org.apache.avalon.fortress.tools
Class ChangedFileOutputStream

java.lang.Object
  java.io.OutputStream
      org.apache.avalon.fortress.tools.ChangedFileOutputStream

public final class ChangedFileOutputStream

extends java.io.OutputStream

OutputStream which will only update an existing file if its contents actually change. Needed to keep Ant from rebuilding jars even when nothing has changed.

Version:

CVS $Revision: 1.1 $ $Date: 2004/04/02 08:29:44 $

Author:

The Avalon Team

Constructor Summary

ChangedFileOutputStream(java.io.File file)
Creates a new ChangedFileOutputStream.

Method Summary

void	close() Close the stream.
void	write(int b) Writes the specified byte to this output stream.

Methods inherited from class java.io.OutputStream

flush, write, write

Methods inherited from class java.lang.Object

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

Constructor Detail

ChangedFileOutputStream

public ChangedFileOutputStream(java.io.File file)

Creates a new ChangedFileOutputStream.

Parameters:

file - The file to write to.

Method Detail

write

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

Writes the specified byte to this output stream.

Parameters:

b - Byte to write.

Throws:

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

close

public void close()
           throws java.io.IOException

Close the stream.

Throws:

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