creating Messages
MulticastSocket class, The Constructors
NewsAddress class, The NewsAddress Class
RemoteServer class, Constructors
ServerSocket class, The Constructors, public ServerSocket(int port, int queueLength, InetAddress bindAddress) throws BindException, IOException
Socket class, The Socket Class, SO_KEEPALIVE
UnicastRemoteObject class, The UnicastRemoteObject Class
URLConnection class, Opening URLConnections
URLName class, The Constructors
URLStreamHandler class, The URLStreamHandler Class

containsAttributes() (AttributeSet), Attributes

content handlers, Content Handlers, What Is a Content Handler?

example programs, A Content Handler for Tab-Separated Values, Using Content Handlers, Installing Content Handler Factories, A Content Handler for an Image Format: image/x-fits, A Content Handler for an Image Format: image/x-fits

time protocol, Choosing Return Types

for image files, A Content Handler for an Image Format: image/x-fits, A Content Handler for an Image Format: image/x-fits

MIME types and, What Is a Content Handler?

return types, choosing, Choosing Return Types, Choosing Return Types

for tab-separated-values content type, A Content Handler for Tab-Separated Values, A Content Handler for Tab-Separated Values

URLConnection class, Content Handlers, ContentHandlerFactory

using in programs, Using Content Handlers, Using Content Handlers

ContentHandler class, Content Handlers, The ContentHandler Class

methods, What Is a Content Handler?

ContentHandlerFactory interface, What Is a Content Handler?

method, The createContentHandler( ) Method, The createContentHandler( ) Method

ContentHandlerFactory() (URLConnection), ContentHandlerFactory

converting URLs, relative to absolute, Attributes, Attributes

COORDS keyword, A Content Handler for an Image Format: image/x-fits

copyAttributes() (AttributeSet), Attributes

copyMessages() (Folder), Managing Messages in Folders

CORBA (Common Object Request Broker Architecture), Object Serialization

create() (Folder), Managing Folders

createContentHandler() (ContentHandlerFactory), What Is a Content Handler?, The createContentHandler( ) Method, The createContentHandler( ) Method

createRegistry() (LocateRegistry), The LocateRegistry Class

createServerSocket() (SSLServerSocket), Creating Secure Server Sockets

createSocket() (SSLFactorySocket), Creating Secure Client Sockets

createURLStreamHandler()

URLConnection class, What Is a Protocol Handler?
URLStreamHandlerFactory interface, The URLStreamHandlerFactory Interface

creating

sockets

secure client, Creating Secure Client Sockets, Creating Secure Client Sockets
secure server, Creating Secure Server Sockets, Creating Secure Server Sockets

URLs, Creating New URLs, Other sources of URL objects

D

data

buffering, Output Streams

displaying, Retrieve Data and Display It, Repeatedly Retrieve Data

multicast, Clients and Servers

reading from servers, Reading Data from a Server

receiving, example program, public int getOffset( ) // Java 1.2

retrieving, Retrieve Data and Display It, Repeatedly Retrieve Data

from URLs, Retrieving Data from a URL, public final Object getContent(Class[ ] classes) throws IOException // Java 1.3
with URLs, Retrieving Data with URLs, The JPasswordField Class

sending, Send Data, Smart forms

with POST, Writing Data to a Server

writing to servers, Writing Data to a Server, Writing Data to a Server

data streams, Data Streams, Data Streams

data types, Output Streams

reading/writing, Data Streams

databases

content handlers and, A Content Handler for Tab-Separated Values
interface to, example program, The Remote Interface

DatagramPacket class, The UDP Protocol

constructors, The Constructors, Constructors for sending datagrams
methods, The get Methods, public void setLength(int length)

datagrams, The Internet Layer, Sockets for Clients

(see also UDP)

receiving, Sending and Receiving Datagrams, public int getLocalPort( )

constructors for, Constructors for receiving datagrams

sending, Sending and Receiving Datagrams, public int getLocalPort( )

constructors for, Constructors for sending datagrams

TTL value, What Is a Multicast Socket?, Clients and Servers

unused at socket close, SO_LINGER

DatagramSocket class, The UDP Protocol, The DatagramSocket Class

constructors, The Constructors, public DatagramSocket(int port, InetAddress address) throws SocketException
methods, Sending and Receiving Datagrams, SO_SNDBUF

DatagramSocket() (DatagramSocket), public DatagramSocket( ) throws SocketException

DataInputStream class, Data Streams

DataOutputStream class, Data Streams

daytime program, example server program, UDPServer

daytime protocol

example program, public InputStream getInputStream( ) throws IOException
server running, example program, public Socket accept( ) throws IOException
writing handler for, A daytime Protocol Handler, A daytime Protocol Handler

deadlock, Deadlock

defaultAllowUserInteraction field (URLConnection), defaultAllowUserInteraction

defaultUseCaches field (URLConnection), defaultUseCaches

DeflaterOutputStream class, Compressing Streams

DELETE (HttpURLConnection), DELETE

delete() (Folder), Managing Folders

dialog box, authentication, example programs, The JPasswordField Class, The JPasswordField Class

DigestInputStream class, Digest Streams

DigestOutputStream class, Digest Streams

digital signatures, returning, JarURLConnection

disconnect() (DatagramSocket), public void disconnect( ) // Java 1.2

displaying

code base, applet for, public URL getCodeBase( )
data, Retrieve Data and Display It, Repeatedly Retrieve Data
document base, applet for, public URL getCodeBase( )
Fibonacci numbers, example program, Constructing HTML User Interfaces on the Fly
images, example program, public Image getImage(URL u)
URLs, example program, public URL getDocumentBase( )
web pages, example program, JEditorPane

DNS (Domain Name System), DNS, IP Addresses, and All That, DNS, IP Addresses, and All That

RFC about, IETF RFCs

document base, applet displaying, public URL getDocumentBase( )

documents

collaborating on, Collaboration
modified, checking, ifModifiedSince

doInput field (URLConnection), doInput

Domain keyword, Whois

Domain Name System (see DNS)

doOutput field (URLConnection), doOutput

downloading

audio clips, public static final AudioClip newAudioClip(URL url) // Java 1.2

images

applet for, Downloading Images, public Image getImage(URL path, String filename)
error checking, public boolean isErrorAny( )

monitoring process of

ImageObserver interface, The ImageObserver Interface, The ImageObserver Constants
MediaTracker class, The MediaTracker Class, Removing Images from MediaTrackers

sounds, Downloading Sounds, public static final AudioClip newAudioClip(URL url) // Java 1.2

via relative URLs, example program, public AudioClip getAudioClip(URL url, String filename)

URL objects, example program, public final Object getContent( ) throws IOException

web pages, example programs, public final InputStream openStream( ) throws IOException, Reading Data from a Server

E

e-commerce, Electronic Commerce, Electronic Commerce

echo protocol

client

example program, public OutputStream getOutputStream( ) throws IOException
implementing with UDP, A UDP Echo Client, A UDP Echo Client

server, example program, UDPServer

email, The JavaMail API, What Is the JavaMail API?

addresses, Addresses, The NewsAddress Class

attachments, Multipart Messages and File Attachments, Multipart Messages and File Attachments

creating, The Message Class

event handling, Event Handling, Event Handling

flags, Flags, Flags

folders, Folders, Folders, Flags

format of, RFC about, IETF RFCs

headers, Basic Header Info, Saving changes

parts of, Attributes

password authentication, Password Authentication, Password Authentication

receiving, Receiving Mail, Receiving Mail

sending, Sending Email, Sending Email

from applets, Sending Email from an Applet, Sending Email from an Applet

URLs and, The URLName Class, Parsing Methods

encode() (URLEncoder), URLEncoder, URLDecoder

encryption, Secure Communications

asymmetric, Secure Communications
streams, Encrypting Streams, Encrypting Streams

END keyword, A Content Handler for an Image Format: image/x-fits

equals()

Address class, The Address Class
InetAddress class, public boolean equals(Object o)
InternetAddress class, The InternetAddress Class
NewsAddress class, The NewsAddress Class
Object class, public boolean equals(Object o)
RemoteObject class, The RemoteObject Class
URLName class, Parsing Methods
URLStreamHandler class, Protected boolean equals(URL u1, URL u2) // Java 1.3

event handlers, secure sockets and, Event Handlers

exceptions

datagrams and, public DatagramSocket(int port) throws SocketException, public void connect(InetAddress host, int port) // Java 1.2
input/output and, Output Streams
IP addresses and, Creating New InetAddress Objects
network connections and, PrintStream is evil and network programmers shouldavoid it like the plague
race conditions and, Race Conditions
remote, Remote Exceptions, Remote Exceptions
RMI and, An Application Client for a Remote Object, Exceptions
sockets and, public Socket(String host, int port) throws UnknownHostException, IOException, public Socket(String host, int port, InetAddress interface, int localPort) throws IOException, Socket Exceptions, public ServerSocket(int port) throws IOException, BindException, public ServerSocket(int port, int queueLength) throws IOException, BindException
thread scheduling and, Sleeping

exists() (Folder), Opening Folders

Expand keyword, Whois

exportObject() (UnicastRemoteObject), The Server Side, The UnicastRemoteObject Class

expunge() (Folder), Managing Messages in Folders

Extensible Markup Language (XML), HTML, SGML, and XML

F

fetch() (Folder), Getting Messages from Folders

Fibonacci numbers, example programs, Constructing HTML User Interfaces on the Fly, The Server Side

File Transfer Protocol (FTP), RFC about, IETF RFCs

FileNameMap() (URLConnection), Configuring the Connection

files

binary, downloading, public int getContentLength( )
deleting, from URLs, DELETE
gzipping, example programs, Thread Pools, Thread Pools
image, content handler for, A Content Handler for an Image Format: image/x-fits, A Content Handler for an Image Format: image/x-fits
modified, checking, ifModifiedSince
pointed to by URLs, Protected boolean sameFile(URL u1, URL u2) // Java 1.3
putting on web servers, PUT
sending from HTTP server, example program, A single-file server, A single-file server
storing, File storage
URL objects pointing to, testing, public boolean sameFile(URL other)

filter streams, Filter Streams, Chaining Filters Together

finalize() (Folder), Utility Methods

finger, Finger

client, example program, Finger
writing protocol handler for, Writing a Protocol Handler, Writing a Protocol Handler

firewalls, Firewalls

FITS (Flexible Image Transport System) files

content handler for, A Content Handler for an Image Format: image/x-fits, A Content Handler for an Image Format: image/x-fits
keywords in, A Content Handler for an Image Format: image/x-fits

flush()

OutputStream class, Output Streams
ParserCallback class, HTMLEditorKit.ParserCallback

Folder class, Folders, Searching Folders, Event Handling

FolderListener interface, Event Handling

forms

compared to Java network programming, Retrieve Data and Display It, Send Data, Electronic Commerce, HTML on Components
posting, Writing Data to a Server

FTP (File Transfer Protocol), RFC about, IETF RFCs

Full keyword, Whois

full-duplex connections, Socket Basics

G

games, Games

Gateway keyword, Whois

GET (URL), CGI and, CGI, URLEncoder, Communicating with CGIs and Servlets Through GET, Communicating with CGIs and Servlets Through GET, doOutput, Writing Data to a Server

getAddress()

DatagramPacket class, public InetAddress getAddress( )
InetAddress class, Other sources of InetAddress objects, public byte[ ] getAddress( )
InternetAddress class, The InternetAddress Class

getAllByName() (InetAddress), public static InetAddress[ ] InetAddress.getAllByName (String hostName) throws UnknownHostException

getAllHeaderLines() (MimeMessage), MIME Messages

getAllHeaders() (Part), Headers

getAllowUserInteraction() (URLConnection), Configuring the Connection, allowUserInteraction

getAllRecipients() (Message), The recipient addresses

getAppletContext() (AppletContext), Network Methods of java.applet.AppletContext

getAttributeCount() (AttributeSet), Attributes

getAttributeNames) (AttributeSet), Attributes

getAudioClip() (Applet), public AudioClip getAudioClip(URL u), public AudioClip getAudioClip(URL url, String filename)

getAuthority() (URL), public string getAuthority( ) // Java 1.3

getBodyPart() (Multipart), Multipart Messages and File Attachments

getByName() (InetAddress), public static InetAddress InetAddress.getByName(String hostName) throws UnknownHostException

getCertificates() (JarURLConnection), JarURLConnection

getClientHost() (RemoteServer), Getting information about the client

getCodeBase()

Applet class, public URL getCodeBase( )
getAudioClip() and, public AudioClip getAudioClip(URL url, String filename)
getImage() and, public Image getImage(URL path, String filename)
play() and, public void play(URL url, String filename)
URL class, Other sources of URL objects

getContent()

ContentHandler class, What Is a Content Handler?, The ContentHandler Class, Choosing Return Types
Part interface, Reading the contents of the part
URL class, public final Object getContent( ) throws IOException, public final Object getContent(Class[ ] classes) throws IOException // Java 1.3, Using Content Handlers
URLConnection class, public Object getContent( ) throws IOException, What Is a Protocol Handler?, Using Content Handlers

getContentEncoding() (URLConnection), public String getContentEncoding( )

getContentID() (MimeMessage), MIME Messages

getContentLanguage() (MimeMessage), MIME Messages

getContentLength() (URLConnection), public int getContentLength( )

getContentType()

Multipart class, Multipart Messages and File Attachments
Part interface, Reading the contents of the part
URLConnection class, public String getContentType( )

getCount() (Multipart), Multipart Messages and File Attachments

getData() (DatagramPacket), public byte[ ] getData( )

getDataHandler() (Part), Reading the contents of the part

getDate() (URLConnection), public long getDate( )

getDefault()

SSLFactorySocket class, Creating Secure Client Sockets
SSLServerSocketFactory class, Creating Secure Server Sockets

getDefaultAllowUserInteraction() (URLConnection), Configuring the Connection

getDefaultPort() (URLStreamHandler), Protected int getDefaultPort( ) // Java 1.3

getDefaultUseCaches() (URLConnection), Configuring the Connection

getDescription() (Part), Attributes

getDisposition() (Part), Attributes

getDocumentBase()

Applet class, public URL getDocumentBase( )
getAudioClip() and, public AudioClip getAudioClip(URL url, String filename)
getImage() and, public Image getImage(URL path, String filename)
play() and, public void play(URL url, String filename)
URL class, Other sources of URL objects

getDoOutput() (URLConnection), Configuring the Connection

getEnabledCipherSuites() (SSLSocket), Choosing the Cipher Suites

getEnableSessionCreation() (SSLSocket), Session Management

getEncoding() (MimeMessage), MIME Messages

getEntryName() (JarURLConnection), JarURLConnection

getErrorsAny() (MediaTracker), public Object[ ] getErrorsAny( )

getErrorsID() (MediaTracker), public Object[ ] getErrorsID(int id)

getExpiration() (URLConnection), public long getExpiration( )

getFile()

URL class, public String getFile( )
URLName class, Parsing Methods

getFileName() (Part), Attributes

getFileNameMap() (URLConnection), Configuring the Connection

getFlags() (Message), Flags

getFolder()

Folder class, Opening Folders
Message class, Folders
Store class, Receiving Mail

getFrom() (Message), The From address

getFullName() (Folder), Basic Folder Info

getHeader() (MimeMessage), MIME Messages

getHeaderField() (URLConnection), public String getHeaderField(String name)

getHeaderFieldDate() (URLConnection), public long getHeaderFieldDate(String name, long default)

getHeaderFieldInt() (URLConnection), public int getHeaderFieldInt(String name, int default)

getHeaderFieldKey() (URLConnection), public String getHeaderFieldKey(int n)

getHeight() (ImageObserver), The ImageObserver Interface

getHost()

NewsAddress class, The NewsAddress Class
URL class, public String getHost( )
URLName class, Parsing Methods

getHostAddress()

InetAddress class, public String getHostAddress( )
URLStreamHandler class, Protected InetAddress getHostAddress(URL u) // Java 1.3

getHostName() (InetAddress), public String getHostName( )

getIfModifiedSince() (URLConnection), Configuring the Connection

getImage()

Applet class, Downloading Images, public Image getImage(URL path, String filename)
MediaTracker class, Waiting for Media to Load

getInetAddress()

DatagramSocket class, public InetAddress getInetAddress( ) // Java 1.2
InetAddress class, Other sources of InetAddress objects
ServerSocket class, public InetAddress getInetAddress( )
Socket objects, public InetAddress getInetAddress( )

getInputStream()

Part interface, Reading the contents of the part
Socket class, public InputStream getInputStream( ) throws IOException
URLConnection class, What Is a Protocol Handler?

getInstance()

Cipher object, Encrypting Streams
Session class, Sending Email

getInterface() (MulticastSocket), public InetAddress getInterface( ) throws SocketException

getJarEntry() (JarURLConnection), JarURLConnection

getJarFile() (JarURLConnection), JarURLConnection

getJarFileURL() (JarURLConnection), JarURLConnection

getLastModified() (URLConnection), public long getLastModified( )

getLineCount() (Part), Attributes

getLocalAddress()

InetAddress class, Other sources of InetAddress objects
InternetAddress class, The InternetAddress Class
Socket class, public InetAddress getLocalAddress( )

getLocalHost() (InetAddress), public static InetAddress InetAddress.getLocalHost( ) throws UnknownHostException

getLocalPort()

DatagramSocket class, public int getLocalPort( )
ServerSocket class, public int getLocalPort( )
Socket class, public int getLocalPort( )

getMatchingHeaderLines() (MimeMessage), MIME Messages

getMessage() (Folder), Getting messages from folders, Getting Messages from Folders

getMessageCount() (Folder), Checking for Mail

getMessageNumber()

Folder class, Managing Messages in Folders
Message class, Folders

getMode() (Folder), Basic Folder Info

getName() (Folder), Basic Folder Info

getNewMessageCount()

Folder class, Checking for Mail

getNewMessageCount() (Folder), Checking for Mail

getNewsgroup() (NewsAddress), The NewsAddress Class

getOutputStream()

Socket class, public OutputStream getOutputStream( ) throws IOException, public OutputStream getOutputStream( ) throws IOException
SSLSocket class, Creating Secure Client Sockets
URLConnection class, What Is a Protocol Handler?

getParent() (Folder), Basic Folder Info

getParser() (Parser), HTMLEditorKit.Parser

getPassword() (URLName), Parsing Methods

getPasswordAuthentication() (Authenticator), Password Authentication

getPath() (URL), public String getPath( ) // Java 1.3

getPermanentFlags() (Folder), Flags

getPersonal() (InternetAddress), The InternetAddress Class

getPort()

DatagramPacket class, public int getPort( )
DatagramSocket class, public int getPort( ) // Java 1.2
Socket class, public int getPort( )
URL class, public int getPort( )
URLName class, Parsing Methods

getProperty() (ImageObserver), The ImageObserver Interface

getProtocol()

URL class, public String getProtocol( )
URLName class, Parsing Methods

getQuery() (URL), public string getQuery( ) // Java 1.3

getReceiveBufferSize()

DatagramSocket class, SO_RCVBUF
Socket class, SO_RCVBUF

getReceivedDate() (Message), The date of the message

getRecipients() (Message), The recipient addresses

getRef()

RemoteObject class, The RemoteObject Class
URL class, public string getRef( )
URLName class, Parsing Methods

getRegistry() (LocateRegistry), The LocateRegistry Class

getReplyTo() (Message), The Reply-to address

getResolveParent() (AttributeSet), Attributes

getSecurityContext() (RMISecurityManager), public Object getSecurityContext( )

getSendBufferSize()

DatagramSocket class, SO_SNDBUF
Socket class, SO_SNDBUF

getSentDate() (Message), The date of the message

getSeparator() (Folder), Basic Folder Info

getSession() (SSLSocket), Session Management

getSize() (Part), Attributes

getSoLinger() (Socket), SO_LINGER

getSoTimeout()

DatagramSocket class, SO_TIMEOUT
ServerSocket class, public int getSoTimeout( ) throws IOException

getStore()

Folder class, Basic Folder Info
Session class, Receiving Mail

getSubject() (Message), The subject of the message

getSupportedCipherSuites() (SSLSocket), Choosing the Cipher Suites

getSystemResource() (URL), Other sources of URL objects

getTimeToLive() (MulticastSocket), public int getTimeToLive( ) throws IOException // Java 1.2

getTTL() (MulticastSocket), public int getTimeToLive( ) throws IOException // Java 1.2

getType()

Address class, The Address Class
Folder class, Basic Folder Info
InternetAddress class, The InternetAddress Class
NewsAddress class, The NewsAddress Class

getUnreadMessageCount() (Folder), Checking for Mail

getURL() (URLConnection), Configuring the Connection

getURLName() (Folder), Basic Folder Info

getUseCaches() (URLConnection), Configuring the Connection

getUseClientMode() (SSLSocket), Client Mode

getUserInfo() (URL), public string getUserInfo( ) // Java 1.3

getUsername() (URLName), Parsing Methods

getWidth() (ImageObserver), The ImageObserver Interface

GIF format, downloading images in, public Image getImage(URL u)

Group keyword, Whois

guessContentTypeFromName() (URLConnection), Guessing MIME Types

guessContentTypeFromStream() (URLConnection), Guessing MIME Types

GZIPInputStream class, Compressing Streams

GZIPOutputStream class, Compressing Streams

gzipping files, example programs, Thread Pools, Thread Pools

H

Handle keyword, Whois

handshakeCompleted() (HandshakeCompletedListener), Event Handlers

HandshakeCompletedEvent class, Event Handlers

HandshakeCompletedListener interface, Event Handlers

hashCode()

InetAddress class, public int hashCode( )
InternetAddress class, The InternetAddress Class
NewsAddress class, The NewsAddress Class
Object class, public int hashCode( )
RemoteObject class, The RemoteObject Class
URLName class, Parsing Methods
URLStreamHandler class, Protected int hashCode(URL u) // Java 1.3

hasNewMessages() (Folder), Checking for Mail

HEAD (HttpURLConnection), HEAD

headers

datagrams, Sockets for Clients

email, Basic Header Info, Saving changes, Headers

example program for reading, The date of the message

IP, TTL field, Clients and Servers

MIME, Reading the Header, HEAD

commands supported, listing, OPTIONS
configuring client request, Configuring the Client Request MIME Header, Configuring the Client Request MIME Header
fields in, Retrieving Specific MIME Header Fields, public int getHeaderFieldInt(String name, int default)
inspecting, The URLConnection Class
tracing, TRACE

Host keyword, Whois

host-to-network layer, The Host-to-Network Layer

hostnames, IP addresses and

comparing, public static InetAddress InetAddress.getByName(String hostName) throws UnknownHostException
example conversion program, HostLookup, HostLookup

hosts, Networks, DNS, IP Addresses, and All That

hostsEqual() (URLStreamHandler), Protected boolean hostsEqual(URL u1, URL u2) // Java 1.3

HotJava

content handlers and, Content Handlers
protocols supported by, Creating New URLs

HTML (Hypertext Markup Language), Basic Web Concepts, HTML, SGML, and XML

attributes, Attributes

class, HTML.Tag, HTML.Tag

Fibonacci numbers, displaying in, Constructing HTML User Interfaces on the Fly

in JLabel, HTML on Components

parsing, HTML.Tag

in Swing

attributes, listing, Attributes, Attributes
case sensitivity, HTML on Components
components, HTML on Components , HTML on Components
hyperlinks, handling, Handling Hyperlinks, Handling Hyperlinks
interfaces, constructing, Constructing HTML User Interfaces on the Fly
parsing HTML, Parsing HTML, Attributes
reading HTML, Reading HTML Directly
rendering HTML, JEditorPane, Reading HTML Directly

tags

attributes, determining, Attributes, Attributes
example programs for stripping, HTMLEditorKit.ParserCallback, HTML.Tag

HTTP (Hypertext Transfer Protocol), Basic Web Concepts, HTTP, HTTP

authentication, Accessing Password-Protected Sites

response codes, HTTP, HTTP

table of, Handling Server Responses, Handling Server Responses

response codes, example program, Handling Server Responses

RFC about, IETF RFCs

servers (see HTTP servers)

HTTP servers, HTTP Servers

files, sending, A single-file server, A single-file server

full-fledged, A full-fledged HTTP server

example programs, A full-fledged HTTP server, A full-fledged HTTP server

MIME headers, Reading the Header

fields in, Retrieving Specific MIME Header Fields, public int getHeaderFieldInt(String name, int default)
sent by, inspecting, The URLConnection Class

redirecting requests, example program, A redirector, A redirector

responses from, handling, Handling Server Responses, Redirects

HttpURLConnection subclass, HttpURLConnection

request method, The Request Method, TRACE

servers

disconnecting from, Disconnecting from the Server
handling responses from, Handling Server Responses, Redirects

HyperlinkEvent object, Handling Hyperlinks

HyperLinkListener interface, Handling Hyperlinks

hyperlinks, handling with Swing, Handling Hyperlinks, Handling Hyperlinks

hyperlinkUpdate() (HyperlinkListener), Handling Hyperlinks

Hypertext Markup Language (see HTML)

Hypertext Transfer Protocol (see HTTP)

I

I/O (input/output), Java I/O, PrintWriter

readers/writers, Readers and Writers, PrintWriter

streams

filter, Filter Streams, Encrypting Streams
input, Input Streams, Marking and Resetting
output, Output Streams, Output Streams

IANA (Internet Assigned Numbers Authority), Networks, Internet Address Classes

multicast addresses and, Multicast Addresses and Groups
RFC about, IETF RFCs

ICANN (Internet Corporation for Assigned Names and Numbers), Internet Address Classes

IETF (Internet Engineering Task Force), Internet Standards

RFCs, IETF RFCs, IETF RFCs

ifModifiedSince field (URLConnection), ifModifiedSince

Image keyword, A Content Handler for an Image Format: image/x-fits

ImageObserver interface, The ImageObserver Interface, The ImageObserver Interface

ImageProducer interface, A Content Handler for an Image Format: image/x-fits

images

adding tags to, example program, public void waitForID(int id) throws InterruptedException, public void waitForID(int id) throws InterruptedException

displaying via URLs, example program, public Image getImage(URL u)

downloading

applet for, Downloading Images, public Image getImage(URL path, String filename)
error checking, public boolean isErrorAny( )
monitoring progress of, The ImageObserver Interface, The MediaTracker Class

imageUpdate() (ImageObserver), The ImageObserver Interface

implAccept() (ServerSocket), Protected final void implAccept(Socket s) throws IOException

InetAddress class, The InetAddress Class

creating objects, Creating New InetAddress Objects, public static InetAddress InetAddress.getLocalHost( ) throws UnknownHostException

security issues, Security issues

InflaterInputStream class, Compressing Streams

input streams, Input Streams, Marking and Resetting

input/output (see I/O)

InputStream class, Input Streams, Marking and Resetting

InputStream() (SSLSocket), Creating Secure Client Sockets

InputStreamReader subclass, Readers and Writers, Readers

interactive TV, Interactive television

internationalization, PrintWriter

Internet, The Internet, Proxy Servers

layer, The Internet Layer, The Internet Layer
protocols, RFC about, IETF RFCs

Internet Assigned Numbers Authority (see IANA)

Internet Corporation for Assigned Names and Numbers (ICANN), Internet Address Classes

Internet Engineering Task Force (see IETF)

Internet Explorer, protocols supported by, Creating New URLs

Internet Protocol (see IP)

InternetAddress class, The InternetAddress Class, The InternetAddress Class

IP (Internet Protocol), IP, TCP, and UDP, Ports

header, TTL field, Clients and Servers
RFC about, IETF RFCs

IP addresses, Networks, The Internet Layer, IP Addresses and Domain Names, DNS, IP Addresses, and All That, DNS, IP Addresses, and All That

classes of, Internet Address Classes, Internet Address Classes

client sockets connected to, public InetAddress getInetAddress( )

finding, example programs, public static InetAddress InetAddress.getLocalHost( ) throws UnknownHostException, public String getHostAddress( )

hostnames and

comparing, public static InetAddress InetAddress.getByName(String hostName) throws UnknownHostException
example conversion program, HostLookup, HostLookup
finding, example program, public String getHostName( )

InetAddress class and, The InetAddress Class

printing, example program, public byte[ ] getAddress( )

used by server, public InetAddress getInetAddress( )

isBlock() (Tag), HTML.Tag

isDefined() (AttributeSet), Attributes

isEqual() (AttributeSet), Attributes

isErrorAny() (MediaTracker), public boolean isErrorAny( )

isErrorID() (MediaTracker), public boolean isErrorID(int id)

isExpunged()

Folder class, Managing Messages in Folders
Message class, Folders

isMimeType() (Part), Reading the contents of the part

isOpen() (Folder), Opening Folders

isPreformatted() (Tag), HTML.Tag

isSet() (Message), Flags

J

JAF (JavaBeans Activation Framework), What Is the JavaMail API?

JAR archives, JarURLConnection, JarURLConnection

JarURLConnection class, JarURLConnection, JarURLConnection

Java Collections API, thread pooling and, Thread Pools

Java Content-Type Mappings, tables of, Guessing MIME Types, Guessing MIME Types

Java Cryptography Extension (JCE), Encrypting Streams

Java Development Kit (JDK), protocols supported by, Creating New URLs

Java programming language, versions of, Java Versions

Java Secure Sockets Extension, Secure Sockets

Java virtual machine (see JVM)

java.io package, reader/writer classes in, Readers and Writers

java.net package, The URLConnection Class

java.net.URL package, Creating New URLs

java.rmi package, Implementation, The java.rmi Package, Checking operations

remote exceptions, Remote Exceptions, Remote Exceptions

java.rmi.registry package, Implementation, The java.rmi.registry Package, The LocateRegistry Class

java.rmi.server package, Implementation, The java.rmi.server Package, The UnicastRemoteObject Class

exceptions, table of, Exceptions

java.util.jar package, JarURLConnection

java.util.security package, Digest Streams

java.util.Vector package, thread pooling and, Thread Pools

java.util.zip package, Compressing Streams

JavaBeans, Callbacks

JavaBeans Activation Framework (JAF), What Is the JavaMail API?

JavaMail API, The JavaMail API, What Is the JavaMail API?

email

addresses, Addresses, The NewsAddress Class
attachments, Multipart Messages and File Attachments, Multipart Messages and File Attachments
creating, The Message Class
event handling, Event Handling, Event Handling
flags, Flags, Flags
folders, Folders, Folders, Flags
headers, Basic Header Info, Saving changes
MIME, MIME Messages, MIME Messages
parts of, The Part Interface
receiving, Receiving Mail, Receiving Mail
sending, Sending Email

Message class, The Message Class, Searching

password authentication, Password Authentication, Password Authentication

URLName class, The URLName Class, Parsing Methods

Usenet, accessing, The NewsAddress Class, The NewsAddress Class

javax.mail package, What Is the JavaMail API?

javax.mail.Folder package, What Is the JavaMail API?

javax.mail.InternetAddress package, What Is the JavaMail API?

javax.mail.Message packages, What Is the JavaMail API?

javax.mail.MimeMessage package, What Is the JavaMail API?

javax.net package, Secure Communications

javax.net.ssl package, Secure Communications

javax.security.cert packages, Secure Communications

javax.swing.text.html package, HTML in Swing

javax.swing.text.html.parser package, HTML in Swing

JCE (Java Cryptography Extension), Encrypting Streams

JDK (Java Development Kit), protocols supported by, Creating New URLs

JEditorPane class

displaying web pages with, JEditorPane
HTML and, JEditorPane, Reading HTML Directly

Jini, Ubiquitous computing

JLabel (Swing), including HTML in, HTML on Components

join() (Thread), Joining threads

joinGroup() (MulticastSocket), Working with Multicast Sockets, public void joinGroup(InetAddress address) throws IOException

JPasswordField component (Swing), The JPasswordField Class

JPEG format, downloading images in, public Image getImage(URL u)

JSSE (Java Secure Sockets Extension), Secure Sockets

packages, Secure Communications

JVM (Java virtual machine)

protocols supported by, Creating New URLs, Constructing a URL from its component parts
RMI and, Remote Method Invocation
stubs and, The RMISecurityManager Class

K

keytool program, Creating Secure Server Sockets

keywords

BITPIX, A Content Handler for an Image Format: image/x-fits
COORDS, A Content Handler for an Image Format: image/x-fits
END, A Content Handler for an Image Format: image/x-fits
in FITS files, A Content Handler for an Image Format: image/x-fits
Image, A Content Handler for an Image Format: image/x-fits
NAXIS, A Content Handler for an Image Format: image/x-fits
OBSTIME, A Content Handler for an Image Format: image/x-fits
SIMPLE, A Content Handler for an Image Format: image/x-fits
synchronized, Synchronized Blocks
TELESC, A Content Handler for an Image Format: image/x-fits
for whois protocol, Whois

L

leaveGroup() (MulticastSocket), Working with Multicast Sockets, public void leaveGroup(InetAddress address) throws IOException

LineNumberReader class, LineNumberReader

list()

Folder class, Listing the Contents of a Folder
Naming class, public static String[ ] list(String url) throws RemoteException, MalformedURLException
Registry interface, The Registry Interface

listSubscribed() (Folder), Listing the Contents of a Folder

LocateRegistry class, The LocateRegistry Class

log files on web servers, example program for processing, Processing Web Server Log Files, Processing Web Server Log Files

lookup()

Naming class, The Client Side, public static Remote lookup(String url) throws RemoteException, NotBoundException, AccessException, MalformedURLException
Registry interface, The Registry Interface

LookupThread class, example program, Processing Web Server Log Files

M

Macintosh Runtime for Java, protocols supported by, Creating New URLs

mail (see email Java Mail API)

Mailbox keyword, Whois

MailEvent class, Event Handling

man-in-the-middle attacks, Secure Communications

mark()

InputStream class, Marking and Resetting
Reader class, Readers

markSupported() (InputStream), Marking and Resetting

match() (Message), Searching

MBONE (Multicast Backbone on the Internet), Multicast Addresses and Groups

MediaTracker class, The MediaTracker Class, Removing Images from MediaTrackers

constants, Checking the Status of Media
constructor, The Constructor

Message class, The Message Class, Searching

message digests, Digest Streams

MessageDigest class, Digest Streams

MIDI Type 0/1 formats, downloading sounds in, Downloading Sounds

MIME (Multipurpose Internet Mail Extension), Basic Web Concepts, MIME, MIME

content types, MIME, MIME

email, MIME Messages, MIME Messages

headers, Reading the Header, HEAD

client request, configuring, Configuring the Client Request MIME Header, Configuring the Client Request MIME Header
commands supported, listing, OPTIONS
fields in, Retrieving Specific MIME Header Fields, public int getHeaderFieldInt(String name, int default)
inspecting, The URLConnection Class
printing, example program, public String getHeaderField(int n)
tracing, TRACE

RFC about, IETF RFCs

types

text/tab-separated-values, content handler for, A Content Handler for Tab-Separated Values, Using Content Handlers

x-types, MIME, MIME

, A Content Handler for an Image Format: image/x-fits

(see also content handlers)

types, guessing, Guessing MIME Types, Guessing MIME Types

MimeBodyPart class, Multipart Messages and File Attachments

MimeMessage class, The Message Class, MIME Messages

sending email and, Sending Email

MimeMultipart class, Multipart Messages and File Attachments

mobile agents (see agents)

MUD (Multi-User Dungeon), Chat

Multi-User Dungeon (MUD), Chat

Multicast Backbone on the Internet (MBONE), Multicast Addresses and Groups

multicasting, What Is a Multicast Socket?, What Is a Multicast Socket?

addresses, Multicast Addresses and Groups, Multicast Addresses and Groups

permanent, Multicast Addresses and Groups, Multicast Addresses and Groups

clients and servers, Clients and Servers

groups, Multicast Addresses and Groups, Multicast Addresses and Groups

communicating with, Communicating with a Multicast Group, public int getTimeToLive( ) throws IOException // Java 1.2
example sniffer program, Two Simple Examples
sending data to, example program, Two Simple Examples

routers and, Routers and Routing, Routers and Routing

MulticastSocket class, Working with Multicast Sockets

constructors, The Constructors
methods, Communicating with a Multicast Group, public int getTimeToLive( ) throws IOException // Java 1.2

MulticastSocket() (MulticastSocket), public MulticastSocket( ) throws SocketException

Multipart class, Multipart Messages and File Attachments

Multipurpose Internet Mail Extension (see MIME)

multitasking, downloading and, The ImageObserver Interface

multithreading, Threads, Thread Pools

, Thread Pools

(see also threads)

MutableAttributeSet class, Attributes

N

Nagle’s algorithm, TCP_NODELAY

Name keyword, Whois

Naming class, The Naming Class, public static void rebind(String url, Remote object) throws RemoteException, AccessException, MalformedURLException

NAXIS keyword, A Content Handler for an Image Format: image/x-fits

Netscape Navigator, protocols supported by, Creating New URLs

Netscape Open Directory, looking up topics in, Communicating with CGIs and Servlets Through GET

Network keyword, Whois

Network News Transfer Protocol (NNTP), RFC about, IETF RFCs

networks, Why Networked Java?, But Wait!—There’s More!, Networks, The Application Layer

addresses (see IP addresses)
applets and, The Network Methods of java.applet.Applet, Network Methods of java.applet.AppletContext
hosts (see hosts)
interfaces, client sockets bound to, public InetAddress getLocalAddress( )
layers of, The Layers of a Network, The Application Layer
nodes (see nodes)
ports (see ports)

newAudioClip() (Applet), public static final AudioClip newAudioClip(URL url) // Java 1.2

newLine() (BufferedWriter), Buffered readers and writers

NewsAddress class, The NewsAddress Class, The NewsAddress Class

newsgroups, accessing with JavaMail API, The NewsAddress Class

NNTP (Network News Transfer Protocol), RFC about, IETF RFCs

nodes, Networks, DNS, IP Addresses, and All That

notify() (Object), Waiting on an object

notifyAll() (Object), Waiting on an object

nslookup utility, HostLookup

O

Object class, The Object Methods

objects

remote, What Is Remote Method Invocation?

available to clients, The LocateRegistry Class
binding, public static void bind(String url, Remote object) throws RemoteException, AlreadyBoundException, MalformedURLException, AccessException, The Registry Interface
compared to local, Under the Hood
releasing, public static void unbind(String url) throws RemoteException, NotBoundException, AlreadyBoundException, MalformedURLException, AccessException // Java 1.2
URLs bound to, public static Remote lookup(String url) throws RemoteException, NotBoundException, AccessException, MalformedURLException
URLs of, The Registry Interface

stubs, Under the Hood

applets and, The RMISecurityManager Class
compiling, Compiling the Stubs
RMISecurityManager permissions, Checking operations, Checking operations

synchronization and, Synchronized Blocks

threads waiting on, Waiting on an object, Waiting on an object

, Under the Hood

(see also RMI)

OBSTIME keyword, A Content Handler for an Image Format: image/x-fits

Open Systems Interconnection (OSI), network layer model, The Layers of a Network

open() (Folder), Receiving Mail

openConnection(), Opening URLConnections

URLConnection class, public URLConnection openConnection( ) throws IOException
URLStreamHandler class, What Is a Protocol Handler?, A Method for Connecting

openStream() (InputStream), public final InputStream openStream( ) throws IOException

OPTIONS (HttpURLConnection), OPTIONS

Organization keyword, Whois

OSI (Open Systems Interconnection), network layer model, The Layers of a Network

OutputStream class, Output Streams, Output Streams

OutputStreamWriter subclass, Readers and Writers, OutputStreamWriter

P

packets, Networks, Sockets for Clients

parallel computing, Massively parallel computing

parse()

InternetAddress class, The InternetAddress Class
NewsAddress class, The NewsAddress Class
Parser class, HTMLEditorKit.Parser

Parser class, HTMLEditorKit.Parser, HTMLEditorKit.Parser

ParserCallback class, HTMLEditorKit.Parser, HTMLEditorKit.ParserCallback, HTMLEditorKit.ParserCallback

ParserDelegator subclass, HTMLEditorKit.Parser

parseURL() (URLStreamHandler), Methods for Parsing URLs, Protected void parseURL(URL u, String spec, int start, int limit)

parsing HTML, with Swing, Parsing HTML, Attributes

Part interface, The Part Interface, Writing the contents of the part

Partial keyword, Whois

PasswordAuthentication class, The PasswordAuthentication Class, Password Authentication

passwords

authenticating, The Authenticator Class, The JPasswordField Class
email, Password Authentication, Password Authentication

payloads, datagrams, Sockets for Clients

Person keyword, Whois

PersonalJava, Interactive television

play() (Applet), public void play(URL u)

plug-ins, Content Handlers

, Content Handlers

(see also content handlers)

PNG format, downloading images in, public Image getImage(URL u)

polling threads, Polling

ports, Ports

assigned to protocols, table of, Ports
client sockets connected to, public int getPort( )
connections to, example programs for determining, public Socket(String host, int port) throws UnknownHostException, IOException, public Socket(InetAddress host, int port) throws IOException, public synchronized void close( ) throws IOException
listening on, determining which, public int getLocalPort( )
looking for, example program, public ServerSocket(int port) throws IOException, BindException
for protocols, returning default, Protected int getDefaultPort( ) // Java 1.3
UDP, example program for scanning, public DatagramSocket(int port) throws SocketException

POST (URL)

CGI and, CGI
sending data with, Writing Data to a Server

prepareImage() (ImageObserver), The ImageObserver Interface

PrintStream class, PrintStream, PrintStream is evil and network programmers shouldavoid it like the plague

PrintWriter class, PrintWriter

implementation for network programming, PrintWriter , PrintWriter

programming examples

animator applet, public boolean waitForAll( ) throws InterruptedException, public boolean waitForAll( ) throws InterruptedException

authentication

GUI for, Password Authentication
POP client, Password Authentication

authentication dialog, The JPasswordField Class, The JPasswordField Class

callbacks, Callbacks, Callbacks

characters in URLs, converting, URLEncoder

client sockets, getting information about, public InetAddress getLocalAddress( )

clients

email, Parsing Methods
POP3, Receiving Mail
for remote object, An Applet Client for a Remote Object, An Application Client for a Remote Object, An Application Client for a Remote Object

content handlers, A Content Handler for Tab-Separated Values, Using Content Handlers, Installing Content Handler Factories

database interface, The Remote Interface

DatagramPacket, constructing, public int getOffset( ) // Java 1.2

daytime protocol, reading time from, public InputStream getInputStream( ) throws IOException

echo

client, public OutputStream getOutputStream( ) throws IOException, A UDP Echo Client
server, UDPServer

email

attachments, Multipart Messages and File Attachments, Multipart Messages and File Attachments
attributes, Attributes, Attributes
client, Searching Folders, Searching Folders
flags, reading, Flags, Flags
headers, reading, The date of the message, Headers, Headers
sending, Sending Email, Sending Email from an Applet, Sending Email from an Applet

Fibonacci numbers

displaying in HTML, Constructing HTML User Interfaces on the Fly
interface, The Server Side

files

downloading, public int getContentLength( )
gzipping, Thread Pools, Thread Pools

finger, command-line client, Finger

forms, posting, Writing Data to a Server

getParser(), making public, HTMLEditorKit.Parser

hostnames

converting from IP addresses, HostLookup, HostLookup
finding from IP addresses, public String getHostName( )

HTML

converting to text, HTMLEditorKit.ParserCallback, HTML.Tag
including in a JLabel, HTML on Components
stripping tags, HTMLEditorKit.ParserCallback, HTML.Tag

HTTP

client, Creating Secure Client Sockets
response codes, Handling Server Responses

HyperLinkListener interface, implementation of, Handling Hyperlinks

ifModifiedSince, setting, ifModifiedSince

images, The ImageObserver Interface

content handler, A Content Handler for an Image Format: image/x-fits, A Content Handler for an Image Format: image/x-fits
displaying via URLs, public Image getImage(URL u)
downloading, The MediaTracker Class

IP addresses, public boolean equals(Object o)

converting to hostnames, HostLookup, HostLookup
finding, public static InetAddress InetAddress.getLocalHost( ) throws UnknownHostException, public String getHostAddress( )
finding from hostnames, public String getHostName( )
printing, public byte[ ] getAddress( )

LookupThread class, Processing Web Server Log Files

MIME headers, printing, public String getHeaderField(int n)

Multicast Sniffer, Two Simple Examples

MulticastSender, Two Simple Examples

Netscape Open Directory, looking up topics in, Communicating with CGIs and Servlets Through GET

ports

connections to, determining, public Socket(String host, int port) throws UnknownHostException, IOException, public Socket(InetAddress host, int port) throws IOException, public synchronized void close( ) throws IOException
looking for, public ServerSocket(int port) throws IOException, BindException

PrinterWriter class, implementation for network programming, PrintWriter , PrintWriter

protocol handlers

for chargen, A chargen Protocol Handler, A chargen Protocol Handler
for daytime, A daytime Protocol Handler
for finger, Writing a Protocol Handler

protocols supported, determining, Constructing a URL from a string, Constructing a URL from its component parts

QueryString class, URLEncoder

race conditions, avoiding, Joining threads

RMI, debugging program, public static String[ ] list(String url) throws RemoteException, MalformedURLException

secure orders, Creating Secure Server Sockets, Creating Secure Server Sockets

servers

daytime, public Socket accept( ) throws IOException
HTTP, A single-file server, A single-file server, A redirector, A redirector, A full-fledged HTTP server, A full-fledged HTTP server
testing clients, Client Tester, Client Tester
time, public Socket accept( ) throws IOException

sounds

downloading via URLs, public AudioClip getAudioClip(URL url, String filename)
playing, public void play(URL u)

stream handlers

for finger, Writing a Protocol Handler
for mailto, Protected abstract URLConnection openConnection(URL u) throws IOException

tags, adding to images, public void waitForID(int id) throws InterruptedException, public void waitForID(int id) throws InterruptedException

Thread, subclassing, Subclassing Thread

threads

preemptive scheduling, Priority-based preemption
returning information from, Returning Information from a Thread, Returning Information from a Thread

time protocol

client, public InputStream getInputStream( ) throws IOException, public InputStream getInputStream( ) throws IOException
content handler for, Choosing Return Types, Choosing Return Types

UDP

client, Simple UDP Clients, Simple UDP Clients
daytime server, UDPServer
discard client, public void send(DatagramPacket dp) throws IOException
discard server, public void receive(DatagramPacket dp) throws IOException, UDPServer, UDPServer
scanning for ports, public DatagramSocket(int port) throws SocketException
server, UDPServer
time client, Simple UDP Clients, Simple UDP Clients

URL objects

comparing, public boolean equals(Object o)
downloading, public final Object getContent( ) throws IOException

URLConnection, interacting with users, allowUserInteraction

URLs

printing, protected URL url
reading from command line, public long getLastModified( )
redirecting requests to/from, Network Methods of java.applet.AppletContext
time when changed, HEAD

URLs, relative

converting to absolute, Attributes, Attributes
converting to web pages, Constructing relative URLs

URLStreamHandlerFactory, The URLStreamHandlerFactory Interface

web browser, writing with Swing, Handling Hyperlinks

web pages

displaying with JEditorPane, JEditorPane
downloading, public final InputStream openStream( ) throws IOException, Reading Data from a Server

web server log files, Synchronized Blocks

processing, Processing Web Server Log Files

web sites, password-protected, accessing, Accessing Password-Protected Sites, The JPasswordField Class

whois

client GUI, Whois, Whois
command-line client, Whois, Whois
reusable class, Whois, Whois

protocol handlers, The URLConnection Class, Protocol Handlers, What Is a Protocol Handler?

adding support for protocols, Creating New URLs

content handlers and, What Is a Content Handler?

methods for, Methods for Protocol Handlers

writing, Writing a Protocol Handler, Writing a Protocol Handler

chargen protocol, A chargen Protocol Handler, A chargen Protocol Handler
daytime protocol, A daytime Protocol Handler, A daytime Protocol Handler

protocols, Networks

adding support for, What Is a Protocol Handler?

content handlers and, What Is a Content Handler?

email, The JavaMail API, What Is the JavaMail API?

Java providers for, What Is the JavaMail API?
receiving, Receiving Mail

handling (see protocol handlers)

investigating with telnet, Investigating Protocols with Telnet, Investigating Protocols with Telnet

port assignments for, Ports

supported by JVMs, Creating New URLs

example program for determining, Constructing a URL from a string, Constructing a URL from its component parts

proxy servers, Proxy Servers, Proxy Servers

public key encryption, Secure Communications

PushbackInputStream subclass, PushbackInputStream

PushbackReader class, PushbackReader

PUT (HttpURLConnection), PUT

Q

QueryString class, example program, URLEncoder

R

race conditions, Race Conditions

avoiding, example program, Joining threads

read()

DataInputStream class, Data Streams
InputStream class, Input Streams
JEditorPane class, Reading HTML Directly
PushbackInputStream class, PushbackInputStream
Reader class, Readers
Socket class, SO_TIMEOUT

Reader class, Readers and Writers, Readers

readers/writers, Readers and Writers, Filter Readers and Writers

buffering, Buffered readers and writers, Buffered readers and writers

readFully() (DataInputStream), Data Streams

reading HTML in Swing, Reading HTML Directly

readLine()

DataInputStream class, Data Streams
LineNumberReader class, LineNumberReader

ready() (Reader), Readers

rebind()

Naming class, public static void rebind(String url, Remote object) throws RemoteException, AccessException, MalformedURLException
Registry interface, The Registry Interface

receive()

DatagramSocket class, public void receive(DatagramPacket dp) throws IOException
MulticastSocket class, Working with Multicast Sockets

Registry interface, The Registry Interface

Remote interface, The Server Side, The Remote Interface

Remote Procedure Calls (RPC), What Is Remote Method Invocation?

RemoteObject class, The RemoteObject Class

RemoteServer class, The RemoteServer Class

logging, Logging

removeAttributes() (MutableAttributeSet), Attributes

removeBodyPart() (Multipart), Multipart Messages and File Attachments

removeHandshakeCompletedListener(), Event Handlers

removeHeader() (Part), Headers

removeImage() (MediaTracker), Removing Images from MediaTrackers

renameTo() (Folder), Managing Folders

reply() (Message), Replying to messages

request() (HttpURLConnection), The Request Method, TRACE

reset()

InputStream class, Marking and Resetting
Reader class, Readers

RFCs (Requests for Comments), IETF, IETF RFCs

RMF format, downloading sounds in, Downloading Sounds

RMI (Remote Method Invocation), Remote Method Invocation, Under the Hood, Under the Hood, public static String[ ] list(String url) throws RemoteException, MalformedURLException, Exceptions

classes, loading at runtime, Loading Classes at Runtime, An Application Client for a Remote Object

debugging programs, example, public static String[ ] list(String url) throws RemoteException, MalformedURLException

implementing

client side, The Client Side, The Client Side, Running the Client
server side, The Server Side, The Server Side, Starting the Server

object serialization, Object Serialization

security and, Security

stubs, compiling, Compiling the Stubs

RMISecurityManager class, The RMISecurityManager Class

methods, public RMISecurityManager( ), Checking operations
permissions, table of, Checking operations, Checking operations

routers, multicasting and, What Is a Multicast Socket?, Routers and Routing, Routers and Routing

RPC (Remote Procedure Calls), What Is Remote Method Invocation?

run()

Runnable interface, Implementing the Runnable Interface
Thread class, Running Threads

Runnable interface, Implementing the Runnable Interface, Implementing the Runnable Interface

S

sameFile()

URL class, public boolean sameFile(URL other)
URLStreamHandler class, Protected boolean sameFile(URL u1, URL u2) // Java 1.3

saveChanges() (Message), Saving changes

scheduling threads

blocking, Blocking
joining threads, Joining threads, Joining threads
preemption, Preemption, Priority-based preemption
priorities, Priorities
sleeping, Sleeping, Sleeping
yielding, Yielding

search() (Folder), Searching Folders

searching the Web, Searching the Web

Secure Hash Algorithm (SHA), Digest Streams

Secure Sockets Layer (SSL), JSSE and, Secure Sockets

security

applets and, Security: Who Can an Applet Talk to and What Can It Say?

InetAddress objects, creating, Security issues, Security issues

man-in-the-middle attacks, Secure Communications

RMI and, Security

sockets and, Secure Sockets, Client Mode

URLConnection class and, Security Considerations for URLConnections

URLStreamHandler classes and, Specifying a URLStreamHandler

, Secure Sockets

(see also encryption RMISecurityManager class)

send()

DatagramSocket class, public void send(DatagramPacket dp) throws IOException
MulticastSocket class, public void send(DatagramPacket packet, byte ttl) throws IOException
Transport class, Sending Email

servers, What Can a Network Program Do?, Servers

clients

downloading objects from, Loading Classes at Runtime
testing, Client Tester, Client Tester

daytime, example program, public Socket accept( ) throws IOException

disconnecting from, Disconnecting from the Server

handling responses from, Handling Server Responses, Redirects

multicasting and, Clients and Servers

proxy

HttpURLConnection subclass, Proxies

, Proxy Servers

(see also proxy servers)

reading data from, Reading Data from a Server

RemoteServer class, The RemoteServer Class, Logging

RMI, implementing, The Server Side, The Server Side, Starting the Server

sockets for, Sockets for Servers, Protected final void implAccept(Socket s) throws IOException

time, example program, public Socket accept( ) throws IOException

writing data to, Writing Data to a Server, Writing Data to a Server

ServerSocket class, Socket Basics, The ServerSocket Class

constructors, The Constructors, public ServerSocket(int port, int queueLength, InetAddress bindAddress) throws BindException, IOException
methods, The get Methods

ServerSocket() (ServerSocket), public ServerSocket(int port) throws IOException, BindException, public ServerSocket(int port, int queueLength, InetAddress bindAddress) throws BindException, IOException

servlets

communicating with, Communicating with CGIs and Servlets Through GET, Communicating with CGIs and Servlets Through GET
games and, Servers
limitations of, CGI

set() (URL), Methods for Protocol Handlers

setAddress()

DatagramPacket class, public void setAddress(InetAddress remote)
InternetAddress class, The InternetAddress Class

setAllowUserInteraction() (URLConnection), Configuring the Connection, allowUserInteraction

setContent() (Part), Writing the contents of the part

setContentHandlerFactory()

ContentHandlerFactory interface, What Is a Content Handler?
URLConnection class, Installing Content Handler Factories

setContentLanguage() (MimeMessage), MIME Messages

setData() (DatagramPacket), public void setData(byte[ ] data)

setDefaultAllowUserInteraction() (URLConnection), Configuring the Connection

setDefaultUseCaches() (URLConnection), Configuring the Connection

setDoOutput() (URLConnection), Configuring the Connection

setEnabledCipherSuites() (SSLSocket), Choosing the Cipher Suites

setEnableSessionCreation() (SSLSocket), Session Management

setFileNameMap() (URLConnection), Configuring the Connection

setFlags()

Folder class, Flags
Message class, Flags

setFrom() (Message), Sending Email, The From address

setHeader() (Part), Headers

setHost() (NewsAddress), The NewsAddress Class

setIfModifiedSince() (URLConnection), Configuring the Connection

setImageObserver() (ImageObserver), The ImageObserver Interface

setInterface() (MulticastSocket), public void setInterface(InetAddress address) throws SocketException

setLength() (DatagramPacket), public void setLength(int length)

setMessageNumber() (Message), Folders

setNewsgroup() (NewsAddress), The NewsAddress Class

setPersonal()(InternetAddress), The InternetAddress Class

setPort() (DatagramPacket), public void setPort(int port)

setReceiveBufferSize()

DatagramSocket class, SO_RCVBUF
Socket class, SO_RCVBUF

setRecipient() (Message), Sending Email

setRecipients() (Message), The recipient addresses

setReplyTo() (Message), The Reply-to address

setResolveParent() (MutableAttributeSet), Attributes

setSendBufferSize()

DatagramSocket class, SO_SNDBUF
Socket class, SO_SNDBUF

setSentDate() (Message), The date of the message

setSocketFactory() (ServerSocket), public static synchronized void setSocketFactory (SocketImpl Factory fac) throws IOException

setSoLinger() (Socket), SO_LINGER

setSoTimeout()

DatagramSocket class, SO_TIMEOUT
ServerSocket class, public void setSoTimeout(int timeout) throws SocketException
Socket class, SO_TIMEOUT

setSubject() (Message), Sending Email, The subject of the message

setTcpNoDelay() (Socket), TCP_NODELAY

setText()

MimeMessage class, MIME Messages
Part interface, Writing the contents of the part

setTimeToLive() (MulticastSocket), public void setTimeToLive(int ttl) throws IOException // Java 1.2

setURL() (URLStreamHandler), Protected void setURL(URL u, String protocol, String host, int port, String file, String ref )

setURLStreamHandlerFactory()

URL class, Methods for Protocol Handlers
URLStreamHandlerFactory interface, What Is a Protocol Handler?

setUseCaches() (URLConnection), Configuring the Connection

setUseClientMode() (SSLSocket), Client Mode

SGML (Standard Generalized Markup Language), HTML, SGML, and XML

SHA (Secure Hash Algorithm), Digest Streams

showDocument() (AppletContext), Network Methods of java.applet.AppletContext

shutdownInput() (Socket), Half-closed sockets // Java 1.3

shutdownOutput() (Socket), Half-closed sockets // Java 1.3

SIMPLE keyword, A Content Handler for an Image Format: image/x-fits

Simple Mail Transfer Protocol (SMTP), RFC about, IETF RFCs

skip() (InputStream), Input Streams

sleep() (Thread), Sleeping

SO TIMEOUT socket option, SO_TIMEOUT

server, Socket Options

Socket class, Socket Basics

constructors, The Socket Class, SO_KEEPALIVE

Socket() (Socket), public Socket(String host, int port) throws UnknownHostException, IOException, public Socket(InetAddress host, int port, InetAddress interface, int localPort) throws IOException

protected, protected Socket( )

sockets

client, Socket Basics

closing, Closing the Socket, Half-closed sockets // Java 1.3
creating secure, Creating Secure Client Sockets, Creating Secure Client Sockets
exceptions, Socket Exceptions
getting information about, Getting Information About a Socket, public OutputStream getOutputStream( ) throws IOException
options, setting, Setting Socket Options, SO_KEEPALIVE

datagram, UDP Datagrams and Sockets, A UDP Echo Client

managing, Managing Connections
options, Socket Options, SO_SNDBUF

datagrams and, The DatagramPacket Class, public void send(DatagramPacket dp) throws IOException

multicast, What Is a Multicast Socket?, Routers and Routing

working with, Working with Multicast Sockets, public int getTimeToLive( ) throws IOException // Java 1.2

security and, Secure Sockets, Client Mode

server, Sockets for Servers

accepting connections, Accepting and Closing Connections, public Socket accept( ) throws IOException
closing connections, public void close( ) throws IOException
creating secure, Creating Secure Server Sockets, Creating Secure Server Sockets
options, Socket Options, public int getSoTimeout( ) throws IOException

unicast, Multicast Sockets

sounds

downloading, Downloading Sounds, public static final AudioClip newAudioClip(URL url) // Java 1.2

example program, public AudioClip getAudioClip(URL url, String filename)

playing, example program, public void play(URL u)

SO_KEEPALIVE socket option, SO_KEEPALIVE

SO_LINGER socket option, SO_LINGER

SO_RCVBUF socket option, SO_RCVBUF, SO_RCVBUF

SO_SNDBUF socket option, SO_SNDBUF, SO_SNDBUF

SO_TIMEOUT socket option, SO_TIMEOUT

spiders, Searching the Web

spreadsheet programs, content handlers and, A Content Handler for Tab-Separated Values

SQLQuery() (Remote), The Remote Interface

SSL (Secure Sockets Layer), JSSE and, Secure Sockets

SSLContext object, Creating Secure Server Sockets

SSLFactorySocket class, Creating Secure Client Sockets

SSLServerSocket class, Methods of the SSLServerSocket Class

SSLServerSocketFactory class, Creating Secure Server Sockets

SSLSession interface, Session Management

SSLSocket class, Methods of the SSLSocket Class, Client Mode

SSLSocket subclass, Creating Secure Client Sockets

Standard Generalized Markup Language (SGML), HTML, SGML, and XML

start() (Thread), Running Threads

startHandshake() (SSLSocket), Session Management

statusAll() (MediaTracker), public int statusAll(boolean load)

statusID() (MediaTracker), public int statusID(int id, boolean load)

streams, Java I/O

buffering, Output Streams, Buffered Streams, Buffered Streams

compressing, Compressing Streams

data, Data Streams, Data Streams

digest, Digest Streams

encrypting, Encrypting Streams, Encrypting Streams

filter, Filter Streams, Chaining Filters Together

input, Input Streams, Marking and Resetting

content handlers and, What Is a Content Handler?
sockets, reading data from, public InputStream getInputStream( ) throws IOException

output, Output Streams, Output Streams

sockets, writing data to, public OutputStream getOutputStream( ) throws IOException, public OutputStream getOutputStream( ) throws IOException

unicast, What Is a Multicast Socket?

SUBdisplay keyword, Whois

Summary keyword, Whois

sun.net package, The URLConnection Class

sun.net.www.content package, What Is a Content Handler?

Swing

authentication and, example programs, The JPasswordField Class, The JPasswordField Class, Password Authentication

components

HTML on, HTML on Components , HTML on Components
JPasswordField, The JPasswordField Class

HTML in

attributes, listing, Attributes, Attributes
case sensitivity, HTML on Components
hyperlinks, handling, Handling Hyperlinks, Handling Hyperlinks
interfaces, constructing, Constructing HTML User Interfaces on the Fly
JLabel, HTML on Components
parsing, Parsing HTML, Attributes
reading, Reading HTML Directly
rendering with JEditorPane, JEditorPane, Reading HTML Directly

web pages, displaying with JEditorPane, JEditorPane

synchronization, threads, Synchronization, Alternatives to Synchronization

alternatives to, Alternatives to Synchronization
deadlock, Deadlock
synchronized blocks, Synchronized Blocks, Synchronized Blocks

synchronized keyword, Synchronized Blocks

T

Tag class, HTML.Tag, HTML.Tag

TCP (Transmission Control Protocol), UDP Datagrams and Sockets

multicasting and, Clients and Servers
RFC about, IETF RFCs

TCP/IP, IP, TCP, and UDP, Ports

network layers, The Layers of a Network, The Application Layer

TCP_NODELAY socket option, TCP_NODELAY

TELESC keyword, A Content Handler for an Image Format: image/x-fits

telnet

investigating protocols with, Investigating Protocols with Telnet, Investigating Protocols with Telnet
RFC about, IETF RFCs

Thread class, Running Threads

subclassing, Subclassing Thread, Subclassing Thread

thread pools, Thread Pools, Thread Pools

threads, Threads, Thread Pools

joining, Joining threads, Joining threads

polling, Polling

returning information from, Returning Information from a Thread, Callbacks

example program, Returning Information from a Thread, Returning Information from a Thread

running, Running Threads, Implementing the Runnable Interface

scheduling

blocking, Blocking
preemption, Preemption, Priority-based preemption
priorities, Priorities
sleeping, Sleeping, Sleeping
yielding, Yielding

synchronization, Synchronization, Alternatives to Synchronization

synchronized blocks, Synchronized Blocks, Synchronized Blocks

waiting on objects, Waiting on an object, Waiting on an object

time protocol, content handler for, example program, Choosing Return Types, Choosing Return Types

time server, example program, public Socket accept( ) throws IOException

Time-To-Live (see TTL)

TLS (Transport Layer Security), Secure Sockets

toExternalForm()

URL class, public String toExternalForm( )
URLStreamHandler class, Protected String toExternalForm(URL u)

toString()

Address class, The Address Class
Folder class, Utility Methods
InetAddress class, public String toString( )
InternetAddress class, The InternetAddress Class
NewsAddress class, The NewsAddress Class
Object class, public String toString( )
RemoteObject class, The RemoteObject Class
ServerSocket class, public String toString( )
Socket class, The Object Methods
Tag class, HTML.Tag
URLConnection class, The Object Methods
URLName class, Parsing Methods

toStub() (RemoteObject), The RemoteObject Class

toURL() (URL), Other sources of URL objects

TRACE (HttpURLConnection), TRACE

Transmission Control Protocol (see TCP)

Transmission Control Protocol/Internet Protocol (see TCP/IP)

transport layer, The Transport Layer

Transport Layer Security (TLS), Secure Sockets

TTL (Time-To-Live), What Is a Multicast Socket?, Clients and Servers

values for datagrams from U.S., Clients and Servers

U

UDP (User Datagram Protocol), IP, TCP, and UDP, Ports, The UDP Protocol, The UDP Protocol

clients, Simple UDP Clients, Simple UDP Clients
discard client, example program, public void send(DatagramPacket dp) throws IOException
discard server, example program, public void receive(DatagramPacket dp) throws IOException
implementing echo client with, A UDP Echo Client, A UDP Echo Client
multicasting and, Clients and Servers
RFC about, IETF RFCs
servers, UDPServer, UDPServer

unbind()

Naming class, public static void unbind(String url) throws RemoteException, NotBoundException, AlreadyBoundException, MalformedURLException, AccessException // Java 1.2
Registry interface, The Registry Interface

UnicastRemoteObject class, The Server Side, The RemoteServer Class, The UnicastRemoteObject Class

uniform resource identifiers (see URIs)

uniform resource locators (see URLs)

uniform resource names (URNs), URNs

RFC about, IETF RFCs

unread()

PushbackInputStream class, PushbackInputStream
PushbackReader class, PushbackReader

URIs (uniform resource identifiers), URIs, URIs

RFC about, IETF RFCs

URL class, The URL Class, protected void set(String protocol, String host, int port, String file, String ref )

protocol handlers and, What Is a Protocol Handler?

url field, URLConnection class, protected URL url

URL objects

comparing, example program, public boolean equals(Object o)
downloading, example program, public final Object getContent( ) throws IOException
files, pointing to, testing, public boolean sameFile(URL other)
returning, methods for, Other sources of URL objects

URLConnection class, The URLConnection Class

client request MIME headers, configuring, Configuring the Client Request MIME Header, Configuring the Client Request MIME Header

connections

configuring, Configuring the Connection, defaultUseCaches
opening, Opening URLConnections, Opening URLConnections

constructor, Opening URLConnections

content handlers and, Content Handlers, ContentHandlerFactory, What Is a Content Handler?, Installing Content Handler Factories

limitations of, The URLConnection Class

methods, Opening URLConnections, Retrieving Specific MIME Header Fields, public int getHeaderFieldInt(String name, int default) , The Object Methods

MIME types

guessing, Guessing MIME Types, Guessing MIME Types

protected instance fields, Configuring the Connection, defaultUseCaches

protocol handlers and, What Is a Protocol Handler?

security and, Security Considerations for URLConnections

servers

reading data from, Reading Data from a Server
writing data to, Writing Data to a Server, Writing Data to a Server

URLDecoder class, URLDecoder

URLEncoder class, URLEncoder, URLEncoder

URLName class, The URLName Class, Parsing Methods

URLs (uniform resource locators), URLs

absolute, constructing from relative, Constructing relative URLs

as array of strings, returning, public static String[ ] list(String url) throws RemoteException, MalformedURLException

characters in, converting, URLEncoder, URLDecoder

comparing, Protected boolean hostsEqual(URL u1, URL u2) // Java 1.3

components of, Splitting a URL into Pieces

combining into strings, Protected String toExternalForm(URL u)
example program, public string getAuthority( ) // Java 1.3
returning, public String getProtocol( ), public string getAuthority( ) // Java 1.3

connecting to, A Method for Connecting

creating, Creating New URLs, Other sources of URL objects

deleting files on, DELETE

displaying, applet for, public URL getDocumentBase( )

downloading sounds via, public AudioClip getAudioClip(URL url, String filename)

email and, The URLName Class, Parsing Methods

jar, JarURLConnection

objects bound to, public static Remote lookup(String url) throws RemoteException, NotBoundException, AccessException, MalformedURLException

options supported, determining, OPTIONS

parsing, methods for, Methods for Parsing URLs, Protected int hashCode(URL u) // Java 1.3

performing operations on, methods for, Utility Methods

pointing to files, Protected boolean sameFile(URL u1, URL u2) // Java 1.3

printing, example program, protected URL url

protocol handlers and, What Is a Protocol Handler?

reading from command line, example program, public long getLastModified( )

redirecting requests to/from, example program, Network Methods of java.applet.AppletContext

relative, URLs

converting to absolute, Attributes, Attributes
example program, Constructing relative URLs

remote objects

binding, public static void bind(String url, Remote object) throws RemoteException, AlreadyBoundException, MalformedURLException, AccessException
releasing, public static void unbind(String url) throws RemoteException, NotBoundException, AlreadyBoundException, MalformedURLException, AccessException // Java 1.2

retrieving data

from, Retrieving Data from a URL, public final Object getContent(Class[ ] classes) throws IOException // Java 1.3
with, Retrieving Data with URLs, The JPasswordField Class

RFC about, IETF RFCs

time when changed, example program, HEAD

URLStreamHandler class, Specifying a URLStreamHandler

constructor, The URLStreamHandler Class
methods, Methods for Parsing URLs, Protected abstract URLConnection openConnection(URL u) throws IOException
protocol handlers and, What Is a Protocol Handler?

URLStreamHandlerFactory interface, The URLStreamHandlerFactory Interface

method, The URLStreamHandlerFactory Interface
protocol handlers and, What Is a Protocol Handler?

URNs (uniform resource names), URNs

RFC about, IETF RFCs

useCaches field (URLConnection), useCaches

Usenet, accessing with JavaMail API, The NewsAddress Class

User Datagram Protocol (see UDP)

usernames, authenticating, The Authenticator Class

usingProxy() (HttpURLConnection), Proxies

V

versions of Java, Java Versions

W

W3C (World Wide Web Consortium), Internet Standards

recommendations, W3C Recommendations

wait() (Object), Waiting on an object

waitForAll() (MediaTracker), public boolean waitForAll( ) throws InterruptedException, public boolean waitForAll(long milliseconds) throws InterruptedException

waitForID() (MediaTracker), public void waitForID(int id) throws InterruptedException, public boolean waitForID(int id, long milliseconds) throws InterruptedException

WAV format, downloading sounds in, Downloading Sounds

web browsers in Swing, example program, Handling Hyperlinks

web pages

displaying, with JEditorPane, JEditorPane
downloading, example programs, public final InputStream openStream( ) throws IOException
URLs relative to, example program, Constructing relative URLs

web servers

loading classes from, Loading Classes at Runtime

log files on, example program for processing, Processing Web Server Log Files, Processing Web Server Log Files

putting files on, PUT

, The URLEncoder and URLDecoder Classes

(see also clients servers)

web sites, password-protected, accessing, Accessing Password-Protected Sites, The JPasswordField Class

Web, searching, Searching the Web

WebCollab, Whiteboards

whiteboards, Chat

whois, Whois, Whois

client GUI, example program, Whois, Whois
command-line client, example program, Whois, Whois
whois class, example program, Whois, Whois

World Wide Web Consortium (see W3C)

write()

OutputStream class, Output Streams
PrintWriter class, PrintWriter
Writer class, Writers

writeBytes() (DataOutputStream), Data Streams

writeChars() (DataOutputStream), Data Streams

Writer class, Readers and Writers, Writers

synchronization and, Synchronized Blocks

writeTo() (Multipart), Multipart Messages and File Attachments

writeUTF() ( (DataOutputStream), Data Streams

X

XBM format, downloading images in, public Image getImage(URL u)
XML (Extensible Markup Language), HTML, SGML, and XML

Y

yield() (Thread), Yielding

Z

ZipInputStream class, Compressing Streams
ZipOutputStream class, Compressing Streams

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A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

X

Y

Z

Table of Contents for
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