org.apache.poi.util

Class LittleEndianByteArrayInputStream

java.lang.Object

java.io.InputStream

java.io.ByteArrayInputStream

org.apache.poi.util.LittleEndianByteArrayInputStream

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, LittleEndianInput

public class LittleEndianByteArrayInputStream
extends java.io.ByteArrayInputStream
implements LittleEndianInput

Adapts a plain byte array to LittleEndianInput

Field Summary

Fields inherited from class java.io.ByteArrayInputStream

buf, count, mark, pos

Constructor Summary

Constructors

Constructor and Description
LittleEndianByteArrayInputStream(byte[] buf)
LittleEndianByteArrayInputStream(byte[] buf, int startOffset)
LittleEndianByteArrayInputStream(byte[] buf, int startOffset, int maxReadLen)

Method Summary

Modifier and Type	Method and Description
protected void	checkPosition(int i)
int	getReadIndex()
byte	readByte()
double	readDouble()
void	readFully(byte[] buffer)
void	readFully(byte[] buffer, int off, int len)
int	readInt()
long	readLong()
void	readPlain(byte[] buf, int off, int len) Usually acts the same as LittleEndianInput.readFully(byte[], int, int), but for an encrypted stream the raw (unencrypted) data is filled
short	readShort()
int	readUByte()
long	readUInt()
int	readUShort()
void	setReadIndex(int pos)

Methods inherited from class java.io.ByteArrayInputStream

available, close, mark, markSupported, read, read, reset, skip

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

Methods inherited from interface org.apache.poi.util.LittleEndianInput

available

Constructor Detail

LittleEndianByteArrayInputStream

public LittleEndianByteArrayInputStream(byte[] buf,
                                        int startOffset,
                                        int maxReadLen)

LittleEndianByteArrayInputStream

public LittleEndianByteArrayInputStream(byte[] buf,
                                        int startOffset)

LittleEndianByteArrayInputStream

public LittleEndianByteArrayInputStream(byte[] buf)

Method Detail

checkPosition

protected void checkPosition(int i)

getReadIndex

public int getReadIndex()

setReadIndex

public void setReadIndex(int pos)

readByte

public byte readByte()

Specified by:

readByte in interface LittleEndianInput

readInt

public int readInt()

Specified by:

readInt in interface LittleEndianInput

readLong

public long readLong()

Specified by:

readLong in interface LittleEndianInput

readShort

public short readShort()

Specified by:

readShort in interface LittleEndianInput

readUByte

public int readUByte()

Specified by:

readUByte in interface LittleEndianInput

readUShort

public int readUShort()

Specified by:

readUShort in interface LittleEndianInput

readUInt

public long readUInt()

readDouble

public double readDouble()

Specified by:

readDouble in interface LittleEndianInput

readFully

public void readFully(byte[] buffer,
                      int off,
                      int len)

Specified by:

readFully in interface LittleEndianInput

readFully

public void readFully(byte[] buffer)

Specified by:

readFully in interface LittleEndianInput

readPlain

public void readPlain(byte[] buf,
                      int off,
                      int len)

Description copied from interface: LittleEndianInput

Usually acts the same as LittleEndianInput.readFully(byte[], int, int), but for an encrypted stream the raw (unencrypted) data is filled

Specified by:

readPlain in interface LittleEndianInput

Parameters:

buf - the byte array to receive the bytes

off - the start offset into the byte array

len - the amount of bytes to fill