/* * Copyright (c) 2002-2003 by OpenSymphony * All rights reserved. */package com.opensymphony.workflow.loader;import com.opensymphony.workflow.InvalidWorkflowDescriptorException;import com.opensymphony.workflow.util.Validatable;import java.util.Collection;import java.util.Iterator;/** * DOCUMENT ME! * * @author $author$ * @version $Revision: 1.2 $ */public class ValidationHelper {    //~ Methods ////////////////////////////////////////////////////////////////    public static void validate(Collection c) throws InvalidWorkflowDescriptorException {        Iterator iter = c.iterator();        while (iter.hasNext()) {            Object o = iter.next();            if (o instanceof Validatable) {                ((Validatable) o).validate();            }        }    }}