Package org.apache.commons.jexl3.parser

Class NumberParser

java.lang.Object

org.apache.commons.jexl3.parser.NumberParser

All Implemented Interfaces:

java.io.Serializable

public final class NumberParser
extends java.lang.Object
implements java.io.Serializable

Parses number literals.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static java.text.DecimalFormat	BIGDF	JEXL locale-neutral big decimal format.
private java.lang.Class<? extends java.lang.Number>	clazz	The expected class.
private java.lang.Number	literal	The type literal value.
private static long	serialVersionUID

Constructor Summary

Constructors

Constructor	Description
NumberParser()
NumberParser(java.lang.Number number)

Method Summary

Modifier and Type	Method	Description
(package private) NumberParser	assignNatural(boolean negative, java.lang.String natural)	Sets this node as a natural literal.
(package private) NumberParser	assignNatural(java.lang.String str)	Sets this node as an (optionally) signed natural literal.
(package private) NumberParser	assignReal(boolean negative, java.lang.String s)	Sets this node as a real literal.
(package private) NumberParser	assignReal(java.lang.String str)	Sets this node as an (optionally) signed real literal.
(package private) java.lang.Class<? extends java.lang.Number>	getLiteralClass()
(package private) java.lang.Number	getLiteralValue()
(package private) boolean	isInteger()
private static boolean	isNegative(Token token)
(package private) static java.lang.Number	parseDouble(Token negative, Token s)
(package private) static java.lang.Number	parseInteger(Token negative, Token s)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

BIGDF

static final java.text.DecimalFormat BIGDF

JEXL locale-neutral big decimal format.

literal

private java.lang.Number literal

The type literal value.

clazz

private java.lang.Class<? extends java.lang.Number> clazz

The expected class.

Constructor Detail

NumberParser

public NumberParser()

NumberParser

public NumberParser(java.lang.Number number)

Method Detail

isNegative

private static boolean isNegative(Token token)

parseDouble

static java.lang.Number parseDouble(Token negative,
                                    Token s)

parseInteger

static java.lang.Number parseInteger(Token negative,
                                     Token s)

assignNatural

NumberParser assignNatural(boolean negative,
                           java.lang.String natural)

Sets this node as a natural literal. Originally from OGNL.

Parameters:

negative - whether the natural should be negative

natural - the natural as string

Returns:

this parser instance

assignNatural

NumberParser assignNatural(java.lang.String str)

Sets this node as an (optionally) signed natural literal. Originally from OGNL.

Parameters:

str - the natural as string

Returns:

this parser instance

assignReal

NumberParser assignReal(boolean negative,
                        java.lang.String s)

Sets this node as a real literal. Originally from OGNL.

Parameters:

negative - whether the real should be negative

s - the real as string

Returns:

this parser instance

assignReal

NumberParser assignReal(java.lang.String str)

Sets this node as an (optionally) signed real literal. Originally from OGNL.

Parameters:

str - the real as string

Returns:

this parser instance

getLiteralClass

java.lang.Class<? extends java.lang.Number> getLiteralClass()

getLiteralValue

java.lang.Number getLiteralValue()

isInteger

boolean isInteger()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object