antlr
Class PreservingFileWriter

java.lang.Object
  |
  +--java.io.Writer
        |
        +--java.io.OutputStreamWriter
              |
              +--java.io.FileWriter
                    |
                    +--antlr.PreservingFileWriter

public class PreservingFileWriter

extends FileWriter

PreservingFileWriter only overwrites target if the new file is different. Mainly added in order to prevent big and unnecessary recompiles in C++ projects. I/O is buffered.

Field Summary

protected File	target_file
protected File	tmp_file

Fields inherited from class java.io.Writer

lock

Constructor Summary

PreservingFileWriter(String file)

Method Summary

void	close() Close the file and see if the actual target is different if so the target file is overwritten by the copy.

Methods inherited from class java.io.OutputStreamWriter

flush, getEncoding, write, write, write

Methods inherited from class java.io.Writer

write, write

Methods inherited from class java.lang.Object

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

Field Detail

target_file

protected File target_file

tmp_file

protected File tmp_file

Constructor Detail

PreservingFileWriter

public PreservingFileWriter(String file)
                     throws IOException

Method Detail

close

public void close()
           throws IOException

Close the file and see if the actual target is different if so the target file is overwritten by the copy. If not we do nothing

Overrides:

close in class OutputStreamWriter

IOException