com.pff

Class PSTNodeInputStream

java.lang.Object

java.io.InputStream

com.pff.PSTNodeInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class PSTNodeInputStream
extends InputStream

this input stream basically "maps" an input stream on top of the random access file

Author:

richard

Method Summary

Modifier and Type	Method and Description
Long[]	getBlockOffsets() Get the offsets (block positions) used in the array
PSTFile	getPSTFile()
boolean	isEncrypted()
long	length()
boolean	markSupported()
int	read()
int	read(byte[] output) Read a block from the input stream.
int	read(byte[] output, int offset, int length)
void	readCompletely(byte[] target) Read a block from the input stream, ensuring buffer is completely filled.
void	reset()
void	seek(long location)
long	seekAndReadLong(long location, int bytes)

Methods inherited from class java.io.InputStream

available, close, mark, skip

Methods inherited from class java.lang.Object

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

Method Detail

isEncrypted

public boolean isEncrypted()

length

public long length()

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

readCompletely

public void readCompletely(byte[] target)
                    throws IOException

Read a block from the input stream, ensuring buffer is completely filled. Recommended block size = 8176 (size used internally by PSTs)

Parameters:

target - buffer to fill

Throws:

IOException

read

public int read(byte[] output)
         throws IOException

Read a block from the input stream. Recommended block size = 8176 (size used internally by PSTs)

Overrides:

read in class InputStream

Parameters:

output -

Returns:

Throws:

IOException

read

public int read(byte[] output,
                int offset,
                int length)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

reset

public void reset()

Overrides:

reset in class InputStream

markSupported

public boolean markSupported()

Overrides:

markSupported in class InputStream

getBlockOffsets

public Long[] getBlockOffsets()

Get the offsets (block positions) used in the array

Returns:

seek

public void seek(long location)
          throws IOException,
                 PSTException

Throws:

IOException

PSTException

seekAndReadLong

public long seekAndReadLong(long location,
                            int bytes)
                     throws IOException,
                            PSTException

Throws:

IOException

PSTException

getPSTFile

public PSTFile getPSTFile()