| package org.bouncycastle.asn1.x509; |
| |
| import org.bouncycastle.asn1.ASN1Choice; |
| import org.bouncycastle.asn1.ASN1Encodable; |
| import org.bouncycastle.asn1.ASN1TaggedObject; |
| import org.bouncycastle.asn1.DERGeneralizedTime; |
| import org.bouncycastle.asn1.DERObject; |
| import org.bouncycastle.asn1.DERUTCTime; |
| |
| import java.text.ParseException; |
| import java.text.SimpleDateFormat; |
| import java.util.Date; |
| import java.util.SimpleTimeZone; |
| |
| public class Time |
| extends ASN1Encodable |
| implements ASN1Choice |
| { |
| DERObject time; |
| |
| public static Time getInstance( |
| ASN1TaggedObject obj, |
| boolean explicit) |
| { |
| return getInstance(obj.getObject()); // must be explicitly tagged |
| } |
| |
| public Time( |
| DERObject time) |
| { |
| if (!(time instanceof DERUTCTime) |
| && !(time instanceof DERGeneralizedTime)) |
| { |
| throw new IllegalArgumentException("unknown object passed to Time"); |
| } |
| |
| this.time = time; |
| } |
| |
| /** |
| * creates a time object from a given date - if the date is between 1950 |
| * and 2049 a UTCTime object is generated, otherwise a GeneralizedTime |
| * is used. |
| */ |
| public Time( |
| Date date) |
| { |
| SimpleTimeZone tz = new SimpleTimeZone(0, "Z"); |
| SimpleDateFormat dateF = new SimpleDateFormat("yyyyMMddHHmmss"); |
| |
| dateF.setTimeZone(tz); |
| |
| String d = dateF.format(date) + "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; |
| } |
| else if (obj instanceof DERUTCTime) |
| { |
| return new Time((DERUTCTime)obj); |
| } |
| else if (obj instanceof DERGeneralizedTime) |
| { |
| return new Time((DERGeneralizedTime)obj); |
| } |
| |
| throw new IllegalArgumentException("unknown object in factory: " + obj.getClass().getName()); |
| } |
| |
| public String getTime() |
| { |
| if (time instanceof DERUTCTime) |
| { |
| return ((DERUTCTime)time).getAdjustedTime(); |
| } |
| else |
| { |
| return ((DERGeneralizedTime)time).getTime(); |
| } |
| } |
| |
| public Date getDate() |
| { |
| try |
| { |
| if (time instanceof DERUTCTime) |
| { |
| return ((DERUTCTime)time).getAdjustedDate(); |
| } |
| else |
| { |
| return ((DERGeneralizedTime)time).getDate(); |
| } |
| } |
| catch (ParseException e) |
| { // this should never happen |
| throw new IllegalStateException("invalid date string: " + e.getMessage()); |
| } |
| } |
| |
| /** |
| * Produce an object suitable for an ASN1OutputStream. |
| * <pre> |
| * Time ::= CHOICE { |
| * utcTime UTCTime, |
| * generalTime GeneralizedTime } |
| * </pre> |
| */ |
| public DERObject toASN1Object() |
| { |
| return time; |
| } |
| |
| public String toString() |
| { |
| return getTime(); |
| } |
| } |