com.panayotis.gnuplot.utils

Class Debug

java.lang.Object

com.panayotis.gnuplot.utils.Debug

public class Debug
extends java.lang.Object

This object is responsible to display debug and/or general information on any given Writer (by default to System.err) .

It is possible to set another output writer, in order to redirect the errors whenever the programmer wants.

Field Summary

Fields

Modifier and Type	Field and Description
static int	CRITICAL Only critical information is presented
static int	ERROR Only errors and critical information is presented
static int	INFO All messages except verbose messages are presented
static int	QUIET Absolutely no debug information is presented
static int	VERBOSE All messages are presented
static int	WARNING Warnings, as well as errors and critical information is presented

Constructor Summary

Constructors

Constructor and Description
Debug() Creates a new instance of Debug

Method Summary

Methods

Modifier and Type	Method and Description
void	msg(java.lang.String message, int level) Present a message on the Debug stream
void	setLevel(int level) Set the level of verbosity.
void	setWriter(java.io.Writer out) Set the output writer.

Methods inherited from class java.lang.Object

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

Field Detail

QUIET

public static final int QUIET

Absolutely no debug information is presented

See Also:

Constant Field Values

CRITICAL

public static final int CRITICAL

Only critical information is presented

See Also:

Constant Field Values

ERROR

public static final int ERROR

Only errors and critical information is presented

See Also:

Constant Field Values

WARNING

public static final int WARNING

Warnings, as well as errors and critical information is presented

See Also:

Constant Field Values

INFO

public static final int INFO

All messages except verbose messages are presented

See Also:

Constant Field Values

VERBOSE

public static final int VERBOSE

All messages are presented

See Also:

Constant Field Values

Constructor Detail

Debug

public Debug()

Creates a new instance of Debug

Method Detail

setLevel

public final void setLevel(int level)

Set the level of verbosity.

Parameters:

level - Only messages at least as critical as this level are presented.

msg

public void msg(java.lang.String message,
       int level)

Present a message on the Debug stream

Parameters:

message - Message to display. Automatically adds a newline at the end of the string.

level - Level of verbosity. If this level is les critical than the desired level, the message is not displayed.

setWriter

public void setWriter(java.io.Writer out)

Set the output writer. By default this is the System.err stream.

Parameters:

out - The Debug stream writer.