JavaServer Faces

Name

NumberConverter

Synopsis

An instance of this class is used as a Converter for Double and Long values.

Synopsis

Class name:	javax.faces.convert.NumberConverter
Extends:	None
Implements:	javax.faces.convert.Converter, javax.faces.component.StateHolder

Fields

public static final String CONVERTER_ID

The identifier for this converter: javax.faces.Number.

Constructors

public NumberConverter()

Creates an instance.

Methods

public Object getAsObject(javax.faces.context.FacesContext context, javax.faces.component.UIComponent component, String value)

Converts the provided String value (which can be null) to a Number instance and returns the new instance. Returns null if the value is null or an empty string (after trimming); otherwise, parses the value in the same way as java.text.DecimalFormat, guided by the component’s pattern, integerOnly and type attributes for the Locale specified by the component’s locale attribute or the view’s Locale. Throws a ConverterException if the conversion fails.

public String getAsString(javax.faces.context.FacesContext context, javax.faces.component.UIComponent component, Object value)

Converts the provided Number value (which can be null) to a String instance and returns the new instance, formatted in the same way as by java.text.DecimalFormat, guided by the component’s pattern, currencyCode, currencySymbol, groupingUsed, maxIntegerDigits, minIntegerDisgits, maxFractionDigits, minFractionDigits, and type attributes for the Locale specified by the ...