public static void performSaveAs(String schemaPrefixFileName,String selFilePath,ContainerConfig containerConfig){
  try {
    File fileWithDefaultConfiguration=createContainerSchemaFile(schemaPrefixFileName,selFilePath);
    updateFile(containerConfig,fileWithDefaultConfiguration.getPath(),schemaPrefixFileName);
  }
 catch (  Exception e) {
    e.printStackTrace();
  }
}

public static void performSaveAs ( String schemaPrefixFileName , String selFilePath , ContainerConfig containerConfig ) { try { File fileWithDefaultConfiguration = createContainerSchemaFile ( schemaPrefixFileName , selFilePath ) ; updateFile ( containerConfig , fileWithDefaultConfiguration . getPath ( ) , schemaPrefixFileName ) ; } catch ( Exception e ) { e . printStackTrace ( ) ; } }
save content of containerconfig instance into xml file ( schema or configuration ) .
