time.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:   Time.java

package jit.asn1.x509;

import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.SimpleTimeZone;
import jit.asn1.*;

public class Time
    implements DEREncodable
{

    DERObject time;

    public static Time getInstance(ASN1TaggedObject obj, boolean explicit)
    {
        return getInstance(obj.getObject());
    }

    public Time(DERObject time)
    {
        if(!(time instanceof DERUTCTime) && !(time instanceof DERGeneralizedTime))
        {
            throw new IllegalArgumentException("unknown object passed to Time");
        } else
        {
            this.time = time;
            return;
        }
    }

    public Time(Date date)
    {
        SimpleTimeZone tz = new SimpleTimeZone(0, "Z");
        SimpleDateFormat dateF = new SimpleDateFormat("yyyyMMddHHmmss");
        dateF.setTimeZone(tz);
        String d = String.valueOf(String.valueOf(dateF.format(date))).concat("Z");
        int year = Integer.parseInt(d.substring(0, 4));
        if(year < 1950 || year > 2049)
            time = new DERGeneralizedTime(d);
        else
            time = new DERUTCTime(d.substring(2));
    }

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

    public String getTime()
    {
        if(time instanceof DERUTCTime)
            return ((DERUTCTime)time).getAdjustedTime();
        else
            return ((DERGeneralizedTime)time).getTime();
    }

    public Date getDate()
    {
        SimpleDateFormat dateF = new SimpleDateFormat("yyyyMMddHHmmssz");
        return dateF.parse(getTime(), new ParsePosition(0));
    }

    public DERObject getDERObject()
    {
        return time;
    }
}