org.geotools.io
Class EchoWriter

java.lang.Object
  java.io.Writer
      java.io.FilterWriter
          org.geotools.io.EchoWriter

public class EchoWriter

extends java.io.FilterWriter

A writer that copy all output to an other stream. This writer can be used for perfoming an exact copy of what is sent to an other writer. For example, it may be used for echoing to the standard output the content sent to a file. This writer is usefull for debugging purpose.

Since:

2.1

Version:

$Id: EchoWriter.java 17672 2006-01-19 00:25:55Z desruisseaux $

Author:

Martin Desruisseaux

Field Summary

Fields inherited from class java.io.FilterWriter

out

Fields inherited from class java.io.Writer

lock

Constructor Summary

EchoWriter(java.io.Writer main)
Creates a writer that will echo to the standard output.

EchoWriter(java.io.Writer main, java.io.Writer echo)
Creates a copy writter for the specified stream.

Method Summary

void	close() Close the main stream, If this object has been constructed with the one argument constructor (i.e.
void	flush() Flush both streams.
void	write(char[] cbuf) Write an array of characters.
void	write(char[] cbuf, int off, int len) Write a portion of an array of characters.
void	write(int c) Write a single character.
void	write(java.lang.String str) Write a string.
void	write(java.lang.String str, int off, int len) Write a portion of a string.

Methods inherited from class java.lang.Object

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

Constructor Detail

EchoWriter

public EchoWriter(java.io.Writer main)

Creates a writer that will echo to the standard output. Each line to that standard output will be numbered.

Parameters:

main - The main stream.

EchoWriter

public EchoWriter(java.io.Writer main,
                  java.io.Writer echo)

Creates a copy writter for the specified stream.

Parameters:

main - The main stream.

echo - The echo stream.

Method Detail

write

public void write(int c)
           throws java.io.IOException

Write a single character.

Throws:

java.io.IOException - If an I/O error occurs

write

public void write(char[] cbuf)
           throws java.io.IOException

Write an array of characters.

Parameters:

cbuf - Buffer of characters to be written

Throws:

java.io.IOException - If an I/O error occurs

write

public void write(char[] cbuf,
                  int off,
                  int len)
           throws java.io.IOException

Write a portion of an array of characters.

Parameters:

cbuf - Buffer of characters to be written

off - Offset from which to start reading characters

len - Number of characters to be written

Throws:

java.io.IOException - If an I/O error occurs

write

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

Write a string.

Parameters:

str - String to be written

Throws:

java.io.IOException - If an I/O error occurs

write

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

Write a portion of a string.

Parameters:

str - A String

off - Offset from which to start writing characters

len - Number of characters to write

Throws:

java.io.IOException - If an I/O error occurs

flush

public void flush()
           throws java.io.IOException

Flush both streams.

Throws:

java.io.IOException - If an I/O error occurs

close

public void close()
           throws java.io.IOException

Close the main stream, If this object has been constructed with the one argument constructor (i.e. if the echo stream is the standard output), then the echo stream will not be closed. Otherwise it will be closed too.

Throws:

java.io.IOException - If an I/O error occurs