com.vaadin.server

Interface DependencyFilter

All Superinterfaces:

Serializable

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface DependencyFilter
extends Serializable

Filter for dependencies loaded using @StyleSheet, @JavaScript and @HtmlImport.

Since:

8.1

See Also:

ServiceInitEvent.addDependencyFilter(DependencyFilter)

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	DependencyFilter.FilterContext Provides context information for the dependency filter operation.

Method Summary

Modifier and Type	Method and Description
List<Dependency>	filter(List<Dependency> dependencies, DependencyFilter.FilterContext filterContext) Filters the list of dependencies and returns a (possibly) updated version.

Method Detail

filter

List<Dependency> filter(List<Dependency> dependencies,
                        DependencyFilter.FilterContext filterContext)

Filters the list of dependencies and returns a (possibly) updated version.

Called whenever dependencies are about to be sent to the client side for loading.

Parameters:

dependencies - the collected dependencies, possibly already modified by other filters

filterContext - context information, e.g about the target UI

Returns:

a list of dependencies to load