added mailing class

src/main/java/com/commafeed/backend/services/ApplicationSettingsService.java

@@ -0,0 +1,24 @@
+package com.commafeed.backend.services;
+
+import javax.ejb.Stateless;
+import javax.inject.Inject;
+
+import com.commafeed.backend.dao.ApplicationSettingsDAO;
+import com.commafeed.backend.model.ApplicationSettings;
+import com.google.common.collect.Iterables;
+
+@Stateless
+public class ApplicationSettingsService {
+
+	@Inject
+	ApplicationSettingsDAO applicationSettingsDAO;
+
+	public void save(ApplicationSettings settings) {
+		applicationSettingsDAO.saveOrUpdate(settings);
+	}
+
+	public ApplicationSettings get() {
+		return Iterables.getFirst(applicationSettingsDAO.findAll(), null);
+	}
+
+}