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Time.java
Package: security.rar　[view]
Upload User: lior1029
Upload Date: 2013-05-07
Package Size: 209k
Code Size: 2k
Category:

CA program

Development Platform:

Java

Time.java：Code Content
  1. package org.bouncycastle.asn1.cms;
  3. import java.util.Date;
  4. import java.util.SimpleTimeZone;
  5. import java.text.ParsePosition;
  6. import java.text.SimpleDateFormat;
  8. import org.bouncycastle.asn1.*;
  10. public class Time
  11.     implements DEREncodable
  12. {
  13.     DERObject   time;
  15.     public static Time getInstance(
  16.         ASN1TaggedObject obj,
  17.         boolean          explicit)
  18.     {
  19.         return getInstance(obj.getObject());
  20.     }
  22.     public Time(
  23.         DERObject   time)
  24.     {
  25.         if (!(time instanceof DERUTCTime)
  26.             && !(time instanceof DERGeneralizedTime))
  27.         {
  28.             throw new IllegalArgumentException("unknown object passed to Time");
  29.         }
  31.         this.time = time; 
  32.     }
  34.     /**
  35.      * creates a time object from a given date - if the date is between 1950
  36.      * and 2049 a UTCTime object is generated, otherwise a GeneralizedTime
  37.      * is used.
  38.      */
  39.     public Time(
  40.         Date    date)
  41.     {
  42.         SimpleTimeZone      tz = new SimpleTimeZone(0, "Z");
  43.         SimpleDateFormat    dateF = new SimpleDateFormat("yyyyMMddHHmmss");
  45.         dateF.setTimeZone(tz);
  47.         String  d = dateF.format(date) + "Z";
  48.         int     year = Integer.parseInt(d.substring(0, 4));
  50.         if (year < 1950 || year > 2049)
  51.         {
  52.             time = new DERGeneralizedTime(d);
  53.         }
  54.         else
  55.         {
  56.             time = new DERUTCTime(d.substring(2));
  57.         }
  58.     }
  60.     public static Time getInstance(
  61.         Object  obj)
  62.     {
  63.         if (obj instanceof Time)
  64.         {
  65.             return (Time)obj;
  66.         }
  67.         else if (obj instanceof DERUTCTime)
  68.         {
  69.             return new Time((DERUTCTime)obj);
  70.         }
  71.         else if (obj instanceof DERGeneralizedTime)
  72.         {
  73.             return new Time((DERGeneralizedTime)obj);
  74.         }
  76.         throw new IllegalArgumentException("unknown object in factory");
  77.     }
  79.     public String getTime()
  80.     {
  81.         if (time instanceof DERUTCTime)
  82.         {
  83.             return ((DERUTCTime)time).getAdjustedTime();
  84.         }
  85.         else
  86.         {
  87.             return ((DERGeneralizedTime)time).getTime();
  88.         }
  89.     }
  91.     public Date getDate()
  92.     {
  93.         SimpleDateFormat dateF = new SimpleDateFormat("yyyyMMddHHmmssz");
  95.         return dateF.parse(this.getTime(), new ParsePosition(0));
  96.     }
  98.     /**
  99.      * <pre>
  100.      * Time ::= CHOICE {
  101.      *             utcTime        UTCTime,
  102.      *             generalTime    GeneralizedTime }
  103.      * </pre>
  104.      */
  105.     public DERObject getDERObject()
  106.     {
  107.         return time;
  108.     }
  109. }