org.sejda.io

Class CountingWritableByteChannel

java.lang.Object

org.sejda.io.CountingWritableByteChannel

All Implemented Interfaces:

Closeable, AutoCloseable, Channel, WritableByteChannel

public class CountingWritableByteChannel
extends Object
implements WritableByteChannel

A WritableByteChannel that keeps track of the number of written bytes

Author:

Andrea Vacondio

Constructor Summary

Constructors

Constructor and Description
CountingWritableByteChannel(WritableByteChannel wrapped)

Method Summary

Modifier and Type	Method and Description
void	close()
long	count()
static CountingWritableByteChannel	from(File file) Static factory method to create a CountingWritableByteChannel from an existing File.
static CountingWritableByteChannel	from(OutputStream stream) Static factory method to create a CountingWritableByteChannel from an existing OutputStream.
static CountingWritableByteChannel	from(String file) Static factory method to create a CountingWritableByteChannel from an existing file path.
static CountingWritableByteChannel	from(WritableByteChannel channel) Static factory method to create a CountingWritableByteChannel from an existing WritableByteChannel.
boolean	isOpen()
int	write(ByteBuffer src)

Methods inherited from class java.lang.Object

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

Constructor Detail

CountingWritableByteChannel

public CountingWritableByteChannel(WritableByteChannel wrapped)

Method Detail

count

public long count()

Returns:

the number of written bytes

write

public int write(ByteBuffer src)
          throws IOException

Specified by:

write in interface WritableByteChannel

Throws:

IOException

isOpen

public boolean isOpen()

Specified by:

isOpen in interface Channel

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Channel

Throws:

IOException

from

public static CountingWritableByteChannel from(WritableByteChannel channel)

Static factory method to create a CountingWritableByteChannel from an existing WritableByteChannel.

Parameters:

channel -

Returns:

the newly created CountingWritableByteChannel

from

public static CountingWritableByteChannel from(OutputStream stream)

Static factory method to create a CountingWritableByteChannel from an existing OutputStream.

Parameters:

stream -

Returns:

the newly created CountingWritableByteChannel

from

public static CountingWritableByteChannel from(File file)
                                        throws IOException

Static factory method to create a CountingWritableByteChannel from an existing File. If the file already exists its content is purged.

Parameters:

file -

Returns:

the newly created CountingWritableByteChannel

Throws:

IOException

See Also:

RandomAccessFile.RandomAccessFile(File, String)

from

public static CountingWritableByteChannel from(String file)
                                        throws IOException

Static factory method to create a CountingWritableByteChannel from an existing file path. If the file already exists its content is purged.

Parameters:

file -

Returns:

the newly created CountingWritableByteChannel

Throws:

IOException

See Also:

RandomAccessFile.RandomAccessFile(String, String)