solved s3 ex3

03/src/main/java/ch/zhaw/ads/Competitor.java

@@ -2,8 +2,11 @@ package ch.zhaw.ads;
 
 import java.util.*;
 import java.text.*;
+import java.lang.Comparable;
+import java.lang.Integer;
+import java.lang.Long;
 
-public class Competitor {
+public class Competitor implements Comparable<Competitor> {
     private String name;
     private String country;
     private long time;
@@ -55,4 +58,17 @@ public class Competitor {
         return sb.toString();
     }
 
+    @Override
+    public int compareTo(Competitor other) {
+        if (this.equals(other)) {
+            return 0;
+        }
+        return new Long(this.getTime()).compareTo(new Long(other.getTime()));
+    }
+
+    public boolean equals(Competitor other) {
+        return this.getName().equals(other.getName())
+            && new Integer(this.getJg()).equals(new Integer(other.getJg()))
+            && new Long(this.getTime()).equals(new Long(other.getTime()));
+	}
 }

03/src/main/java/ch/zhaw/ads/RankingServer.java

@@ -4,6 +4,7 @@ import java.util.ArrayList;
 import java.util.List;
 import java.text.ParseException;
 import java.lang.ArrayIndexOutOfBoundsException;
+import java.util.Collections;
 
 public class RankingServer implements CommandExecutor {
     List<Competitor> competitors;
@@ -17,6 +18,15 @@ public class RankingServer implements CommandExecutor {
         for (Competitor competitor : competitors) {
             result.append(competitor.toString() + "\n");
         }
+
+        Collections.sort(competitors);
+        result.append("\n\nSorted Competitors (by time):\n");
+        // set the  ranks and append to output
+        for (int i = 0; i < competitors.size(); i++) {
+            Competitor competitor = competitors.get(i);
+            competitor.setRank(i + 1);
+            result.append(competitor.toString() + "\n");
+        }
         return result.toString();
     }