public InputStream getResourceAsStream( String resourceName ) throws IOException {
return new ByteArrayInputStream( "".getBytes() );
}
};
StyleSheet styleSheet = CssFileReader.readStyleSheet( "", resourceLoader );
Theme theme = new Theme( themeId, "unknown", styleSheet );
ApplicationContextImpl applicationContext = ContextProvider.getContext().getApplicationContext();
environment.resetThemes();
ThemeManager themeManager = applicationContext.getThemeManager();
themeManager.registerTheme( theme );
}