com.thaiopensource.validate.auto
Class RewindableInputStream

java.lang.Object
  java.io.InputStream
      com.thaiopensource.validate.auto.RewindableInputStream

All Implemented Interfaces:

Rewindable, Closeable

public class RewindableInputStream
extends InputStream
implements Rewindable

Nested Class Summary

(package private) static class

RewindableInputStream.Block

Field Summary

private RewindableInputStream.Block	curBlock
private int	curBlockAvail If curBlockAvail > 0, then there are curBlockAvail bytes available to be returned starting at curBlockPos in curBlock.buf.
private int	curBlockPos
private boolean	eof true if we have got an EOF from the underlying InputStream
private RewindableInputStream.Block	head
private InputStream	in
private RewindableInputStream.Block	lastBlock
private boolean	pretendClosed
private boolean	saving true unless willNotRewind has been called

Constructor Summary

RewindableInputStream(InputStream in)

Method Summary

int	available()
boolean	canRewind()
void	close()
int	read()
int	read(byte[] b, int off, int len)
void	rewind()
void	willNotRewind()

Methods inherited from class java.io.InputStream

mark, markSupported, read, reset, skip

Methods inherited from class java.lang.Object

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

Field Detail

head

private RewindableInputStream.Block head

curBlockAvail

private int curBlockAvail

If curBlockAvail > 0, then there are curBlockAvail bytes available to be returned starting at curBlockPos in curBlock.buf.

curBlock

private RewindableInputStream.Block curBlock

curBlockPos

private int curBlockPos

lastBlock

private RewindableInputStream.Block lastBlock

saving

private boolean saving

true unless willNotRewind has been called

in

private final InputStream in

pretendClosed

private boolean pretendClosed

eof

private boolean eof

true if we have got an EOF from the underlying InputStream

Constructor Detail

RewindableInputStream

public RewindableInputStream(InputStream in)

Method Detail

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Overrides:

close in class InputStream

Throws:

IOException

rewind

public void rewind()

Specified by:

rewind in interface Rewindable

canRewind

public boolean canRewind()

Specified by:

canRewind in interface Rewindable

willNotRewind

public void willNotRewind()

Specified by:

willNotRewind in interface Rewindable

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

read

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

Overrides:

read in class InputStream

Throws:

IOException

available

public int available()
              throws IOException

Overrides:

available in class InputStream

Throws:

IOException