Time.java
资源名称:security.rar [点击查看]
上传用户:lior1029
上传日期:2013-05-07
资源大小:209k
文件大小:2k
源码类别:
CA认证
开发平台:
Java
- package org.bouncycastle.asn1.x509;
- import java.util.Date;
- import java.util.SimpleTimeZone;
- import java.text.ParsePosition;
- import java.text.SimpleDateFormat;
- import org.bouncycastle.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");
- }
- 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");
- }
- 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(this.getTime(), new ParsePosition(0));
- }
- /**
- * <pre>
- * Time ::= CHOICE {
- * utcTime UTCTime,
- * generalTime GeneralizedTime }
- * </pre>
- */
- public DERObject getDERObject()
- {
- return time;
- }
- }