RequiredAttributeProcessor (Metawidget API Documentation)

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java.lang.Object
- org.metawidget.faces.component.widgetprocessor.RequiredAttributeProcessor

All Implemented Interfaces:

Immutable, WidgetProcessor<javax.faces.component.UIComponent,UIMetawidget>
```
public class RequiredAttributeProcessor
extends Object
implements WidgetProcessor<javax.faces.component.UIComponent,UIMetawidget>
```
WidgetProcessor that sets the required attribute.
Seam applications that use the s:validateAll tag should use this WidgetProcessor without combining it with StandardValidatorProcessor. This is because Seam's s:validateAll handles the validation process using Hibernate Validator and does not work if the standard JSF validators are defined.

Author:

Richard Kennard

Constructor Summary

Constructors
Constructor and Description

RequiredAttributeProcessor()

Method Summary

Methods
Modifier and Type	Method and Description
`javax.faces.component.UIComponent`	`processWidget(javax.faces.component.UIComponent component, String elementName, Map<String,String> attributes, UIMetawidget metawidget)` Process the given widget.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - RequiredAttributeProcessor
```
public RequiredAttributeProcessor()
```
- Method Detail
  - processWidget
```
public javax.faces.component.UIComponent processWidget(javax.faces.component.UIComponent component,
                                              String elementName,
                                              Map<String,String> attributes,
                                              UIMetawidget metawidget)
```
    Description copied from interface: WidgetProcessor
    
    Process the given widget. Called after a widget has been built by the WidgetBuilder, and before it is added to the Layout.
    
    Specified by:
    
    processWidget in interface WidgetProcessor<javax.faces.component.UIComponent,UIMetawidget>
    
    Parameters:
    component - the widget to process. Never null
    elementName - XML node name of the business field. Typically 'entity', 'property' or 'action'. Never null
    attributes - attributes of the widget to process. Never null. This Map is modifiable - changes will be passed to subsequent WidgetProcessors and Layouts
    metawidget - the parent Metawidget. Never null
    
    Returns:
    generally the original widget (as passed in to the first argument). Can be a different widget if the WidgetProcessor wishes to substitute the original widget for another. Can be null if the WidgetProcessor wishes to cancel all further processing of this widget (including laying out)

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