Java EE 5 SDK

javax.faces.convert
Class DoubleConverter

java.lang.Object
  extended by javax.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 Summary
static String CONVERTER_ID
          The standard converter id for this converter.
static String DOUBLE_ID
          The message identifier of the FacesMessage to be created if the conversion to Double fails.
static String STRING_ID
          The message identifier of the FacesMessage to be created if the conversion of the Double value to String fails.
 
Constructor Summary
DoubleConverter()
           
 
Method Summary
 Object getAsObject(FacesContext context, UIComponent component, String value)
          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.
 String getAsString(FacesContext context, UIComponent component, Object value)
          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.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

CONVERTER_ID

public static final String CONVERTER_ID

The standard converter id for this converter.

See Also:
Constant Field Values

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:

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:

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

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