org.w3c.www.http
Class ChunkedInputStream

java.lang.Object
  java.io.InputStream
      org.w3c.www.http.ChunkedInputStream

All Implemented Interfaces:

java.io.Closeable

public class ChunkedInputStream
extends java.io.InputStream

A Stream that parses and present chunk encoded data. This stream should only be used on top of a buffered input stream, it might be very inefficient otherwise. Chunk encoding is defined in version 1.1 of the HTTP specification.

Field Summary

protected int	ahead
protected org.w3c.www.http.HttpBuffer	buf
protected int	clen
protected boolean	eof
protected java.io.InputStream	in
protected boolean	inited
protected boolean	isahead
protected HttpStreamObserver	observer
protected org.w3c.www.http.ParseState	ps

Constructor Summary

ChunkedInputStream(HttpStreamObserver observer, java.io.InputStream in)

ChunkedInputStream(java.io.InputStream in)

Method Summary

int	available()
void	close()
void	finalize() Make sure the stream is ultimately closed !
protected int	nextChunk(boolean skipCRLF) Read in next chunk description.
int	read()
int	read(byte[] b, int off, int len)
long	skip(long n)

Methods inherited from class java.io.InputStream

mark, markSupported, read, reset

Methods inherited from class java.lang.Object

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

Field Detail

in

protected java.io.InputStream in

buf

protected org.w3c.www.http.HttpBuffer buf

ps

protected org.w3c.www.http.ParseState ps

inited

protected boolean inited

clen

protected int clen

ahead

protected int ahead

isahead

protected boolean isahead

eof

protected boolean eof

observer

protected HttpStreamObserver observer

Constructor Detail

ChunkedInputStream

public ChunkedInputStream(java.io.InputStream in)
                   throws java.io.IOException

Throws:

java.io.IOException

ChunkedInputStream

public ChunkedInputStream(HttpStreamObserver observer,
                          java.io.InputStream in)
                   throws java.io.IOException

Throws:

java.io.IOException

Method Detail

nextChunk

protected int nextChunk(boolean skipCRLF)
                 throws java.io.IOException

Read in next chunk description. Sets the eof flag to true when reached.

Returns:

The length of next incomming chunk of data.

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Overrides:

close in class java.io.InputStream

Throws:

java.io.IOException

read

public int read()
         throws java.io.IOException

Specified by:

read in class java.io.InputStream

Throws:

java.io.IOException

read

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

Overrides:

read in class java.io.InputStream

Throws:

java.io.IOException

available

public int available()
              throws java.io.IOException

Overrides:

available in class java.io.InputStream

Throws:

java.io.IOException

skip

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

Overrides:

skip in class java.io.InputStream

Throws:

java.io.IOException

finalize

public void finalize()

Make sure the stream is ultimately closed !

Overrides:

finalize in class java.lang.Object