package com.atlassian.plugin.classloader;
   
   import java.net.URL;
   import java.util.Map;
   import java.util.HashMap;
   
   public class MockClassLoader extends AbstractClassLoader
   {
       private Map<String, Class> registeredClasses = new HashMap<String, Class>();
  
      protected URL findResource(final String name)
      {
          throw new UnsupportedOperationException();
      }
  
      protected Class findClass(final String className) throws ClassNotFoundException
      {
          Class clazz = registeredClasses.get(className);
          if (clazz == null)
          {
              throw new ClassNotFoundException("Class '" + className + "' not found.");
          }
          return clazz;
      }
  
      public void register(final String className, final Class clazz)
      {
          registeredClasses.put(className, clazz);
      }
  }