org.bouncycastle.asn1.crmf.OptionalValidity.java Source code

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Here is the source code for org.bouncycastle.asn1.crmf.OptionalValidity.java

Source

package org.bouncycastle.asn1.crmf;

import java.util.Enumeration;

import org.bouncycastle.asn1.ASN1EncodableVector;
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;
import org.bouncycastle.asn1.x509.Time;

public class OptionalValidity extends ASN1Object {
    private Time notBefore;
    private Time notAfter;

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

            if (tObj.getTagNo() == 0) {
                notBefore = Time.getInstance(tObj, true);
            } else {
                notAfter = Time.getInstance(tObj, true);
            }
        }
    }

    public static OptionalValidity getInstance(Object o) {
        if (o instanceof OptionalValidity) {
            return (OptionalValidity) o;
        }

        if (o != null) {
            return new OptionalValidity(ASN1Sequence.getInstance(o));
        }

        return null;
    }

    public OptionalValidity(Time notBefore, Time notAfter) {
        if (notBefore == null && notAfter == null) {
            throw new IllegalArgumentException("at least one of notBefore/notAfter must not be null.");
        }

        this.notBefore = notBefore;
        this.notAfter = notAfter;
    }

    public Time getNotBefore() {
        return notBefore;
    }

    public Time getNotAfter() {
        return notAfter;
    }

    /**
     * <pre>
     * OptionalValidity ::= SEQUENCE {
     *                        notBefore  [0] Time OPTIONAL,
     *                        notAfter   [1] Time OPTIONAL } --at least one MUST be present
     * </pre>
     * @return a basic ASN.1 object representation.
     */
    public ASN1Primitive toASN1Primitive() {
        ASN1EncodableVector v = new ASN1EncodableVector(2);

        if (notBefore != null) {
            v.add(new DERTaggedObject(true, 0, notBefore));
        }

        if (notAfter != null) {
            v.add(new DERTaggedObject(true, 1, notAfter));
        }

        return new DERSequence(v);
    }
}