Class DoubleConverter

java.lang.Object
jakarta.faces.convert.DoubleConverter
All Implemented Interfaces:
Converter

public class DoubleConverter extends Object implements Converter

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

  • Field Details

    • CONVERTER_ID

      public static final String CONVERTER_ID

      The standard converter id for this converter.

      See Also:
    • 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:
    • 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:
  • Constructor Details

    • DoubleConverter

      public DoubleConverter()
  • Method Details

    • 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 Process Validations 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