session support

src/main/java/com/commafeed/frontend/servlet/LogoutServlet.java

@@ -0,0 +1,25 @@
+package com.commafeed.frontend.servlet;
+
+import java.io.IOException;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import lombok.RequiredArgsConstructor;
+
+import com.commafeed.CommaFeedConfiguration;
+
+@SuppressWarnings("serial")
+@RequiredArgsConstructor
+public class LogoutServlet extends HttpServlet {
+
+	private final CommaFeedConfiguration config;
+
+	@Override
+	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+		req.getSession().invalidate();
+		resp.sendRedirect(resp.encodeRedirectURL(config.getApplicationSettings().getPublicUrl()));
+	}
+}