com.neurosys.utils

Class ClasspathScanner

java.lang.Object

com.neurosys.utils.ClasspathScanner

public class ClasspathScanner
extends Object

Utility class for scanning classpath

Author:

Eugene Rachitskiy

Constructor Summary

Constructors

Constructor and Description
ClasspathScanner()

Method Summary

Modifier and Type	Method and Description
static Set<Class<?>>	getClassesInPackage(String scanPackage) Return all classes within a package and all "sub packages" Consider the following classes: x.y.a.TestClass x.y.a.b.TestClass x.y.b.TestClass Inoking getClassesInPackage("x.y.a") would return x.y.a.TestClass and x.y.a.b.TestClass
static <T> Set<Class<T>>	getClassForType(Class<T> type, String scanPackage) Get all classes of required type in specified package
static Set<Class<?>>	scanDir(int basePathLength, String dirPath) Scan a directory for classes

Methods inherited from class java.lang.Object

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

Constructor Detail

ClasspathScanner

public ClasspathScanner()

Method Detail

scanDir

public static Set<Class<?>> scanDir(int basePathLength,
                                    String dirPath)

Scan a directory for classes

Parameters:

basePathLength - start prefix index

dirPath - directory

Returns:

all classes found in directory

getClassForType

public static <T> Set<Class<T>> getClassForType(Class<T> type,
                                                String scanPackage)

Get all classes of required type in specified package

Parameters:

type - a required type

scanPackage - package to scan

Returns:

all classes on classpath with the appropriate type and package

getClassesInPackage

public static Set<Class<?>> getClassesInPackage(String scanPackage)

Return all classes within a package and all "sub packages"

Consider the following classes:

• x.y.a.TestClass
• x.y.a.b.TestClass
• x.y.b.TestClass

Inoking getClassesInPackage("x.y.a") would return x.y.a.TestClass and x.y.a.b.TestClass

Parameters:

scanPackage - package to starts can at

Returns:

all classes in package and sub packages