Example usage for javax.servlet.http HttpSession getAttribute

Introduction

In this page you can find the example usage for javax.servlet.http HttpSession getAttribute.

Prototype

public Object getAttribute(String name);

Source Link

Document

Returns the object bound with the specified name in this session, or null if no object is bound under the name.

Usage

From source file:com.onehippo.gogreen.login.HstConcurrentLoginFilter.java

static void unregisterUserSession(HttpSession session) {
    String username = (String) session.getAttribute(USERNAME_ATTR);
    log.debug("HstConcurrentLoginFilter will unregister session for {}", username);

    if (username == null) {
        return;//from  ww  w. j a  v  a2 s . c o  m
    }

    ServletContext servletContext = session.getServletContext();
    @SuppressWarnings("unchecked")
    Map<String, HttpSessionWrapper> map = (Map<String, HttpSessionWrapper>) servletContext
            .getAttribute(USERNAME_SESSIONID_MAP_ATTR);

    if (map != null) {
        HttpSessionWrapper oldHttpSessionWrapper = null;

        synchronized (map) {
            oldHttpSessionWrapper = map.get(username);

            if (oldHttpSessionWrapper != null) {
                if (oldHttpSessionWrapper.equalsTo(session)) {
                    map.remove(username);
                    log.debug("HstConcurrentLoginFilter kicked out session ({}) for {}.",
                            oldHttpSessionWrapper.getId(), username);
                } else {
                    log.debug(
                            "HstConcurrentLoginFilter didn't kick out session ({}) for {} because it's logged on by other http session.",
                            oldHttpSessionWrapper.getId(), username);
                }
            }
        }
    } else {
        log.error("HstConcurrentLoginFilter is in invalid state. The session ids map is not found.");
    }

    session.removeAttribute(USERNAME_ATTR);
    log.debug("HstConcurrentLoginFilter removed user name session attribute: {}", username);
}

From source file:net.sourceforge.vulcan.web.struts.actions.ProjectReportBaseAction.java

static PreferencesDto findPreferences(HttpServletRequest request) {
    final HttpSession session = request.getSession(false);

    if (session != null) {
        final PreferencesDto prefs = (PreferencesDto) session.getAttribute(Keys.PREFERENCES);
        if (prefs != null) {
            return prefs;
        }// ww  w.ja v  a2s  .  c  om
    }

    return (PreferencesDto) request.getAttribute(Keys.PREFERENCES);
}

From source file:tools.EpsServletUtilities.java

protected static void registerChartForDeletion(File tempFile, HttpSession session) {

    //  Add chart to deletion list in session
    if (session != null) {
        EpsDeleter chartDeleter = (EpsDeleter) session.getAttribute("EpsChart_Deleter");
        if (chartDeleter == null) {
            chartDeleter = new EpsDeleter();
            session.setAttribute("EpsChart_Deleter", chartDeleter);
        }/*from www . j  a  va 2  s .  co  m*/
        chartDeleter.addChart(tempFile.getName());
        System.out.println("add a chart to delete: " + tempFile.getName());
    } else {
        System.out.println("Session is null - chart will not be deleted");
    }
}

From source file:com.jdon.strutsutil.FormBeanUtil.java

/**
 * lookup ActionForm in/*from  ww w. j  a v  a2 s  .  co  m*/
 * 
 * @param request
 * @return
 */
public static ActionForm lookupActionForm(HttpServletRequest request, String formName) {
    ActionForm actionForm = null;
    actionForm = (ActionForm) request.getAttribute(formName);
    if (actionForm == null && request.getSession(false) != null) {
        HttpSession session = request.getSession(false);
        actionForm = (ActionForm) session.getAttribute(formName);
    }
    return actionForm;
}

From source file:com.vangent.hieos.DocViewer.server.framework.ServletUtilMixin.java

/**
 * /*  w w  w . j av a  2 s .c  om*/
 * @param request
 * @return
 */
static public boolean isValidSession(HttpServletRequest request) {
    boolean validSession = false;

    // Get session.
    HttpSession session = request.getSession(false);
    if (session != null) {

        // See if we have a valid session.
        String loginSuccess = (String) session.getAttribute(SESSION_PROPERTY_AUTH_STATUS);
        if (loginSuccess == null || !loginSuccess.equals("true")) {
            // Do not continue.
            validSession = false;
        } else {
            // Continue.
            validSession = true;
        }
    }
    return validSession;
}

From source file:com.webapp.desc.WebApp.java

/**
 * Retrieve a login from the current request.
 * /*ww  w.j a  v a  2  s  .  c om*/
 * @param request The HTTP request containing container session and cookie data
 * 
 * @return the login associated with the request, or null if the user has not logged into the system with valid credentials.
 */
public static Login getLogin(HttpServletRequest request) {
    Login retval = null;

    HttpSession session = request.getSession(true);

    try {
        retval = (Login) session.getAttribute(SESSION_LOGIN_KEY);
    } catch (Exception e) {
        LOG.error(e);
    }

    // If the login was not in the HTTP session, check for the cookie
    if (retval == null) {

        if (request != null) {
            String sessionid = null;

            Cookie[] cookies = request.getCookies();
            if (cookies != null) {

                for (int i = 0; i < cookies.length; i++) {
                    if (COOKIE_SESSION_KEY.equals(cookies[i].getName())) {
                        sessionid = cookies[i].getValue();
                        break;
                    }
                }

                if (StringUtil.isNotBlank(sessionid)) {
                    if (securityContext != null) {
                        LOG.trace("Retrieving security session for " + sessionid);
                        Session msession = securityContext.getSession(sessionid);
                        if (msession != null) {
                            // TODO: It might be interesting to ensure that
                            // the servlet session identifier matches data
                            // stored in the security context's session as
                            // an additional check
                            retval = msession.getLogin();
                            LOG.trace("Using existing session from security context");
                        } else {
                            LOG.warn("No security session for session ID :" + sessionid);
                            // TODO: Should we clear the cookie since we
                            // lost the session?
                        }
                    } else {
                        LOG.warn("Security Context not set");
                    }

                } // session id !null
            } // cookies !null
        } // request !null

    } // login was not stored in the local http session

    // return what we retrieved
    return retval;
}

From source file:com.alibaba.citrus.turbine.util.CsrfToken.java

public static LinkedList<String> getTokensInSession(HttpSession session, String tokenKey) {
    return createLinkedList(StringUtil.split((String) session.getAttribute(tokenKey), CSRF_TOKEN_SEPARATOR));
}

From source file:gov.nih.nci.cabig.ctms.web.WebTools.java

@SuppressWarnings({ "unchecked" })
public static SortedMap<String, Object> sessionAttributesToMap(final HttpSession session) {
    if (session != null) {
        return namedAttributesToMap(session.getAttributeNames(), new AttributeAccessor() {
            public Object getAttribute(String name) {
                return session.getAttribute(name);
            }/*from   ww w.  j av a2  s.c  o  m*/
        });
    } else {
        return emptySortedMap();
    }
}

From source file:in.mycp.utils.Commons.java

public static String getSessionMsg() {
    try {//from   w  ww  .j av a 2s .co  m
        HttpSession session = WebContextFactory.get().getSession();
        return (String) session.getAttribute("session_msg");
    } catch (Exception e) {
        log.error(e.getMessage());
    }
    return "";
}

From source file:com.ecyrd.jspwiki.preferences.Preferences.java

/**
 *  This is an utility method which is called to make sure that the
 *  JSP pages do have proper access to any user preferences.  It should be
 *  called from the commonheader.jsp.//from   w  ww  .ja v a2  s  .  co m
 *  <p>
 *  This method reads user cookie preferences and mixes them up with any
 *  default preferences (and in the future, any user-specific preferences)
 *  and puts them all in the session, so that they do not have to be rewritten
 *  again.
 *  <p>
 *  This method will remember if the user has already changed his prefs.
 *  
 *  @param pageContext The JSP PageContext.
 */
public static void setupPreferences(PageContext pageContext) {
    HttpSession session = pageContext.getSession();

    if (session.getAttribute(SESSIONPREFS) == null) {
        reloadPreferences(pageContext);
    }
}