(Java) Find a Certificate by it's SHA-1 Thumbprint

Finds a certificate by it's SHA-1 hex thumbprint. Parts of this example are specific to Windows because it searches the Windows Current User certificate store.

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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[])
  {
    CkCertStore certStore = new CkCertStore();

    String thumbprint = "12c1dd8015f3f03f7b1fa619dc24e2493ca8b4b2";

    // This part of the example is specific to Windows because it is opening the Windows Current-User certificate store.
    boolean bReadOnly = true;
    boolean success = certStore.OpenCurrentUserStore(bReadOnly);
    if (success != true) {
        System.out.println(certStore.lastErrorText());
        return;
        }

    // Find the certificate with the desired thumbprint
    CkCert cert = certStore.FindCertBySha1Thumbprint(thumbprint);
    if (certStore.get_LastMethodSuccess() != true) {
        System.out.println("Failed to find the certificate.");
        return;
        }

    System.out.println("Found: " + cert.subjectCN());

    // -------------------------------------------------------------------------------------
    // Alternatively, one could load a certificate store object with certs from a PEM file,
    // and do the same thing..
    CkCertStore certStorePem = new CkCertStore();

    success = certStorePem.LoadPemFile("pemFiles/certificates.pem");
    if (success != true) {
        System.out.println(certStorePem.lastErrorText());
        return;
        }

    cert = certStorePem.FindCertBySha1Thumbprint(thumbprint);
    if (certStorePem.get_LastMethodSuccess() != true) {
        System.out.println("Failed to find the certificate.");
        return;
        }

    System.out.println("Found: " + cert.subjectCN());
  }
}