Package com.vaadin.flow.component.polymertemplate.rpc

Class PolymerPublishedEventRpcHandler

java.lang.Object

com.vaadin.flow.component.polymertemplate.rpc.PolymerPublishedEventRpcHandler

All Implemented Interfaces:

com.vaadin.flow.component.template.internal.DeprecatedPolymerPublishedEventHandler, Serializable

public class PolymerPublishedEventRpcHandler
extends Object
implements com.vaadin.flow.component.template.internal.DeprecatedPolymerPublishedEventHandler

Polymer utilitiy class for handling polymer rpc events for @EventHandler. Registers PolymerPublishedEventRpcHandler as a service to make it available in Lookup in an OSGi container.

For internal use only. May be renamed or removed in a future release.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
PolymerPublishedEventRpcHandler()

Method Summary

Modifier and Type	Method	Description
Object	getTemplateItem(com.vaadin.flow.component.Component template, tools.jackson.databind.JsonNode argValue, Type convertedType)	Get the template model object and type.
boolean	isTemplateModelValue(com.vaadin.flow.component.Component instance, tools.jackson.databind.JsonNode argValue, Class<?> convertedType)	Validate that the given Component instance is a PolymerTemplate and that the value can be converted.

Methods inherited from class java.lang.Object

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

Constructor Details

PolymerPublishedEventRpcHandler

public PolymerPublishedEventRpcHandler()

Method Details

isTemplateModelValue

public boolean isTemplateModelValue(com.vaadin.flow.component.Component instance,
 tools.jackson.databind.JsonNode argValue,
 Class<?> convertedType)

Validate that the given Component instance is a PolymerTemplate and that the value can be converted.

Specified by:

isTemplateModelValue in interface com.vaadin.flow.component.template.internal.DeprecatedPolymerPublishedEventHandler

Parameters:

instance - Component to be validated

argValue - received value

convertedType - target type that value should be converted to

Returns:

true if valid template model value

getTemplateItem

public Object getTemplateItem(com.vaadin.flow.component.Component template,
 tools.jackson.databind.JsonNode argValue,
 Type convertedType)

Get the template model object and type.

Specified by:

getTemplateItem in interface com.vaadin.flow.component.template.internal.DeprecatedPolymerPublishedEventHandler

Parameters:

template - polymer template to get model from

argValue - argument value

convertedType - value type

Returns:

the provided model value

Throws:

IllegalStateException - if the component is not attached to the UI