Then on the server side for the LoginService
public LoginResponse login(String username, String password) {
LoginPService loginService = ServiceLocator.getLoginService();
PersonDTO personDTO = null;
try {
personDTO = loginService.getUserByUsername(username);
if (personDTO == null){
//.getInstance().info("Utilizador n√£o encontrado: "+username);
return new LoginResponse(false, false);
} else if (!loginService.checkPassword(password)){
//UCCLogger.getInstance().info("Password errada do utilizador:
"+username);
return new LoginResponse(false, false);
}
} catch (Throwable e) {
return new LoginResponse(false, false);
}
LoginResponse response = new LoginResponse();
response.setLoginSuccess(true);
PadroesSession padroesSession = PadroesSession.getInstance();
padroesSession.setRequest(getThreadLocalRequest());
padroesSession.setUser(personDTO);
return response;
}
On Thu, Jun 3, 2010 at 9:33 PM, Bruno Lopes
<bruno.lourenco.lo...@gmail.com>wrote:
> YES
> on the server side I have something like this:
>
> public class PadroesSession implements Serializable{
>
> private static PadroesSession padroesSession=null;
>
> public static PadroesSession getInstance(){
> if(padroesSession == null){
> padroesSession = new PadroesSession();
> return padroesSession;
> } else {
> return padroesSession;
> }
> }
>
> private PadroesSession(){
>
> }
>
> private static final String USER_SESSION = "userSession";
> private HttpServletRequest request = null;
> private HttpSession session = null;
>
>
> public PersonDTO getUser(){
>
> if(null == session) return null;
>
> return session.getAttribute(USER_SESSION) != null ?
> (PersonDTO)session.getAttribute(USER_SESSION) : null;
>
> }
>
> public HttpSession getSession(){
> return session;
> }
>
> public void invalidate(){
> if(request!=null)
> if(request.getSession(false)!= null)
> request.getSession(false).invalidate();
> if(null != session){
> session.invalidate();
> session = null;
> }
>
>
> }
>
> public void setUser(PersonDTO user){
> if(null == user){
> if(session!=null) session.removeAttribute(USER_SESSION);
> return;
> }
>
> if(null != request)
> this.session = request.getSession(true);
>
> if(session!=null) session.setAttribute(USER_SESSION, user);
> }
>
> public String getId(){
> return request.getSession(false).getId();
> }
>
> public HttpServletRequest getRequest() {
> return request;
> }
>
> public void setRequest(HttpServletRequest request) {
> this.request = request;
>
> }
>
> }
>
>
> On Thu, Jun 3, 2010 at 2:45 PM, Magnus <alpineblas...@googlemail.com>wrote:
>
>> Hi,
>>
>> thank you for the code! I adopted it to my application.
>>
>> So you authenticate the user via the remote service! But how do you
>> actually store the user context the app is running in? Do you do some
>> session management?
>>
>> Thanks
>> Magnus
>>
>>
>> On Jun 2, 7:15 pm, Bruno Lopes <bruno.lourenco.lo...@gmail.com> wrote:
>> > Hi Alpine Bluster,
>> >
>> > look at this code:
>> >
>> > public void onModuleLoad() {
>> >
>> > this.setLoginPanel();
>> >
>> > loginButton = new Button("Login");
>> >
>> > loginButton.addListener(new ButtonListenerAdapter() {
>> >
>> > public void onClick(Button button, EventObject e) {
>> >
>> > userAuthentication();
>> >
>> > }
>> > });
>> >
>> > formPanel.addButton(loginButton);
>> >
>> > formPanel.setBorder(false);
>> >
>> > loginPanel.add(formPanel);
>> >
>> > Element appPanelEl = loginPanel.getElement();
>> >
>> > @SuppressWarnings("unused")
>> >
>> > KeyMap map = new KeyMap(appPanelEl, new KeyMapConfig() {
>> >
>> > {
>> >
>> > setKey(EventObject.ENTER);
>> >
>> > setKeyListener(new KeyListener() {
>> >
>> > public void onKey(int key, EventObject e) {
>> >
>> > loginButton.focus();
>> >
>> > }
>> > });
>> > }
>> > });
>> >
>> > RootPanel.get("login_widget").add(loginPanel);
>> >
>> > }
>> >
>> > private void userAuthentication() {
>> >
>> > if (this.userNameField.getValueAsString().equals(""))
>> >
>> > Window.alert("username must not be empty.");
>> >
>> > else {
>> >
>> > loginService = GWT.create(LoginService.class);
>> >
>> > String username = this.userNameField.getValueAsString();
>> >
>> > String password = this.passwordField.getValueAsString();
>> >
>> > this.loginService.login(username, password,
>> >
>> > new AsyncCallback<LoginResponse>() {
>> >
>> > public void onFailure(Throwable caught) {
>> >
>> > Window.alert("server side failure: " + caught);
>> >
>> > }
>> >
>> > public void onSuccess(LoginResponse result) {
>> >
>> > if (result.isLoginSuccess()){
>> >
>> > Window.Location.replace("./../Main.html");
>> >
>> > }
>> >
>> > else Window.alert("username or password invalid.");
>> >
>> > }
>> > });
>> > }
>> > }
>> >
>> > ...
>> >
>> > FOR LOGOUT
>> > ....
>> >
>> > private Panel northPanel = new Panel();
>> >
>> > ....
>> >
>> > Toolbar toolbar = new Toolbar();
>> >
>> > ToolbarButton logoutButton = new ToolbarButton("Sign Out");
>> >
>> > logoutButton.addListener( new ButtonListenerAdapter() {
>> >
>> > public void onClick( Button button, EventObject e ) {
>> >
>> > LoginServiceAsync service = GWT.create(LoginService.class);
>> >
>> > service.logout(new AsyncCallback<Void>() {
>> >
>> > @Override
>> >
>> > public void onFailure(Throwable caught) {
>> >
>> > caught.printStackTrace();
>> >
>> > }
>> >
>> > @Override
>> >
>> > public void onSuccess(Void result) {
>> >
>> > Window.Location.replace("./../Login.html");
>> >
>> > }
>> > });
>> > }
>> > });
>> >
>> > tabPanel = new TabPanel();
>> >
>> > toolbar.addFill();
>> >
>> > toolbar.addText("welcome," + someUser..);
>> >
>> > toolbar.addSeparator();
>> >
>> > toolbar.addButton(logoutButton);
>> >
>> > tabPanel.setWidth(NORMALIZE_SPACING);
>> >
>> > tabPanel.setTopToolbar(toolbar);
>> >
>> > northPanel.add(tabPanel);
>> >
>> > On Wed, Jun 2, 2010 at 5:25 PM, Magnus <alpineblas...@googlemail.com>
>> wrote:
>> > > Hi,
>> >
>> > > I cannot find a minimalistic example that shows how to realize a
>> login/
>> > > logout functionality.
>> > > Could please someone point me to such an example?
>> >
>> > > I also wonder where to put the different things. For example, the code
>> > > that immediately reacts on the "login" button could be placed within
>> > > the "client" folder of a GWT project, or it could be realized as a
>> > > servlet.
>> >
>> > > When do I use a servlet and how?
>> >
>> > > Thank you!
>> > > Magnus
>> >
>> > > --
>> > > You received this message because you are subscribed to the Google
>> Groups
>> > > "Google Web Toolkit" group.
>> > > To post to this group, send email to
>> google-web-tool...@googlegroups.com.
>> > > To unsubscribe from this group, send email to
>> > > google-web-toolkit+unsubscr...@googlegroups.com<google-web-toolkit%2bunsubscr...@googlegroups.com>
>> <google-web-toolkit%2bunsubscr...@googlegroups.com<google-web-toolkit%252bunsubscr...@googlegroups.com>
>> >
>> > > .
>> > > For more options, visit this group at
>> > >http://groups.google.com/group/google-web-toolkit?hl=en.
>>
>> --
>> You received this message because you are subscribed to the Google Groups
>> "Google Web Toolkit" group.
>> To post to this group, send email to google-web-tool...@googlegroups.com.
>> To unsubscribe from this group, send email to
>> google-web-toolkit+unsubscr...@googlegroups.com<google-web-toolkit%2bunsubscr...@googlegroups.com>
>> .
>> For more options, visit this group at
>> http://groups.google.com/group/google-web-toolkit?hl=en.
>>
>>
>
--
You received this message because you are subscribed to the Google Groups
"Google Web Toolkit" group.
To post to this group, send email to google-web-tool...@googlegroups.com.
To unsubscribe from this group, send email to
google-web-toolkit+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/google-web-toolkit?hl=en.
