code: @Override
  	public void walkTree(IResourceVisitor visitor) throws IOException {
  		if (!exists() || symname == null) {
  			throw new IOException(getURI().toString());
  		}
  		Bundle bundle = Platform.getBundle(symname);
  		recurse(bundle, getURI().getPath(), visitor, ""); //$NON-NLS-1$
  	}
docs: /* (non-Javadoc)
  @see com.ibm.jaggr.service.resource.IResource#walkTree(com.ibm.jaggr.service.resource.IResourceVisitor)