(Java) Load P7B and Iterate Certificates

Demonstrates how to load a .p7b containing one or more certificates access each of them.

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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[])
  {
    // 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;
        }

    // The Chilkat PEM class was introduced in v9.5.0.49.  
    // It requires the bundle to be unlocked, as shown above.
    CkPem pem = new CkPem();

    // Load the .p7b from a file.
    success = pem.LoadP7bFile("../myCertFiles/myP7b.p7b");
    if (success != true) {
        System.out.println(pem.lastErrorText());
        return;
        }

    // Note: If the app already has the p7b loaded in memory, the LoadP7b method
    // may be called instead.  (see the online reference documentation)

    // Iterate over the certificates.
    int numCerts = pem.get_NumCerts();
    int i = 0;

    while (i < numCerts) {

        CkCert cert = pem.GetCert(i);
        System.out.println("Certificate " + i + " : " + cert.subjectDN());

        i = i+1;
        }
  }
}