container/common/src/main/java/org/mobicents/slee/container/security/Utility.java
public static ClassLoader switchSafelyClassLoader(final ClassLoader cl,final ProfileObject po)
	{
		ClassLoader _cl = null;
		if(System.getSecurityManager()!=null)
		{
			_cl =	(ClassLoader) AccessController.doPrivileged(new PrivilegedAction(){

				public Object run() {
					
					return _switchSafelyClassLoader(cl,po);
				}});
		}else
		{
			_cl = _switchSafelyClassLoader(cl, po);
		}
		
		return _cl;
		
	}
public static ClassLoader switchSafelyClassLoader(final ClassLoader cl,final ProfileObject po)
	{
		ClassLoader _cl = null;
		if(System.getSecurityManager()!=null)
		{
			_cl =	(ClassLoader) AccessController.doPrivileged(new PrivilegedAction(){

				public Object run() {
					
					return _switchSafelyClassLoader(cl,po);
				}});
		}else
		{
			_cl = _switchSafelyClassLoader(cl, po);
		}
		
		return _cl;
		
	}
This method depending if SecurityManger is present switches class loader using priviledged action,
this is requried as some action may be initiated by unsecure domains.
@param cl
@param po
@return