?? classloaderutil.java
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/*
* Copyright (c) 2002-2003 by OpenSymphony
* All rights reserved.
*/
package com.opensymphony.oscache.util;
/**
* <p>This code is borrowed directly from OSCore, but is duplicated
* here to avoid having to add a dependency on the entire OSCore jar.</p>
*
* <p>If much more code from OSCore is needed then it might be wiser to
* bite the bullet and add a dependency.</p>
*/
public class ClassLoaderUtil {
private ClassLoaderUtil() {
}
/**
* Load a class with a given name.
*
* It will try to load the class in the following order:
* <ul>
* <li>From Thread.currentThread().getContextClassLoader()
* <li>Using the basic Class.forName()
* <li>From ClassLoaderUtil.class.getClassLoader()
* <li>From the callingClass.getClassLoader()
* </ul>
*
* @param className The name of the class to load
* @param callingClass The Class object of the calling object
* @throws ClassNotFoundException If the class cannot be found anywhere.
*/
public static Class loadClass(String className, Class callingClass) throws ClassNotFoundException {
try {
return Thread.currentThread().getContextClassLoader().loadClass(className);
} catch (ClassNotFoundException e) {
try {
return Class.forName(className);
} catch (ClassNotFoundException ex) {
try {
return ClassLoaderUtil.class.getClassLoader().loadClass(className);
} catch (ClassNotFoundException exc) {
return callingClass.getClassLoader().loadClass(className);
}
}
}
}
}
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