File	Doc	Category	Size	Date	Package
ServerSocketChannel.java	API Doc	Java SE 5 API	5653	Fri Aug 26 14:57:10 BST 2005	java.nio.channels

ServerSocketChannel

• java.lang.Object
  • java.nio.channels.spi.AbstractInterruptibleChannel
    • java.nio.channels.SelectableChannel
      • java.nio.channels.spi.AbstractSelectableChannel

Fields Summary

Constructors Summary
protected ServerSocketChannel(SelectorProvider provider) Initializes a new instance of this class. super(provider);

Methods Summary
public abstract java.nio.channels.SocketChannel	accept() Accepts a connection made to this channel's socket. If this channel is in non-blocking mode then this method will immediately return null if there are no pending connections. Otherwise it will block indefinitely until a new connection is available or an I/O error occurs. The socket channel returned by this method, if any, will be in blocking mode regardless of the blocking mode of this channel. This method performs exactly the same security checks as the {@link java.net.ServerSocket#accept accept} method of the {@link java.net.ServerSocket} class. That is, if a security manager has been installed then for each new connection this method verifies that the address and port number of the connection's remote endpoint are permitted by the security manager's {@link java.lang.SecurityManager#checkAccept checkAccept} method. return The socket channel for the new connection, or null if this channel is in non-blocking mode and no connection is available to be accepted throws ClosedChannelException If this channel is closed throws AsynchronousCloseException If another thread closes this channel while the accept operation is in progress throws ClosedByInterruptException If another thread interrupts the current thread while the accept operation is in progress, thereby closing the channel and setting the current thread's interrupt status throws NotYetBoundException If this channel's socket has not yet been bound throws SecurityException If a security manager has been installed and it does not permit access to the remote endpoint of the new connection throws IOException If some other I/O error occurs
public static java.nio.channels.ServerSocketChannel	open() Opens a server-socket channel. The new channel is created by invoking the {@link java.nio.channels.spi.SelectorProvider#openServerSocketChannel openServerSocketChannel} method of the system-wide default {@link java.nio.channels.spi.SelectorProvider} object. The new channel's socket is initially unbound; it must be bound to a specific address via one of its socket's {@link java.net.ServerSocket#bind(SocketAddress) bind} methods before connections can be accepted. return A new socket channel throws IOException If an I/O error occurs return SelectorProvider.provider().openServerSocketChannel();
public abstract java.net.ServerSocket	socket() Retrieves a server socket associated with this channel. The returned object will not declare any public methods that are not declared in the {@link java.net.ServerSocket} class. return A server socket associated with this channel
public final int	validOps() Returns an operation set identifying this channel's supported operations. Server-socket channels only support the accepting of new connections, so this method returns {@link SelectionKey#OP_ACCEPT}. return The valid-operation set return SelectionKey.OP_ACCEPT;