Package com.webmethods.caf.faces.component

Class RegisterClientSideComponents

java.lang.Object

com.webmethods.caf.faces.component.RegisterClientSideComponents

All Implemented Interfaces:

EventListener, FacesListener, SystemEventListener

public class RegisterClientSideComponents
extends Object
implements SystemEventListener

Listener for PreRenderComponentEvent system events that takes care of registering the client-side components (model & validators) for the controls right before the control is rendered.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	RegisterClientSideComponents.RequiredClientSideValidator	Client-side validation of "required" components.

Field Summary

Fields

Modifier and Type	Field	Description
protected static final Map<Class<? extends Annotation>,Class<? extends BaseConstraint>>	beanConstraintMap
protected static final String	FLAG_PROCESSED_COMPONENTS
static final String	FLAG_WRITTEN_SHARED_SCRIPT_RESOURCES
protected static final Pattern	RE_LOCAL_ID
protected static final ClientSideValidator	REQUIRED_CLIENT_SIDE_VALIDATOR
protected static final Validator	REQUIRED_VALIDATOR	Fake validator to render "required" client-side validation.

Constructor Summary

Constructors

Constructor	Description
RegisterClientSideComponents()

Method Summary

Modifier and Type	Method	Description
protected String	calculateLocalId(FacesContext context, UIComponent component)	Gets the specified component's id, or the local part of the component's clientId if the component has no fixed id.
protected String	calculateNeutralRowClientId(FacesContext context, UIComponent component)	Calculates the client id of the component when all the UIData ancestors are not positioned on a row.
protected void	endScriptTagIfStarted(ResponseWriter writer)	Make sure the response writer has started a script tag.
ValueReference	getReference(ELContext elContext, ValueExpression expression)	This is used to introspect the ValueReference in order to calculate how to do the client-side validation for the BeanValidator.
boolean	isListenerForSource(Object source)
void	processEvent(SystemEvent event)
protected void	registerClientSideBeanValidators(FacesContext context, UIInput input)	Inspect the bean validation constraints linked to the control value and add the equivalent client-side validators.
protected void	startScriptTagIfNotStarted(UIComponent component, ResponseWriter writer)	Make sure the response writer has started a script tag.

Methods inherited from class java.lang.Object

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

Field Details

FLAG_WRITTEN_SHARED_SCRIPT_RESOURCES

public static final String FLAG_WRITTEN_SHARED_SCRIPT_RESOURCES

See Also:

• Constant Field Values

FLAG_PROCESSED_COMPONENTS

protected static final String FLAG_PROCESSED_COMPONENTS

See Also:

• Constant Field Values

RE_LOCAL_ID

protected static final Pattern RE_LOCAL_ID

beanConstraintMap

protected static final Map<Class<? extends Annotation>,Class<? extends BaseConstraint>> beanConstraintMap

REQUIRED_VALIDATOR

protected static final Validator REQUIRED_VALIDATOR

Fake validator to render "required" client-side validation.

REQUIRED_CLIENT_SIDE_VALIDATOR

protected static final ClientSideValidator REQUIRED_CLIENT_SIDE_VALIDATOR

Constructor Details

RegisterClientSideComponents

public RegisterClientSideComponents()

Method Details

isListenerForSource

public boolean isListenerForSource(Object source)

Specified by:

isListenerForSource in interface SystemEventListener

processEvent

public void processEvent(SystemEvent event)
                  throws AbortProcessingException

Specified by:

processEvent in interface SystemEventListener

Throws:

AbortProcessingException

calculateNeutralRowClientId

protected String calculateNeutralRowClientId(FacesContext context,
 UIComponent component)

Calculates the client id of the component when all the UIData ancestors are not positioned on a row.

startScriptTagIfNotStarted

protected void startScriptTagIfNotStarted(UIComponent component,
 ResponseWriter writer)
                                   throws IOException

Make sure the response writer has started a script tag.

Parameters:

component -

writer -

Throws:

IOException

endScriptTagIfStarted

protected void endScriptTagIfStarted(ResponseWriter writer)
                              throws IOException

Make sure the response writer has started a script tag.

Parameters:

component -

writer -

Throws:

IOException

registerClientSideBeanValidators

protected void registerClientSideBeanValidators(FacesContext context,
 UIInput input)
                                         throws IOException

Inspect the bean validation constraints linked to the control value and add the equivalent client-side validators.

Parameters:

context -

input -

Throws:

IOException

calculateLocalId

protected String calculateLocalId(FacesContext context,
 UIComponent component)

Gets the specified component's id, or the local part of the component's clientId if the component has no fixed id.

getReference

public ValueReference getReference(ELContext elContext,
 ValueExpression expression)

This is used to introspect the ValueReference in order to calculate how to do the client-side validation for the BeanValidator.