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org.mortbay.http
Class ChunkingInputStream  

java.lang.Object
  java.io.InputStream
      org.mortbay.http.ChunkingInputStream

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public class ChunkingInputStream

extends java.io.InputStream

Dechunk input. Or limit content length.

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Field Summary
(package private)  int	_chunkSize
(package private)  org.mortbay.util.LineInput	_in
(package private)  HttpFields	_trailer
private static org.apache.commons.logging.Log	log

 

Constructor Summary

ChunkingInputStream(org.mortbay.util.LineInput in)           Constructor.

 

Method Summary
int	available()           This method returns the number of bytes that can be read from this stream before a read can block.
void	close()           This method closes the stream.
private  int	getChunkSize()
void	mark(int readlimit)           Not Implemented.
boolean	markSupported()           Mark is not supported.
int	read()           This method reads an unsigned byte from the input stream and returns it as an int in the range of 0-255.
int	read(byte[] b)           This method reads bytes from a stream and stores them into a caller supplied buffer.
int	read(byte[] b, int off, int len)           This method read bytes from a stream and stores them into a caller supplied buffer.
void	reset()           Not Implemented.
void	resetStream()
long	skip(long len)           This method skips the specified number of bytes in the stream.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

log

private static org.apache.commons.logging.Log log

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_chunkSize

int _chunkSize

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_trailer

HttpFields _trailer

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_in

org.mortbay.util.LineInput _in

Constructor Detail

ChunkingInputStream

public ChunkingInputStream(org.mortbay.util.LineInput in)

Constructor.

Method Detail

resetStream

public void resetStream()

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read

public int read()
         throws java.io.IOException

Description copied from class: java.io.InputStream

This method reads an unsigned byte from the input stream and returns it as an int in the range of 0-255. This method also will return -1 if the end of the stream has been reached.

This method will block until the byte can be read.

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read

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

Description copied from class: java.io.InputStream

This method reads bytes from a stream and stores them into a caller supplied buffer. This method attempts to completely fill the buffer, but can return before doing so. The actual number of bytes read is returned as an int. A -1 is returned to indicate the end of the stream.

This method will block until some data can be read.

This method operates by calling an overloaded read method like so: read(b, 0, b.length)

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read

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

Description copied from class: java.io.InputStream

This method read bytes from a stream and stores them into a caller supplied buffer. It starts storing the data at index off into the buffer and attempts to read len bytes. This method can return before reading the number of bytes requested. The actual number of bytes read is returned as an int. A -1 is returned to indicate the end of the stream.

This method will block until some data can be read.

This method operates by calling the single byte read() method in a loop until the desired number of bytes are read. The read loop stops short if the end of the stream is encountered or if an IOException is encountered on any read operation except the first. If the first attempt to read a bytes fails, the IOException is allowed to propagate upward. And subsequent IOException is caught and treated identically to an end of stream condition. Subclasses can (and should if possible) override this method to provide a more efficient implementation.

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skip

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

Description copied from class: java.io.InputStream

This method skips the specified number of bytes in the stream. It returns the actual number of bytes skipped, which may be less than the requested amount.

This method reads and discards bytes into a byte array until the specified number of bytes were skipped or until either the end of stream is reached or a read attempt returns a short count. Subclasses can override this metho to provide a more efficient implementation where one exists.

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available

public int available()
              throws java.io.IOException

Description copied from class: java.io.InputStream

This method returns the number of bytes that can be read from this stream before a read can block. A return of 0 indicates that blocking might (or might not) occur on the very next read attempt.

This method always returns 0 in this class

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close

public void close()
           throws java.io.IOException

Description copied from class: java.io.InputStream

This method closes the stream. Any futher attempts to read from the stream may generate an IOException

This method does nothing in this class, but subclasses may override this method in order to provide additional functionality.

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markSupported

public boolean markSupported()

Mark is not supported.

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reset

public void reset()

Not Implemented.

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mark

public void mark(int readlimit)

Not Implemented.

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getChunkSize

private int getChunkSize()
                  throws java.io.IOException

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SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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