@Override
public Component preview() {
final Label commonNameLabel = new Label("certCommonName", new Model<String>());
final ByteArrayInputStream certificateStream = new ByteArrayInputStream(uploadedBytes);
try {
final X509Certificate certificate =
(X509Certificate)
CertificateFactory.getInstance("X.509").generateCertificate(certificateStream);
final StringBuilder commonNameBuilder = new StringBuilder("cn=");
final LdapName ldapName = new LdapName(certificate.getIssuerDN().getName());
for (Rdn rdn : ldapName.getRdns()) {
if ("CN".equalsIgnoreCase(rdn.getType())) {
commonNameBuilder.append(
rdn.getValue() == null ? StringUtils.EMPTY : rdn.getValue().toString());
}
}
commonNameLabel.setDefaultModelObject(commonNameBuilder.toString());
} catch (Exception e) {
LOG.error("Error evaluating certificate file", e);
throw new IllegalArgumentException("Error evaluating certificate file", e);
} finally {
IOUtils.closeQuietly(certificateStream);
}
return this.add(commonNameLabel);
}
