com.vaadin.flow.component.polymertemplate.rpc

Class PublishedEventRpcHandlerUtil

java.lang.Object

com.vaadin.flow.component.polymertemplate.rpc.PublishedEventRpcHandlerUtil

All Implemented Interfaces:

Serializable

public class PublishedEventRpcHandlerUtil
extends Object
implements Serializable

Polymer utilitiy class for handling polymer rpc events for @EventHandler.

Since:

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
PublishedEventRpcHandlerUtil()

Method Summary

Modifier and Type	Method and Description
static Object	getTemplateItem(Component template, elemental.json.JsonObject argValue, Type convertedType) Get the template model object and type.
static boolean	isTemplateModelValue(Component instance, elemental.json.JsonValue 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 Detail

PublishedEventRpcHandlerUtil

public PublishedEventRpcHandlerUtil()

Method Detail

isTemplateModelValue

public static boolean isTemplateModelValue(Component instance,
                                           elemental.json.JsonValue argValue,
                                           Class<?> convertedType)

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

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 static Object getTemplateItem(Component template,
                                     elemental.json.JsonObject argValue,
                                     Type convertedType)

Get the template model object and type.

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