}
List themeBundles = ExtensionsEnvironment.getExtensionsRegistry().getExtensions(ChartThemeBundle.class);
for (Iterator it = themeBundles.iterator(); it.hasNext();)
{
ChartThemeBundle bundle = (ChartThemeBundle) it.next();
ChartTheme chartTheme = bundle.getChartTheme(themeName);
if (chartTheme != null)
{
return chartTheme;
}
}