BSFClassLoader() 
{
  // note the non-public constructor - this is only avail within
  // this package.
}

 public synchronized Class loadClass(String name,
    boolean resolve) throws ClassNotFoundException 
{
	Class c = (Class) cache.get (name);
	if (c == null) {
	  // is it a system class
	  try {
	c = findSystemClass (name);
	cache.put (name, c);
	return c;
	  } catch (ClassNotFoundException e) {
	// nope
	  }
	  try {
	byte[] data = loadClassData (name);
	c = defineClass (name, data, 0, data.length);
	cache.put (name, c); 
	  } catch (Exception e) {
	e.printStackTrace ();
	throw new ClassNotFoundException ("unable to resolve class '" + 
					  name + "'");
	  }
	}
	if (resolve)
	  resolveClass (c); 
	return c;
}

 public  void setTempDir(String tempDir) 
{
	this.tempDir = tempDir;
}