com.dctl.j2me.net
Class TCP

java.lang.Object
  |
  +--com.dctl.j2me.net.TCP

public class TCP

extends Object

This wraps up all the TCP socket methods

Constructor Summary

TCP()

Method Summary

static int	available(int handle) Return the number of bytes available in the buffer
static void	close(int handle) Close a socket
static void	connect(int handle, int address, int port) Connect the socket to a server
static int	createSocket() Create a new socket
static void	flush(int handle) Flush the buffer
static int	read(int handle) Return one byte of data from the stream
static int	read(int handle, byte[] buf, int off, int len) Read into a buffer from the stream
static int	skip(int handle, int n) Skip a number of bytes
static void	write(int handle, byte[] buf, int off, int len) Write a buffer to the stream
static void	write(int handle, int b) Write one byte to the socket

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TCP

public TCP()

Method Detail

createSocket

public static int createSocket()
                        throws IOException

Create a new socket

Returns:

the handle to use

Throws:

IOException - if there is an error

connect

public static void connect(int handle,
                           int address,
                           int port)
                    throws IOException

Connect the socket to a server

Parameters:

handle - The handle

address - The address of the server

port - The port on the server to connect to

Throws:

IOException - if there is an error

close

public static void close(int handle)
                  throws IOException

Close a socket

Parameters:

handle - The handle

Throws:

IOException - if there is an error

available

public static int available(int handle)
                     throws IOException

Return the number of bytes available in the buffer

Parameters:

handle - The handle

Throws:

IOException - if there is an error

read

public static int read(int handle)
                throws IOException

Return one byte of data from the stream

Parameters:

handle - The handle

Returns:

the byte or -1 if end of file

Throws:

IOException - if there is an error

read

public static int read(int handle,
                       byte[] buf,
                       int off,
                       int len)
                throws IOException

Read into a buffer from the stream

Parameters:

handle - The handle

buf - The buffer

off - The offset into the buffer

len - The maximum length to read

Returns:

the number of bytes read or -1 if EOF

Throws:

IOException - if there is an error

skip

public static int skip(int handle,
                       int n)
                throws IOException

Skip a number of bytes

Parameters:

handle - The handle

n - The number of bytes to skip

Returns:

the number of bytes skipped

Throws:

IOException - if there is an error

write

public static void write(int handle,
                         int b)
                  throws IOException

Write one byte to the socket

Parameters:

handle - The handle

b - The byte to write

Throws:

IOException - if there is an error

write

public static void write(int handle,
                         byte[] buf,
                         int off,
                         int len)
                  throws IOException

Write a buffer to the stream

Parameters:

handle - The handle

buf - The buffer

off - The offset into the buffer

len - The maximum length to write

Throws:

IOException - if there is an error

flush

public static void flush(int handle)
                  throws IOException

Flush the buffer

Parameters:

handle - The handle

Throws:

IOException - if there is an error