UIMessages (Java EE 5 SDK) - Java Platform, Enterprise Edition v5.0 API Specifications

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javax.faces.component
Class UIMessages

java.lang.Object
  javax.faces.component.UIComponent
      javax.faces.component.UIComponentBase
          javax.faces.component.UIMessages

All Implemented Interfaces:: StateHolder

Direct Known Subclasses:: HtmlMessages

public class UIMessages
extends UIComponentBase
extends UIComponentBase

The renderer for this component is responsible for obtaining the messages from the FacesContext and displaying them to the user.

This component supports the Messages renderer-type.

By default, the rendererType property must be set to "javax.faces.Messages". This value can be changed by calling the setRendererType() method.

Field Summary

static String COMPONENT_FAMILY
          The standard component family for this component.

static String COMPONENT_TYPE
          The standard component type for this component.

Fields inherited from class javax.faces.component.UIComponent

bindings

Constructor Summary

UIMessages()
          Create a new UIMessages instance with default property values.

Method Summary

String getFamily()
          Return the identifier of the component family to which this component belongs.

boolean isGlobalOnly()
          Return the flag indicating whether only global messages (that is, messages with no associated client identifier) should be rendered.

boolean isShowDetail()
          Return the flag indicating whether the detail property of the associated message(s) should be displayed.

boolean isShowSummary()
          Return the flag indicating whether the summary property of the associated message(s) should be displayed.

void restoreState(FacesContext context, Object state)
           Perform any processing required to restore the state from the entries in the state Object.

Object saveState(FacesContext context)
           Gets the state of the instance as a Serializable Object.

void setGlobalOnly(boolean globalOnly)
          Set the flag indicating whether only global messages (that is, messages with no associated client identifier) should be rendered.

void setShowDetail(boolean showDetail)
          Set the flag indicating whether the detail property of the associated message(s) should be displayed.

void setShowSummary(boolean showSummary)
          Set the flag indicating whether the summary property of the associated message(s) should be displayed.

Methods inherited from class javax.faces.component.UIComponentBase

addFacesListener, broadcast, decode, encodeBegin, encodeChildren, encodeEnd, findComponent, getAttributes, getChildCount, getChildren, getClientId, getFacesContext, getFacesListeners, getFacet, getFacetCount, getFacets, getFacetsAndChildren, getId, getParent, getRenderer, getRendererType, getRendersChildren, getValueBinding, getValueExpression, invokeOnComponent, isRendered, isTransient, processDecodes, processRestoreState, processSaveState, processUpdates, processValidators, queueEvent, removeFacesListener, restoreAttachedState, saveAttachedState, setId, setParent, setRendered, setRendererType, setTransient, setValueBinding, setValueExpression

Methods inherited from class javax.faces.component.UIComponent

encodeAll, getContainerClientId

Methods inherited from class java.lang.Object

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

Field Summary
`static String`	`COMPONENT_FAMILY` The standard component family for this component.
`static String`	`COMPONENT_TYPE` The standard component type for this component.

Fields inherited from class javax.faces.component.UIComponent
`bindings`

Constructor Summary
`UIMessages()` Create a new `UIMessages` instance with default property values.

Method Summary
`String`	`getFamily()` Return the identifier of the component family to which this component belongs.
`boolean`	`isGlobalOnly()` Return the flag indicating whether only global messages (that is, messages with no associated client identifier) should be rendered.
`boolean`	`isShowDetail()` Return the flag indicating whether the `detail` property of the associated message(s) should be displayed.
`boolean`	`isShowSummary()` Return the flag indicating whether the `summary` property of the associated message(s) should be displayed.
`void`	`restoreState(FacesContext context, Object state)` Perform any processing required to restore the state from the entries in the state Object.
`Object`	`saveState(FacesContext context)` Gets the state of the instance as a `Serializable` Object.
`void`	`setGlobalOnly(boolean globalOnly)` Set the flag indicating whether only global messages (that is, messages with no associated client identifier) should be rendered.
`void`	`setShowDetail(boolean showDetail)` Set the flag indicating whether the `detail` property of the associated message(s) should be displayed.
`void`	`setShowSummary(boolean showSummary)` Set the flag indicating whether the `summary` property of the associated message(s) should be displayed.

Methods inherited from class javax.faces.component.UIComponentBase
addFacesListener, broadcast, decode, encodeBegin, encodeChildren, encodeEnd, findComponent, getAttributes, getChildCount, getChildren, getClientId, getFacesContext, getFacesListeners, getFacet, getFacetCount, getFacets, getFacetsAndChildren, getId, getParent, getRenderer, getRendererType, getRendersChildren, getValueBinding, getValueExpression, invokeOnComponent, isRendered, isTransient, processDecodes, processRestoreState, processSaveState, processUpdates, processValidators, queueEvent, removeFacesListener, restoreAttachedState, saveAttachedState, setId, setParent, setRendered, setRendererType, setTransient, setValueBinding, setValueExpression

Methods inherited from class javax.faces.component.UIComponent
`encodeAll, getContainerClientId`

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 String COMPONENT_TYPE

The standard component type for this component.

See Also:: Constant Field Values

COMPONENT_FAMILY

public static final String COMPONENT_FAMILY

The standard component family for this component.

See Also:: Constant Field Values

Constructor Detail

UIMessages

public UIMessages()

Create a new UIMessages instance with default property values.

Method Detail

getFamily

public 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

isGlobalOnly

public boolean isGlobalOnly()

Return the flag indicating whether only global messages (that is, messages with no associated client identifier) should be rendered. Defaults to false.

setGlobalOnly

public void setGlobalOnly(boolean globalOnly)

Set the flag indicating whether only global messages (that is, messages with no associated client identifier) should be rendered.

Parameters:: globalOnly - The new flag value

isShowDetail

public boolean isShowDetail()

Return the flag indicating whether the detail property of the associated message(s) should be displayed. Defaults to false.

setShowDetail

public void setShowDetail(boolean showDetail)

Set the flag indicating whether the detail property of the associated message(s) should be displayed.

Parameters:: showDetail - The new flag

isShowSummary

public boolean isShowSummary()

Return the flag indicating whether the summary property of the associated message(s) should be displayed. Defaults to true.

setShowSummary

public void setShowSummary(boolean showSummary)

Set the flag indicating whether the summary property of the associated message(s) should be displayed.

Parameters:: showSummary - The new flag value

saveState

public Object saveState(FacesContext context)

Description copied from interface: StateHolder

Gets the state of the instance as a Serializable Object.

If the class that implements this interface has references to instances that implement StateHolder (such as a UIComponent with event handlers, validators, etc.) this method must call the StateHolder.saveState(javax.faces.context.FacesContext) method on all those instances as well. This method must not save the state of children and facets. That is done via the StateManager

This method must not alter the state of the implementing object. In other words, after executing this code:

 Object state = component.saveState(facesContext);

component should be the same as before executing it.

The return from this method must be Serializable

Specified by:: saveState in interface StateHolder
Overrides:: saveState in class UIComponentBase

restoreState

public void restoreState(FacesContext context,
                         Object state)