com.rometools.rome.io.impl

Class NumberParser

java.lang.Object

com.rometools.rome.io.impl.NumberParser

public final class NumberParser
extends Object

A helper class that parses Numbers out of Strings in a lenient manner.

No method will throw any sort of Exception when parsing a string. All methods accept any Java String or null as legal input, if the input is non null, whitespace will be trimmed first, and then parsing will be attempted.

Method Summary

Modifier and Type	Method and Description
static Float	parseFloat(String str) Parse a Float from a String without exceptions.
static float	parseFloat(String str, float def) Parse a float from a String, with a default value
static Integer	parseInt(String str) Parse an Integer from a String.
static Long	parseLong(String str) Parses a Long out of a string.
static long	parseLong(String str, long def) Parses a long out of a string.

Methods inherited from class java.lang.Object

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

Method Detail

parseLong

public static Long parseLong(String str)

Parses a Long out of a string.

Parameters:

str - string to parse for a Long.

Returns:

the Long represented by the given string, It returns null if it was not possible to parse the the string.

parseInt

public static Integer parseInt(String str)

Parse an Integer from a String. If the String is not an integer null is returned and no exception is thrown.

Parameters:

str - the String to parse

Returns:

The Integer represented by the String, or null if it could not be parsed.

parseFloat

public static Float parseFloat(String str)

Parse a Float from a String without exceptions. If the String is not a Float then null is returned

Parameters:

str - the String to parse

Returns:

The Float represented by the String, or null if it could not be parsed.

parseFloat

public static float parseFloat(String str,
                               float def)

Parse a float from a String, with a default value

Parameters:

str -

def - the value to return if the String cannot be parsed

parseLong

public static long parseLong(String str,
                             long def)

Parses a long out of a string.

Parameters:

str - string to parse for a long.

def - default value to return if it is not possible to parse the the string.

Returns:

the long represented by the given string, or the default.