re
Class Util

java.lang.Object
  re.Util

public class Util
extends Object

A few useful utility messages for doing the following:

• assert that conditions are true. Use this liberally.
• print debugging messages when the program is running, provided that Util.debug has been set to true.

Feel free to add other utility routines to this class as well.

Field Summary

static boolean

debug Set this to true to print out messages with the debug() methods.

Constructor Summary

Util()

Method Summary

static void	assertTrue(boolean test, String message) Test whether a condition is true, and fail with a message if it is not.
static void	assertTrue(boolean test, String format, Object... args) Test whether a condition is true, and fail with a message if it is not.
static void	debug(String message) Print a message to the terminal, if debugging messages has been enabled by setting debug.
static void	debug(String format, Object... args) Print a message to the terminal using printf-style arguments, if debugging messages has been enabled by setting debug.

Methods inherited from class java.lang.Object

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

Field Detail

debug

public static boolean debug

Set this to true to print out messages with the debug() methods. Otherwise, those methods do nothing.

Constructor Detail

Util

public Util()

Method Detail

assertTrue

public static void assertTrue(boolean test,
                              String message)

Test whether a condition is true, and fail with a message if it is not. Alternatively, use the Java 1.5 assert statement and run Java wit the -ea option.

assertTrue

public static void assertTrue(boolean test,
                              String format,
                              Object... args)

Test whether a condition is true, and fail with a message if it is not. Alternatively, use the Java 1.5 assert statement and run Java wit the -ea option.

This version takes printf-style arguments to make formatting easier. See PrintStream.printf(String, Object...) for more details.

debug

public static void debug(String message)

Print a message to the terminal, if debugging messages has been enabled by setting debug.

debug

public static void debug(String format,
                         Object... args)

Print a message to the terminal using printf-style arguments, if debugging messages has been enabled by setting debug.

See PrintStream.printf(String, Object...) for more details.