ch.javasoft.jsmat
Class MatFileWriter

java.lang.Object
  ch.javasoft.jsmat.MatWriter<RandomAccessFile>
      ch.javasoft.jsmat.MatFileWriter

public class MatFileWriter
extends MatWriter<RandomAccessFile>

The MatFileWriter writes a .mat file.

This class is a memory efficient version of MatOutputStreamWriter optimized for file targets. A RandomAccessFile is used to write the file.

Field Summary

Fields inherited from class ch.javasoft.jsmat.MatWriter

mReservedWriter

Constructor Summary

MatFileWriter(File file)
Constructor to write to the given file

MatFileWriter(RandomAccessFile file)
Constructor to write to the given ras file

Method Summary

void	close() Closes the underlying file
protected VariableWriter	createVariableWriter() Creates a writer for variable output.
protected void	initDataOutput(RandomAccessFile ras) The file is cleared, that is, RandomAccessFile.setLength(long) is called.

Methods inherited from class ch.javasoft.jsmat.MatWriter

checkNoReservedWriter, createReservedWriter, createReservedWriter, write, write

Methods inherited from class java.lang.Object

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

Constructor Detail

MatFileWriter

public MatFileWriter(File file)
              throws IOException

Constructor to write to the given file

Parameters:

file - the file to create

Throws:

IOException - if any io exception occurs

MatFileWriter

public MatFileWriter(RandomAccessFile file)
              throws IOException

Constructor to write to the given ras file

Parameters:

file - the ras file to create

Throws:

IOException - if any io exception occurs

Method Detail

initDataOutput

protected void initDataOutput(RandomAccessFile ras)
                       throws IOException

The file is cleared, that is, RandomAccessFile.setLength(long) is called.

Specified by:

initDataOutput in class MatWriter<RandomAccessFile>

Parameters:

ras - the data output object to initialize

Throws:

IOException

createVariableWriter

protected VariableWriter createVariableWriter()
                                       throws IOException

Description copied from class: MatWriter

Creates a writer for variable output. Variables are written compressed, which needs some initialization executed when VariableWriter.open() is called. The same structures must be released again after writing the variable data, which is done in VariableWriter.close().

Specified by:

createVariableWriter in class MatWriter<RandomAccessFile>

Throws:

IOException

close

public void close()
           throws IOException

Closes the underlying file

Specified by:

close in class MatWriter<RandomAccessFile>

Throws:

IOException - if any io exception occurs