question: public String toString ( ) { StringBuilder sb = new StringBuilder ( ) ; try { TransformerFactory tFactory = TransformerFactory . newInstance ( ) ; Transformer transformer = tFactory . newTransformer ( ) ; transformer . setOutputProperty ( OutputKeys . INDENT , "yes" ) ; transformer . setOutputProperty ( "{http://xml.apache.org/xslt}indent-amount" , "2" ) ; DOMSource source = new DOMSource ( this . node ) ; Path tempPath = Files . createTempDirectory ( Paths . get ( System . getProperty ( "java.io.tmpdir" ) ) , "IMFDocuments" ) ; File tempDir = tempPath . toFile ( ) ; File outputFile = new File ( tempDir + "/XMLDom.xml" ) ; StreamResult result = new StreamResult ( outputFile ) ; transformer . transform ( source , result ) ; sb . append ( readFile ( outputFile ) ) ; outputFile . deleteOnExit ( ) ; } catch ( TransformerException | IOException e ) { imfErrorLogger . addError ( IMFErrorLogger . IMFErrors . ErrorCodes . IMF_CPL_ERROR , IMFErrorLogger . IMFErrors . ErrorLevels . WARNING , e . getMessage ( ) ) ; } return sb . toString ( ) ; }
target:  A method that returns a string representation of a DOMNodeObjectModel object