(Java) Subject Alternative Name

Demonstrates the usage of the SubjectAlternativeName property to get the certificate SAN (subject alternative name) as XML.

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import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    // Note: Not all certificates contain a Subject Alternative Name.
    // If it does not, the SubjectAlternativeName property will contain the empty string.

    CkCert cert = new CkCert();

    boolean success = cert.LoadFromFile("qa_data/certs/testIcpBrasil.cer");
    if (success == false) {
        System.out.println(cert.lastErrorText());
        return;
        }

    String subjectAltNameXml = cert.subjectAlternativeName();

    System.out.println(subjectAltNameXml);

    // Here's a sample of the subjectAltNameXml:

    // <?xml version="1.0" encoding="utf-8"?>
    // <SubjectAltName>
    //     <name type="oid" oid="2.16.76.1.3.4">...</name>
    //     <name type="oid" oid="2.16.76.1.3.2">...</name>
    //     <name type="oid" oid="2.16.76.1.3.3">...</name>
    //     <name type="oid" oid="2.16.76.1.3.7">...</name>
    //     <rfc822Name>...</rfc822Name>
    // </SubjectAltName>

    // The XML can be parsed like this:

    CkXml xml = new CkXml();

    xml.LoadXml(subjectAltNameXml);

    String oid;
    String name;

    int i = 0;
    int count_i = xml.NumChildrenHavingTag("name");
    while (i < count_i) {
        xml.put_I(i);
        oid = xml.chilkatPath("name[i]|(oid)");
        name = xml.getChildContent("name[i]");
        i = i+1;
        }

    String rfc822Name = xml.getChildContent("rfc822Name");
  }
}