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## org.apache.fop.fo.properties
Class NumberProperty

    java.lang.Object
      org.apache.fop.fo.properties.Property
          org.apache.fop.fo.properties.NumberProperty

All Implemented Interfaces:
  Numeric

    public final class NumberProperty

extends Property
implements Numeric

Class for handling numeric properties

Nested Class Summary
`static class` | `NumberProperty.Maker` Inner class for making NumberProperty objects
`static class` | `NumberProperty.PositiveIntegerMaker` A positive integer property maker.

Field Summary

Fields inherited from class org.apache.fop.fo.properties.Property
`log`

Method Summary
`boolean` | `equals(java.lang.Object obj)`
`java.awt.Color` | `getColor(FOUserAgent foUserAgent)` Convert NumberProperty to a Color.
`int` | `getDimension()` Plain number always has a dimension of 0.
`static NumberProperty` | `getInstance(double num)` Returns the canonical NumberProperty instance corresponding to the given double
`static NumberProperty` | `getInstance(java.lang.Double num)` Returns the canonical NumberProperty instance corresponding to the given Number
`static NumberProperty` | `getInstance(int num)` Returns the canonical NumberProperty instance corresponding to the given int
`static NumberProperty` | `getInstance(java.lang.Integer num)` Returns the canonical NumberProperty instance corresponding to the given Integer
`Length` | `getLength()` This method expects to be overridden by subclasses
`java.lang.Number` | `getNumber()` This method expects to be overridden by subclasses
`Numeric` | `getNumeric()` Convert NumberProperty to Numeric object
`double` | `getNumericValue()` Return the value of this Numeric.
`double` | `getNumericValue(PercentBaseContext context)` Return the value of this Numeric.
`java.lang.Object` | `getObject()` This method expects to be overridden by subclasses
`int` | `getValue()` Returns the value of this numeric as an int.
`int` | `getValue(PercentBaseContext context)` Return the value
`int` | `hashCode()`
`boolean` | `isAbsolute()` Return true because all numbers are absolute.

Methods inherited from class org.apache.fop.fo.properties.Property
`getCharacter, getCondLength, getEnum, getKeep, getLengthPair, getLengthRange, getList, getNCname, getSpace, getSpecifiedValue, getString, isAuto, setSpecifiedValue, toString`

Methods inherited from class java.lang.Object
`clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

Methods inherited from interface org.apache.fop.datatypes.Numeric
`getEnum`

Method Detail

### getInstance

    public static NumberProperty getInstance(java.lang.Double num)

  Returns the canonical NumberProperty instance corresponding to the given Number

  Parameters:
    `num` - the base Double
  Returns:
    the canonical NumberProperty

### getInstance

    public static NumberProperty getInstance(java.lang.Integer num)

  Returns the canonical NumberProperty instance corresponding to the given Integer

  Parameters:
    `num` - the base Integer
  Returns:
    the canonical NumberProperty

### getInstance

    public static NumberProperty getInstance(double num)

  Returns the canonical NumberProperty instance corresponding to the given double

  Parameters:
    `num` - the base double value
  Returns:
    the canonical NumberProperty

### getInstance

    public static NumberProperty getInstance(int num)

  Returns the canonical NumberProperty instance corresponding to the given int

  Parameters:
    `num` - the base int value
  Returns:
    the canonical NumberProperty

### getDimension

    public int getDimension()

  Plain number always has a dimension of 0.

  Specified by:
    `getDimension` in interface `Numeric`
  Returns:
    a dimension of 0.

### getNumericValue

    public double getNumericValue()

  Return the value of this Numeric.

  Specified by:
    `getNumericValue` in interface `Numeric`
  Returns:
    The value as a double.

### getNumericValue

    public double getNumericValue(PercentBaseContext context)

  Return the value of this Numeric.

  Specified by:
    `getNumericValue` in interface `Numeric`
  Parameters:
    `context` - Evaluation context
  Returns:
    The value as a double.

### getValue

    public int getValue()

  Returns the value of this numeric as an int.

  Specified by:
    `getValue` in interface `Numeric`
  Returns:
    the value as an integer.

### getValue

    public int getValue(PercentBaseContext context)

  Return the value

  Specified by:
    `getValue` in interface `Numeric`
  Parameters:
    `context` - Evaluation context
  Returns:
    The value as an int.

### isAbsolute

    public boolean isAbsolute()

  Return true because all numbers are absolute.

  Specified by:
    `isAbsolute` in interface `Numeric`
  Returns:
    true.

### getNumber

    public java.lang.Number getNumber()

  Description copied from class: `Property`
  This method expects to be overridden by subclasses

  Overrides:
    `getNumber` in class `Property`
  Returns:
    this.number cast as a Number

### getObject

    public java.lang.Object getObject()

  Description copied from class: `Property`
  This method expects to be overridden by subclasses

  Overrides:
    `getObject` in class `Property`
  Returns:
    this.number cast as an Object

### getNumeric

    public Numeric getNumeric()

  Convert NumberProperty to Numeric object

  Overrides:
    `getNumeric` in class `Property`
  Returns:
    Numeric object corresponding to this

### getLength

    public Length getLength()

  This method expects to be overridden by subclasses

  Overrides:
    `getLength` in class `Property`
  Returns:
    Length property value

### getColor

    public java.awt.Color getColor(FOUserAgent foUserAgent)

  Convert NumberProperty to a Color. Not sure why this is needed.

  Overrides:
    `getColor` in class `Property`
  Parameters:
    `foUserAgent` - FOUserAgent
  Returns:
    Color that corresponds to black

### equals

    public boolean equals(java.lang.Object obj)

  Overrides:
    `equals` in class `java.lang.Object`

### hashCode

    public int hashCode()

  Overrides:
    `hashCode` in class `java.lang.Object`

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