[FIXED HUDSON-2623] Removed JDK6 dependency

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@13244 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/model/Executor.java

 package hudson.model;
 
 import hudson.Util;
+import hudson.util.TimeUnit2;
 import hudson.security.ACL;
 import org.kohsuke.stapler.StaplerRequest;
 import org.kohsuke.stapler.StaplerResponse;
@@ -204,7 +205,7 @@ public class Executor extends Thread implements ModelObject {
             return d*10 < elapsed;
         } else {
             // if no ETA is available, a build taking longer than a day is considered stuck
-            return TimeUnit.MILLISECONDS.toHours(elapsed)>24;
+            return TimeUnit2.MILLISECONDS.toHours(elapsed)>24;
         }
     }
 

core/src/main/java/hudson/model/Queue.java

@@ -8,6 +8,7 @@ import hudson.triggers.SafeTimerTask;
 import hudson.triggers.Trigger;
 import hudson.util.OneShotEvent;
 import hudson.util.XStream2;
+import hudson.util.TimeUnit2;
 
 import java.io.BufferedReader;
 import java.io.File;
@@ -923,7 +924,7 @@ public class Queue extends ResourceController implements Saveable {
                 return elapsed > d*2;
             } else {
                 // more than a day in the queue
-                return TimeUnit.MILLISECONDS.toHours(elapsed)>24;
+                return TimeUnit2.MILLISECONDS.toHours(elapsed)>24;
             }
         }
     }