added missing leaderboard search result JSON serializer

java/com.sap.sailing.server.gateway.serialization/src/com/sap/sailing/server/gateway/serialization/impl/LeaderboardSearchResultJsonSerializer.java

@@ -0,0 +1,25 @@
+package com.sap.sailing.server.gateway.serialization.impl;
+
+import org.json.simple.JSONObject;
+
+import com.sap.sailing.domain.base.LeaderboardSearchResult;
+import com.sap.sailing.server.gateway.serialization.JsonSerializer;
+
+public class LeaderboardSearchResultJsonSerializer implements JsonSerializer<LeaderboardSearchResult> {
+    public static final String FIELD_SERVER_BASE_URL = "serverBaseURL";
+    public static final String FIELD_EVENT = "event";
+    public static final String FIELD_LEADERBOARD = "leaderboard";
+    
+    private final EventBaseJsonSerializer eventBaseJsonSerializer;
+
+    public LeaderboardSearchResultJsonSerializer(EventBaseJsonSerializer eventBaseJsonSerializer) {
+        this.eventBaseJsonSerializer = eventBaseJsonSerializer;
+    }
+
+    @Override
+    public JSONObject serialize(LeaderboardSearchResult leaderboardSearchResult) {
+        JSONObject result = new JSONObject();
+        result.put(FIELD_EVENT, eventBaseJsonSerializer.serialize(leaderboardSearchResult.getEvent()));
+        return null;
+    }
+}