java.io
Class Writer

java.lang.Object
  |
  +--java.io.Writer

Direct Known Subclasses:

OutputStreamWriter

public abstract class Writer

extends Object

Class for writing to character streams

Field Summary

protected Object

lock The lock object

Constructor Summary

protected	Writer() create the writer that locks on itself
protected	Writer(Object lock) create a writer that locks on the requested object

Method Summary

abstract void	close() Close the stream
abstract void	flush() Flush the buffer
void	write(char[] cbuf) Write a character array
abstract void	write(char[] cbuf, int off, int len) Write a portion of a character array
void	write(int c) Write a character
void	write(java.lang.String str) Write a string to the stream
void	write(java.lang.String str, int off, int len) Write a number of characters from a string to the stream

Methods inherited from class java.lang.Object

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

Field Detail

lock

protected Object lock

The lock object

Constructor Detail

Writer

protected Writer()

create the writer that locks on itself

Writer

protected Writer(Object lock)

create a writer that locks on the requested object

Parameters:

lock - The lock to use

Method Detail

write

public void write(int c)
           throws IOException

Write a character

Parameters:

c - The character to write - only use the low 16 bits

Throws:

IOException - if there is an IO error

write

public void write(char[] cbuf)
           throws IOException

Write a character array

Parameters:

cbuf - The buffer to write

Throws:

IOException - if there is a problem

write

public abstract void write(char[] cbuf,
                           int off,
                           int len)
                    throws IOException

Write a portion of a character array

Parameters:

cbuf - The buffer to write

off - The offset into the buffer

len - The number of characters to write

Throws:

IOException - if there is an IO error

write

public void write(java.lang.String str)
           throws IOException

Write a string to the stream

Parameters:

str - The string

Throws:

IOException - if there is an IO error

write

public void write(java.lang.String str,
                  int off,
                  int len)
           throws IOException

Write a number of characters from a string to the stream

Parameters:

str - The string

off - The offset into the string

len - The length of the string

Throws:

IOException - if there is an IO error

flush

public abstract void flush()
                    throws IOException

Flush the buffer

Throws:

IOException - if there is an IO error

close

public abstract void close()
                    throws IOException

Close the stream

Throws:

IOException - if there is an IO error