com.caucho.vfs

Class Crc64Stream

java.lang.Object

com.caucho.vfs.StreamImpl

com.caucho.vfs.Crc64Stream

public class Crc64Stream
extends StreamImpl

Field Summary

Fields inherited from class com.caucho.vfs.StreamImpl

_nullPath, _path

Constructor Summary

Constructors

Constructor and Description
Crc64Stream()
Crc64Stream(StreamImpl next)

Method Summary

Modifier and Type	Method and Description
boolean	canRead() Returns true if the stream can read.
boolean	canWrite() Returns true if the stream can write.
void	clearWrite() Clears any buffered values in the write.
void	close() Closes the stream output.
void	closeWrite() Closes the write output.
void	flush() Flushes the write output.
long	getCRC() Returns the CRC value.
Path	getPath() Returns the path.
void	init(StreamImpl next) Initialize the filter with a new stream.
int	read(byte[] buffer, int offset, int length) Reads a buffer from the underlying stream.
void	setPath(Path path) Sets the path.
void	write(byte[] buffer, int offset, int length, boolean isEnd) Writes a buffer to the underlying stream.

Methods inherited from class com.caucho.vfs.StreamImpl

flushBuffer, flushToDisk, getAttribute, getAttributeNames, getAvailable, getFlushOnNewline, getNewline, getReadBuffer, getReadPosition, hasSkip, isClosed, isEof, isMmapEnabled, isSendfileEnabled, readNonBlock, readTimeout, removeAttribute, seekEnd, seekStart, setAttribute, setWriteEncoding, skip, write, writeMmap, writeSendfile

Methods inherited from class java.lang.Object

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

Constructor Detail

Crc64Stream

public Crc64Stream(StreamImpl next)

Crc64Stream

public Crc64Stream()

Method Detail

init

public void init(StreamImpl next)

Initialize the filter with a new stream.

getCRC

public long getCRC()

Returns the CRC value.

canRead

public boolean canRead()

Returns true if the stream can read.

Overrides:

canRead in class StreamImpl

read

public int read(byte[] buffer,
                int offset,
                int length)
         throws java.io.IOException

Reads a buffer from the underlying stream.

Overrides:

read in class StreamImpl

Parameters:

buffer - the byte array to read.

offset - the offset into the byte array.

length - the number of bytes to read.

Returns:

the number of bytes read or -1 on end of file.

Throws:

java.io.IOException

canWrite

public boolean canWrite()

Returns true if the stream can write.

Overrides:

canWrite in class StreamImpl

write

public void write(byte[] buffer,
                  int offset,
                  int length,
                  boolean isEnd)
           throws java.io.IOException

Writes a buffer to the underlying stream.

Overrides:

write in class StreamImpl

Parameters:

buffer - the byte array to write.

offset - the offset into the byte array.

length - the number of bytes to write.

isEnd - true when the write is flushing a close.

Throws:

java.io.IOException

clearWrite

public void clearWrite()

Clears any buffered values in the write.

Overrides:

clearWrite in class StreamImpl

flush

public void flush()
           throws java.io.IOException

Flushes the write output.

Overrides:

flush in class StreamImpl

Throws:

java.io.IOException

closeWrite

public void closeWrite()
                throws java.io.IOException

Closes the write output.

Overrides:

closeWrite in class StreamImpl

Throws:

java.io.IOException

getPath

public Path getPath()

Returns the path.

Overrides:

getPath in class StreamImpl

setPath

public void setPath(Path path)

Sets the path.

Overrides:

setPath in class StreamImpl

close

public void close()
           throws java.io.IOException

Closes the stream output.

Overrides:

close in class StreamImpl

Throws:

java.io.IOException