Package de.xima.fc.gui.util

Class FacesHelper

java.lang.Object

de.xima.fc.gui.util.FacesHelper

public class FacesHelper
extends Object

Method Summary

Modifier and Type	Method	Description
static <T> T	getBeanCreateIfMissing(Class<T> beanClass, Annotation... qualifiers)	Returns the JSF bean (request scoped, view scoped, session scoped, conversation scoped, or application scoped) of the given class.
static String	getBeanName(Class<?> beanClass, Annotation... qualifiers)
static <T> T	getBeanNullIfMissing(Class<T> beanClass, Annotation... qualifiers)	Checks if an instance of the JSF bean (request scoped, view scoped, session scoped, conversation scoped, or application scoped) exists, and returns the bean if it does.
static void	hideDialogByClientId(String clientId)	Hides the dialog with the given client ID, when it exists.
static void	hideDialogByClientId(javax.faces.context.FacesContext ctx, String clientId)	Hides the dialog with the given client ID, when it exists.
static javax.faces.application.FacesMessage.Severity	maxSeverity(javax.faces.application.FacesMessage.Severity lhs, javax.faces.application.FacesMessage.Severity rhs)
static void	showDialogByClientId(String clientId)	Show the dialog with the given client ID, when it exists.
static void	showDialogByClientId(javax.faces.context.FacesContext ctx, String clientId)	Show the dialog with the given client ID, when it exists.

Methods inherited from class java.lang.Object

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

Method Detail

getBeanCreateIfMissing

public static <T> T getBeanCreateIfMissing(Class<T> beanClass,
                                           Annotation... qualifiers)

Returns the JSF bean (request scoped, view scoped, session scoped, conversation scoped, or application scoped) of the given class. When the bean was not created yet, creates the bean.

Type Parameters:

T - Type of the bean to lookup.

Parameters:

beanClass - Class of the bean to lookup.

qualifiers - Optional qualifiers for the bean.

Returns:

The bean instance of the given class.

getBeanName

public static String getBeanName(Class<?> beanClass,
                                 Annotation... qualifiers)

Parameters:

beanClass - Class of the bean to lookup.

qualifiers - Optional qualifiers for the bean.

Returns:

The name of the JSF bean (request scoped, view scoped, session scoped, conversation scoped, or application scoped).

getBeanNullIfMissing

@Nullable
public static <T> T getBeanNullIfMissing(Class<T> beanClass,
                                         Annotation... qualifiers)

Checks if an instance of the JSF bean (request scoped, view scoped, session scoped, conversation scoped, or application scoped) exists, and returns the bean if it does. When the bean was not created yet, returns null.

Type Parameters:

T - Type of the bean to lookup.

Parameters:

beanClass - Class of the bean to lookup.

qualifiers - Optional qualifiers for the bean.

Returns:

The bean instance if the bean was created already, or null otherwise.

hideDialogByClientId

public static void hideDialogByClientId(javax.faces.context.FacesContext ctx,
                                        String clientId)

Hides the dialog with the given client ID, when it exists.

Parameters:

ctx - Current faces context.

clientId - Client ID of the dialog.

hideDialogByClientId

public static void hideDialogByClientId(String clientId)

Hides the dialog with the given client ID, when it exists.

Parameters:

clientId - Client ID of the dialog.

maxSeverity

public static javax.faces.application.FacesMessage.Severity maxSeverity(javax.faces.application.FacesMessage.Severity lhs,
                                                                        javax.faces.application.FacesMessage.Severity rhs)

Parameters:

lhs - First severity to process.

rhs - Second severity to process.

Returns:

The severity with the higher level. The order is fatal, error, , , from highest to lowest.

showDialogByClientId

public static void showDialogByClientId(javax.faces.context.FacesContext ctx,
                                        String clientId)

Show the dialog with the given client ID, when it exists.

Parameters:

ctx - Current faces context.

clientId - Client ID of the dialog.

showDialogByClientId

public static void showDialogByClientId(String clientId)

Show the dialog with the given client ID, when it exists.

Parameters:

clientId - Client ID of the dialog.