WallProvider provider = new MySqlWallProvider();
for (int i = 0; i < items.length; ++i) {
String sql = items[i];
WallCheckResult result = provider.check(sql);
if (result.getViolations().size() > 0) {
Violation violation = result.getViolations().get(0);
System.err.println("error (" + i + ") : " + violation.getMessage());
System.out.println(sql);
System.out.println();