certificatepair.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:   CertificatePair.java

package jit.asn1.spkm;

import java.util.Enumeration;
import jit.asn1.*;
import jit.asn1.x509.X509CertificateStructure;

public class CertificatePair
    implements DEREncodable
{

    private X509CertificateStructure forward;
    private X509CertificateStructure reverse;

    public CertificatePair(X509CertificateStructure forward, X509CertificateStructure reverse)
    {
        this.forward = null;
        this.reverse = null;
        this.forward = forward;
        this.reverse = reverse;
    }

    public CertificatePair(ASN1Sequence seq)
    {
        forward = null;
        reverse = null;
        Enumeration e = seq.getObjects();
        do
        {
            if(!e.hasMoreElements())
                break;
            ASN1TaggedObject obj = (ASN1TaggedObject)e.nextElement();
            int tag = obj.getTagNo();
            switch(tag)
            {
            case 0: // '\0'
                forward = X509CertificateStructure.getInstance(obj, true);
                break;

            case 1: // '\001'
                reverse = X509CertificateStructure.getInstance(obj, true);
                break;

            default:
                throw new IllegalArgumentException("unknown tag in CertificatePair");
            }
        } while(true);
    }

    public X509CertificateStructure getForward()
    {
        return forward;
    }

    public X509CertificateStructure getReverse()
    {
        return reverse;
    }

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

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

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