uk.me.parabola.imgfmt.sys
Class FileImgChannel
java.lang.Object
uk.me.parabola.imgfmt.sys.FileImgChannel
- All Implemented Interfaces:
- java.io.Closeable, java.nio.channels.ByteChannel, java.nio.channels.Channel, java.nio.channels.ReadableByteChannel, java.nio.channels.WritableByteChannel, ImgChannel
public class FileImgChannel
- extends java.lang.Object
- implements ImgChannel
This is an implementation of ImgChannel that delegates to a regular channel.
It can therefore be used to read or write regular files on the file system.
- Author:
- Steve Ratcliffe
Method Summary |
void |
close()
|
boolean |
isOpen()
|
long |
position()
Get the file position. |
void |
position(long pos)
Set the position within the file. |
int |
read(java.nio.ByteBuffer dst)
|
int |
write(java.nio.ByteBuffer src)
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
FileImgChannel
public FileImgChannel(java.lang.String filename)
FileImgChannel
public FileImgChannel(java.lang.String filename,
java.lang.String mode)
FileImgChannel
public FileImgChannel(java.nio.channels.FileChannel channel)
read
public int read(java.nio.ByteBuffer dst)
throws java.io.IOException
- Specified by:
read
in interface java.nio.channels.ReadableByteChannel
- Throws:
java.io.IOException
isOpen
public boolean isOpen()
- Specified by:
isOpen
in interface java.nio.channels.Channel
close
public void close()
throws java.io.IOException
- Specified by:
close
in interface java.io.Closeable
- Specified by:
close
in interface java.nio.channels.Channel
- Throws:
java.io.IOException
write
public int write(java.nio.ByteBuffer src)
throws java.io.IOException
- Specified by:
write
in interface java.nio.channels.WritableByteChannel
- Throws:
java.io.IOException
position
public long position()
- Get the file position. Note that this is a logical position relative to the
beginning of the file (the file within the .img file, not the beginning of the
.img file itself).
- Specified by:
position
in interface ImgChannel
- Returns:
- The offset in bytes from the beginning of the file.
position
public void position(long pos)
- Set the position within the file.
- Specified by:
position
in interface ImgChannel
- Parameters:
pos
- The position to set.