org.geotools.util

Class EchoWriter

Object

Writer

FilterWriter

EchoWriter

All Implemented Interfaces:

Closeable, Flushable, Appendable, AutoCloseable

public class EchoWriter
extends 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

Author:

Martin Desruisseaux (IRD)

Field Summary

Fields inherited from class FilterWriter

out

Fields inherited from class Writer

lock

Constructor Summary

Constructors

Constructor and Description
EchoWriter(Writer main) Creates a writer that will echo to the standard output.
EchoWriter(Writer main, Writer echo) Creates a copy writter for the specified stream.

Method Summary

Modifier and Type	Method and Description
void	close() Closes the main stream and the echo stream.
void	flush() Flushs both streams.
void	write(char[] cbuf) Writes an array of characters.
void	write(char[] cbuf, int offset, int length) Writes a portion of an array of characters.
void	write(int c) Writes a single character.
void	write(String string) Writes a string.
void	write(String string, int offset, int length) Writes a portion of a string.

Methods inherited from class Writer

append, append, append

Methods inherited from class Object

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

Constructor Detail

EchoWriter

public EchoWriter(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(Writer main,
                  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 IOException

Writes a single character.

Overrides:

write in class FilterWriter

Parameters:

c - The character to write.

Throws:

IOException - If an I/O error occurs.

write

public void write(char[] cbuf)
           throws IOException

Writes an array of characters.

Overrides:

write in class Writer

Parameters:

cbuf - Buffer of characters to be written.

Throws:

IOException - If an I/O error occurs.

write

public void write(char[] cbuf,
                  int offset,
                  int length)
           throws IOException

Writes a portion of an array of characters.

Overrides:

write in class FilterWriter

Parameters:

cbuf - Buffer of characters to be written.

offset - Offset from which to start reading characters.

length - Number of characters to be written.

Throws:

IOException - If an I/O error occurs.

write

public void write(String string)
           throws IOException

Writes a string.

Overrides:

write in class Writer

Parameters:

string - String to be written.

Throws:

IOException - If an I/O error occurs.

write

public void write(String string,
                  int offset,
                  int length)
           throws IOException

Writes a portion of a string.

Overrides:

write in class FilterWriter

Parameters:

string - String to be written.

offset - Offset from which to start writing characters.

length - Number of characters to write.

Throws:

IOException - If an I/O error occurs.

flush

public void flush()
           throws IOException

Flushs both streams.

Specified by:

flush in interface Flushable

Overrides:

flush in class FilterWriter

Throws:

IOException - If an I/O error occurs.

close

public void close()
           throws IOException

Closes the main stream and the echo stream. In the particular case of writers created with the one argument constructor, the echo stream will not be closed since it maps to the standard output.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Overrides:

close in class FilterWriter

Throws:

IOException - If an I/O error occurs.