com.vaadin.flow.component.polymertemplate

Class TemplateInitializer

java.lang.Object

com.vaadin.flow.component.polymertemplate.TemplateInitializer

public class TemplateInitializer
extends Object

Template initialization related logic (parse template, create sub-templates, inject elements by id).

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

Since:

1.0

Author:

Vaadin Ltd

Constructor Summary

Constructors

Constructor and Description
TemplateInitializer(PolymerTemplate<?> template, TemplateParser parser, VaadinService service) Creates a new initializer instance.

Method Summary

Modifier and Type	Method and Description
Set<String>	getTwoWayBindingPaths() Gets a set of two way binding paths encountered in the template.
static Optional<Class<? extends Component>>	getUsesClass(Class<? extends PolymerTemplate<?>> templateType, String tagName) Looks for a component class with the given tag name among the classes used by the given polymer template class.
void	initChildElements() Initializes child elements.

Methods inherited from class java.lang.Object

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

Constructor Detail

TemplateInitializer

public TemplateInitializer(PolymerTemplate<?> template,
                           TemplateParser parser,
                           VaadinService service)

Creates a new initializer instance.

Parameters:

template - a template to initialize

parser - a template parser instance

service - the related service

Method Detail

initChildElements

public void initChildElements()

Initializes child elements.

getTwoWayBindingPaths

public Set<String> getTwoWayBindingPaths()

Gets a set of two way binding paths encountered in the template.

Returns:

an unmodifiable collection of two way binding paths

getUsesClass

public static Optional<Class<? extends Component>> getUsesClass(Class<? extends PolymerTemplate<?>> templateType,
                                                                String tagName)

Looks for a component class with the given tag name among the classes used by the given polymer template class. Usage is determined based on the @Uses annotation.

Parameters:

templateType - the polymer template type

tagName - the tag name to look for

Returns:

an optional component class, or an empty optional if the template doesn't use any component with the given tag name