Example usage for com.vaadin.server VaadinRequest getHeader

Introduction

In this page you can find the example usage for com.vaadin.server VaadinRequest getHeader.

Prototype

public String getHeader(String headerName);

Source Link

Document

Gets the value of a request header, e.g.

Usage

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

License:Apache License

public void sendResponse(VaadinSession session, VaadinRequest request, VaadinResponse pureResponse,
        boolean sendContent) throws IOException {
    if (!(pureResponse instanceof VaadinServletResponse)) {
        pureResponse.sendError(500, "Binary requests only work with servlets");
    }//  w  ww  . j  a v  a 2 s.co  m

    VaadinServletResponse response = (VaadinServletResponse) pureResponse;

    Map<String, String[]> binaryParameter = request.getParameterMap();
    String toplevelCorpusName = binaryParameter.get("toplevelCorpusName")[0];
    String documentName = binaryParameter.get("documentName")[0];

    String mimeType = null;
    if (binaryParameter.containsKey("mime")) {
        mimeType = binaryParameter.get("mime")[0];
    }
    try {
        // always set the buffer size to the same one we will use for coyping, 
        // otherwise we won't notice any client disconnection
        response.reset();
        response.setCacheTime(-1);
        response.resetBuffer();
        response.setBufferSize(BUFFER_SIZE); // 4K

        String requestedRangeRaw = request.getHeader("Range");

        WebResource binaryRes = Helper.getAnnisWebResource().path("query").path("corpora")
                .path(urlPathEscape.escape(toplevelCorpusName)).path(urlPathEscape.escape(documentName))
                .path("binary");

        WebResource metaBinaryRes = Helper.getAnnisWebResource().path("meta").path("binary")
                .path(urlPathEscape.escape(toplevelCorpusName)).path(urlPathEscape.escape(documentName));

        // tell client that we support byte ranges
        response.setHeader("Accept-Ranges", "bytes");

        Preconditions.checkNotNull(mimeType, "No mime type given (parameter \"mime\"");

        AnnisBinaryMetaData meta = getMatchingMetadataFromService(metaBinaryRes, mimeType);
        if (meta == null) {
            response.sendError(404, "Binary file not found");
            return;
        }

        ContentRange fullRange = new ContentRange(0, meta.getLength() - 1, meta.getLength());

        ContentRange r = fullRange;
        try {
            if (requestedRangeRaw != null) {
                List<ContentRange> requestedRanges = ContentRange.parseFromHeader(requestedRangeRaw,
                        meta.getLength(), 1);

                if (!requestedRanges.isEmpty()) {
                    r = requestedRanges.get(0);
                }
            }

            long contentLength = (r.getEnd() - r.getStart() + 1);

            boolean useContentRange = !fullRange.equals(r);

            response.setContentType(meta.getMimeType());
            if (useContentRange) {
                response.setHeader("Content-Range", r.toString());
            }
            response.setContentLength((int) contentLength);
            response.setStatus(useContentRange ? 206 : 200);

            response.flushBuffer();
            if (sendContent) {
                try (OutputStream out = response.getOutputStream();) {
                    writeFromServiceToClient(r.getStart(), contentLength, binaryRes, out, mimeType);
                }
            }

        } catch (ContentRange.InvalidRangeException ex) {
            response.setHeader("Content-Range", "bytes */" + meta.getLength());
            response.sendError(416, "Requested range not satisfiable: " + ex.getMessage());
            return;
        }

    } catch (IOException ex) {
        log.warn("IOException in BinaryRequestHandler", ex);
        response.setStatus(500);
    } catch (ClientHandlerException | UniformInterfaceException ex) {
        log.error(null, ex);
        response.setStatus(500);
    }
}

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From source file:com.esofthead.mycollab.web.DesktopApplication.java

License:Open Source License

@Override
protected void init(VaadinRequest request) {
    LOG.debug("Init mycollab application {} associate with session {}", this.toString(),
            VaadinSession.getCurrent());
    LOG.debug("Register default error handler");

    VaadinSession.getCurrent().setErrorHandler(new DefaultErrorHandler() {
        private static final long serialVersionUID = 1L;

        @Override//from   w ww .j a  v a 2s.co  m
        public void error(com.vaadin.server.ErrorEvent event) {
            Throwable e = event.getThrowable();
            handleException(e);
        }
    });

    initialUrl = this.getPage().getUriFragment();
    MyCollabSession.putVariable(CURRENT_APP, this);
    currentContext = new AppContext();
    postSetupApp(request);
    try {
        currentContext.initDomain(initialSubDomain);
    } catch (SubDomainNotExistException e) {
        this.setContent(new NoSubDomainExistedWindow(initialSubDomain));
        return;
    }

    mainWindowContainer = new MainWindowContainer();
    this.setContent(mainWindowContainer);

    getPage().addUriFragmentChangedListener(new UriFragmentChangedListener() {
        private static final long serialVersionUID = 1L;

        @Override
        public void uriFragmentChanged(UriFragmentChangedEvent event) {
            enter(event.getUriFragment());
        }
    });

    EventBusFactory.getInstance().register(new ShellErrorHandler());

    String userAgent = request.getHeader("user-agent");
    if (isInNotSupportedBrowserList(userAgent.toLowerCase())) {
        NotificationUtil
                .showWarningNotification("Your browser is out of date. Some features of MyCollab will not"
                        + " behave correctly. You should upgrade to the newer browser.");
    }
}

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From source file:com.foc.vaadin.FocWebApplication.java

License:Apache License

public void initialize(VaadinRequest vaadinRequest, ServletContext servletContext, HttpSession httpSession,
        boolean webServicesOnly) {
    //      setTheme(FocVaadinTheme.THEME_NAME);
    //      Page.getCurrent().setUriFragment("01barmaja");
    Globals.logString("FocWebApplication.init 111");
    setErrorHandler(new DefaultErrorHandler() {
        @Override/* ww  w  . j  a v  a2 s .  c  o  m*/
        public void error(com.vaadin.server.ErrorEvent event) {
            Globals.logString("Error - 1");
            Throwable throwable = event != null ? event.getThrowable() : null;
            Globals.logString("Error - 2");
            if (throwable != null && throwable instanceof Exception) {
                Globals.logString("Error - 3");
                Globals.logException((Exception) throwable);
                Globals.logString("Error - 4");
            }

            // Do the default error handling (optional)
            doDefault(event);
        }
    });

    String userAgent = vaadinRequest != null ? vaadinRequest.getHeader("User-Agent") : null;
    isMobile = Utils.isMobile(userAgent);
    Globals.logString("FocWebApplication.init 2");
    //      isMobile = Globals.isTouchDevice();

    String path = vaadinRequest != null ? vaadinRequest.getPathInfo() : null;
    Globals.logString("FocWebApplication.init 3");
    if (path != null && !path.isEmpty() && path.length() > 1) {
        path = path.substring(1);
        isMobile = path.toLowerCase().trim().equals("m");
    }
    Globals.logString("FocWebApplication.init 4");

    addStyleName("focMainWindow");

    Globals.logString("FocWebApplication.init 5");

    //      FocWebApplication.setInstanceForThread(this);
    setSessionIfEmpty(httpSession);
    Globals.logString("FocWebApplication.init 6");
    startApplicationServer(servletContext, webServicesOnly);
    Globals.logString("FocWebApplication.init 7");
    FocWebServer focWebServer = FocWebServer.getInstance();
    if (focWebServer == null) {
        Globals.logString("FocWebApplication.init 8 - SERVER IS NULL");
    } else {
        Globals.logString("FocWebApplication.init 8 - SERVER OK");
    }
    focWebServer.addApplication(this);
    Globals.logString("FocWebApplication.init 9");
}

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From source file:com.haulmont.cuba.web.security.ConnectionImpl.java

License:Apache License

@Nullable
protected String getUserRemoteAddress() {
    VaadinRequest currentRequest = VaadinService.getCurrentRequest();

    String userRemoteAddress = null;

    if (currentRequest != null) {
        String xForwardedFor = currentRequest.getHeader("X_FORWARDED_FOR");
        if (StringUtils.isNotBlank(xForwardedFor)) {
            String[] strings = xForwardedFor.split(",");
            String userAddressFromHeader = StringUtils.trimToEmpty(strings[strings.length - 1]);

            if (StringUtils.isNotEmpty(userAddressFromHeader)) {
                userRemoteAddress = userAddressFromHeader;
            } else {
                userRemoteAddress = currentRequest.getRemoteAddr();
            }//www. j  av  a2  s.co  m
        } else {
            userRemoteAddress = currentRequest.getRemoteAddr();
        }
    }

    return userRemoteAddress;
}

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From source file:com.mycollab.vaadin.MyCollabUIProvider.java

License:Open Source License

@Override
public Class<? extends UI> getUIClass(UIClassSelectionEvent event) {
    VaadinRequest request = event.getRequest();
    String uiClass;/*from  w w  w. j  a  va 2 s . c  o m*/
    String userAgent;

    try {
        userAgent = request.getHeader("user-agent").toLowerCase();
    } catch (Exception e) {
        return null;
    }

    uiClass = userAgent.contains("mobile") ? MOBILE_APP : DESKTOP_APP;

    try {
        return (Class<? extends UI>) Class.forName(uiClass);
    } catch (ClassNotFoundException e) {
        throw new MyCollabException(e);
    }
}

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From source file:com.mycollab.vaadin.Utils.java

License:Open Source License

public static boolean isTablet(VaadinRequest request) {
    try {// ww w  .  j ava  2s.  com
        String userAgent = request.getHeader("user-agent").toLowerCase();
        return userAgent.contains("ipad");
    } catch (Exception e) {
        return false;
    }
}

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From source file:com.mycollab.web.DesktopApplication.java

License:Open Source License

@Override
protected void init(final VaadinRequest request) {
    broadcastReceiverService = AppContextUtil.getSpringBean(BroadcastReceiverService.class);
    if (SiteConfiguration.getPullMethod() == SiteConfiguration.PullMethod.push) {
        getPushConfiguration().setPushMode(PushMode.MANUAL);
    }/*from   w w w. j  a v  a2  s .c  o  m*/

    VaadinSession.getCurrent().setErrorHandler(new DefaultErrorHandler() {
        private static final long serialVersionUID = 1L;

        @Override
        public void error(com.vaadin.server.ErrorEvent event) {
            Throwable e = event.getThrowable();
            handleException(request, e);
        }
    });

    setCurrentFragmentUrl(this.getPage().getUriFragment());
    currentContext = new UserUIContext();
    postSetupApp(request);

    EventBusFactory.getInstance().register(new ShellErrorHandler());

    mainWindowContainer = new MainWindowContainer();
    this.setContent(mainWindowContainer);

    getPage().setTitle("MyCollab - Online project management");

    getPage().addUriFragmentChangedListener(
            uriFragmentChangedEvent -> enter(uriFragmentChangedEvent.getUriFragment()));

    String userAgent = request.getHeader("user-agent");
    if (isInNotSupportedBrowserList(userAgent.toLowerCase())) {
        NotificationUtil.showWarningNotification(UserUIContext.getMessage(ErrorI18nEnum.BROWSER_OUT_UP_DATE));
    }
}

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From source file:com.mycollab.web.DesktopApplication.java

License:Open Source License

private String printRequest(VaadinRequest request) {
    StringBuilder requestInfo = new StringBuilder();
    Enumeration<String> headerNames = request.getHeaderNames();
    while (headerNames.hasMoreElements()) {
        String attr = headerNames.nextElement();
        requestInfo.append(attr + ": " + request.getHeader(attr)).append('\n');
    }// ww  w  .  j  a  v a  2  s  .  c o m
    requestInfo.append("Subdomain: " + Utils.getSubDomain(request)).append('\n');
    requestInfo.append("Remote address: " + request.getRemoteAddr()).append('\n');
    requestInfo.append("Path info: " + request.getPathInfo()).append('\n');
    requestInfo.append("Remote host: " + request.getRemoteHost()).append('\n');
    return requestInfo.toString();
}

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From source file:edu.nps.moves.mmowgli.CACManager.java

License:Open Source License

public static CACData findCAC(VaadinRequest req) {
    CACData cData = new CACData();
    String val = req.getHeader(CAC_CLIENT_VERIFY_HEADER);
    String client;/*ww  w .j a va2 s.  co m*/
    String cert;

    if (val != null) {
        if (val.equals(VERIFY_SUCCESS)) {
            client = req.getHeader(CAC_CLIENT_DN_HEADER);
            if (client != null) {
                cert = req.getHeader(CAC_CERT_HEADER);
                if (cert != null) {
                    cData.isCACPresent = true; // will be reset on parse error
                    parseCert(cert, cData);
                }
            }
        }
    }
    return cData;
}

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From source file:org.opencms.main.CmsUIServlet.java

License:Open Source License

/**
 * Checks whether the given request was referred from the login page.<p>
 *
 * @param request the request/*from   w ww. jav  a  2 s  .  co m*/
 *
 * @return <code>true</code> in case of login ui requests
 */
static boolean isLoginUIRequest(VaadinRequest request) {

    String referrer = request.getHeader("referer");
    return (referrer != null) && referrer.contains(CmsWorkplaceLoginHandler.LOGIN_HANDLER);
}

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