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org.apache.poi.util
Class LittleEndianByteArrayInputStream

java.lang.Object
  extended by java.io.InputStream
      extended by java.io.ByteArrayInputStream
          extended by org.apache.poi.util.LittleEndianByteArrayInputStream
All Implemented Interfaces:
java.io.Closeable, 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
LittleEndianByteArrayInputStream(byte[] buf)
           
LittleEndianByteArrayInputStream(byte[] buf, int startOffset)
           
LittleEndianByteArrayInputStream(byte[] buf, int startOffset, int maxReadLen)
           
 
Method Summary
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
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