org.mmbase.util.transformers

Class TransformingWriter

java.lang.Object

java.io.Writer

java.io.PipedWriter

org.mmbase.util.transformers.TransformingWriter

All Implemented Interfaces:

Closeable, Flushable, Appendable, AutoCloseable

public class TransformingWriter
extends PipedWriter

A Filtering Writer based on CharTransformers.

  ____  _________
 /    \/         \
 |this - PR --> W |
 | PW  |    T     |
 \____/ \________/


  PR: piped reader, this PW: this writer, T: transformer

  

This writer can be instantiated with another Writer and a CharTransformer. All writing will be transformed by the given CharTransformer before arriving at the given Writer. When ready, this TransformingWriter should be 'closed'. A coding example can be found in this classe's main method.

Since:

MMBase-1.7

Author:

Michiel Meeuwissen

See Also:

ChainedCharTransformer, TransformingReader

Field Summary

Fields inherited from class java.io.Writer

lock

Constructor Summary

Constructors

Constructor and Description
TransformingWriter(Writer out, CharTransformer charTransformer)

Method Summary

Modifier and Type	Method and Description
void	close() Also closes the wrapped Writer.
Throwable	getException()
static void	main(String[] args)
protected void	waitUntilReady()

Methods inherited from class java.io.PipedWriter

connect, flush, write, write

Methods inherited from class java.io.Writer

append, append, append, write, write, write

Methods inherited from class java.lang.Object

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

Constructor Detail

TransformingWriter

public TransformingWriter(Writer out,
                          CharTransformer charTransformer)

Method Detail

waitUntilReady

protected void waitUntilReady()
                       throws IOException

Throws:

IOException

getException

public Throwable getException()

close

public void close()
           throws IOException

Also closes the wrapped Writer.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Overrides:

close in class PipedWriter

Throws:

IOException

main

public static void main(String[] args)