question: public void save ( String key , Object data , boolean isEncrypted , String encryptKey ) { key = safetyKey ( key ) ; String wrapperJSONSerialized ; if ( data instanceof Record ) { Type type = jolyglot . newParameterizedType ( data . getClass ( ) , Object . class ) ; wrapperJSONSerialized = jolyglot . toJson ( data , type ) ; } else { wrapperJSONSerialized = jolyglot . toJson ( data ) ; } FileWriter fileWriter = null ; try { File file = new File ( cacheDirectory , key ) ; fileWriter = new FileWriter ( file , false ) ; fileWriter . write ( wrapperJSONSerialized ) ; fileWriter . flush ( ) ; fileWriter . close ( ) ; fileWriter = null ; if ( isEncrypted ) { fileEncryptor . encrypt ( encryptKey , new File ( cacheDirectory , key ) ) ; } } catch ( Exception e ) { throw new RuntimeException ( e ) ; } finally { try { if ( fileWriter != null ) { fileWriter . flush ( ) ; fileWriter . close ( ) ; } } catch ( IOException e ) { e . printStackTrace ( ) ; } } }
target:  Save in disk the object passed.