(Java) Load P7B and List Certificates

Demonstrates how to load a .p7b containing certificates and accesses each individual certificate.

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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[])
  {
    // Unlock the Chilkat API.
    // Starting in v9.5.0.49, all Chilkat classes can be unlocked at once at the beginning of a program
    // by calling UnlockBundle.  It requires a Bundle unlock code.
    CkGlobal chilkatGlob = new CkGlobal();
    boolean success = chilkatGlob.UnlockBundle("Anything for 30-day trial.");
    if (success != true) {
        System.out.println(chilkatGlob.lastErrorText());
        return;
        }

    CkPem pem = new CkPem();

    // Load the .p7b from a file.
    success = pem.LoadP7bFile("/Users/chilkat/testData/p7b/myCerts.p7b");
    if (success != true) {
        System.out.println(pem.lastErrorText());
        return;
        }

    int i;
    int numCerts = pem.get_NumCerts();
    if (numCerts == 0) {
        System.out.println((("Error: Expected the .p7b to contain certificates.")));
        return;
        }

    // Access each certificate and show the DN (Distinguished Name)
    for (i = 1; i <= numCerts; i++) {
        CkCert cert = pem.GetCert(i - 1);
        System.out.println(i + ": " + cert.subjectDN());

        }
  }
}