Package org.codehaus.plexus.util.io

Class CachingOutputStream

java.lang.Object

java.io.OutputStream

org.codehaus.plexus.util.io.CachingOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public class CachingOutputStream
extends OutputStream

Caching OutputStream to avoid overwriting a file with the same content.

Field Summary

Fields

Modifier and Type	Field	Description
private FileChannel	channel
private boolean	modified
private final Path	path
private ByteBuffer	readBuffer
private ByteBuffer	writeBuffer

Constructor Summary

Constructors

Constructor	Description
CachingOutputStream(File path)
CachingOutputStream(Path path)
CachingOutputStream(Path path, int bufferSize)

Method Summary

Modifier and Type	Method	Description
void	close()
void	flush()
private void	flushBuffer(ByteBuffer writeBuffer)
boolean	isModified()
void	write(byte[] b)
void	write(byte[] b, int off, int len)
void	write(int b)

Methods inherited from class java.lang.Object

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

Field Details

path

private final Path path

channel

private FileChannel channel

readBuffer

private ByteBuffer readBuffer

writeBuffer

private ByteBuffer writeBuffer

modified

private boolean modified

Constructor Details

CachingOutputStream

public CachingOutputStream(File path)
                    throws IOException

Throws:

IOException

CachingOutputStream

public CachingOutputStream(Path path)
                    throws IOException

Throws:

IOException

CachingOutputStream

public CachingOutputStream(Path path,
 int bufferSize)
                    throws IOException

Throws:

IOException

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

flushBuffer

private void flushBuffer(ByteBuffer writeBuffer)
                  throws IOException

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

isModified

public boolean isModified()