de.weltraumschaf.commons.application

Interface IO

All Known Implementing Classes:

IOStreams

public interface IO

Implementations provide an aggregate object which contains STDIN, STDOUT and STDERR streams.

Since:

1.0.0

Author:

Sven Strittmatter <weltraumschaf@googlemail.com>

Method Summary

Modifier and Type	Method and Description
void	error(String str) Prints error.
void	errorln(String str) Prints error line.
PrintStream	getStderr() Get standard errorln output stream.
InputStream	getStdin() Get standard input stream.
PrintStream	getStdout() Get standard output stream.
void	print(String str) Prints string.
void	println(String str) Prints string line.
void	printStackTrace(Throwable ex) Prints exception stack trace.

Method Detail

error

void error(String str)

Prints error.

Parameters:

str - string to print

errorln

void errorln(String str)

Prints error line.

Parameters:

str - string to print

print

void print(String str)

Prints string.

Parameters:

str - string to print

printStackTrace

void printStackTrace(Throwable ex)

Prints exception stack trace.

Parameters:

ex - exception to print

println

void println(String str)

Prints string line.

Parameters:

str - string to print

getStderr

PrintStream getStderr()

Get standard errorln output stream.

Returns:

never null

getStdin

InputStream getStdin()

Get standard input stream.

Returns:

never null

getStdout

PrintStream getStdout()

Get standard output stream.

Returns:

never null