MPXJ: Microsoft Project Exchange

net.sf.mpxj.mpp
Class EncryptedDocumentInputStream

java.lang.Object
  java.io.InputStream
      net.sf.mpxj.mpp.EncryptedDocumentInputStream

All Implemented Interfaces:

java.io.Closeable

final class EncryptedDocumentInputStream
extends java.io.InputStream

This class wraps the POI DocumentInputStream class to allow data to be decrypted before passing it back to the caller.

Constructor Summary

EncryptedDocumentInputStream(DocumentEntry entry, int mask)
Constructor.

Method Summary

int	available()
void	close()
void	mark(int readlimit)
boolean	markSupported()
int	read()
int	read(byte[] b, int off, int len)
void	reset()
long	skip(long n)

Methods inherited from class java.io.InputStream

read

Methods inherited from class java.lang.Object

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

Constructor Detail

EncryptedDocumentInputStream

public EncryptedDocumentInputStream(DocumentEntry entry,
                                    int mask)
                             throws java.io.IOException

Constructor.

Parameters:

entry - file entry

mask - the mask used to decrypt the stream.

Throws:

java.io.IOException

Method Detail

read

public int read()
         throws java.io.IOException

Specified by:

read in class java.io.InputStream

Throws:

java.io.IOException

read

public int read(byte[] b,
                int off,
                int len)
         throws java.io.IOException

Overrides:

read in class java.io.InputStream

Throws:

java.io.IOException

available

public int available()

Overrides:

available in class java.io.InputStream

close

public void close()

Specified by:

close in interface java.io.Closeable

Overrides:

close in class java.io.InputStream

mark

public void mark(int readlimit)

Overrides:

mark in class java.io.InputStream

markSupported

public boolean markSupported()

Overrides:

markSupported in class java.io.InputStream

reset

public void reset()

Overrides:

reset in class java.io.InputStream

skip

public long skip(long n)
          throws java.io.IOException

Overrides:

skip in class java.io.InputStream

Throws:

java.io.IOException