String sourceUri = getParameterAsString(SOURCE_URI);
org.w3c.dom.Document xmlDoc = SourceUtil.readDOM(sourceUri, this.manager);
ResourceType resourceType = sourceDoc.getResourceType();
Schema schema = resourceType.getSchema();
ValidationUtil.validate(this.manager, xmlDoc, schema, new UsecaseErrorHandler(this));
if (!hasErrors()) {
SourceUtil.writeDOM(xmlDoc, sourceDoc.getOutputStream());
String event = getParameterAsString(EVENT, DEFAULT_EVENT);
WorkflowUtil