net.sf.btb

Class Util

java.lang.Object

net.sf.btb.Util

public final class Util
extends Object

Utility class.

Author:

Jean-Philippe Gravel, eng.

Method Summary

Methods

Modifier and Type	Method and Description
static void	delete(File file) Delete the specified file or directory.
static void	throwIfNull(Object o, String argName) Throws NullPointerException if "o" is null.
static void	throwIfNullOrEmpty(String s, String argName) Throws NullPointerException if "s" is null or IllegalArgumentException if "s" is an empty string.
static String	translate(Comparators comparator) Translate the given comparator to it's SQL string equivalent.
static String	translate(Operators operator) Translate the given operator to it's SQL string equivalent.

Methods inherited from class java.lang.Object

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

Method Detail

throwIfNullOrEmpty

public static void throwIfNullOrEmpty(String s,
                      String argName)

Throws NullPointerException if "s" is null or IllegalArgumentException if "s" is an empty string.

Parameters:

s - The string to check.

argName - The name of the checked argument.

throwIfNull

public static void throwIfNull(Object o,
               String argName)

Throws NullPointerException if "o" is null.

Parameters:

o - The object to check.

argName - The name of the checked argument.

translate

public static String translate(Comparators comparator)

Translate the given comparator to it's SQL string equivalent.

Parameters:

comparator - The comparator to translate.

Returns:

the SQL String equivalent to the given comparator.

translate

public static String translate(Operators operator)

Translate the given operator to it's SQL string equivalent.

Parameters:

operator - The comparator to translate.

Returns:

the SQL String equivalent to the given operator.

delete

public static void delete(File file)

Delete the specified file or directory. If file is a directory, deletes it's content recursively before deleting the directory.

Parameters:

file - The file or directory to delete.