com.dctl.j2me.io
Class SwitchableOutputStream

java.lang.Object
  |
  +--java.io.OutputStream
        |
        +--com.dctl.j2me.io.SwitchableOutputStream

All Implemented Interfaces:

Lockable, Writable

public class SwitchableOutputStream

extends OutputStream

implements Lockable

A switchable output stream can be used to dynamically reconfigure output streams at runtime without changing all the objects using the stream. This is ideally suited for debug streams, but can support other streams

Constructor Summary

SwitchableOutputStream()

Method Summary

void	close() Close the stream.
void	flush() Flush the stream.
void	lock() Lock the stream.
void	setStream(OutputStream out) Set the stream to use
void	unlock() Unlock the stream.
void	write(byte[] buf) Write an array of bytes to the stream
void	write(byte[] buf, int off, int len) Write an array of bytes to the stream
void	write(int b) Write a byte to the stream

Methods inherited from class java.lang.Object

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

Constructor Detail

SwitchableOutputStream

public SwitchableOutputStream()

Method Detail

setStream

public void setStream(OutputStream out)

Set the stream to use

Parameters:

out - The stream to use

lock

public void lock()

Lock the stream. This blocks until the lock is complete

Specified by:

lock in interface Lockable

unlock

public void unlock()

Unlock the stream. This unlocks the stream

Specified by:

unlock in interface Lockable

close

public void close()
           throws IOException

Close the stream. This closes the sub level stream

Overrides:

close in class OutputStream

Throws:

IOException - if there is an IO error

flush

public void flush()
           throws IOException

Flush the stream.

Overrides:

flush in class OutputStream

Throws:

IOException - if there is an IO error

write

public void write(byte[] buf)
           throws IOException

Write an array of bytes to the stream

Overrides:

write in class OutputStream

Parameters:

buf - The buffer to write

Throws:

IOException - if there is an IO error

write

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

Write an array of bytes to the stream

Specified by:

write in interface Writable

Overrides:

write in class OutputStream

Parameters:

buf - The buffer to write

off - The offset in the buffer

len - The length in the buffer

Throws:

IOException - if there is an IO error

write

public void write(int b)
           throws IOException

Write a byte to the stream

Specified by:

write in interface Writable

Specified by:

write in class OutputStream

Parameters:

b - The byte to write

Throws:

IOException - if there is an IO error