javax.faces.convert

Class DoubleConverter

Contents
  • All Implemented Interfaces:
    Converter

    public class DoubleConverter
extends Object
implements Converter

    Converter implementation for java.lang.Double (and double primitive) values.

    • Field Detail

      • DOUBLE_ID

        public static final String DOUBLE_ID

        The message identifier of the FacesMessage to be created if the conversion to Double fails. The message format string for this message may optionally include the following placeholders:

        • {0} replaced by the unconverted value.
        • {1} replaced by an example value.
        • {2} replaced by a String whose value is the label of the input component that produced this message.

        See Also:
        Constant Field Values

      • STRING_ID

        public static final String STRING_ID

        The message identifier of the FacesMessage to be created if the conversion of the Double value to String fails. The message format string for this message may optionally include the following placeholders:

        • {0} relaced by the unconverted value.
        • {1} replaced by a String whose value is the label of the input component that produced this message.

        See Also:
        Constant Field Values

    • Constructor Detail

      • DoubleConverter

        public DoubleConverter()

    • Method Detail

      • getAsObject

        public Object getAsObject(FacesContext context,
                          UIComponent component,
                          String value)
        Description copied from interface: Converter

        Convert the specified string value, which is associated with the specified UIComponent, into a model data object that is appropriate for being stored during the Apply Request Values phase of the request processing lifecycle.

        Specified by:
        getAsObject in interface Converter
        Parameters:
        context - FacesContext for the request being processed
        component - UIComponent with which this model object value is associated
        value - String value to be converted (may be null)
        Returns:
        null if the value to convert is null, otherwise the result of the conversion
        Throws:
        ConverterException - if conversion cannot be successfully performed
        NullPointerException - if context or component is null

      • getAsString

        public String getAsString(FacesContext context,
                          UIComponent component,
                          Object value)
        Description copied from interface: Converter

        Convert the specified model object value, which is associated with the specified UIComponent, into a String that is suitable for being included in the response generated during the Render Response phase of the request processing lifeycle.

        Specified by:
        getAsString in interface Converter
        Parameters:
        context - FacesContext for the request being processed
        component - UIComponent with which this model object value is associated
        value - Model object value to be converted (may be null)
        Returns:
        a zero-length String if value is null, otherwise the result of the conversion
        Throws:
        ConverterException - if conversion cannot be successfully performed
        NullPointerException - if context or component is null

Document created the 11/06/2005, last modified the 18/08/2025
Source of the printed document:https://www.gaudry.be/en/java-api-javaee-rf-javax/faces/convert/DoubleConverter.html

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References

  1. View the html document Language of the document:fr Manuel PHP : https://docs.oracle.com, DoubleConverter (Java(TM) EE 7 Specification APIs)

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