Example usage for javax.servlet ServletContext getAttribute

Introduction

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

Prototype

public Object getAttribute(String name);

Source Link

Document

Returns the servlet container attribute with the given name, or null if there is no attribute by that name.

Usage

From source file:edu.cornell.mannlib.vitro.webapp.config.ConfigurationProperties.java

public static ConfigurationProperties getBean(ServletContext context) {
    if (context == null) {
        throw new NullPointerException("context may not be null.");
    }/*from  w  w w. j  a  va 2 s .  c  om*/

    Object o = context.getAttribute(ATTRIBUTE_NAME);
    if (o == null) {
        log.error("ConfigurationProperties bean has not been set.");
        return DUMMY_PROPERTIES;
    } else if (!(o instanceof ConfigurationProperties)) {
        log.error("Error: ConfigurationProperties was set to an " + "invalid object: " + o);
        return DUMMY_PROPERTIES;
    }

    return (ConfigurationProperties) o;
}

From source file:org.apache.qpid.server.management.plugin.HttpManagementUtil.java

public static HttpManagementConfiguration getManagementConfiguration(ServletContext servletContext) {
    return (HttpManagementConfiguration) servletContext.getAttribute(ATTR_MANAGEMENT_CONFIGURATION);
}

From source file:edu.cornell.mannlib.vitro.webapp.web.images.PlaceholderUtil.java

/** Get the PlaceholderUtil instance from the context, or null if none. */
private static PlaceholderUtil getPlaceholderUtil(VitroRequest vreq) {
    if (vreq == null) {
        return null;
    }/*from   ww w . j a  va2 s. c om*/
    ServletContext ctx = vreq.getSession().getServletContext();
    Object attrib = ctx.getAttribute(ATTRIBUTE_NAME);
    if (attrib instanceof PlaceholderUtil) {
        return (PlaceholderUtil) attrib;
    } else {
        log.warn("Looked for a PlaceholerUtil, but found " + attrib);
        return null;
    }
}

From source file:edu.cornell.mannlib.vitro.webapp.controller.authenticate.Authenticator.java

/**
 * Ask the currently configured AuthenticatorFactory to give us an
 * Authenticator for this request./*from w  w  w . j  a va2  s.c  om*/
 * 
 * If there is no factory, configure a Basic one.
 */
public static Authenticator getInstance(HttpServletRequest request) {
    ServletContext ctx = request.getSession().getServletContext();
    Object attribute = ctx.getAttribute(FACTORY_ATTRIBUTE_NAME);
    if (!(attribute instanceof AuthenticatorFactory)) {
        setAuthenticatorFactory(new BasicAuthenticator.Factory(), ctx);
        attribute = ctx.getAttribute(FACTORY_ATTRIBUTE_NAME);
    }
    AuthenticatorFactory factory = (AuthenticatorFactory) attribute;

    return factory.getInstance(request);
}

From source file:edu.cornell.mannlib.vitro.webapp.i18n.selection.SelectedLocale.java

/**
 * Do we need to override the Locale in the current request? return the
 * first of these to be found:/* www . j  a v a2  s  . c  o  m*/
 * <ul>
 * <li>The forced Locale in the servlet context</li>
 * <li>The selected Locale in the session</li>
 * <li>The first of the selectable Locales</li>
 * <li>null</li>
 * </ul>
 */
public static Locale getOverridingLocale(HttpServletRequest req) {
    HttpSession session = req.getSession();
    ServletContext ctx = session.getServletContext();

    Object ctxInfo = ctx.getAttribute(ATTRIBUTE_NAME);
    if (ctxInfo instanceof ContextSelectedLocale) {
        Locale forcedLocale = ((ContextSelectedLocale) ctxInfo).getForcedLocale();
        if (forcedLocale != null) {
            log.debug("Found forced locale in the context: " + forcedLocale);
            return forcedLocale;
        }
    }

    Object sessionInfo = session.getAttribute(ATTRIBUTE_NAME);
    if (sessionInfo instanceof SessionSelectedLocale) {
        Locale selectedLocale = ((SessionSelectedLocale) sessionInfo).getSelectedLocale();
        if (selectedLocale != null) {
            log.debug("Found selected locale in the session: " + selectedLocale);
            return selectedLocale;
        }
    }

    if (ctxInfo instanceof ContextSelectedLocale) {
        List<Locale> selectableLocales = ((ContextSelectedLocale) ctxInfo).getSelectableLocales();
        if (selectableLocales != null && !selectableLocales.isEmpty()) {
            Locale defaultLocale = selectableLocales.get(0);
            log.debug("Using first selectable locale as default: " + defaultLocale);
            return defaultLocale;
        }
    }

    return null;
}

From source file:edu.cornell.mannlib.vitro.webapp.servlet.setup.FileGraphSetup.java

private static boolean isUpdateRequired(ServletContext ctx) {
    return (ctx.getAttribute(UpdateKnowledgeBase.KBM_REQURIED_AT_STARTUP) != null);
}

From source file:och.chat.web.ChatsAppProvider.java

public static synchronized ChatsApp get(ServletContext servletContext) throws ServletException {

    try {// w w  w.  j a  v  a2  s.  c om
        if (servletContext == null)
            throw new IllegalArgumentException("servletContext is null");

        ChatsApp app = (ChatsApp) servletContext.getAttribute("ChatsApp");
        if (app == null) {
            app = createApp(servletContext);
            servletContext.setAttribute("ChatsApp", app);
            lastCreated = app;
        }
        return app;

    } catch (Throwable t) {
        log.error("can't get app", t);
        throw new ServletException("can't init: " + t, t);
    }
}

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

@SuppressWarnings({ "unchecked" })
public static SortedMap<String, Object> servletContextAttributesToMap(final ServletContext context) {
    return namedAttributesToMap(context.getAttributeNames(), new AttributeAccessor<Object>() {
        public Object getAttribute(String name) {
            return context.getAttribute(name);
        }//from   w  w  w .  j ava 2  s. com
    });
}

From source file:och.front.web.FrontAppProvider.java

public static synchronized FrontApp get(ServletContext servletContext) throws ServletException {

    try {/*from w  ww.j av a 2 s .c  o m*/
        if (servletContext == null)
            throw new IllegalArgumentException("servletContext must be not null");

        FrontApp app = (FrontApp) servletContext.getAttribute("FrontApp");

        if (app == null) {
            app = createApp(servletContext);
            servletContext.setAttribute("FrontApp", app);
            lastCreated = app;
        }
        return app;

    } catch (Throwable t) {
        log.error("can't get app", t);
        throw new ServletException("can't init: " + t, t);
    }
}

From source file:org.apache.struts.tiles.DefinitionsUtil.java

/**
 * Get definition factory from appropriate servlet context.
 * @return Definitions factory or null if not found.
 * @deprecated Use {@link TilesUtil#getDefinitionsFactory(ServletRequest, ServletContext)}
 * @since 20020708//  w w  w  .j  av  a  2s. com
 */
public static DefinitionsFactory getDefinitionsFactory(ServletContext servletContext) {
    return (DefinitionsFactory) servletContext.getAttribute(DEFINITIONS_FACTORY);
}