AbstractPgpKeyPairTest: Add parseUTCTimestamp() method

Author: vanitasvitae

pg/src/test/java/org/bouncycastle/openpgp/test/AbstractPgpKeyPairTest.java

@@ -10,12 +10,30 @@
 import org.bouncycastle.openpgp.operator.jcajce.JcaPGPKeyPair;
 
 import java.security.KeyPair;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
 import java.util.Date;
+import java.util.TimeZone;
 
 public abstract class AbstractPgpKeyPairTest
         extends AbstractPacketTest
 {
 
+    public static Date parseUTCTimestamp(String timestamp)
+    {
+        // Not thread safe, so we use a local variable
+        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss z");
+        dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
+        try
+        {
+            return dateFormat.parse(timestamp);
+        }
+        catch (ParseException e)
+        {
+            throw new RuntimeException(e);
+        }
+    }
+
     public Date currentTimeRounded()
     {
         Date now = new Date();