}
public boolean addSSCItem(DataItem item) throws DocumentException, IOException {
Document root = getDocumentComm(Config.DATA_FILE_PATH+item.getType()+".xml");
Element rootEl = root.getRootElement();
if (rootEl.elementByID(item.getId()) != null) {
// System.err.println(item.getType() + " number:" + item.getId()
// + " is existed.");
writeLogs(item.getType() + " number:" + item.getId()
+ " is existed.", this.getClass(), null);
return false;