org.codehaus.groovy.tools.shell

Class IO

java.lang.Object

org.codehaus.groovy.tools.shell.IO

All Implemented Interfaces:

Closeable, AutoCloseable

public class IO
extends Object
implements Closeable

Container for input/output handles.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	IO.Verbosity Verbosity for simple logging: QUIET, INFO, VERBOSE, DEBUG

Field Summary

Fields

Modifier and Type	Field and Description
boolean	ansiSupported Whether ansi support is available
PrintWriter	err Preferred error output writer.
OutputStream	errorStream Raw error output stream.
Reader	in Preferred input reader.
InputStream	inputStream Raw input stream.
PrintWriter	out Preferred output writer.
OutputStream	outputStream Raw output stream.

Constructor Summary

Constructors

Constructor and Description
IO() Construct a new IO container using system streams.
IO(InputStream inputStream, OutputStream outputStream, OutputStream errorStream) Construct a new IO container.

Method Summary

Modifier and Type	Method and Description
void	close() Close all streams.
void	flush() Flush both output streams.
IO.Verbosity	getVerbosity() Returns the verbosity level.
boolean	isDebug() Check if the verbosity level is set to IO.Verbosity.DEBUG.
boolean	isInfo() Check if the verbosity level is set to IO.Verbosity.INFO.
boolean	isQuiet() Check if the verbosity level is set to IO.Verbosity.QUIET.
boolean	isVerbose() Check if the verbosity level is set to IO.Verbosity.VERBOSE.
void	setVerbosity(IO.Verbosity verbosity) Set the verbosity level.
protected PrintWriter	tryConstructRenderWriter(OutputStream stream)

Methods inherited from class java.lang.Object

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

Field Detail

inputStream

public final InputStream inputStream

Raw input stream.

outputStream

public final OutputStream outputStream

Raw output stream.

errorStream

public final OutputStream errorStream

Raw error output stream.

in

public final Reader in

Preferred input reader.

out

public final PrintWriter out

Preferred output writer.

err

public final PrintWriter err

Preferred error output writer.

ansiSupported

public final boolean ansiSupported

Whether ansi support is available

Constructor Detail

IO

public IO(InputStream inputStream,
          OutputStream outputStream,
          OutputStream errorStream)

Construct a new IO container.

IO

public IO()

Construct a new IO container using system streams.

Method Detail

tryConstructRenderWriter

protected PrintWriter tryConstructRenderWriter(OutputStream stream)

setVerbosity

public void setVerbosity(IO.Verbosity verbosity)

Set the verbosity level.

getVerbosity

public IO.Verbosity getVerbosity()

Returns the verbosity level.

isQuiet

public boolean isQuiet()

Check if the verbosity level is set to IO.Verbosity.QUIET.

isInfo

public boolean isInfo()

Check if the verbosity level is set to IO.Verbosity.INFO.

isVerbose

public boolean isVerbose()

Check if the verbosity level is set to IO.Verbosity.VERBOSE.

isDebug

public boolean isDebug()

Check if the verbosity level is set to IO.Verbosity.DEBUG.

For general usage, when debug output is required, it is better to use the logging facility instead.

flush

public void flush()

Flush both output streams.

close

public void close()
           throws IOException

Close all streams.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException