com.vaadin.flow.server.frontend.scanner

Class ClassFinder.DefaultClassFinder

java.lang.Object

com.vaadin.flow.server.frontend.scanner.ClassFinder.DefaultClassFinder

All Implemented Interfaces:

ClassFinder, Serializable

Enclosing interface:

ClassFinder

public static class ClassFinder.DefaultClassFinder
extends Object
implements ClassFinder

Implementation that searches for annotated classes or subclasses in a list of classes.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.vaadin.flow.server.frontend.scanner.ClassFinder

ClassFinder.CachedClassFinder, ClassFinder.DefaultClassFinder

Constructor Summary

Constructors

Constructor and Description
DefaultClassFinder(ClassLoader classLoader, Class<?>... classes) ClassFinder using a specified ClassLoader to load classes and a list of classes where to look for annotations or subclasses.
DefaultClassFinder(Set<Class<?>> classes) It uses current classloader for getting resources or loading classes.

Method Summary

Modifier and Type	Method and Description
Set<Class<?>>	getAnnotatedClasses(Class<? extends Annotation> annotation) Get annotated classes in the classloader.
ClassLoader	getClassLoader() Get class loader which is used to find classes.
URL	getResource(String name) Get a resource from the classpath.
<T> Set<Class<? extends T>>	getSubTypesOf(Class<T> type) Gets all subtypes in hierarchy of a given type.
<T> Class<T>	loadClass(String name) Load a class in the classloader.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.vaadin.flow.server.frontend.scanner.ClassFinder

getAnnotatedClasses, getSubTypesOf

Constructor Detail

DefaultClassFinder

public DefaultClassFinder(Set<Class<?>> classes)

It uses current classloader for getting resources or loading classes.

Parameters:

classes - The classes.

DefaultClassFinder

public DefaultClassFinder(ClassLoader classLoader,
                          Class<?>... classes)

ClassFinder using a specified ClassLoader to load classes and a list of classes where to look for annotations or subclasses.

Parameters:

classLoader - classloader for getting resources or loading classes.

classes - classes where to look for annotations or subclasses.

Method Detail

getAnnotatedClasses

public Set<Class<?>> getAnnotatedClasses(Class<? extends Annotation> annotation)

Description copied from interface: ClassFinder

Get annotated classes in the classloader.

Specified by:

getAnnotatedClasses in interface ClassFinder

Parameters:

annotation - the annotation

Returns:

a set with all classes that are annotated

getResource

public URL getResource(String name)

Description copied from interface: ClassFinder

Get a resource from the classpath.

Specified by:

getResource in interface ClassFinder

Parameters:

name - class literal

Returns:

the resource

loadClass

public <T> Class<T> loadClass(String name)
                       throws ClassNotFoundException

Description copied from interface: ClassFinder

Load a class in the classloader.

Specified by:

loadClass in interface ClassFinder

Parameters:

name - the class literal

Returns:

the class

Throws:

ClassNotFoundException - when the class is not in the classpath

getSubTypesOf

public <T> Set<Class<? extends T>> getSubTypesOf(Class<T> type)

Description copied from interface: ClassFinder

Gets all subtypes in hierarchy of a given type.

Specified by:

getSubTypesOf in interface ClassFinder

Type Parameters:

T - the class of the type

Parameters:

type - the type to search for the subtypes for

Returns:

set of the subtypes of the given class

getClassLoader

public ClassLoader getClassLoader()

Description copied from interface: ClassFinder

Get class loader which is used to find classes.

Specified by:

getClassLoader in interface ClassFinder

Returns:

the class loader which is used to find classes..