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org.apache.el.lang
Class ELArithmetic

java.lang.Object
  extended by org.apache.el.lang.ELArithmetic
Direct Known Subclasses:
ELArithmetic.BigDecimalDelegate, ELArithmetic.BigIntegerDelegate, ELArithmetic.DoubleDelegate, ELArithmetic.LongDelegate
public abstract class ELArithmetic
extends java.lang.Object

A helper class of Arithmetic defined by the EL Specification

Author:
Jacob Hookom [jacob@hookom.net]

Nested Class Summary
static class ELArithmetic.BigDecimalDelegate
           
static class ELArithmetic.BigIntegerDelegate
           
static class ELArithmetic.DoubleDelegate
           
static class ELArithmetic.LongDelegate
           
 
Field Summary
static ELArithmetic.BigDecimalDelegate BIGDECIMAL
           
static ELArithmetic.BigIntegerDelegate BIGINTEGER
           
static ELArithmetic.DoubleDelegate DOUBLE
           
static ELArithmetic.LongDelegate LONG
           
 
Constructor Summary
protected ELArithmetic()
           
 
Method Summary
protected abstract  java.lang.Number add(java.lang.Number num0, java.lang.Number num1)
           
static java.lang.Number add(java.lang.Object obj0, java.lang.Object obj1)
           
protected abstract  java.lang.Number coerce(java.lang.Number num)
           
protected  java.lang.Number coerce(java.lang.Object obj)
           
protected abstract  java.lang.Number coerce(java.lang.String str)
           
protected abstract  java.lang.Number divide(java.lang.Number num0, java.lang.Number num1)
           
static java.lang.Number divide(java.lang.Object obj0, java.lang.Object obj1)
           
static boolean isNumber(java.lang.Object obj)
           
static boolean isNumberType(java.lang.Class<?> type)
           
protected abstract  boolean matches(java.lang.Object obj0, java.lang.Object obj1)
           
protected abstract  java.lang.Number mod(java.lang.Number num0, java.lang.Number num1)
           
static java.lang.Number mod(java.lang.Object obj0, java.lang.Object obj1)
           
protected abstract  java.lang.Number multiply(java.lang.Number num0, java.lang.Number num1)
           
static java.lang.Number multiply(java.lang.Object obj0, java.lang.Object obj1)
           
protected abstract  java.lang.Number subtract(java.lang.Number num0, java.lang.Number num1)
           
static java.lang.Number subtract(java.lang.Object obj0, java.lang.Object obj1)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

BIGDECIMAL

public static final ELArithmetic.BigDecimalDelegate BIGDECIMAL

BIGINTEGER

public static final ELArithmetic.BigIntegerDelegate BIGINTEGER

DOUBLE

public static final ELArithmetic.DoubleDelegate DOUBLE

LONG

public static final ELArithmetic.LongDelegate LONG
Constructor Detail

ELArithmetic

protected ELArithmetic()
Method Detail

add

public static final java.lang.Number add(java.lang.Object obj0,
                                         java.lang.Object obj1)

mod

public static final java.lang.Number mod(java.lang.Object obj0,
                                         java.lang.Object obj1)

subtract

public static final java.lang.Number subtract(java.lang.Object obj0,
                                              java.lang.Object obj1)

divide

public static final java.lang.Number divide(java.lang.Object obj0,
                                            java.lang.Object obj1)

multiply

public static final java.lang.Number multiply(java.lang.Object obj0,
                                              java.lang.Object obj1)

isNumber

public static final boolean isNumber(java.lang.Object obj)

isNumberType

public static final boolean isNumberType(java.lang.Class<?> type)

add

protected abstract java.lang.Number add(java.lang.Number num0,
                                        java.lang.Number num1)

multiply

protected abstract java.lang.Number multiply(java.lang.Number num0,
                                             java.lang.Number num1)

subtract

protected abstract java.lang.Number subtract(java.lang.Number num0,
                                             java.lang.Number num1)

mod

protected abstract java.lang.Number mod(java.lang.Number num0,
                                        java.lang.Number num1)

coerce

protected abstract java.lang.Number coerce(java.lang.Number num)

coerce

protected final java.lang.Number coerce(java.lang.Object obj)

coerce

protected abstract java.lang.Number coerce(java.lang.String str)

divide

protected abstract java.lang.Number divide(java.lang.Number num0,
                                           java.lang.Number num1)

matches

protected abstract boolean matches(java.lang.Object obj0,
                                   java.lang.Object obj1)
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