org.jruby.util
Class IOHandlerProcess

java.lang.Object
  org.jruby.util.IOHandler
      org.jruby.util.IOHandlerJavaIO
          org.jruby.util.IOHandlerProcess

public class IOHandlerProcess
extends IOHandlerJavaIO

Nested Class Summary

Nested classes/interfaces inherited from class org.jruby.util.IOHandler

IOHandler.BadDescriptorException, IOHandler.InvalidValueException, IOHandler.PipeException

Field Summary

protected java.io.InputStream	input
protected java.io.OutputStream	output
protected java.lang.Process	process

Fields inherited from class org.jruby.util.IOHandlerJavaIO

ungotc

Fields inherited from class org.jruby.util.IOHandler

fileno, isOpen, isSync, modes, PARAGRAPH_DELIMETER, SEEK_CUR, SEEK_END, SEEK_SET

Constructor Summary

IOHandlerProcess(Ruby runtime, java.lang.Process process, IOModes modes)

Method Summary

IOHandler	cloneIOHandler()
void	close() Close IO handler resources.
void	flush()
java.nio.channels.FileChannel	getFileChannel()
java.io.InputStream	getInputStream()
java.io.OutputStream	getOutputStream()
boolean	isEOF() Return true when at end of file (EOF).
int	pid() Get the process ID associated with this handler.
long	pos() Get the current position within the file associated with this handler.
void	resetByModes(IOModes newModes)
void	rewind()
void	seek(long offset, int type) Perform a seek based on pos().
void	sync() Flush and sync all writes to the filesystem.
int	sysread()
ByteList	sysread(int number)
int	syswrite(ByteList buf)
int	syswrite(int c)
void	truncate(long newLength)

Methods inherited from class org.jruby.util.IOHandlerJavaIO

getc, gets, getsEntireStream, putc, read, read, ready, sysread, ungetc, write

Methods inherited from class org.jruby.util.IOHandler

checkOpen, checkPermissionsSubsetOf, checkReadable, checkWritable, checkWriteable, getFileno, getModes, getRuntime, hasPendingBuffered, isOpen, isReadable, isSync, isWriteable, reset, setFileno, setIsSync, waitUntilReady

Methods inherited from class java.lang.Object

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

Field Detail

input

protected java.io.InputStream input

output

protected java.io.OutputStream output

process

protected java.lang.Process process

Constructor Detail

IOHandlerProcess

public IOHandlerProcess(Ruby runtime,
                        java.lang.Process process,
                        IOModes modes)
                 throws java.io.IOException

Throws:

java.io.IOException

Method Detail

cloneIOHandler

public IOHandler cloneIOHandler()
                         throws java.io.IOException

Specified by:

cloneIOHandler in class IOHandler

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException,
                  IOHandler.BadDescriptorException

Close IO handler resources.

Specified by:

close in class IOHandler

Throws:

java.io.IOException

BadDescriptorException

IOHandler.BadDescriptorException

See Also:

IOHandler.close()

flush

public void flush()
           throws java.io.IOException,
                  IOHandler.BadDescriptorException

Specified by:

flush in class IOHandler

Throws:

java.io.IOException

BadDescriptorException

IOHandler.BadDescriptorException

See Also:

IOHandler.flush()

getInputStream

public java.io.InputStream getInputStream()

Specified by:

getInputStream in class IOHandlerJavaIO

See Also:

org.jruby.util.IOHandler#getInputStream()

getOutputStream

public java.io.OutputStream getOutputStream()

Specified by:

getOutputStream in class IOHandlerJavaIO

See Also:

org.jruby.util.IOHandler#getOutputStream()

isEOF

public boolean isEOF()
              throws java.io.IOException,
                     IOHandler.BadDescriptorException

Description copied from class: IOHandler

Return true when at end of file (EOF).

Specified by:

isEOF in class IOHandler

Returns:

true if at EOF; false otherwise

Throws:

java.io.IOException

BadDescriptorException

IOHandler.BadDescriptorException

See Also:

IOHandler.isEOF()

pid

public int pid()

Description copied from class: IOHandler

Get the process ID associated with this handler.

Specified by:

pid in class IOHandler

Returns:

the pid if the IOHandler represents a process; otherwise -1

See Also:

IOHandler.pid()

pos

public long pos()
         throws IOHandler.PipeException

Description copied from class: IOHandler

Get the current position within the file associated with this handler.

Specified by:

pos in class IOHandler

Returns:

the current position in the file.

Throws:

PipeException

IOHandler.PipeException

See Also:

IOHandler.pos()

resetByModes

public void resetByModes(IOModes newModes)

Specified by:

resetByModes in class IOHandler

rewind

public void rewind()
            throws IOHandler.PipeException

Specified by:

rewind in class IOHandler

Throws:

PipeException

IOHandler.PipeException

See Also:

IOHandler.rewind()

seek

public void seek(long offset,
                 int type)
          throws IOHandler.PipeException

Description copied from class: IOHandler

Perform a seek based on pos().

Specified by:

seek in class IOHandler

Throws:

PipeException

IOHandler.PipeException

See Also:

IOHandler.seek(long, int)

sync

public void sync()
          throws java.io.IOException

Description copied from class: IOHandler

Flush and sync all writes to the filesystem.

Specified by:

sync in class IOHandler

Throws:

java.io.IOException - if the sync does not work

See Also:

IOHandler.sync()

sysread

public int sysread()
            throws java.io.IOException

Specified by:

sysread in class IOHandlerJavaIO

Throws:

java.io.IOException

See Also:

org.jruby.util.IOHandler#sysread()

sysread

public ByteList sysread(int number)
                 throws java.io.IOException,
                        IOHandler.BadDescriptorException

Overrides:

sysread in class IOHandlerJavaIO

Throws:

java.io.IOException

IOHandler.BadDescriptorException

syswrite

public int syswrite(ByteList buf)
             throws java.io.IOException,
                    IOHandler.BadDescriptorException

Specified by:

syswrite in class IOHandler

Throws:

java.io.IOException

BadDescriptorException

IOHandler.BadDescriptorException

See Also:

org.jruby.util.IOHandler#syswrite(String buf)

syswrite

public int syswrite(int c)
             throws java.io.IOException,
                    IOHandler.BadDescriptorException

Specified by:

syswrite in class IOHandler

Throws:

java.io.IOException

BadDescriptorException

IOHandler.BadDescriptorException

See Also:

org.jruby.util.IOHandler#syswrite(String buf)

truncate

public void truncate(long newLength)
              throws java.io.IOException,
                     IOHandler.PipeException

Specified by:

truncate in class IOHandler

Throws:

java.io.IOException

IOHandler.PipeException

getFileChannel

public java.nio.channels.FileChannel getFileChannel()

Specified by:

getFileChannel in class IOHandler