tcl.lang.channel
Class PipelineChannel

java.lang.Object
  tcl.lang.channel.Channel
      tcl.lang.channel.PipelineChannel

public class PipelineChannel
extends Channel

This class provides a Channel view of a Pipeline object

Field Summary

Fields inherited from class tcl.lang.channel.Channel

blocking, buffering, bufferSize, encoding, eofInputFilter, eofOutputFilter, eolInputFilter, eolOutputFilter, finalInputStream, finalReader, firstOutputStream, firstWriter, inputBuffer, inputEofChar, inputTranslation, markableInputStream, mode, nonBlockingOutputStream, outputBuffer, outputEofChar, outputTranslation, rawInputStream, rawOutputStream, READ_OWNERSHIP, refCount, unicodeDecoder, unicodeEncoder, WRITE_OWNERSHIP

Constructor Summary

PipelineChannel()

Method Summary

protected InputStream	getInputStream() This method should be overridden in the subclass to provide a channel specific InputStream object.
protected OutputStream	getOutputStream() This method should be overridden in the subclass to provide a channel specific OutputStream object.
Pipeline	getPipeline()
String	getStderrOutput()
String	open(Interp interp, String execString, int modeFlags) Open a new pipeline channel

Methods inherited from class tcl.lang.channel.Channel

checkRead, checkWrite, close, eof, flush, getBlocking, getBuffering, getBufferSize, getChanName, getEncoding, getInputEofChar, getInputTranslation, getOutputEofChar, getOutputTranslation, initInput, initOutput, isBlocked, isClosed, isReadOnly, isReadWrite, isWriteOnly, read, seek, setBlocking, setBuffering, setBufferSize, setEncoding, setInputEofChar, setInputTranslation, setOutputEofChar, setOutputTranslation, setOwnership, setOwnership, tell, waitForOwnership, write, write

Methods inherited from class java.lang.Object

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

Constructor Detail

PipelineChannel

public PipelineChannel()

Method Detail

open

public String open(Interp interp,
                   String execString,
                   int modeFlags)
            throws IOException,
                   TclException

Open a new pipeline channel

Parameters:

interp -

execString - String in the form of "exec" or "open"; first '|' is optional

modeFlags - TclIO.RDONLY or TclIO.WRONLY or TclIO.RDWR

Returns:

channel name

Throws:

IOException

TclException

getStderrOutput

public String getStderrOutput()

Returns:

The standard error output from the command, if any

getPipeline

public Pipeline getPipeline()

Returns:

the Pipeline object for this Channel

getInputStream

protected InputStream getInputStream()
                              throws IOException

Description copied from class: Channel

This method should be overridden in the subclass to provide a channel specific InputStream object.

Specified by:

getInputStream in class Channel

Throws:

IOException

getOutputStream

protected OutputStream getOutputStream()
                                throws IOException

Description copied from class: Channel

This method should be overridden in the subclass to provide a channel specific OutputStream object.

Specified by:

getOutputStream in class Channel

Throws:

IOException