org.jolokia.util

Class ClassUtil

java.lang.Object

org.jolokia.util.ClassUtil

public final class ClassUtil
extends Object

Utility for class lookup.

Since:

19.04.11

Author:

roland

Method Summary

Methods

Modifier and Type	Method and Description
static boolean	checkForClass(String pClassName) Check for the existence of a given class
static Class	classForName(String pClassName) Lookup a class.
static Class	classForName(String pClassName, boolean pInitialize) Load a certain class.
static <T> T	newInstance(String pClass) Instantiate an instance of the given class with its default constructor

Methods inherited from class java.lang.Object

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

Method Detail

classForName

public static Class classForName(String pClassName,
                 boolean pInitialize)

Load a certain class. Several class loader are tried: Fires the current thread's context class loader, then its parents. If this doesn't work, the class loader which loaded this class is used (and its parents)

Parameters:

pClassName - class name to load

pInitialize - whether the class must be initialized

Returns:

the class class found or null if no class could be loaded

classForName

public static Class classForName(String pClassName)

Lookup a class. See classForName(String, boolean) for details. The class gets initialized during lookup.

Parameters:

pClassName - name to lookup.

Returns:

the class found or null if no class could be found.

checkForClass

public static boolean checkForClass(String pClassName)

Check for the existence of a given class

Parameters:

pClassName - class name to check

Returns:

true if the class could be loaded by the thread's conext class loader, false otherwise

newInstance

public static <T> T newInstance(String pClass)

Instantiate an instance of the given class with its default constructor

Type Parameters:

T - type object type

Parameters:

pClass - name of class to instantiate

Returns:

instantiated class

Throws:

IllegalArgumentException - if the class could not be found or instantiated