Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Package java.net - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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Java^TM 2 Platform
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Package java.net

Provides the classes for implementing networking applications.

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Description

Interface Summary

ContentHandlerFactory This interface defines a factory for content handlers.

FileNameMap A simple interface which provides a mechanism to map between between a file name and a MIME type string.

SocketImplFactory This interface defines a factory for socket implementations.

SocketOptions Interface of methods to get/set socket options.

URLStreamHandlerFactory This interface defines a factory for URL stream protocol handlers.

Class Summary

Authenticator The class Authenticator represents an object that knows how to obtain authentication for a network connection.

ContentHandler The abstract class ContentHandler is the superclass of all classes that read an Object from a URLConnection.

DatagramPacket This class represents a datagram packet.

DatagramSocket This class represents a socket for sending and receiving datagram packets.

DatagramSocketImpl Abstract datagram and multicast socket implementation base class.

HttpURLConnection A URLConnection with support for HTTP-specific features.

InetAddress This class represents an Internet Protocol (IP) address.

JarURLConnection A URL Connection to a Java ARchive (JAR) file or an entry in a JAR file.

MulticastSocket The multicast datagram socket class is useful for sending and receiving IP multicast packets.

NetPermission This class is for various network permissions.

PasswordAuthentication The class PasswordAuthentication is a data holder that is used by Authenticator.

ServerSocket This class implements server sockets.

Socket This class implements client sockets (also called just "sockets").

SocketImpl The abstract class SocketImpl is a common superclass of all classes that actually implement sockets.

SocketPermission This class represents access to a network via sockets.

URL Class URL represents a Uniform Resource Locator, a pointer to a "resource" on the World Wide Web.

URLClassLoader This class loader is used to load classes and resources from a search path of URLs referring to both JAR files and directories.

URLConnection The abstract class URLConnection is the superclass of all classes that represent a communications link between the application and a URL.

URLDecoder The class contains a utility method for converting from a MIME format called "x-www-form-urlencoded" to a String

URLEncoder The class contains a utility method for converting a String into a MIME format called "x-www-form-urlencoded" format.

URLStreamHandler The abstract class URLStreamHandler is the common superclass for all stream protocol handlers.

Exception Summary

BindException Signals that an error occurred while attempting to bind a socket to a local address and port.

ConnectException Signals that an error occurred while attempting to connect a socket to a remote address and port.

MalformedURLException Thrown to indicate that a malformed URL has occurred.

NoRouteToHostException Signals that an error occurred while attempting to connect a socket to a remote address and port.

ProtocolException Thrown to indicate that there is an error in the underlying protocol, such as a TCP error.

SocketException Thrown to indicate that there is an error in the underlying protocol, such as a TCP error.

UnknownHostException Thrown to indicate that the IP address of a host could not be determined.

UnknownServiceException Thrown to indicate that an unknown service exception has occurred.

Package java.net Description

Provides the classes for implementing networking applications. Using the socket classes, you can communicate with any server on the Internet or implement your own Internet server. A number of classes are provided to make it convenient to use Universal Resource Locators (URLs) to retrieve data on the Internet.

Since:: JDK1.0