1 files changed, 122 insertions, 0 deletions
diff --git a/core/src/main/j2me/org/spongycastle/asn1/x509/Time.java b/core/src/main/j2me/org/spongycastle/asn1/x509/Time.java
new file mode 100644
index 00000000..f388be8d
--- /dev/null
+++ b/core/src/main/j2me/org/spongycastle/asn1/x509/Time.java
@@ -0,0 +1,122 @@
+package org.spongycastle.asn1.x509;
+
+import java.util.Calendar;
+import java.util.Date;
+
+import org.spongycastle.asn1.ASN1Choice;
+import org.spongycastle.asn1.ASN1Object;
+import org.spongycastle.asn1.ASN1Primitive;
+import org.spongycastle.asn1.ASN1TaggedObject;
+import org.spongycastle.asn1.ASN1GeneralizedTime;
+import org.spongycastle.asn1.ASN1UTCTime;
+
+public class Time
+    extends ASN1Object
+    implements ASN1Choice
+{
+    ASN1Primitive time;
+
+    public static Time getInstance(
+        ASN1TaggedObject obj,
+        boolean          explicit)
+    {
+        return getInstance(obj.getObject()); // must be explicitly tagged
+    }
+
+    public Time(
+        ASN1Primitive   time)
+    {
+        if (!(time instanceof ASN1UTCTime)
+            && !(time instanceof ASN1GeneralizedTime))
+        {
+            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)
+    {
+        Calendar calendar = Calendar.getInstance();
+
+        calendar.setTime(date);
+
+        int     year = calendar.get(Calendar.YEAR);
+
+        if (year < 1950 || year > 2049)
+        {
+            time = new ASN1GeneralizedTime(date);
+        }
+        else
+        {
+            time = new ASN1UTCTime(date);
+        }
+    }
+
+    public static Time getInstance(
+        Object  obj)
+    {
+        if (obj == null || obj instanceof Time)
+        {
+            return (Time)obj;
+        }
+        else if (obj instanceof ASN1UTCTime)
+        {
+            return new Time((ASN1UTCTime)obj);
+        }
+        else if (obj instanceof ASN1GeneralizedTime)
+        {
+            return new Time((ASN1GeneralizedTime)obj);
+        }
+
+        throw new IllegalArgumentException("unknown object in factory: " + obj.getClass().getName());
+    }
+
+    public String getTime()
+    {
+        if (time instanceof ASN1UTCTime)
+        {
+            return ((ASN1UTCTime)time).getAdjustedTime();
+        }
+        else
+        {
+            return ((ASN1GeneralizedTime)time).getTime();
+        }
+    }
+
+    public Date getDate()
+    {
+        if (time instanceof ASN1UTCTime)
+        {
+            return ((ASN1UTCTime)time).getAdjustedDate();
+        }
+        else
+        {
+            return ((ASN1GeneralizedTime)time).getDate();
+        }
+    }
+
+    /**
+     * Produce an object suitable for an ASN1OutputStream.
+     * <pre>
+     * Time ::= CHOICE {
+     *             utcTime        UTCTime,
+     *             generalTime    GeneralizedTime }
+     * </pre>
+     */
+    public ASN1Primitive toASN1Primitive()
+    {
+        return time;
+    }
+
+    public String toString()
+    {
+        return getTime();
+    }
+}