ch.randelshofer.media.binary
Class FileBasedBinaryModel

java.lang.Object
  ch.randelshofer.media.binary.FileBasedBinaryModel

All Implemented Interfaces:

BinaryModel

public class FileBasedBinaryModel
extends java.lang.Object
implements BinaryModel

FileBasedBinaryModel.

FIXME - The file based binary model may grow infinitely large.

Version:

1.0.1 2010-05-24 Method getBytes sometimes returned invalid length.
1.0 2010-04-09 Created.

Author:

Werner Randelshofer

Constructor Summary

FileBasedBinaryModel(java.io.File file)

FileBasedBinaryModel(java.io.File file, long offset, long length)

Method Summary

void	close() Closes the model and disposes all resources.
void	finalize()
int	getBytes(long off, int len, byte[] target) Gets a sequence of bytes and copies them into the supplied byte array.
long	getLength() Returns the total length of the binary data.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

FileBasedBinaryModel

public FileBasedBinaryModel(java.io.File file)
                     throws java.io.IOException

Throws:

java.io.IOException

FileBasedBinaryModel

public FileBasedBinaryModel(java.io.File file,
                            long offset,
                            long length)
                     throws java.io.IOException

Throws:

java.io.IOException

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getLength

public long getLength()

Description copied from interface: BinaryModel

Returns the total length of the binary data.

Specified by:

getLength in interface BinaryModel

getBytes

public int getBytes(long off,
                    int len,
                    byte[] target)

Description copied from interface: BinaryModel

Gets a sequence of bytes and copies them into the supplied byte array.

Specified by:

getBytes in interface BinaryModel

Parameters:

off - the starting offset >= 0

len - the number of bytes >= 0 && <= size - offset

target - the target array to copy into

close

public void close()

Description copied from interface: BinaryModel

Closes the model and disposes all resources.

Specified by:

close in interface BinaryModel

finalize

public void finalize()

Overrides:

finalize in class java.lang.Object