Package com.mckoi.store

Class StreamFile

java.lang.Object

com.mckoi.store.StreamFile

public class StreamFile
extends java.lang.Object

A RandomAccessFile that acts as an OutputStream, and can also be read as an InputStream.

Author:

Tobias Downer

Constructor Summary

Constructors

Constructor	Description
StreamFile(java.io.File file, java.lang.String mode)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	close()	Closes the file.
void	delete()	Deletes the file.
java.io.InputStream	getInputStream()	Returns an InputStream to the file that allows us to read from the start to the end of the file.
java.io.OutputStream	getOutputStream()	Opens an OutputStream to the file.
long	length()	Returns the current length of the data.
void	readFully(long position, byte[] buf, int off, int len)	Fully reads a block from a section of the file into the given byte[] array at the given position.
void	synch()	Synchs the file.

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamFile

public StreamFile(java.io.File file,
                  java.lang.String mode)
           throws java.io.IOException

Constructor.

Throws:

java.io.IOException

Method Detail

close

public void close()
           throws java.io.IOException

Closes the file.

Throws:

java.io.IOException

synch

public void synch()
           throws java.io.IOException

Synchs the file.

Throws:

java.io.IOException

delete

public void delete()
            throws java.io.IOException

Deletes the file.

Throws:

java.io.IOException

readFully

public void readFully(long position,
                      byte[] buf,
                      int off,
                      int len)
               throws java.io.IOException

Fully reads a block from a section of the file into the given byte[] array at the given position.

Throws:

java.io.IOException

length

public long length()

Returns the current length of the data.

getOutputStream

public java.io.OutputStream getOutputStream()
                                     throws java.io.IOException

Opens an OutputStream to the file. Only one output stream may be open on the file at once.

Throws:

java.io.IOException

getInputStream

public java.io.InputStream getInputStream()
                                   throws java.io.IOException

Returns an InputStream to the file that allows us to read from the start to the end of the file.

Throws:

java.io.IOException