org.objenesis.instantiator.util

Class ClassUtils

java.lang.Object

org.objenesis.instantiator.util.ClassUtils

public final class ClassUtils
extends Object

Helper class for to play with classes.

Author:

Henri Tremblay

Method Summary

Modifier and Type	Method and Description
static String	classNameToInternalClassName(String className) Will convert a class name to its name in the class definition format (e.g org.objenesis.EmptyClass becomes org/objenesis/EmptyClass)
static String	classNameToResource(String className) Will convert a class name to its class loader resource name (e.g org.objenesis.EmptyClass becomes org/objenesis/EmptyClass.class)
static <T> Class<T>	getExistingClass(ClassLoader classLoader, String className) Check if this class already exists in the class loader and return it if it does
static <T> T	newInstance(Class<T> clazz)

Methods inherited from class java.lang.Object

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

Method Detail

classNameToInternalClassName

public static String classNameToInternalClassName(String className)

Will convert a class name to its name in the class definition format (e.g org.objenesis.EmptyClass becomes org/objenesis/EmptyClass)

Parameters:

className - full class name including the package

Returns:

the internal name

classNameToResource

public static String classNameToResource(String className)

Will convert a class name to its class loader resource name (e.g org.objenesis.EmptyClass becomes org/objenesis/EmptyClass.class)

Parameters:

className - full class name including the package

Returns:

the resource name

getExistingClass

public static <T> Class<T> getExistingClass(ClassLoader classLoader,
                                            String className)

Check if this class already exists in the class loader and return it if it does

Type Parameters:

T - type of the class returned

Parameters:

classLoader - Class loader where to search the class

className - Class name with full path

Returns:

the class if it already exists or null

newInstance

public static <T> T newInstance(Class<T> clazz)