seqnum.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:   SeqNum.java

package jit.asn1.spkm;

import jit.asn1.*;

public class SeqNum
    implements DEREncodable
{

    private DERInteger num;
    private DERBoolean dirIndicator;

    public SeqNum(DERInteger num, DERBoolean dirIndicator)
    {
        this.num = null;
        this.dirIndicator = null;
        this.num = num;
        this.dirIndicator = dirIndicator;
    }

    public SeqNum(ASN1Sequence seq)
    {
        num = null;
        dirIndicator = null;
        if(seq.size() != 2)
        {
            throw new IllegalArgumentException("construct SeqNum error: wrong size of sequence ");
        } else
        {
            num = DERInteger.getInstance(seq.getObjectAt(0));
            dirIndicator = DERBoolean.getInstance(seq.getObjectAt(1));
            return;
        }
    }

    public DERInteger getNum()
    {
        return num;
    }

    public DERBoolean getDirIndicator()
    {
        return dirIndicator;
    }

    public static SeqNum getInstance(Object obj)
    {
        if(obj instanceof SeqNum)
            return (SeqNum)obj;
        if(obj instanceof ASN1Sequence)
            return new SeqNum((ASN1Sequence)obj);
        else
            throw new IllegalArgumentException("unknown object in getInstance".concat(String.valueOf(String.valueOf(obj.getClass().getName()))));
    }

    public static SeqNum getInstance(ASN1TaggedObject tagObj, boolean explicit)
    {
        return getInstance(ASN1Sequence.getInstance(tagObj, explicit));
    }

    public DERObject getDERObject()
    {
        ASN1EncodableVector v = new ASN1EncodableVector();
        v.add(num);
        v.add(dirIndicator);
        return new DERSequence(v);
    }
}