Configuration schemaConf = config.getChild(ELEMENT_SCHEMA, false);
if (schemaConf != null) {
String uri = schemaConf.getAttribute(ATTRIBUTE_URI);
String language = schemaConf.getAttribute(ATTRIBUTE_NAMESPACE);
this.schema = new Schema(language, uri);
}
// determine the sample content locations.
Configuration samplesFileConf = config.getChild(ELEMENT_SAMPLES, false);
if (samplesFileConf != null) {