oracle.apps.fnd.applcore.flex.common
Class JSFUtils

java.lang.Object
  oracle.apps.fnd.applcore.flex.common.JSFUtils

public class JSFUtils
extends java.lang.Object

General useful static utilies for working with JSF. NOTE: Updated to use JSF 1.2 ExpressionFactory.

Author:

Duncan Mills, Steve Muench $Id: JSFUtils.java /main/1 2010/08/25 09:18:30 sanakula Exp $

Constructor Summary

JSFUtils()

Method Summary

static void	displayErrorMessage(java.lang.String message) Method to display error message
static void	displayWarningMessage(java.lang.String message) Method to display warning message
static java.lang.Object	evaluateEL(java.lang.String el)
static java.lang.String	getBundleValue(java.lang.String bundle, java.lang.String val) Method for returning the text resource from given bundle using message key
static javax.faces.context.FacesContext	getFacesContext() Get FacesContext.
static java.lang.Object	invokeEL(java.lang.String el) Programmatic invocation of a method that an EL evaluates to.
static java.lang.Object	invokeEL(java.lang.String el, java.lang.Class[] paramTypes, java.lang.Object[] params) Programmatic invocation of a method that an EL evaluates to.
static java.lang.Object	resolveExpression(java.lang.String expression) Method for taking a reference to a JSF binding expression and returning the matching object (or creating it).
static void	setEL(java.lang.String el, java.lang.Object val) Sets a value into an EL object.

Methods inherited from class java.lang.Object

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

Constructor Detail

JSFUtils

public JSFUtils()

Method Detail

evaluateEL

public static java.lang.Object evaluateEL(java.lang.String el)

invokeEL

public static java.lang.Object invokeEL(java.lang.String el)

Programmatic invocation of a method that an EL evaluates to. The method must not take any parameters.

Parameters:

el - EL of the method to invoke

Returns:

Object that the method returns

invokeEL

public static java.lang.Object invokeEL(java.lang.String el,
                                        java.lang.Class[] paramTypes,
                                        java.lang.Object[] params)

Programmatic invocation of a method that an EL evaluates to.

Parameters:

el - EL of the method to invoke

paramTypes - Array of Class defining the types of the parameters

params - Array of Object defining the values of the parameters

Returns:

Object that the method returns

setEL

public static void setEL(java.lang.String el,
                         java.lang.Object val)

Sets a value into an EL object. Provides similar functionality to the <af:setActionListener> tag, except the from is not an EL. You can get similar behavior by using the following...
setEL(to, evaluateEL(from))

Parameters:

el - EL object to assign a value

val - Value to assign

resolveExpression

public static java.lang.Object resolveExpression(java.lang.String expression)

Method for taking a reference to a JSF binding expression and returning the matching object (or creating it).

Parameters:

expression - EL expression

Returns:

Managed object

getBundleValue

public static java.lang.String getBundleValue(java.lang.String bundle,
                                              java.lang.String val)

Method for returning the text resource from given bundle using message key

Parameters:

bundle - - bundle full name

val - - Message key

Returns:

displayErrorMessage

public static void displayErrorMessage(java.lang.String message)

Method to display error message

Parameters:

message -

displayWarningMessage

public static void displayWarningMessage(java.lang.String message)

Method to display warning message

Parameters:

message -

getFacesContext

public static javax.faces.context.FacesContext getFacesContext()

Get FacesContext.

Returns:

FacesContext