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Java Enterprise Edition (EE)

UIParameter


javax.faces.component
Class UIParameter

java.lang.Object
  javax.faces.component.UIComponent
      javax.faces.component.UIComponentBase
          javax.faces.component.UIParameter
All Implemented Interfaces:
java.util.EventListener, PartialStateHolder, StateHolder, ComponentSystemEventListener, FacesListener, SystemEventListenerHolder
public class UIParameter
extends UIComponentBase

UIParameter is a UIComponent that represents an optionally named configuration parameter for a parent component.

Parent components should retrieve the value of a parameter by calling getValue(). In this way, the parameter value can be set directly on the component (via setValue()), or retrieved indirectly via the value binding expression.

In some scenarios, it is necessary to provide a parameter name, in addition to the parameter value that is accessible via the getValue() method. Renderers that support parameter names on their nested UIParameter child components should document their use of this property.

Field Summary
static java.lang.String COMPONENT_FAMILY
          The standard component family for this component.
static java.lang.String COMPONENT_TYPE
          The standard component type for this component.
 
Fields inherited from class javax.faces.component.UIComponent
BEANINFO_KEY, bindings, COMPOSITE_COMPONENT_TYPE_KEY, COMPOSITE_FACET_NAME, CURRENT_COMPONENT, CURRENT_COMPOSITE_COMPONENT, FACETS_KEY, VIEW_LOCATION_KEY
 
Constructor Summary
UIParameter()
          Create a new UIParameter instance with default property values.
 
Method Summary
 java.lang.String getFamily()
          Return the identifier of the component family to which this component belongs.
 java.lang.String getName()
          Return the optional parameter name for this parameter.
 java.lang.Object getValue()
          Returns the value property of the UIParameter.
 boolean isDisable()
          

Return the value of the disable directive for this component.

 void setDisable(boolean disable)
          Sets the disable property of the UIParameter.
 void setName(java.lang.String name)
          Set the optional parameter name for this parameter.
 void setValue(java.lang.Object value)
          Sets the value property of the\ UIParameter.
 
Methods inherited from class javax.faces.component.UIComponentBase
addClientBehavior, addFacesListener, broadcast, clearInitialState, decode, encodeBegin, encodeChildren, encodeEnd, findComponent, getAttributes, getChildCount, getChildren, getClientBehaviors, getClientId, getDefaultEventName, getEventNames, getFacesContext, getFacesListeners, getFacet, getFacetCount, getFacets, getFacetsAndChildren, getId, getParent, getRenderer, getRendererType, getRendersChildren, getValueBinding, invokeOnComponent, isRendered, isTransient, markInitialState, processDecodes, processRestoreState, processSaveState, processUpdates, processValidators, queueEvent, removeFacesListener, restoreAttachedState, restoreState, saveAttachedState, saveState, setId, setParent, setRendered, setRendererType, setTransient, setValueBinding
 
Methods inherited from class javax.faces.component.UIComponent
encodeAll, getClientId, getCompositeComponentParent, getContainerClientId, getCurrentComponent, getCurrentCompositeComponent, getListenersForEventClass, getNamingContainer, getResourceBundleMap, getStateHelper, getStateHelper, getValueExpression, initialStateMarked, isCompositeComponent, isInView, isVisitable, popComponentFromEL, processEvent, pushComponentToEL, setInView, setValueExpression, subscribeToEvent, unsubscribeFromEvent, visitTree
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

COMPONENT_TYPE

public static final java.lang.String COMPONENT_TYPE

The standard component type for this component.

See Also:
Constant Field Values

COMPONENT_FAMILY

public static final java.lang.String COMPONENT_FAMILY

The standard component family for this component.

See Also:
Constant Field Values
Constructor Detail

UIParameter

public UIParameter()

Create a new UIParameter instance with default property values.

Method Detail

getFamily

public java.lang.String getFamily()
Description copied from class: UIComponent

Return the identifier of the component family to which this component belongs. This identifier, in conjunction with the value of the rendererType property, may be used to select the appropriate Renderer for this component instance.

Specified by:
getFamily in class UIComponent

getName

public java.lang.String getName()

Return the optional parameter name for this parameter.

setName

public void setName(java.lang.String name)

Set the optional parameter name for this parameter.

Parameters:
name - The new parameter name, or null for no name

getValue

public java.lang.Object getValue()

Returns the value property of the UIParameter.

setValue

public void setValue(java.lang.Object value)

Sets the value property of the\ UIParameter.

Parameters:
value - the new value

isDisable

public boolean isDisable()

Return the value of the disable directive for this component. This directive determines whether the parameter value should be disabled by assigning it a null value. If true, the value set on this component is ignored.

setDisable

public void setDisable(boolean disable)

Sets the disable property of the UIParameter.

Parameters:
disable -


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