Refactoring the code of voter-registry according to Arbel Peled CR

voter-registry/src/main/java/meerkat/BooleanHandler.java

@@ -0,0 +1,24 @@
+package meerkat;
+
+import meerkat.bulletinboard.BulletinBoardClient;
+
+/**
+ * Created by Vladimir Eliezer Tokarev  on 2/19/2016.
+ * Handles the the after post situation of a BulletinBoardClient
+ */
+public class BooleanHandler implements BulletinBoardClient.ClientCallback {
+    public VoterRegistry.RegistryCallBack callback;
+    public BooleanHandler(VoterRegistry.RegistryCallBack callback) {
+        this.callback = callback;
+    }
+
+    @Override
+    public void handleCallback(Object msg) {
+        callback.HandleResult(msg);
+    }
+
+    @Override
+    public void handleFailure(Throwable t) {
+        callback.HandleResult(false);
+    }
+}

voter-registry/src/main/java/meerkat/RelevantDataCallBack.java

@@ -0,0 +1,51 @@
+package meerkat;
+
+import meerkat.bulletinboard.BulletinBoardClient;
+import meerkat.protobuf.BulletinBoardAPI;
+import util.RegistryTags;
+
+import java.text.ParseException;
+import java.util.List;
+import java.util.Map;
+
+import static util.CollectionMessagesUtils.*;
+
+/**
+ * Created by Vladimir Eliezer Tokarev  on 2/19/2016.
+ * Object that handles the GetGroups or the GetPersonIDDetails of the simpleRegistry
+ */
+public class RelevantDataCallBack implements BulletinBoardClient.ClientCallback<List<BulletinBoardAPI.BulletinBoardMessage>> {
+    public VoterRegistry.RegistryCallBack callback;
+
+    public RelevantDataCallBack(VoterRegistry.RegistryCallBack callback) {
+        this.callback = callback;
+    }
+
+    private boolean isAddToGroupsList(List<BulletinBoardAPI.BulletinBoardMessage> msg) {
+        return msg.get(0).getMsg().getTagList().get(0).contains(RegistryTags.GROUP_ID_TAG.toString());
+    }
+
+    @Override
+    public void handleCallback(List<BulletinBoardAPI.BulletinBoardMessage> msg) {
+        List<VoterRegistryMessage> messages = ConvertToVoterRegistryMessages(msg);
+
+        if(isAddToGroupsList(msg)){
+            try {
+                Map<String, VoterRegistryMessage> map = GetLatestGroupsActions(messages);
+                callback.HandleResult(GetListOfGroupIds(map));
+            } catch (ParseException e) {
+                callback.HandleResult(null);
+            }
+        }
+        try {
+            callback.HandleResult(GetLatestMessage(messages));
+        } catch (ParseException e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void handleFailure(Throwable t) {
+        callback.HandleResult(null);
+    }
+}