refactored TimeDuration, added AgoDate, added TimeAgoFromData;

src/main/java/groovy/time/AgoDate.java

@@ -0,0 +1,14 @@
+package groovy.time;
+
+import java.util.Date;
+
+/**
+ * @author Aliaksei Bialiauski ([email protected])
+ */
+public interface AgoDate {
+
+    /**
+     * @return mapped date by specs.
+     */
+    Date toDateFormat();
+}

src/main/java/groovy/time/TimeAgoFromData.java

@@ -0,0 +1,36 @@
+package groovy.time;
+
+import java.util.Calendar;
+import java.util.Date;
+
+/**
+ * Ago Date Result
+ *
+ * @author Aliaksei Bialiauski ([email protected])
+ */
+public class TimeAgoFromData extends Date implements AgoDate {
+
+    private final Calendar calendar;
+    private final Date date;
+
+    public TimeAgoFromData(final int days, final int hours,
+                           final int minutes, final int sec, final int millis) {
+        this.calendar = Calendar.getInstance();
+        this.date = this.unbox(days, hours, minutes, sec, millis);
+    }
+
+    @Override
+    public Date toDateFormat() {
+        return this.date;
+    }
+
+    private Date unbox(final int days, final int hours, final int minutes,
+                       final int sec, final int millis) {
+        this.calendar.add(Calendar.DAY_OF_YEAR, -days);
+        this.calendar.add(Calendar.HOUR_OF_DAY, -hours);
+        this.calendar.add(Calendar.MINUTE, -minutes);
+        this.calendar.add(Calendar.SECOND, -sec);
+        this.calendar.add(Calendar.MILLISECOND, -millis);
+        return this.calendar.getTime();
+    }
+}

src/main/java/groovy/time/TimeDuration.java

@@ -16,6 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
+
 package groovy.time;
 
 import java.util.Calendar;
@@ -38,68 +39,65 @@
 public class TimeDuration extends Duration {
     public TimeDuration(final int hours, final int minutes, final int seconds, final int millis) {
         super(0, hours, minutes, seconds, millis);
-     }
+    }
 
-    public TimeDuration(final int days, final int hours, final int minutes, final int seconds, final int millis) {
+    public TimeDuration(final int days, final int hours, final int minutes, final int seconds,
+                        final int millis) {
         super(days, hours, minutes, seconds, millis);
-     }
+    }
 
     @Override
     public Duration plus(final Duration rhs) {
         return new TimeDuration(this.getDays() + rhs.getDays(), this.getHours() + rhs.getHours(),
-                                this.getMinutes() + rhs.getMinutes(), this.getSeconds() + rhs.getSeconds(),
-                                this.getMillis() + rhs.getMillis());
+            this.getMinutes() + rhs.getMinutes(), this.getSeconds() + rhs.getSeconds(),
+            this.getMillis() + rhs.getMillis());
     }
 
     @Override
     public DatumDependentDuration plus(final DatumDependentDuration rhs) {
         return new TimeDatumDependentDuration(rhs.getYears(), rhs.getMonths(),
-                                              this.getDays() + rhs.getDays(), this.getHours() + rhs.getHours(),
-                                              this.getMinutes() + rhs.getMinutes(), this.getSeconds() + rhs.getSeconds(),
-                                              this.getMillis() + rhs.getMillis());
+            this.getDays() + rhs.getDays(), this.getHours() + rhs.getHours(),
+            this.getMinutes() + rhs.getMinutes(), this.getSeconds() + rhs.getSeconds(),
+            this.getMillis() + rhs.getMillis());
     }
 
     @Override
     public Duration minus(final Duration rhs) {
         return new TimeDuration(this.getDays() - rhs.getDays(), this.getHours() - rhs.getHours(),
-                                this.getMinutes() - rhs.getMinutes(), this.getSeconds() - rhs.getSeconds(),
-                                this.getMillis() - rhs.getMillis());
+            this.getMinutes() - rhs.getMinutes(), this.getSeconds() - rhs.getSeconds(),
+            this.getMillis() - rhs.getMillis());
     }
 
     @Override
     public DatumDependentDuration minus(final DatumDependentDuration rhs) {
         return new TimeDatumDependentDuration(-rhs.getYears(), -rhs.getMonths(),
-                                              this.getDays() - rhs.getDays(), this.getHours() - rhs.getHours(),
-                                              this.getMinutes() - rhs.getMinutes(), this.getSeconds() - rhs.getSeconds(),
-                                              this.getMillis() - rhs.getMillis());
+            this.getDays() - rhs.getDays(), this.getHours() - rhs.getHours(),
+            this.getMinutes() - rhs.getMinutes(), this.getSeconds() - rhs.getSeconds(),
+            this.getMillis() - rhs.getMillis());
     }
 
     @Override
     public Date getAgo() {
-        final Calendar cal = Calendar.getInstance();
-
-        cal.add(Calendar.DAY_OF_YEAR, -this.getDays());
-        cal.add(Calendar.HOUR_OF_DAY, -this.getHours());
-        cal.add(Calendar.MINUTE, -this.getMinutes());
-        cal.add(Calendar.SECOND, -this.getSeconds());
-        cal.add(Calendar.MILLISECOND, -this.getMillis());
-
-        return cal.getTime();
-    }        
+        return new TimeAgoFromData(
+            this.days,
+            this.hours,
+            this.minutes,
+            this.seconds,
+            this.millis)
+            .toDateFormat();
+    }
 
     @Override
     public From getFrom() {
         return new From() {
             @Override
             public Date getNow() {
                 final Calendar cal = Calendar.getInstance();
-
                 cal.add(Calendar.DAY_OF_YEAR, TimeDuration.this.getDays());
                 cal.add(Calendar.HOUR_OF_DAY, TimeDuration.this.getHours());
                 cal.add(Calendar.MINUTE, TimeDuration.this.getMinutes());
                 cal.add(Calendar.SECOND, TimeDuration.this.getSeconds());
                 cal.add(Calendar.MILLISECOND, TimeDuration.this.getMillis());
-
                 return cal.getTime();
             }
         };