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org.jempeg.empeg.core
Class SeekableInputStream  

java.lang.Object
  java.io.InputStream
      org.jempeg.empeg.core.SeekableInputStream

All Implemented Interfaces:

java.io.Closeable

Direct Known Subclasses:

FileSeekableInputStream, MemorySeekableInputStream

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public abstract class SeekableInputStream

extends java.io.InputStream

SeekableInputStream is a Stream implementation that provides random access to the underlying data source.

Version:

$Revision: 1.2 $

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Constructor Summary

SeekableInputStream()

 

Method Summary
abstract  long	length()           Returns the length of this stream.
void	readFully(byte[] _buffer)           Reads _buffer.length bytes into the buffer starting at 0.
void	readFully(byte[] _buffer, int _pos, int _length)           Reads _length bytes into the buffer starting at _pos.
abstract  void	seek(long _position)           Seeks to the given position in the stream.
abstract  long	tell()           Returns the current position in the stream.

 

Methods inherited from class java.io.InputStream

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

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

SeekableInputStream

public SeekableInputStream()

Method Detail

tell

public abstract long tell()
                   throws java.io.IOException

Returns the current position in the stream.

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seek

public abstract void seek(long _position)
                   throws java.io.IOException

Seeks to the given position in the stream.

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length

public abstract long length()
                     throws java.io.IOException

Returns the length of this stream.

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readFully

public void readFully(byte[] _buffer,
                      int _pos,
                      int _length)
               throws java.io.IOException

Reads _length bytes into the buffer starting at _pos.

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readFully

public void readFully(byte[] _buffer)
               throws java.io.IOException

Reads _buffer.length bytes into the buffer starting at 0.

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