CADI.Common.LogicalTarget.JPEG2000.File
Class ReadJPEG2KFileFormat

java.lang.Object
  CADI.Common.LogicalTarget.JPEG2000.File.ReadJPEG2KFileFormat

public class ReadJPEG2KFileFormat
extends java.lang.Object

This class is only used to read which is the JPEG2000 file format (jpc, jp2, jpx, or jpk).

Version:

1.0 2008/10/07

Author:

Group on Interactive Coding of Images (GICI)

Field Summary

private int	fileFormat Definition in JP2LogicalTarget.fileFormatType
private BufferedDataInputStream	in Is an object with the input stream where the main header is read from.

Constructor Summary

ReadJPEG2KFileFormat(BufferedDataInputStream in)
Constructor.

Method Summary

int	getFileFormat() Returns the fileFormat attribute.
private void	readFileTypeBox(long length) Reads the File Type Box and checks its conformity.
private boolean	readSignatureBox() Reads the Signature Box and checks its conformity.
int	run()

Methods inherited from class java.lang.Object

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

Field Detail

in

private BufferedDataInputStream in

Is an object with the input stream where the main header is read from.

fileFormat

private int fileFormat

Definition in JP2LogicalTarget.fileFormatType

Constructor Detail

ReadJPEG2KFileFormat

public ReadJPEG2KFileFormat(BufferedDataInputStream in)

Constructor.

Parameters:

in - input stream where data will be read from.

Method Detail

run

public int run()
        throws java.io.EOFException,
               ErrorException,
               java.io.IOException

Returns:

the fileFormat attribute.

Throws:

java.io.IOException

ErrorException

java.io.EOFException

getFileFormat

public int getFileFormat()

Returns the fileFormat attribute.

Returns:

the fileFormat attribute.

readSignatureBox

private boolean readSignatureBox()
                          throws ErrorException,
                                 java.io.EOFException,
                                 java.io.IOException

Reads the Signature Box and checks its conformity.

Throws:

ErrorException - when the header information is ambiguous or incorrect

java.io.EOFException

java.io.IOException

readFileTypeBox

private void readFileTypeBox(long length)
                      throws ErrorException,
                             java.io.EOFException,
                             java.io.IOException

Reads the File Type Box and checks its conformity.

Parameters:

length -

Throws:

ErrorException - when the header information is ambiguous or incorrect

java.io.EOFException

java.io.IOException