privatekeyusageperiod.java

进行与数字证书相关开发必须的java源码

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi 
// Source File Name:   PrivateKeyUsagePeriod.java

package jit.asn1.x509;

import jit.asn1.*;

public class PrivateKeyUsagePeriod
    implements DEREncodable
{

    private ASN1Sequence seq;
    private DERGeneralizedTime notBefore;
    private DERGeneralizedTime notAfter;

    public PrivateKeyUsagePeriod(ASN1Sequence seq)
    {
        this.seq = seq;
        for(int i = 0; i < seq.size(); i++)
        {
            ASN1TaggedObject obj = (ASN1TaggedObject)seq.getObjectAt(i);
            switch(obj.getTagNo())
            {
            case 0: // '\0'
                notBefore = DERGeneralizedTime.getInstance(obj, true);
                break;

            case 1: // '\001'
                notAfter = DERGeneralizedTime.getInstance(obj, true);
                break;

            default:
                throw new IllegalArgumentException("illegal tag");
            }
        }

    }

    public PrivateKeyUsagePeriod(DERGeneralizedTime notBefore, DERGeneralizedTime notAfter)
    {
        this.notBefore = notBefore;
        this.notAfter = notAfter;
    }

    public static PrivateKeyUsagePeriod getInstance(ASN1TaggedObject obj, boolean explicit)
    {
        return getInstance(ASN1Sequence.getInstance(obj, explicit));
    }

    public static PrivateKeyUsagePeriod getInstance(Object obj)
    {
        if(obj instanceof PrivateKeyUsagePeriod)
            return (PrivateKeyUsagePeriod)obj;
        if(obj instanceof ASN1Sequence)
            return new PrivateKeyUsagePeriod((ASN1Sequence)obj);
        else
            throw new IllegalArgumentException("unknown object in factory");
    }

    public DERGeneralizedTime getNotBefore()
    {
        return notBefore;
    }

    public DERGeneralizedTime getNotAfter()
    {
        return notAfter;
    }

    public DERObject getDERObject()
    {
        ASN1EncodableVector v = new ASN1EncodableVector();
        if(notBefore != null)
            v.add(new DERTaggedObject(0, notBefore));
        if(notAfter != null)
            v.add(new DERTaggedObject(1, notAfter));
        return new DERSequence(v);
    }
}