return getExtension( type, name, null, environment );
String name = setting.getName(); if (name == null) { name = setting.getClassName(); if (name == null) { throw new IllegalArgumentException("Unable to load extension without name or class-setting. Please check your build.xml file."); } } return getExtension(type, name, setting, environment);
	public Extension getExtension( String type, String name, Environment environment ) 	throws ClassNotFoundException, InstantiationException, IllegalAccessException 	{		return getExtension( type, name, null, environment );	}