DicomInputStream dis = null;
try {
System.out.print("Validate: " + file + " ... ");
dis = new DicomInputStream(file);
Attributes attrs = dis.readDataset(-1, -1);
ValidationResult result = attrs.validate(iod);
if (result.isValid())
System.out.println("OK");
else {
System.out.println("FAILED:");
System.out.println(result.asText(attrs));