AbstractNumberValidator (Apache Commons Validator 1.6 API)

java.lang.Object
- org.apache.commons.validator.routines.AbstractFormatValidator
- - org.apache.commons.validator.routines.AbstractNumberValidator

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

BigDecimalValidator, BigIntegerValidator, ByteValidator, DoubleValidator, FloatValidator, IntegerValidator, LongValidator, ShortValidator
```
public abstract class AbstractNumberValidator
extends AbstractFormatValidator
```
Abstract class for Number Validation.

This is a base class for building Number Validators using format parsing.

Since:

Validator 1.3.0

Version:

$Revision: 1739356 $

See Also:
Serialized Form

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`CURRENCY_FORMAT` Currency `NumberFormat` type
`static int`	`PERCENT_FORMAT` Percent `NumberFormat` type
`static int`	`STANDARD_FORMAT` Standard `NumberFormat` type

Constructor Summary

Constructors
Constructor and Description
`AbstractNumberValidator(boolean strict, int formatType, boolean allowFractions)` Construct an instance with specified strict and decimal parameters.

Method Summary

Methods
Modifier and Type	Method and Description
`protected int`	`determineScale(NumberFormat format)` Returns the multiplier of the `NumberFormat`.
`protected Format`	`getFormat(Locale locale)` Returns a `NumberFormat` for the specified Locale.
`protected Format`	`getFormat(String pattern, Locale locale)` Returns a `NumberFormat` for the specified pattern and/or `Locale`.
`int`	`getFormatType()` Indicates the type of `NumberFormat` created by this validator instance.
`boolean`	`isAllowFractions()` Indicates whether the number being validated is a decimal or integer.
`boolean`	`isInRange(Number value, Number min, Number max)` Check if the value is within a specified range.
`boolean`	`isValid(String value, String pattern, Locale locale)` Validate using the specified `Locale`.
`boolean`	`maxValue(Number value, Number max)` Check if the value is less than or equal to a maximum.
`boolean`	`minValue(Number value, Number min)` Check if the value is greater than or equal to a minimum.
`protected Object`	`parse(String value, String pattern, Locale locale)` Parse the value using the specified pattern.
`protected abstract Object`	`processParsedValue(Object value, Format formatter)` Process the parsed value, performing any further validation and type conversion required.

Methods inherited from class org.apache.commons.validator.routines.AbstractFormatValidator
format, format, format, format, format, isStrict, isValid, isValid, isValid, parse

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - STANDARD_FORMAT
```
public static final int STANDARD_FORMAT
```
    Standard NumberFormat type
    
    See Also:
    Constant Field Values
  - CURRENCY_FORMAT
```
public static final int CURRENCY_FORMAT
```
    Currency NumberFormat type
    
    See Also:
    Constant Field Values
  - PERCENT_FORMAT
```
public static final int PERCENT_FORMAT
```
    Percent NumberFormat type
    
    See Also:
    Constant Field Values
- Constructor Detail
  - AbstractNumberValidator
```
public AbstractNumberValidator(boolean strict,
                       int formatType,
                       boolean allowFractions)
```
    Construct an instance with specified strict and decimal parameters.
    
    Parameters:
    strict - true if strict Format parsing should be used.
    formatType - The NumberFormat type to create for validation, default is STANDARD_FORMAT.
    allowFractions - true if fractions are allowed or false if integers only.
- Method Detail
  - isAllowFractions
```
public boolean isAllowFractions()
```
    Indicates whether the number being validated is a decimal or integer.
    
    Returns:
    true if decimals are allowed or false if the number is an integer.
  - getFormatType
```
public int getFormatType()
```
    Indicates the type of NumberFormat created by this validator instance.
    
    Returns:
    the format type created.
  - isValid
```
public boolean isValid(String value,
              String pattern,
              Locale locale)
```
    Validate using the specified Locale.
    
    Specified by:
    
    isValid in class AbstractFormatValidator
    
    Parameters:
    value - The value validation is being performed on.
    pattern - The pattern used to validate the value against, or the default for the Locale if null.
    locale - The locale to use for the date format, system default if null.
    
    Returns:
    true if the value is valid.
  - isInRange
```
public boolean isInRange(Number value,
                Number min,
                Number max)
```
    Check if the value is within a specified range.
    
    Parameters:
    value - The value validation is being performed on.
    min - The minimum value of the range.
    max - The maximum value of the range.
    
    Returns:
    true if the value is within the specified range.
  - minValue
```
public boolean minValue(Number value,
               Number min)
```
    Check if the value is greater than or equal to a minimum.
    
    Parameters:
    value - The value validation is being performed on.
    min - The minimum value.
    
    Returns:
    true if the value is greater than or equal to the minimum.
  - maxValue
```
public boolean maxValue(Number value,
               Number max)
```
    Check if the value is less than or equal to a maximum.
    
    Parameters:
    value - The value validation is being performed on.
    max - The maximum value.
    
    Returns:
    true if the value is less than or equal to the maximum.
  - parse
```
protected Object parse(String value,
           String pattern,
           Locale locale)
```
    Parse the value using the specified pattern.
    
    Parameters:
    value - The value validation is being performed on.
    pattern - The pattern used to validate the value against, or the default for the Locale if null.
    locale - The locale to use for the date format, system default if null.
    
    Returns:
    The parsed value if valid or null if invalid.
  - processParsedValue
```
protected abstract Object processParsedValue(Object value,
                        Format formatter)
```
    Process the parsed value, performing any further validation and type conversion required.
    
    Specified by:
    
    processParsedValue in class AbstractFormatValidator
    
    Parameters:
    value - The parsed object created.
    formatter - The Format used to parse the value with.
    
    Returns:
    The parsed value converted to the appropriate type if valid or null if invalid.
  - getFormat
```
protected Format getFormat(String pattern,
               Locale locale)
```
    Returns a NumberFormat for the specified pattern and/or Locale.
    
    Specified by:
    
    getFormat in class AbstractFormatValidator
    
    Parameters:
    pattern - The pattern used to validate the value against or null to use the default for the Locale.
    locale - The locale to use for the currency format, system default if null.
    
    Returns:
    The NumberFormat to created.
  - determineScale
```
protected int determineScale(NumberFormat format)
```
    Returns the multiplier of the NumberFormat.
    
    Parameters:
    format - The NumberFormat to determine the multiplier of.
    
    Returns:
    The multiplying factor for the format..
  - getFormat
```
protected Format getFormat(Locale locale)
```
    Returns a NumberFormat for the specified Locale.
    
    Parameters:
    locale - The locale a NumberFormat is required for, system default if null.
    
    Returns:
    The NumberFormat to created.

Class AbstractNumberValidator

Field Summary

Constructor Summary

Method Summary

Methods inherited from class org.apache.commons.validator.routines.AbstractFormatValidator

Methods inherited from class java.lang.Object

Field Detail

STANDARD_FORMAT

CURRENCY_FORMAT

PERCENT_FORMAT

Constructor Detail

AbstractNumberValidator

Method Detail

isAllowFractions

getFormatType

isValid

isInRange

minValue

maxValue

parse

processParsedValue

getFormat

determineScale

getFormat