Package 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:

  • Constructor Details

    • 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 Details

    • 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
      Type Parameters:
      T - the type of the class
      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..