Package org.apache.coyote.http11.upgrade

Class UpgradeServletInputStream

java.lang.Object

java.io.InputStream

javax.servlet.ServletInputStream

org.apache.coyote.http11.upgrade.UpgradeServletInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class UpgradeServletInputStream
extends ServletInputStream

Constructor Summary

Constructors

Constructor	Description
UpgradeServletInputStream(UpgradeProcessorBase processor, SocketWrapperBase<?> socketWrapper, UpgradeInfo upgradeInfo)

Method Summary

Modifier and Type	Method	Description
void	close()
final boolean	isFinished()	Has the end of this InputStream been reached?
final boolean	isReady()	Can data be read from this InputStream without blocking?
final int	read()
final int	read(byte[] b, int off, int len)
final int	readLine(byte[] b, int off, int len)	Reads the input stream, one line at a time.
final void	setReadListener(ReadListener listener)	Sets the ReadListener for this ServletInputStream and thereby switches to non-blocking IO.

Methods inherited from class java.io.InputStream

available, mark, markSupported, nullInputStream, read, readAllBytes, readNBytes, readNBytes, reset, skip, skipNBytes, transferTo

Methods inherited from class java.lang.Object

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

Constructor Details

UpgradeServletInputStream

public UpgradeServletInputStream(UpgradeProcessorBase processor,
 SocketWrapperBase<?> socketWrapper,
 UpgradeInfo upgradeInfo)

Method Details

isFinished

public final boolean isFinished()

Description copied from class: javax.servlet.ServletInputStream

Has the end of this InputStream been reached?

Specified by:

isFinished in class ServletInputStream

Returns:

true if all the data has been read from the stream, else false

isReady

public final boolean isReady()

Description copied from class: javax.servlet.ServletInputStream

Can data be read from this InputStream without blocking? Returns If this method is called and returns false, the container will invoke ReadListener.onDataAvailable() when data is available.

Specified by:

isReady in class ServletInputStream

Returns:

true if data can be read without blocking, else false

setReadListener

public final void setReadListener(ReadListener listener)

Description copied from class: javax.servlet.ServletInputStream

Sets the ReadListener for this ServletInputStream and thereby switches to non-blocking IO. It is only valid to switch to non-blocking IO within async processing or HTTP upgrade processing.

Specified by:

setReadListener in class ServletInputStream

Parameters:

listener - The non-blocking IO read listener

read

public final int read()
               throws IOException

Specified by:

read in class InputStream

Throws:

IOException

readLine

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

Description copied from class: javax.servlet.ServletInputStream

Reads the input stream, one line at a time. Starting at an offset, reads bytes into an array, until it reads a certain number of bytes or reaches a newline character, which it reads into the array as well.

This method returns -1 if it reaches the end of the input stream before reading the maximum number of bytes.

Overrides:

readLine in class ServletInputStream

Parameters:

b - an array of bytes into which data is read

off - an integer specifying the character at which this method begins reading

len - an integer specifying the maximum number of bytes to read

Returns:

an integer specifying the actual number of bytes read, or -1 if the end of the stream is reached

Throws:

IOException - if an input or output exception has occurred

read

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

Overrides:

read in class InputStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class InputStream

Throws:

IOException