1．Basic Network Concepts

Networks

The Layers of a Network

The Host-to-Network Layer

The Internet Layer

The Transport Layer

The Application Layer

IP,TCP,and UDP

IP Addresses and Domain Names

Ports

The Internet

Internet Address Blocks

Network Address Translation

Firewalls

Proxy Servers

The Client/Server Model

Internet Standards

IETF RFCs

W3C Recommendations

2．Streams

Output Streams

Input Streams

Marking and Resetting

Filter Streams

Chaining Filters Together

Buffered Streams

PrintStream

Data Streams

Readers and Writers

Writers

OutputStream Writer

Readers

Filter Readers and Writers

PrintWriter

3．Threads

Running Threads

Subclassing Thread

Implementing the Runnable Interface

Returning Information from a Thread

Race Conditions

Polling

Callbacks

Futures,Callables,and Executors

Synchronization

Synchronized Blocks

Synchronized Methods

Alternatives to Synchronization

Deadlock

Thread Scheduling

Priorities

Preemption

Thread Pools and Executors

4．Internet Addresses

The InetAddress Class

Creating New InetAddress Objects

Getter Methods

Address Types

Testing Reachability

Object Methods

Inet4Address and Inet6Address

The NetworkInterface Class

Factory Methods

Getter Methods

Some Useful Programs

SpamCheck

Processing Web Server Logfiles

5．URLs and URIs

URIs

URLs

Relative URLs

The URL Class

Creating New URLs

Retrieving Data from a URL

Splitting a URL into Pieces

Equality and Comparison

Conversion

The URI Class

Constructing a URI

The Parts of the URI

Resolving Relative URIs

Equality and Comparison

String Representations

x-www-form-urlencoded

URLEncoder

URLDecoder

Proxies

System Properties

The Proxy Class

The ProxySelector Class

Communicating with Server-Side Programs Through GET

Accessing Password-Protected Sites

The Authenticator Class

The PasswordAuthentication Class

The JPasswordField Class

6．HTTP

The Protocol

Keep-Alive

HTTP Methods

The Request Body

Cookies

CookieManager

CookieStore

7．URLConnections

Opening URLConnections

Reading Data from a Server

Reading the Header

Retrieving Specific Header Fields

Retrieving Arbitrary Header Fields

Caches

Web Cache for Java

Configuring the Connection

protected URL url

protected boolean connected

protected boolean allowUserInteraction

protected boolean doInput

protected boolean doOutput

protected boolean ifModifiedSince

protected boolean useCaches

Timeouts

Configuring the Client Request HTTP Header

Writing Data to a Server

Security Considerations for URLConnections

Guessing MIME Media Types

HttpURLConnection

The Request Method

Disconnecting from the Server

Handling Server Responses

Proxies

Streaming Mode

8．Sockets for Clients

Using Sockets

Investigating Protocols with Telnet

Reading from Servers with Sockets

Writing to Servers with Sockets

Constructing and Connecting Sockets

Basic Constructors

Picking a Local Interface to Connect From

Constructing Without Connecting

Socket Addresses

Proxy Servers

Getting Information About a Socket

Closed or Connected?

toString()

Setting Socket Options

TCP_NODELAY

SO_LINGER

SO_TIMEOUT

SO_RCVBUF and SO_SNDBUF

SO_KEEPALIVE

OOBINLINE

SO_REUSEADDR

IP_TOS Class of Service

Socket Exceptions

Sockets in GUI Applications

Whois

A Network Client Library

9．Sockets for Servers

Using ServerSockets

Serving Binary Data

Multithreaded Servers

Writing to Servers with Sockets

Closing Server Sockets

Logging

What to Log

How to Log

Constructing Server Sockets

Constructing Without Binding

Getting Information About a Server Socket

Socket Options

SO_TIMEOUT

SO_REUSEADDR

SO_RCVBUF

Class of Service

HTTP Servers

A Single-File Server

A Redirector

A Full-Fledged HTTP Server

10．Secure Sockets

Secure Communications

Creating Secure Client Sockets

Choosing the Cipher Suites

Event Handlers

Session Management

Client Mode

Creating Secure Server Sockets

Configuring SSLServerSockets

Choosing the Cipher Suites

Session Management

Client Mode

11．Nonblocking I/O

An Example Client

An Example Server

Buffers

Creating Buffers

Filling and Draining

Bulk Methods

Data Conversion

View Buffers

Compacting Buffers

Duplicating Buffers

Slicing Buffers

Marking and Resetting

Object Methods

Channels

SocketChannel

ServerSocketChannel

The Channels Class

Asynchronous Channels(Java 7)

Socket Options(Java 7)

Readiness Selection

The Selector Class

The SelectionKey Class

12．UDP

The UDP Protocol

UDP Clients

UDP Servers

The DatagramPacket Class

The Constructors

The get Methods

The setter Methods

The DatagramSocket Class

The Constructors

Sending and Receiving Datagrams

Managing Connections

Socket Options

SO_TIMEOUT

SO_RCVBUF

SO_SNDBUF

SO_REUSEADDR

SO_BROADCAST

IP_TOS

Some Useful Applications

Simple UDP Clients

UDPServer

A UDP Echo Client

DatagramChannel

Using DatagramChannel

13．IP Multicast

Multicasting

Multicast Addresses and Groups

Clients and Servers

Routers and Routing

Working with Multicast Sockets

The Constructors

Communicating with a Multicast Group

Two Simple Examples

Index