Example usage for com.vaadin.server VaadinResponse setStatus

List of usage examples for com.vaadin.server VaadinResponse setStatus

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Introduction

In this page you can find the example usage for com.vaadin.server VaadinResponse setStatus.

Prototype

public void setStatus(int statusCode);

Source Link

Document

Sets the (http) status code for the response.

Usage

From source file:annis.gui.requesthandler.LoginServletRequestHandler.java

License:Apache License

private void doGet(VaadinSession session, VaadinRequest request, VaadinResponse response) {
    response.setContentType("text/html");
    OutputStream out = null;/*w w w.  j  a v a  2 s  . co  m*/
    try {
        out = response.getOutputStream();

        String htmlSource = Resources.toString(LoginServletRequestHandler.class.getResource("login.html"),
                Charsets.UTF_8);

        htmlSource = htmlSource.replaceAll("%usercaption%", "Username")
                .replaceAll("%passwordcaption%", "Password").replaceAll("%title%", "ANNIS Login")
                .replaceAll("%logincaption%", "Login").replaceAll("%or%", "or")
                .replaceAll("%cancelcaption%", "Cancel");

        try (OutputStreamWriter writer = new OutputStreamWriter(out, Charsets.UTF_8)) {
            CharStreams.copy(new StringReader(htmlSource), writer);
            out.flush();
        }
    } catch (IOException ex) {
        log.error(null, ex);
    } catch (Exception ex) {
        log.error(null, ex);
    } finally {
        response.setStatus(200);
        if (out != null) {
            try {
                out.close();
            } catch (IOException ex) {
                log.error("closing OutputStream filed", ex);
            }
        }
    }
}

From source file:annis.gui.requesthandler.LoginServletRequestHandler.java

License:Apache License

private void doPost(VaadinSession session, VaadinRequest request, VaadinResponse response) throws IOException {

    response.setContentType("text/html");

    String username = request.getParameter("annis-login-user");
    String password = request.getParameter("annis-login-password");

    if (username != null && password != null) {
        // forget any old user information
        session.getSession().removeAttribute(AnnisBaseUI.USER_KEY);
        session.getSession().removeAttribute(AnnisBaseUI.USER_LOGIN_ERROR);

        // get the URL for the REST service
        Object annisServiceURLObject = session.getSession().getAttribute(AnnisBaseUI.WEBSERVICEURL_KEY);

        if (annisServiceURLObject == null || !(annisServiceURLObject instanceof String)) {
            log.warn("AnnisWebService.URL was not set as init parameter in web.xml");
        }/*from w w w. jav a  2  s  .c  om*/

        String webserviceURL = (String) annisServiceURLObject;

        try {
            AnnisUser user = new AnnisUser(username, password);
            WebResource res = user.getClient().resource(webserviceURL).path("admin").path("is-authenticated");
            if ("true".equalsIgnoreCase(res.get(String.class))) {
                // everything ok, save this user configuration for re-use
                Helper.setUser(user);
            }
        } catch (ClientHandlerException ex) {
            session.getSession().setAttribute(AnnisBaseUI.USER_LOGIN_ERROR,
                    "Authentification error: " + ex.getMessage());
            response.setStatus(502); // bad gateway
        } catch (LoginDataLostException ex) {
            session.getSession().setAttribute(AnnisBaseUI.USER_LOGIN_ERROR, "Lost password in memory. Sorry.");
            response.setStatus(500); // server error
        } catch (UniformInterfaceException ex) {
            if (ex.getResponse().getStatus() == Response.Status.UNAUTHORIZED.getStatusCode()) {
                session.getSession().setAttribute(AnnisBaseUI.USER_LOGIN_ERROR, "Username or password wrong");
                response.setStatus(Response.Status.UNAUTHORIZED.getStatusCode());
            } else if (ex.getResponse().getStatus() == Response.Status.FORBIDDEN.getStatusCode()) {
                session.getSession().setAttribute(AnnisBaseUI.USER_LOGIN_ERROR, "Account has expired");
                response.setStatus(Response.Status.FORBIDDEN.getStatusCode()); // Forbidden
            } else {
                log.error(null, ex);
                session.getSession().setAttribute(AnnisBaseUI.USER_LOGIN_ERROR,
                        "Unexpected exception: " + ex.getMessage());
                response.setStatus(500);
            }
        }

        try (OutputStreamWriter writer = new OutputStreamWriter(response.getOutputStream(), Charsets.UTF_8)) {
            String html = Resources.toString(LoginServletRequestHandler.class.getResource("closelogin.html"),
                    Charsets.UTF_8);
            CharStreams.copy(new StringReader(html), writer);
        }

    } // end if login attempt

}

From source file:annis.gui.requesthandler.ResourceRequestHandler.java

License:Apache License

@Override
public boolean handleRequest(VaadinSession session, VaadinRequest request, VaadinResponse response)
        throws IOException {
    if (request.getPathInfo() != null && request.getPathInfo().startsWith(prefix)) {
        String uuidString = StringUtils.removeStart(request.getPathInfo(), prefix);
        UUID uuid = UUID.fromString(uuidString);
        IFrameResourceMap map = VaadinSession.getCurrent().getAttribute(IFrameResourceMap.class);
        if (map == null) {
            response.setStatus(404);
        } else {/*from   ww w.  j  av  a 2s .  c  o  m*/
            IFrameResource res = map.get(uuid);
            if (res != null) {
                response.setStatus(200);
                response.setContentType(res.getMimeType());
                response.getOutputStream().write(res.getData());
            }
        }
        return true;
    }
    return false;
}

From source file:annis.gui.SearchUI.java

License:Apache License

@Override
protected void init(VaadinRequest request) {
    super.init(request);

    this.instanceConfig = getInstanceConfig(request);

    getPage().setTitle(instanceConfig.getInstanceDisplayName() + " (ANNIS Corpus Search)");

    queryController = new QueryController(this);

    refresh = new Refresher();
    // deactivate refresher by default
    refresh.setRefreshInterval(-1);/*from w w w  .j  a v a 2s. c o  m*/
    refresh.addListener(queryController);
    addExtension(refresh);

    // always get the resize events directly
    setImmediate(true);

    VerticalLayout mainLayout = new VerticalLayout();
    setContent(mainLayout);

    mainLayout.setSizeFull();
    mainLayout.setMargin(false);

    final ScreenshotMaker screenshot = new ScreenshotMaker(this);
    addExtension(screenshot);

    css = new CSSInject(this);

    HorizontalLayout layoutToolbar = new HorizontalLayout();
    layoutToolbar.setWidth("100%");
    layoutToolbar.setHeight("-1px");

    mainLayout.addComponent(layoutToolbar);
    layoutToolbar.addStyleName("toolbar");
    layoutToolbar.addStyleName("border-layout");

    Button btAboutAnnis = new Button("About ANNIS");
    btAboutAnnis.addStyleName(ChameleonTheme.BUTTON_SMALL);
    btAboutAnnis.setIcon(new ThemeResource("info.gif"));

    btAboutAnnis.addClickListener(new AboutClickListener());

    btBugReport = new Button("Report Bug");
    btBugReport.addStyleName(ChameleonTheme.BUTTON_SMALL);
    btBugReport.setDisableOnClick(true);
    btBugReport.setIcon(new ThemeResource("../runo/icons/16/email.png"));
    btBugReport.addListener(new Button.ClickListener() {
        @Override
        public void buttonClick(ClickEvent event) {
            screenshot.makeScreenshot();
            btBugReport.setCaption("bug report is initialized...");
        }
    });

    String bugmail = (String) VaadinSession.getCurrent().getAttribute("bug-e-mail");
    if (bugmail != null && !bugmail.isEmpty() && !bugmail.startsWith("${")
            && new EmailValidator("").isValid(bugmail)) {
        this.bugEMailAddress = bugmail;
    }
    btBugReport.setVisible(this.bugEMailAddress != null);

    lblUserName = new Label("not logged in");
    lblUserName.setWidth("-1px");
    lblUserName.setHeight("-1px");
    lblUserName.addStyleName("right-aligned-text");

    btLoginLogout = new Button("Login", new Button.ClickListener() {
        @Override
        public void buttonClick(ClickEvent event) {
            if (isLoggedIn()) {
                // logout
                Helper.setUser(null);
                Notification.show("Logged out", Notification.Type.TRAY_NOTIFICATION);
                updateUserInformation();
            } else {
                showLoginWindow();
            }
        }
    });
    btLoginLogout.setSizeUndefined();
    btLoginLogout.setStyleName(ChameleonTheme.BUTTON_SMALL);
    btLoginLogout.setIcon(new ThemeResource("../runo/icons/16/user.png"));

    Button btOpenSource = new Button("Help us to make ANNIS better!");
    btOpenSource.setStyleName(BaseTheme.BUTTON_LINK);
    btOpenSource.addListener(new Button.ClickListener() {
        @Override
        public void buttonClick(ClickEvent event) {
            Window w = new HelpUsWindow();
            w.setCaption("Help us to make ANNIS better!");
            w.setModal(true);
            w.setResizable(true);
            w.setWidth("600px");
            w.setHeight("500px");
            addWindow(w);
            w.center();
        }
    });

    layoutToolbar.addComponent(btAboutAnnis);
    layoutToolbar.addComponent(btBugReport);
    layoutToolbar.addComponent(btOpenSource);
    layoutToolbar.addComponent(lblUserName);
    layoutToolbar.addComponent(btLoginLogout);

    layoutToolbar.setSpacing(true);
    layoutToolbar.setComponentAlignment(btAboutAnnis, Alignment.MIDDLE_LEFT);
    layoutToolbar.setComponentAlignment(btBugReport, Alignment.MIDDLE_LEFT);
    layoutToolbar.setComponentAlignment(btOpenSource, Alignment.MIDDLE_CENTER);
    layoutToolbar.setComponentAlignment(lblUserName, Alignment.MIDDLE_RIGHT);
    layoutToolbar.setComponentAlignment(btLoginLogout, Alignment.MIDDLE_RIGHT);
    layoutToolbar.setExpandRatio(btOpenSource, 1.0f);

    //HorizontalLayout hLayout = new HorizontalLayout();
    final HorizontalSplitPanel hSplit = new HorizontalSplitPanel();
    hSplit.setSizeFull();

    mainLayout.addComponent(hSplit);
    mainLayout.setExpandRatio(hSplit, 1.0f);

    AutoGeneratedQueries autoGenQueries = new AutoGeneratedQueries("example queries", this);

    controlPanel = new ControlPanel(queryController, instanceConfig, autoGenQueries);
    controlPanel.setWidth(100f, Layout.Unit.PERCENTAGE);
    controlPanel.setHeight(100f, Layout.Unit.PERCENTAGE);
    hSplit.setFirstComponent(controlPanel);

    tutorial = new TutorialPanel();
    tutorial.setHeight("99%");

    mainTab = new TabSheet();
    mainTab.setSizeFull();
    mainTab.addTab(autoGenQueries, "example queries");
    mainTab.addTab(tutorial, "Tutorial");

    queryBuilder = new QueryBuilderChooser(queryController, this, instanceConfig);
    mainTab.addTab(queryBuilder, "Query Builder");

    hSplit.setSecondComponent(mainTab);
    hSplit.setSplitPosition(CONTROL_PANEL_WIDTH, Unit.PIXELS);
    hSplit.addSplitterClickListener(new AbstractSplitPanel.SplitterClickListener() {
        @Override
        public void splitterClick(AbstractSplitPanel.SplitterClickEvent event) {
            if (event.isDoubleClick()) {
                if (hSplit.getSplitPosition() == CONTROL_PANEL_WIDTH) {
                    // make small
                    hSplit.setSplitPosition(0.0f, Unit.PIXELS);
                } else {
                    // reset to default width
                    hSplit.setSplitPosition(CONTROL_PANEL_WIDTH, Unit.PIXELS);
                }
            }
        }
    });
    // hLayout.setExpandRatio(mainTab, 1.0f);

    addAction(new ShortcutListener("^Query builder") {
        @Override
        public void handleAction(Object sender, Object target) {
            mainTab.setSelectedTab(queryBuilder);
        }
    });

    addAction(new ShortcutListener("Tutor^eial") {
        @Override
        public void handleAction(Object sender, Object target) {
            mainTab.setSelectedTab(tutorial);
        }
    });

    getPage().addUriFragmentChangedListener(this);

    getSession().addRequestHandler(new RequestHandler() {
        @Override
        public boolean handleRequest(VaadinSession session, VaadinRequest request, VaadinResponse response)
                throws IOException {
            checkCitation(request);

            if (request.getPathInfo() != null && request.getPathInfo().startsWith("/vis-iframe-res/")) {
                String uuidString = StringUtils.removeStart(request.getPathInfo(), "/vis-iframe-res/");
                UUID uuid = UUID.fromString(uuidString);
                IFrameResourceMap map = VaadinSession.getCurrent().getAttribute(IFrameResourceMap.class);
                if (map == null) {
                    response.setStatus(404);
                } else {
                    IFrameResource res = map.get(uuid);
                    if (res != null) {
                        response.setStatus(200);
                        response.setContentType(res.getMimeType());
                        response.getOutputStream().write(res.getData());
                    }
                }
                return true;
            }

            return false;
        }
    });

    getSession().setAttribute(MediaController.class, new MediaControllerImpl());

    getSession().setAttribute(PDFController.class, new PDFControllerImpl());

    loadInstanceFonts();

    checkCitation(request);
    lastQueriedFragment = "";
    evaluateFragment(getPage().getUriFragment());

    updateUserInformation();
}

From source file:com.haulmont.cuba.web.sys.CubaWebJarsHandler.java

License:Apache License

@Override
public boolean handleRequest(VaadinSession session, VaadinRequest request, VaadinResponse response)
        throws IOException {
    String path = request.getPathInfo();

    if (StringUtils.isEmpty(path) || StringUtils.isNotEmpty(path) && !path.startsWith(VAADIN_WEBJARS_PREFIX)) {
        return false;
    }//from   w  ww .  j  a  va  2 s.c om

    log.trace("WebJar resource requested: {}", path.replace(VAADIN_WEBJARS_PREFIX, ""));

    String errorMessage = checkResourcePath(path);
    if (StringUtils.isNotEmpty(errorMessage)) {
        log.warn(errorMessage);
        response.sendError(HttpServletResponse.SC_FORBIDDEN, errorMessage);
        return false;
    }

    URL resourceUrl = getStaticResourceUrl(path);

    if (resourceUrl == null) {
        resourceUrl = getClassPathResourceUrl(path);
    }

    if (resourceUrl == null) {
        String msg = String.format("Requested WebJar resource is not found: %s", path);
        response.sendError(HttpServletResponse.SC_NOT_FOUND, msg);
        log.warn(msg);
        return false;
    }

    String resourceName = getResourceName(path);
    String mimeType = servletContext.getMimeType(resourceName);
    response.setContentType(mimeType != null ? mimeType : FileTypesHelper.DEFAULT_MIME_TYPE);

    String cacheControl = "public, max-age=0, must-revalidate";
    int resourceCacheTime = getCacheTime(resourceName);
    if (resourceCacheTime > 0) {
        cacheControl = "max-age=" + String.valueOf(resourceCacheTime);
    }
    response.setHeader("Cache-Control", cacheControl);
    response.setDateHeader("Expires", System.currentTimeMillis() + (resourceCacheTime * 1000));

    InputStream inputStream = null;
    try {
        URLConnection connection = resourceUrl.openConnection();
        long lastModifiedTime = connection.getLastModified();
        // Remove milliseconds to avoid comparison problems (milliseconds
        // are not returned by the browser in the "If-Modified-Since"
        // header).
        lastModifiedTime = lastModifiedTime - lastModifiedTime % 1000;
        response.setDateHeader("Last-Modified", lastModifiedTime);

        if (browserHasNewestVersion(request, lastModifiedTime)) {
            response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
            return true;
        }

        inputStream = connection.getInputStream();

        copy(inputStream, response.getOutputStream());

        return true;
    } finally {
        if (inputStream != null) {
            inputStream.close();
        }
    }
}