As a System I want to save login and password in cookies

pom.xml

@@ -77,6 +77,12 @@
             <artifactId>guava</artifactId>
             <version>11.0</version>
         </dependency>
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>servlet-api</artifactId>
+            <version>2.5</version>
+            <scope>provided</scope>
+        </dependency>
 
 
     </dependencies>

src/main/java/pl/tomaszdziurko/wicket/WicketApplication.java

@@ -4,13 +4,15 @@
 import org.apache.wicket.protocol.http.WebApplication;
 import org.apache.wicket.request.Request;
 import org.apache.wicket.request.Response;
+import pl.tomaszdziurko.wicket.service.CookieService;
 import pl.tomaszdziurko.wicket.service.UserService;
 import pl.tomaszdziurko.wicket.view.HomePage;
 import pl.tomaszdziurko.wicket.view.LoginPage;
 
 public class WicketApplication extends WebApplication {
 
     private UserService userService = new UserService();
+    private CookieService cookieService = new CookieService();
 
     @Override
     public Class<HomePage> getHomePage() {
@@ -39,5 +41,9 @@ public UserService getUserService() {
         return userService;
     }
 
+    public CookieService getCookieService() {
+        return cookieService;
+    }
+
 
 }

src/main/java/pl/tomaszdziurko/wicket/service/CookieService.java

@@ -0,0 +1,44 @@
+package pl.tomaszdziurko.wicket.service;
+
+import org.apache.wicket.request.Request;
+import org.apache.wicket.request.Response;
+import org.apache.wicket.request.http.WebRequest;
+import org.apache.wicket.request.http.WebResponse;
+
+import javax.servlet.http.Cookie;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+public class CookieService {
+
+    public Cookie loadCookie(Request request, String cookieName) {
+
+        List<Cookie> cookies = ((WebRequest) request).getCookies();
+
+        if (cookies == null) {
+            return null;
+        }
+
+        for (Cookie cookie : cookies) {
+            if(cookie.getName().equals(cookieName)) {
+                return cookie;
+            }
+        }
+
+        return null;
+    }
+
+    public void saveCookie(Response response, String cookieName, String cookieValue, int expiryTimeInDays) {
+        Cookie cookie = new Cookie(cookieName, cookieValue);
+        cookie.setMaxAge((int) TimeUnit.DAYS.toSeconds(expiryTimeInDays));
+        ((WebResponse)response).addCookie(cookie);
+    }
+
+    public void removeCookieIfPresent(Request request, Response response, String cookieName) {
+        Cookie cookie = loadCookie(request, cookieName);
+
+        if(cookie != null) {
+            ((WebResponse)response).clearCookie(cookie);
+        }
+    }
+}

src/main/java/pl/tomaszdziurko/wicket/view/LoginPage.java

@@ -10,10 +10,15 @@
 import pl.tomaszdziurko.wicket.UserSession;
 import pl.tomaszdziurko.wicket.WicketApplication;
 import pl.tomaszdziurko.wicket.model.User;
+import pl.tomaszdziurko.wicket.service.CookieService;
 import pl.tomaszdziurko.wicket.service.UserService;
 
 public class LoginPage extends BasePage {
 
+    public static final int REMEMBER_ME_DURATION_IN_DAYS = 30;
+    private static final String REMEMBER_ME_LOGIN_COOKIE = "loginCookie";
+    private static final String REMEMBER_ME_PASSWORD_COOKIE = "passwordCookie";
+
     private String login;
     private String password;
     private boolean rememberMe;
@@ -40,6 +45,13 @@ public void onSubmit() {
                 }
                 else {
                     UserSession.get().setUser(user);
+
+                    if(rememberMe) {
+                        CookieService cookieService = WicketApplication.get().getCookieService();
+                        cookieService.saveCookie(getResponse(), REMEMBER_ME_LOGIN_COOKIE, user.getLogin(), REMEMBER_ME_DURATION_IN_DAYS);
+                        cookieService.saveCookie(getResponse(), REMEMBER_ME_PASSWORD_COOKIE, user.getPassword(), REMEMBER_ME_DURATION_IN_DAYS);
+                    }
+
                     setResponsePage(HomePage.class);
                 }
             }