Package com.vaadin.flow.component.webcomponent

Interface WebComponentConfiguration<C extends Component>

Type Parameters:

C - type of the component being exported

All Superinterfaces:

Serializable

public interface WebComponentConfiguration<C extends Component>
extends Serializable

Result of defining an embeddable web component using WebComponentExporter. Provides all the necessary information to generate the web component resources and constructs new WebComponentBinding instances with createWebComponentBinding(com.vaadin.flow.di.Instantiator, com.vaadin.flow.dom.Element, JsonNode);

Since:

2.0

Author:

Vaadin Ltd.

See Also:

• for constructing new instances

Method Summary

Modifier and Type	Method	Description
WebComponentBinding<C>	createWebComponentBinding(Instantiator instantiator, Element element, tools.jackson.databind.JsonNode newAttributeDefaults)	Creates a new WebComponentBinding instance.
Class<C>	getComponentClass()	Retrieve the type of the component.
Class<? extends WebComponentExporter<C>>	getExporterClass()	Retrieves the type of the WebComponentExporter from which this configuration has been generated.
Set<PropertyData<? extends Serializable>>	getPropertyDataSet()	Set of all the PropertyData objects defining the web component's properties.
Class<? extends Serializable>	getPropertyType(String propertyName)	Retrieve the type of a property's value.
String	getTag()	Retrieves the tag name configured by the web component exporter.
boolean	hasProperty(String propertyName)	Check if the configuration has a property identified by the propertyName.

Method Details

hasProperty

boolean hasProperty(String propertyName)

Check if the configuration has a property identified by the propertyName.

Parameters:

propertyName - name of the property, not null

Returns:

has property

getPropertyType

Class<? extends Serializable> getPropertyType(String propertyName)

Retrieve the type of a property's value. If the property is not known, returns null

Parameters:

propertyName - name of the property, not null

Returns:

property type or null

getComponentClass

Class<C> getComponentClass()

Retrieve the type of the component.

Returns:

component type

getPropertyDataSet

Set<PropertyData<? extends Serializable>> getPropertyDataSet()

Set of all the PropertyData objects defining the web component's properties.

Returns:

set of PropertyData

createWebComponentBinding

WebComponentBinding<C> createWebComponentBinding(Instantiator instantiator,
 Element element,
 tools.jackson.databind.JsonNode newAttributeDefaults)

Creates a new WebComponentBinding instance.

Parameters:

instantiator - Instantiator used to construct instances

element - element which acts as the root element for the exported component instance

newAttributeDefaults - JsonNode containing default overrides set by the user defining the component on a web page. These defaults are set using the web component's attributes.

Returns:

web component binding which can be used by the web component host to communicate with the component it is hosting

getTag

String getTag()

Retrieves the tag name configured by the web component exporter.

Returns:

tag name, not null

getExporterClass

Class<? extends WebComponentExporter<C>> getExporterClass()

Retrieves the type of the WebComponentExporter from which this configuration has been generated.

Returns:

web component exporter class