com.caucho.quercus.lib.file
Class BufferedBinaryInputOutput

java.lang.Object
  com.caucho.quercus.lib.file.AbstractBinaryInputOutput
      com.caucho.quercus.lib.file.BufferedBinaryInputOutput

All Implemented Interfaces:

BinaryInput, BinaryOutput, BinaryStream

Direct Known Subclasses:

TcpInputOutput

public abstract class BufferedBinaryInputOutput
extends AbstractBinaryInputOutput

Represents a Quercus file open for reading

Field Summary

Fields inherited from class com.caucho.quercus.lib.file.AbstractBinaryInputOutput

_env, _isEOF, _isTimeout, _lineReader

Fields inherited from interface com.caucho.quercus.lib.file.BinaryStream

SEEK_CUR, SEEK_END, SEEK_SET

Constructor Summary

protected

BufferedBinaryInputOutput(Env env)

Method Summary

long	getPosition() Returns the current location in the file.
void	init(ReadStream is, WriteStream os)
int	read() Reads a character from a file, returning -1 on EOF.
int	read(char[] buffer, int offset, int length) Reads a buffer from a file, returning -1 on EOF.
StringValue	readLine(long length) Reads a line from a file, returning null on EOF.
void	setEncoding(java.lang.String encoding)
boolean	setPosition(long offset) Sets the current location in the file.
Value	stat() Returns an array filled with stat information.
java.lang.String	toString() Converts to a string.
void	unread() Unread the last byte.
void	writeToStream(java.io.OutputStream os, int length)

Methods inherited from class com.caucho.quercus.lib.file.AbstractBinaryInputOutput

appendTo, close, closeRead, closeWrite, flush, getEnv, getInputStream, getOutputStream, getResourceType, init, isEOF, isTimeout, openCopy, print, print, read, read, readOptionalLinefeed, seek, setTimeout, toJavaObject, write, write, write

Methods inherited from class java.lang.Object

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

Constructor Detail

BufferedBinaryInputOutput

protected BufferedBinaryInputOutput(Env env)

Method Detail

init

public void init(ReadStream is,
                 WriteStream os)

setEncoding

public void setEncoding(java.lang.String encoding)
                 throws java.io.UnsupportedEncodingException

Throws:

java.io.UnsupportedEncodingException

unread

public void unread()
            throws java.io.IOException

Unread the last byte.

Specified by:

unread in interface BinaryInput

Specified by:

unread in class AbstractBinaryInputOutput

Throws:

java.io.IOException

read

public int read()
         throws java.io.IOException

Reads a character from a file, returning -1 on EOF.

Specified by:

read in interface BinaryInput

Overrides:

read in class AbstractBinaryInputOutput

Throws:

java.io.IOException

read

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

Reads a buffer from a file, returning -1 on EOF.

Throws:

java.io.IOException

writeToStream

public void writeToStream(java.io.OutputStream os,
                          int length)
                   throws java.io.IOException

Throws:

java.io.IOException

readLine

public StringValue readLine(long length)
                     throws java.io.IOException

Reads a line from a file, returning null on EOF.

Specified by:

readLine in interface BinaryInput

Overrides:

readLine in class AbstractBinaryInputOutput

Throws:

java.io.IOException

getPosition

public long getPosition()

Returns the current location in the file.

Specified by:

getPosition in interface BinaryInput

Specified by:

getPosition in interface BinaryStream

Specified by:

getPosition in class AbstractBinaryInputOutput

setPosition

public boolean setPosition(long offset)

Sets the current location in the file.

Specified by:

setPosition in interface BinaryInput

Specified by:

setPosition in interface BinaryStream

Specified by:

setPosition in class AbstractBinaryInputOutput

stat

public Value stat()

Description copied from interface: BinaryStream

Returns an array filled with stat information. Mainly for wrapped stream functionality.

Specified by:

stat in interface BinaryStream

Overrides:

stat in class AbstractBinaryInputOutput

toString

public java.lang.String toString()

Converts to a string.

Overrides:

toString in class AbstractBinaryInputOutput