com.yahoo.elide.core.utils

Class ClassScanner

java.lang.Object

com.yahoo.elide.core.utils.ClassScanner

public class ClassScanner
extends Object

Scans a package for classes by looking at files in the classpath.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ClassScanner.FilterExpression Function which will be invoked for deciding to include the class in final results.

Constructor Summary

Constructors

Constructor and Description
ClassScanner()

Method Summary

Modifier and Type	Method and Description
static Set<Class<?>>	getAllClasses(String packageName) Returns all classes within a package.
static Set<Class<?>>	getAnnotatedClasses(Class<? extends Annotation>... annotations)
static Set<Class<?>>	getAnnotatedClasses(List<Class<? extends Annotation>> annotations) Scans all classes accessible from the context class loader which belong to the current class loader.
static Set<Class<?>>	getAnnotatedClasses(List<Class<? extends Annotation>> annotations, ClassScanner.FilterExpression filter) Scans all classes accessible from the context class loader which belong to the current class loader.
static Set<Class<?>>	getAnnotatedClasses(Package toScan, Class<? extends Annotation> annotation) Scans all classes accessible from the context class loader which belong to the given package and subpackages.
static Set<Class<?>>	getAnnotatedClasses(String packageName, Class<? extends Annotation> annotation) Scans all classes accessible from the context class loader which belong to the given package and subpackages.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassScanner

public ClassScanner()

Method Detail

getAnnotatedClasses

public static Set<Class<?>> getAnnotatedClasses(Package toScan,
                                                Class<? extends Annotation> annotation)

Scans all classes accessible from the context class loader which belong to the given package and subpackages.

Parameters:

toScan - package to scan

annotation - Annotation to search

Returns:

The classes

getAnnotatedClasses

public static Set<Class<?>> getAnnotatedClasses(String packageName,
                                                Class<? extends Annotation> annotation)

Scans all classes accessible from the context class loader which belong to the given package and subpackages.

Parameters:

packageName - package name to scan.

annotation - Annotation to search

Returns:

The classes

getAnnotatedClasses

public static Set<Class<?>> getAnnotatedClasses(List<Class<? extends Annotation>> annotations,
                                                ClassScanner.FilterExpression filter)

Scans all classes accessible from the context class loader which belong to the current class loader. Filters the final output based on expression.

Parameters:

annotations - One or more annotation to search for

filter - filter expression to include the final results in the output.

Returns:

The classes

getAnnotatedClasses

public static Set<Class<?>> getAnnotatedClasses(List<Class<? extends Annotation>> annotations)

Scans all classes accessible from the context class loader which belong to the current class loader.

Parameters:

annotations - One or more annotation to search for

Returns:

The classes

getAnnotatedClasses

@SafeVarargs
public static Set<Class<?>> getAnnotatedClasses(Class<? extends Annotation>... annotations)

getAllClasses

public static Set<Class<?>> getAllClasses(String packageName)

Returns all classes within a package.

Parameters:

packageName - The root package to search.

Returns:

All the classes within a package.