JUnit 6.0.1 · org.junit.platform.commons.support.ReflectionSupport

Access	Constructor and Description
private	ReflectionSupport()

Method Summary

Modifier and Type	Method and Description
public static List<Class<?>>	Returns: an immutable list of all such classes found; never `null` but potentially empty findAllClassesInClasspathRoot(URI the URI for the classpath root in which to scan; never `null` root, Predicate<Class<?>> the class type filter; never `null` classFilter, Predicate<String> the class name filter; never `null` classNameFilter) Find all classes in the supplied classpath `root` that match the specified `classFilter` and `classNameFilter` predicates.
public static List<Class<?>>	Returns: an immutable list of all such classes found; never `null` but potentially empty findAllClassesInModule(String the name of the module to scan; never `null` or empty moduleName, Predicate<Class<?>> the class type filter; never `null` classFilter, Predicate<String> the class name filter; never `null` classNameFilter) Find all classes in the supplied `moduleName` that match the specified `classFilter` and `classNameFilter` predicates.
public static List<Class<?>>	Returns: an immutable list of all such classes found; never `null` but potentially empty findAllClassesInPackage(String the name of the base package in which to start scanning; must not be `null` and must be valid in terms of Java syntax basePackageName, Predicate<Class<?>> the class type filter; never `null` classFilter, Predicate<String> the class name filter; never `null` classNameFilter) Find all classes in the supplied `basePackageName` that match the specified `classFilter` and `classNameFilter` predicates.
public static List<Resource>	Returns: an immutable list of all such resources found; never `null` but potentially empty findAllResourcesInClasspathRoot(URI the URI for the classpath root in which to scan; never `null` root, Predicate<Resource> the resource type filter; never `null` resourceFilter) Deprecated for removal since 1.14. Please use `ResourceSupport#findAllResourcesInClasspathRoot(URI, ResourceFilter)` instead Find all resources in the supplied classpath `root` that match the specified `resourceFilter` predicate.
public static List<Resource>	Returns: an immutable list of all such resources found; never `null` but potentially empty findAllResourcesInModule(String the name of the module to scan; never `null` or empty moduleName, Predicate<Resource> the resource type filter; never `null` resourceFilter) Deprecated for removal since 1.14. Please use `ResourceSupport#findAllResourcesInModule(String, ResourceFilter)` instead Find all resources in the supplied `moduleName` that match the specified `resourceFilter` predicate.
public static List<Resource>	Returns: an immutable list of all such classes found; never `null` but potentially empty findAllResourcesInPackage(String the name of the base package in which to start scanning; must not be `null` and must be valid in terms of Java syntax basePackageName, Predicate<Resource> the resource type filter; never `null` resourceFilter) Deprecated for removal since 1.14. Please use `ResourceSupport#findAllResourcesInPackage(String, ResourceFilter)` instead Find all resources in the supplied `basePackageName` that match the specified `resourceFilter` predicate.
public static List<Field>	Returns: an immutable list of all such fields found; never `null` but potentially empty findFields(Class<?> the class or interface in which to find the fields; never `null` clazz, Predicate<Field> the field filter; never `null` predicate, HierarchyTraversalMode the hierarchy traversal mode; never `null` traversalMode) Find all distinct fields of the supplied class or interface that match the specified `predicate`.
public static Optional<Method>	Returns: an `Optional` containing the method found; never `null` but potentially empty if no such method could be found findMethod(Class<?> the class or interface in which to find the method; never `null` clazz, String the name of the method to find; never `null` or empty methodName, @Nullable String the fully qualified names of the types of parameters accepted by the method, if any, provided as a comma-separated list parameterTypeNames) Find the first `Method` of the supplied class or interface that meets the specified criteria, beginning with the specified class or interface and traversing up the type hierarchy until such a method is found or the type hierarchy is exhausted.
public static Optional<Method>	Returns: an `Optional` containing the method found; never `null` but potentially empty if no such method could be found findMethod(Class<?> the class or interface in which to find the method; never `null` clazz, String the name of the method to find; never `null` or empty methodName, Class<?>... the types of parameters accepted by the method, if any; never `null` parameterTypes) Find the first `Method` of the supplied class or interface that meets the specified criteria, beginning with the specified class or interface and traversing up the type hierarchy until such a method is found or the type hierarchy is exhausted.
public static List<Method>	Returns: an immutable list of all such methods found; never `null` but potentially empty findMethods(Class<?> the class or interface in which to find the methods; never `null` clazz, Predicate<Method> the method filter; never `null` predicate, HierarchyTraversalMode the hierarchy traversal mode; never `null` traversalMode) Find all distinct methods of the supplied class or interface that match the specified `predicate`.
public static List<Class<?>>	Returns: an immutable list of all such classes found; never `null` but potentially empty findNestedClasses(Class<?> the class to be searched; never `null` clazz, Predicate<Class<?>> the predicate against which the list of nested classes is checked; never `null` predicate) Find all nested classes within the supplied class, or inherited by the supplied class, that conform to the supplied predicate.
public static @Nullable Object	Returns: the value returned by the method invocation or `null` if the return type is `void` invokeMethod(Method the method to invoke; never `null` method, @Nullable Object the object on which to invoke the method; may be `null` if the method is `static` target, @Nullable Object... the arguments to pass to the method; never `null` args) Invoke the supplied method, making it accessible if necessary and masking any checked exception as an unchecked exception.
public static Field	Returns: the supplied field makeAccessible(Field the field to make accessible; never `null` field) Make the supplied field accessible via reflection.
public static <T> T	Returns: the new instance; never `null` newInstance(Class<T> the class to instantiate; never `null` clazz, Object... the arguments to pass to the constructor, none of which may be `null` args) Create a new instance of the specified `Class` by invoking the constructor whose argument list matches the types of the supplied arguments.
public static Stream<Class<?>>	Returns: a stream of all such classes found; never `null` but potentially empty streamAllClassesInClasspathRoot(URI the URI for the classpath root in which to scan; never `null` root, Predicate<Class<?>> the class type filter; never `null` classFilter, Predicate<String> the class name filter; never `null` classNameFilter) Find all classes in the supplied classpath `root` that match the specified `classFilter` and `classNameFilter` predicates.
public static Stream<Class<?>>	Returns: a stream of all such classes found; never `null` but potentially empty streamAllClassesInModule(String the name of the module to scan; never `null` or empty moduleName, Predicate<Class<?>> the class type filter; never `null` classFilter, Predicate<String> the class name filter; never `null` classNameFilter) Find all classes in the supplied `moduleName` that match the specified `classFilter` and `classNameFilter` predicates.
public static Stream<Class<?>>	Returns: a stream of all such classes found; never `null` but potentially empty streamAllClassesInPackage(String the name of the base package in which to start scanning; must not be `null` and must be valid in terms of Java syntax basePackageName, Predicate<Class<?>> the class type filter; never `null` classFilter, Predicate<String> the class name filter; never `null` classNameFilter) Find all classes in the supplied `basePackageName` that match the specified `classFilter` and `classNameFilter` predicates.
public static Stream<Resource>	Returns: a stream of all such classes found; never `null` but potentially empty streamAllResourcesInClasspathRoot(URI the URI for the classpath root in which to scan; never `null` root, Predicate<Resource> the resource type filter; never `null` resourceFilter) Deprecated for removal since 1.14. Please use `ResourceSupport#streamAllResourcesInClasspathRoot(URI, ResourceFilter)` instead Find all resources in the supplied classpath `root` that match the specified `resourceFilter` predicate.
public static Stream<Resource>	Returns: a stream of all such resources found; never `null` but potentially empty streamAllResourcesInModule(String the name of the module to scan; never `null` or empty moduleName, Predicate<Resource> the resource type filter; never `null` resourceFilter) Deprecated for removal since 1.14. Please use `ResourceSupport#streamAllResourcesInModule(String, ResourceFilter)` instead Find all resources in the supplied `moduleName` that match the specified `resourceFilter` predicate.
public static Stream<Resource>	Returns: a stream of all such resources found; never `null` but potentially empty streamAllResourcesInPackage(String the name of the base package in which to start scanning; must not be `null` and must be valid in terms of Java syntax basePackageName, Predicate<Resource> the resource type filter; never `null` resourceFilter) Deprecated for removal since 1.14. Please use `ResourceSupport#streamAllResourcesInPackage(String, ResourceFilter)` instead Find all resources in the supplied `basePackageName` that match the specified `resourceFilter` predicate.
public static Stream<Field>	Returns: a stream of all such fields found; never `null` but potentially empty streamFields(Class<?> the class or interface in which to find the fields; never `null` clazz, Predicate<Field> the field filter; never `null` predicate, HierarchyTraversalMode the hierarchy traversal mode; never `null` traversalMode) Find all distinct fields of the supplied class or interface that match the specified `predicate`.
public static Stream<Method>	Returns: a stream of all such methods found; never `null` but potentially empty streamMethods(Class<?> the class or interface in which to find the methods; never `null` clazz, Predicate<Method> the method filter; never `null` predicate, HierarchyTraversalMode the hierarchy traversal mode; never `null` traversalMode) Find all distinct methods of the supplied class or interface that match the specified `predicate`.
public static Stream<Class<?>>	Returns: a stream of all such classes found; never `null` but potentially empty streamNestedClasses(Class<?> the class to be searched; never `null` clazz, Predicate<Class<?>> the predicate against which the list of nested classes is checked; never `null` predicate) Find all nested classes within the supplied class, or inherited by the supplied class, that conform to the supplied predicate.
private static ResourceFilter	toResourceFilter(Predicate<Resource> resourceFilter)
pack-priv static List<Resource>	toSupportResourcesList(List<Resource> resources)
pack-priv static Set<Resource>	toSupportResourcesSet(Set<Resource> resources)
pack-priv static Stream<Resource>	toSupportResourcesStream(Stream<Resource> resources)
public static Try<Set<Resource>>	Returns: a successful `Try` containing the set of loaded resources (potentially empty) or a failed `Try` containing the exception in case a failure occurred while trying to list resources; never `null` tryToGetResources(String the name of the resource to load; never `null` or blank classpathResourceName) Deprecated for removal since 1.14. Please use `ResourceSupport#tryToGetResources(String)` instead Try to get the resources for the supplied classpath resource name.
public static Try<Set<Resource>>	Returns: a successful `Try` containing the set of loaded resources (potentially empty) or a failed `Try` containing the exception in case a failure occurred while trying to list resources; never `null` tryToGetResources(String the name of the resource to load; never `null` or blank classpathResourceName, ClassLoader the `ClassLoader` to use; never `null` classLoader) Deprecated for removal since 1.14. Please use `ResourceSupport#tryToGetResources(String, ClassLoader)` instead Try to load the resources for the supplied classpath resource name, using the supplied `ClassLoader`.
public static Try<Class<?>>	Returns: a successful `Try` containing the loaded class or a failed `Try` containing the exception if no such class could be loaded; never `null` tryToLoadClass(String the name of the class to load; never `null` or blank name) Try to load a class by its primitive name or fully qualified name, using the default `ClassLoader`.
public static Try<Class<?>>	Returns: a successful `Try` containing the loaded class or a failed `Try` containing the exception if no such class could be loaded; never `null` tryToLoadClass(String the name of the class to load; never `null` or blank name, ClassLoader the `ClassLoader` to use; never `null` classLoader) Try to load a class by its primitive name or fully qualified name, using the supplied `ClassLoader`.
public static Try<@Nullable Object>	tryToReadFieldValue(Field the field to read; never `null` field, @Nullable Object the instance from which the value is to be read; may be `null` for a static field instance) Try to read the value of a potentially inaccessible field.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

public final Class ReflectionSupport

Constructor Summary

Method Summary