String clazz = (atts.getValue(ATTRIBUTE_CLASS));
postprocessor = (PostProcessor) createInstance(clazz);
} else if (ELEMENT_PIPELINE.equals(localName)) {
this.aggregate = false;
this.pipeline = new ProcessPipeline();
this.pipeline.setName(atts.getValue(ATTRIBUTE_NAME));
String des = atts.getValue(ATTRIBUTE_DESCRIPTION);
if (des != null) {
this.pipeline.setDescription(des);
}