Package org.primefaces.expression.impl

Class ObserverExpressionResolver

java.lang.Object

org.primefaces.expression.impl.ObserverExpressionResolver

All Implemented Interfaces:

ClientIdSearchExpressionResolver, SearchExpressionResolver

public class ObserverExpressionResolver
extends Object
implements SearchExpressionResolver, ClientIdSearchExpressionResolver

SearchExpressionResolver for the event/observer handling. This is only supported in the AJAX 'update' attribute.

Constructor Summary

Constructors

Constructor	Description
ObserverExpressionResolver()

Method Summary

Modifier and Type	Method	Description
String	resolveClientIds(javax.faces.context.FacesContext context, javax.faces.component.UIComponent source, javax.faces.component.UIComponent last, String expression, Set<SearchExpressionHint> hints)	Resolves one or multiple clientId's for the given expression string.
javax.faces.component.UIComponent	resolveComponent(javax.faces.context.FacesContext context, javax.faces.component.UIComponent source, javax.faces.component.UIComponent last, String expression, Set<SearchExpressionHint> hints)	Resolves a UIComponent for the last or source UIComponent and for the given expression string.

Methods inherited from class java.lang.Object

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

Constructor Details

ObserverExpressionResolver

public ObserverExpressionResolver()

Method Details

resolveComponent

public javax.faces.component.UIComponent resolveComponent(javax.faces.context.FacesContext context,
 javax.faces.component.UIComponent source,
 javax.faces.component.UIComponent last,
 String expression,
 Set<SearchExpressionHint> hints)

Description copied from interface: SearchExpressionResolver

Resolves a UIComponent for the last or source UIComponent and for the given expression string.

Specified by:

resolveComponent in interface SearchExpressionResolver

Parameters:

context - The FacesContext.

source - The source component. E.g. a button.

last - The last resolved component in the chain. If it's not a nested expression, it's the same as the source component.

expression - The search expression.

hints - The options.

Returns:

The resolved UIComponent or null.

resolveClientIds

public String resolveClientIds(javax.faces.context.FacesContext context,
 javax.faces.component.UIComponent source,
 javax.faces.component.UIComponent last,
 String expression,
 Set<SearchExpressionHint> hints)

Description copied from interface: ClientIdSearchExpressionResolver

Resolves one or multiple clientId's for the given expression string.

Specified by:

resolveClientIds in interface ClientIdSearchExpressionResolver

Parameters:

context - The FacesContext.

source - The source component. E.g. a button.

last - The last resolved component in the chain. If it's not a nested expression, it's the same as the source component.

expression - The search expression.

hints - The options.

Returns:

The resolved clientId's or null.