question: protected void export ( ) { int retVal ; File file ; AbstractFileSaver saver ; if ( m_FileChooser == null ) m_FileChooser = GUIHelper . newConverterFileChooser ( ) ; retVal = m_FileChooser . showSaveDialog ( this ) ; if ( retVal != ConverterFileChooser . APPROVE_OPTION ) return ; file = m_FileChooser . getSelectedFile ( ) ; saver = m_FileChooser . getSaver ( ) ; try { saver . setInstances ( m_DataPanel . getInstances ( ) ) ; saver . writeBatch ( ) ; } catch ( Exception e ) { JOptionPane . showMessageDialog ( this , "Failed to save dataset to '" + file + "':\n" + Utils . throwableToString ( e ) , "Error saving" , JOptionPane . ERROR_MESSAGE ) ; } }
target:  Exports the data to a file.