Add time units strings and utilities

timeago-parser/raw/java/Utils.java

@@ -0,0 +1,29 @@
+import java.util.*;
+
+public class Utils {
+
+    static Comparator<String> compareByNumber() {
+        return new Comparator<String>() {
+            @Override
+            public int compare(String o1, String o2) {
+                return extractInt(o1) - extractInt(o2);
+            }
+
+            private int extractInt(String s) {
+                String num = s.replaceAll("\\D", "");
+                return num.isEmpty() ? 0 : Integer.parseInt(num);
+            }
+        };
+    }
+
+    static Comparator<Object> compareByUnitName() {
+        return new Comparator<Object>() {
+            private final List<String> ORDER = Arrays.asList("seconds", "minutes", "hours", "days", "weeks", "months", "years");
+
+            @Override
+            public int compare(Object o1, Object o2) {
+                return Integer.compare(ORDER.indexOf(o1.toString()), ORDER.indexOf(o2.toString()));
+            }
+        };
+    }
+}