Package hudson.util.io

Class RewindableFileOutputStream

java.lang.Object

java.io.OutputStream

hudson.util.io.RewindableFileOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

Direct Known Subclasses:

RewindableRotatingFileOutputStream

public class RewindableFileOutputStream
extends OutputStream

OutputStream that writes to a file.

Allows the caller to rewind the stream and override previous content with fresh new data.

Since:

2.18

Field Summary

Fields

Modifier and Type	Field	Description
protected final File	out

Constructor Summary

Constructors

Constructor	Description
RewindableFileOutputStream(File out)

Method Summary

Modifier and Type	Method	Description
void	close()
void	flush()
void	rewind()	In addition to close, ensure that the next "open" would truncate the file.
void	write(byte[] b)
void	write(byte[] b, int off, int len)
void	write(int b)

Methods inherited from class java.io.OutputStream

nullOutputStream

Methods inherited from class java.lang.Object

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

Field Details

out

protected final File out

Constructor Details

RewindableFileOutputStream

public RewindableFileOutputStream(File out)

Method Details

write

public void write(int b)
           throws IOException

Specified by:

write in class OutputStream

Throws:

IOException

write

public void write(byte[] b)
           throws IOException

Overrides:

write in class OutputStream

Throws:

IOException

write

public void write(byte[] b,
 int off,
 int len)
           throws IOException

Overrides:

write in class OutputStream

Throws:

IOException

flush

public void flush()
           throws IOException

Specified by:

flush in interface Flushable

Overrides:

flush in class OutputStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class OutputStream

Throws:

IOException

rewind

public void rewind()
            throws IOException

In addition to close, ensure that the next "open" would truncate the file.

Throws:

IOException