com.croftsoft.core.text
Class ParseLib

java.lang.Object
  com.croftsoft.core.text.ParseLib

public final class ParseLib
extends Object

A collection of static methods to parse primitive types.

Since:

1999-08-15

Version:

$Id: ParseLib.java,v 1.2 2006/10/01 07:36:51 croft Exp $

Author:

David Wallace Croft

Method Summary

static void	main(String[] args)
static boolean	parseBoolean(String s, boolean backup) Parses a boolean value from a String.
static double	parseDouble(String s, double backup) Parses a double out of a String.
static int	parseInt(String s, int backup) Returns backup if s is null or a NumberFormatException occurs.
static long	parseLong(String s, long backup) Returns backup if s is null or a NumberFormatException occurs.
static String	stripNonNumbers(String s) Strips non-number characters out of the String.

Methods inherited from class java.lang.Object

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

Method Detail

main

public static void main(String[] args)

parseBoolean

public static boolean parseBoolean(String s,
                                   boolean backup)

Parses a boolean value from a String.

All leading and trailing whitespace is trimmed and all characters are converted to lower case before the comparison.

Parameters:

backup - Default value to be returned is s is null or cannot be parsed.

Returns:

Returns false if s is "0", "f", "false", "n", "no" , or "off". Returns true if s is "1", "t", "true" , "y", "yes", or "on" . Otherwise returns backup value.

parseDouble

public static double parseDouble(String s,
                                 double backup)

Parses a double out of a String.

Parameters:

backup - Default value returned if unable to parse the String.

parseInt

public static int parseInt(String s,
                           int backup)

Returns backup if s is null or a NumberFormatException occurs.

parseLong

public static long parseLong(String s,
                             long backup)

Returns backup if s is null or a NumberFormatException occurs.

stripNonNumbers

public static String stripNonNumbers(String s)

Strips non-number characters out of the String.

Example: "$1,999.99 or best offer" ==> "1999.99"