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com.imagero.uio
Class RandomAccessByteArrayRO  

java.lang.Object
  com.imagero.uio.AbstractRandomAccessRO
      com.imagero.uio.RandomAccessByteArrayRO

All Implemented Interfaces:

java.io.DataInput, Input, RandomAccessRO

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public class RandomAccessByteArrayRO

extends AbstractRandomAccessRO

Makes possible to access byte array as RandomAccessRO

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Nested Class Summary

 

Nested classes inherited from class com.imagero.uio.AbstractRandomAccessRO

AbstractRandomAccessRO.DataInputBE, AbstractRandomAccessRO.DataInputLE

 

Field Summary
(package private)  byte[]	buf
(package private)  int	fp
(package private)  int	length
(package private)  int	offset

 

Fields inherited from class com.imagero.uio.AbstractRandomAccessRO

byteOrder, dataInput

 

Fields inherited from interface com.imagero.uio.RandomAccessRO

BIG_ENDIAN, LITTLE_ENDIAN

 

Constructor Summary

RandomAccessByteArrayRO(byte[] data, int byteOrder)           create new RandomAccessByteArray

RandomAccessByteArrayRO(byte[] data, int off, int length, int byteOrder)           create new RandomAccessByteArray

 

Method Summary
protected  int	_read()
void	close()           does nothing
long	getFilePointer()           Since this is an interface and is not restricted to files, "getFilePointer" is wrong name for this method.
protected  int	getOffset()
long	length()           Returns the length of this byte array.
int	read()           Reads a byte of data from this byte array.
int	read(byte[] b)
int	read(byte[] b, int off, int length)
void	seek(long pos)           Sets the array-pointer offset, measured from the beginning of this byte array, at which the next read or write occurs.
protected  void	setOffset(int offset)
int	skip(int n)

 

Methods inherited from class com.imagero.uio.AbstractRandomAccessRO

_setByteOrder, getByteOrder, readBoolean, readByte, readByteLine, readByteOrder, readChar, readDouble, readFloat, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, setByteOrder, skipBytes

 

Methods inherited from class java.lang.Object

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

 

Field Detail

fp

int fp

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buf

byte[] buf

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length

int length

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offset

int offset

Constructor Detail

RandomAccessByteArrayRO

public RandomAccessByteArrayRO(byte[] data,
                               int byteOrder)
                        throws java.io.IOException

create new RandomAccessByteArray

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RandomAccessByteArrayRO

public RandomAccessByteArrayRO(byte[] data,
                               int off,
                               int length,
                               int byteOrder)
                        throws java.io.IOException

create new RandomAccessByteArray

Method Detail

read

public int read()

Reads a byte of data from this byte array. The byte is returned as an integer in the range 0 to 255 (0x00-0x0ff).

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_read

protected int _read()
             throws java.io.EOFException

Specified by:

_read in class AbstractRandomAccessRO

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read

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

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read

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

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close

public void close()

does nothing

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getOffset

protected int getOffset()

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setOffset

protected void setOffset(int offset)

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skip

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

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getFilePointer

public long getFilePointer()
                    throws java.io.IOException

Description copied from interface: RandomAccessRO

Since this is an interface and is not restricted to files, "getFilePointer" is wrong name for this method. But I leaved it so for easier porting from RandomAccessFile

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seek

public void seek(long pos)

Sets the array-pointer offset, measured from the beginning of this byte array, at which the next read or write occurs. The offset may NOT be set beyond the end of the byte array.

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length

public long length()

Returns the length of this byte array.

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