Example usage for org.bouncycastle.asn1.x509 DistributionPoint DistributionPoint

Introduction

In this page you can find the example usage for org.bouncycastle.asn1.x509 DistributionPoint DistributionPoint.

Prototype

public DistributionPoint(ASN1Sequence seq) 

Source Link

Usage

From source file:de.thiemann.ssl.report.model.CertificateV3.java

License:Open Source License

private List<String> transferDistributionPoints(byte[] extension) {
    if (extension == null)
        return null;

    ASN1Sequence crlDistributionPoints = null;

    try {/*from w w  w.  j  a  va2s  .  c  o  m*/
        ASN1Object o = null;

        o = (DEROctetString) ASN1Object.fromByteArray(extension);
        if (o instanceof DEROctetString) {
            DEROctetString octStr = (DEROctetString) o;

            o = ASN1Object.fromByteArray(octStr.getOctets());
            if (o instanceof ASN1Sequence) {
                crlDistributionPoints = (ASN1Sequence) o;
            }
        }

    } catch (IOException e) {
        e.printStackTrace();
    }

    if (crlDistributionPoints == null)
        return null;

    List<String> l = new ArrayList<String>();
    Enumeration<?> e = crlDistributionPoints.getObjects();
    while (e.hasMoreElements()) {
        Object o = e.nextElement();

        if (o instanceof ASN1Sequence) {
            ASN1Sequence seqDP = (ASN1Sequence) o;
            DistributionPoint dp = new DistributionPoint(seqDP);

            DistributionPointName dpn = dp.getDistributionPoint();
            ASN1Encodable enc = dpn.getName();

            if (enc instanceof GeneralNames) {
                GeneralNames gns = (GeneralNames) enc;

                for (GeneralName gn : gns.getNames()) {
                    l.add(gn.toString());
                }
            }
        }
    }

    if (!l.isEmpty())
        return l;
    else
        return null;
}

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