}
}
private void exportOneKey(String key) throws IOException,
UnsupportedEncodingException {
DumpKey command = new DumpKey(id, db, key);
command.execute();
byte[] value = command.getValue();
String id = PropertyFile.readMaxId(file, Constant.MAXID);
PropertyFile.write(file, Constant.KEY+id, key);
PropertyFile.write(file, Constant.VALUE+id, new String(value,Constant.CODEC));
int maxid = Integer.parseInt(id) + 1;