Add exception handler to Main.

src/main/scala/Main.scala

@@ -37,10 +37,13 @@ object Main {
       for (v <- Files.walk(Paths.get(args(0))).toArray; f = v.asInstanceOf[Path]; if !Files.isDirectory(f)) {
         val fSourceName= f.getFileName.toString
         val fOutputName = s"Converted_$fSourceName"
+        val now = LocalDateTime.now().toString
+
+        Try {
           val sourceXml = XML.loadFile(f.toString)
+
           val template = Template(sourceXml)
           val outputXml = XML.loadString(p.format(template.render))
-        val now = LocalDateTime.now().toString
 
           val sourceXmlValid = if (template.isStraight) nsdXmlValid else rtsXmlValid
           val outputXmlValid = if (template.isStraight) rtsXmlValid else nsdXmlValid
@@ -61,10 +64,23 @@ object Main {
 
           XML.save(Paths.get(args(1), fOutputName).toString, outputXml, xmlDecl = true)
 
-        logString += template.info(s"$now\n$msgCheckSource\n$msgCheckOutput") + "\n\n"
+          template.info(s"$now\n$msgCheckSource\n$msgCheckOutput") + "\n\n"
+        } match {
+          case Success(ti) => logString += ti
+          case Failure(ex) => logString += s"'$now\nImpossible to convert'$fSourceName': ${ex.getMessage}\n\n"
+        }
       }
 
-      Files.write(Paths.get(args(1), logFileName), logString.getBytes("utf-8"), StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING)
+      Try {
+        Files.write(
+          Paths.get(args(1), logFileName),
+          logString.getBytes("utf-8"),
+          StandardOpenOption.CREATE,
+          StandardOpenOption.TRUNCATE_EXISTING)
+      } match {
+        case Success(_) => println(s"Work has finished. $logFileName located in ${args(1)}")
+        case Failure(ex) => println(s"Error. Work hasn`t finished: ${ex.getMessage}")
+      }
     }
   }
 }