Package org.apache.el.lang

# Class ELArithmetic

java.lang.Object
org.apache.el.lang.ELArithmetic

Direct Known Subclasses:
  `ELArithmetic.BigDecimalDelegate`, `ELArithmetic.BigIntegerDelegate`, `ELArithmetic.DoubleDelegate`, `ELArithmetic.LongDelegate`

public abstract class ELArithmetic extends Object
A helper class of Arithmetic defined by the EL Specification

Author:
  Jacob Hookom [jacob@hookom.net]

- ## Nested Class Summary

  Nested Classes
  Modifier and Type
  Class
  Description
  `static final class`
  `ELArithmetic.BigDecimalDelegate`
  `static final class`
  `ELArithmetic.BigIntegerDelegate`
  `static final class`
  `ELArithmetic.DoubleDelegate`
  `static final class`
  `ELArithmetic.LongDelegate`

- ## Field Summary

  Fields
  Modifier and Type
  Field
  Description
  `static final ELArithmetic.BigDecimalDelegate`
  `BIGDECIMAL`
  `static final ELArithmetic.BigIntegerDelegate`
  `BIGINTEGER`
  `static final ELArithmetic.DoubleDelegate`
  `DOUBLE`
  `static final ELArithmetic.LongDelegate`
  `LONG`

- ## Constructor Summary

  Constructors
  Modifier
  Constructor
  Description
  `protected`
  `ELArithmetic()`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `protected abstract Number`
  `add(Number num0, Number num1)`
  `static final Number`
  `add(Object obj0, Object obj1)`
  `protected abstract Number`
  `coerce(Number num)`
  `protected final Number`
  `coerce(Object obj)`
  `protected abstract Number`
  `coerce(String str)`
  `protected abstract Number`
  `divide(Number num0, Number num1)`
  `static final Number`
  `divide(Object obj0, Object obj1)`
  `static final boolean`
  `isNumber(Object obj)`
  `static final boolean`
  `isNumberType(Class<?> type)`
  `protected abstract boolean`
  `matches(Object obj0, Object obj1)`
  `protected abstract Number`
  `mod(Number num0, Number num1)`
  `static final Number`
  `mod(Object obj0, Object obj1)`
  `protected abstract Number`
  `multiply(Number num0, Number num1)`
  `static final Number`
  `multiply(Object obj0, Object obj1)`
  `protected abstract Number`
  `subtract(Number num0, Number num1)`
  `static final Number`
  `subtract(Object obj0, Object obj1)`

  ### Methods inherited from class java.lang.Object

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

- ## Field Details

  - ### 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 Details

  - ### ELArithmetic

    protected ELArithmetic()

- ## Method Details

  - ### add

    public static final Number add(Object obj0, Object obj1)

  - ### mod

    public static final Number mod(Object obj0, Object obj1)

  - ### subtract

    public static final Number subtract(Object obj0, Object obj1)

  - ### divide

    public static final Number divide(Object obj0, Object obj1)

  - ### multiply

    public static final Number multiply(Object obj0, Object obj1)

  - ### isNumber

    public static final boolean isNumber(Object obj)

  - ### isNumberType

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

  - ### add

    protected abstract Number add(Number num0, Number num1)

  - ### multiply

    protected abstract Number multiply(Number num0, Number num1)

  - ### subtract

    protected abstract Number subtract(Number num0, Number num1)

  - ### mod

    protected abstract Number mod(Number num0, Number num1)

  - ### coerce

    protected abstract Number coerce(Number num)

  - ### coerce

    protected final Number coerce(Object obj)

  - ### coerce

    protected abstract Number coerce(String str)

  - ### divide

    protected abstract Number divide(Number num0, Number num1)

  - ### matches

    protected abstract boolean matches(Object obj0, Object obj1)