com.vaadin.flow.server.frontend

Class FrontendWebComponentGenerator

java.lang.Object

com.vaadin.flow.server.frontend.FrontendWebComponentGenerator

All Implemented Interfaces:

Serializable

public class FrontendWebComponentGenerator
extends Object
implements Serializable

Generates embeddable web component files in npm mode, hiding the complexity caused by using a different class loader. Uses WebComponentModulesWriter to generate web component modules files from WebComponentExporter implementations found by ClassFinder.

Since:

2.0

Author:

Vaadin Ltd.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
FrontendWebComponentGenerator(ClassFinder finder) Creates a new instances and stores the finder to be used for locating WebComponentModulesWriter and WebComponentExporter classes.

Method Summary

Modifier and Type	Method and Description
Set<File>	generateWebComponents(File outputDirectory) Collects WebComponentModulesWriter class and classes that extend WebComponentExporter using finder.

Methods inherited from class java.lang.Object

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

Constructor Detail

FrontendWebComponentGenerator

public FrontendWebComponentGenerator(ClassFinder finder)

Creates a new instances and stores the finder to be used for locating WebComponentModulesWriter and WebComponentExporter classes.

Parameters:

finder - ClassFinder implementation

Method Detail

generateWebComponents

public Set<File> generateWebComponents(File outputDirectory)

Collects WebComponentModulesWriter class and classes that extend WebComponentExporter using finder. Generates web component modules and places the into the outputDirectory.

Parameters:

outputDirectory - target directory for the web component module files

Returns:

generated files

Throws:

IllegalStateException - if finder cannot locate required classes