org.bouncycastle.asn1.x509.PrivateKeyUsagePeriod.java Source code

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Here is the source code for org.bouncycastle.asn1.x509.PrivateKeyUsagePeriod.java

Source

package org.bouncycastle.asn1.x509;

import java.util.Enumeration;

import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1GeneralizedTime;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERTaggedObject;

/**
 * <pre>
 *    PrivateKeyUsagePeriod ::= SEQUENCE {
 *      notBefore       [0]     GeneralizedTime OPTIONAL,
 *      notAfter        [1]     GeneralizedTime OPTIONAL }
 * </pre>
 */
public class PrivateKeyUsagePeriod extends ASN1Object {
    public static PrivateKeyUsagePeriod getInstance(Object obj) {
        if (obj instanceof PrivateKeyUsagePeriod) {
            return (PrivateKeyUsagePeriod) obj;
        }

        if (obj != null) {
            return new PrivateKeyUsagePeriod(ASN1Sequence.getInstance(obj));
        }

        return null;
    }

    private ASN1GeneralizedTime _notBefore, _notAfter;

    private PrivateKeyUsagePeriod(ASN1Sequence seq) {
        Enumeration en = seq.getObjects();
        while (en.hasMoreElements()) {
            ASN1TaggedObject tObj = (ASN1TaggedObject) en.nextElement();

            if (tObj.getTagNo() == 0) {
                _notBefore = ASN1GeneralizedTime.getInstance(tObj, false);
            } else if (tObj.getTagNo() == 1) {
                _notAfter = ASN1GeneralizedTime.getInstance(tObj, false);
            }
        }
    }

    public ASN1GeneralizedTime getNotBefore() {
        return _notBefore;
    }

    public ASN1GeneralizedTime getNotAfter() {
        return _notAfter;
    }

    public ASN1Primitive toASN1Primitive() {
        ASN1EncodableVector v = new ASN1EncodableVector(2);

        if (_notBefore != null) {
            v.add(new DERTaggedObject(false, 0, _notBefore));
        }
        if (_notAfter != null) {
            v.add(new DERTaggedObject(false, 1, _notAfter));
        }

        return new DERSequence(v);
    }
}