Module openj9.dtfjview

Package com.ibm.jvm.dtfjview.spi

Interface IOutputChannel

All Known Subinterfaces:

IOutputManager

All Known Implementing Classes:

ConsoleOutputChannel, FileOutputChannel, Output, OutputChannelRedirector

public interface IOutputChannel

An output channel provides a mechanism by which text will be displayed to the user.

Method Summary

Modifier and Type	Method	Description
void	close()	Instructs this channel to close and free any resources.
void	flush()	Causes the channel to flush any buffered text.
void	print(String outputString)	Sends text to channel
void	println(String outputString)	Sends text to the channel with an appended \n
void	printPrompt(String prompt)	Sets the prompt which should be displayed when an interactive session is running.

Method Details

print

void print(String outputString)

Sends text to channel

Parameters:

outputString - text to send

printPrompt

void printPrompt(String prompt)

Sets the prompt which should be displayed when an interactive session is running. Typically this will display the context number in a multi-context environment.

Parameters:

prompt - prompt to display.

println

void println(String outputString)

Sends text to the channel with an appended \n

Parameters:

outputString - text to send

close

void close()

Instructs this channel to close and free any resources. Once closed a channel cannot be re-opened.

flush

void flush()

Causes the channel to flush any buffered text. Depending upon the channel implementation this may not have any effect.