public static DataSourceDefinition createFromXML(SystemDefinitionType definitionType) {
   return new SystemSourceDefinition(new SystemSource(new File(definitionType.getPath())));
 }
 @Override
 public DefinitionType getDefinition() {
   SystemDefinitionType ret = new SystemDefinitionType();
   ret.setPath(file.getAbsolutePath());
   return ret;
 }