javax.faces.component

Class SelectUtils

java.lang.Object

javax.faces.component.SelectUtils

class SelectUtils
extends java.lang.Object

Contains common utility methods used by both UISelectOne and UISelectMany.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
(package private) static class	SelectUtils.ArrayIterator Exposes an Array via an Iterator

Constructor Summary

Constructors

Modifier	Constructor and Description
private	SelectUtils()

Method Summary

Modifier and Type	Method and Description
private static java.lang.Object	coerceToModelType(FacesContext ctx, java.lang.Object value, java.lang.Class toType) Coerce the provided value to the specified type using EL coercion.
private static java.lang.Object	doConversion(FacesContext ctx, UIComponent component, SelectItem item, java.lang.Object value, Converter converter)
(package private) static boolean	matchValue(FacesContext ctx, UIComponent component, java.lang.Object value, java.util.Iterator<SelectItem> items, Converter converter) Return true if the specified value matches one of the available options, performing a recursive search if if a SelectItemGroup instance is detected.
(package private) static boolean	valueIsNoSelectionOption(FacesContext ctx, UIComponent component, java.lang.Object value, java.util.Iterator<SelectItem> items, Converter converter) Returns true iff component has a UISelectItem child whose itemValue exactly matches the argument value

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SelectUtils

private SelectUtils()

Method Detail

matchValue

static boolean matchValue(FacesContext ctx,
                          UIComponent component,
                          java.lang.Object value,
                          java.util.Iterator<SelectItem> items,
                          Converter converter)

Return true if the specified value matches one of the available options, performing a recursive search if if a SelectItemGroup instance is detected.

Parameters:

ctx - FacesContext for the current request

value - UIComponent value to be tested

items - Iterator over the SelectItems to be checked

converter - the Converter associated with this component

valueIsNoSelectionOption

static boolean valueIsNoSelectionOption(FacesContext ctx,
                                        UIComponent component,
                                        java.lang.Object value,
                                        java.util.Iterator<SelectItem> items,
                                        Converter converter)

Returns true iff component has a UISelectItem child whose itemValue exactly matches the argument value

Parameters:

ctx -

component -

value -

items -

Returns:

doConversion

private static java.lang.Object doConversion(FacesContext ctx,
                                             UIComponent component,
                                             SelectItem item,
                                             java.lang.Object value,
                                             Converter converter)
                                      throws java.lang.IllegalStateException

Throws:

java.lang.IllegalStateException

coerceToModelType

private static java.lang.Object coerceToModelType(FacesContext ctx,
                                                  java.lang.Object value,
                                                  java.lang.Class toType)

Coerce the provided value to the specified type using EL coercion.

Parameters:

ctx - the FacesContext for the current request

value - the value to coerce

toType - the type value should be coerced to

Returns:

the result of the EL coersion

See Also:

ExpressionFactory.coerceToType(Object, Class)