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:org.apache.myfaces.custom.stylesheet.TextResourceFilter.java

/**
 * Return the application-singleton instance of this class.
 *//* w  w  w .  j av a 2 s. c  om*/
public static TextResourceFilter getInstance(ServletContext context) {
    synchronized (TextResourceFilter.class) {
        TextResourceFilter filterText = (TextResourceFilter) context.getAttribute(CONTEXT_KEY);
        if (filterText == null) {
            filterText = create();
            context.setAttribute(CONTEXT_KEY, filterText);
        }
        return filterText;
    }
}

From source file:com.telefonica.iot.perseo.Utils.java

/**
 * Delete the EPServiceProvider from the ServletContext
 *
 * @param sc ServleContext to add ESPServiceProvider
 *//* ww  w . j av  a2s  .  c o  m*/
public static synchronized void destroyEPService(ServletContext sc) {
    EPServiceProvider epService = (EPServiceProvider) sc.getAttribute(EPSERV_ATTR_NAME);
    if (epService != null) {
        epService.destroy();
        sc.removeAttribute(EPSERV_ATTR_NAME);
    }
}

From source file:edu.cornell.mannlib.vitro.webapp.email.FreemarkerEmailFactory.java

private static FreemarkerEmailFactory getFactory(HttpServletRequest req) {
    ServletContext ctx = req.getSession().getServletContext();
    return (FreemarkerEmailFactory) ctx.getAttribute(ATTRIBUTE_NAME);
}

From source file:com.telefonica.iot.perseo.Utils.java

/**
 * Add an initialized EPServiceProvider to an ServletContext if it is not
 * already/*  w w  w .j  a  va 2 s  .com*/
 *
 * @param sc ServleContext to add ESPServiceProvider
 * @return the initialized EPServiceProvider
 */
public static synchronized EPServiceProvider initEPService(ServletContext sc) {
    EPServiceProvider epService = (EPServiceProvider) sc.getAttribute(EPSERV_ATTR_NAME);
    if (epService == null) {
        epService = EPServiceProviderManager.getDefaultProvider();
        Map<String, Object> def = new HashMap<String, Object>();
        def.put("id", String.class);
        def.put("type", String.class);
        def.put(Constants.SUBSERVICE_FIELD, String.class);
        def.put(Constants.SERVICE_FIELD, String.class);
        ConfigurationOperations cfg = epService.getEPAdministrator().getConfiguration();
        cfg.addEventType(Constants.IOT_EVENT, def);
        sc.setAttribute(EPSERV_ATTR_NAME, epService);
    }
    return epService;
}

From source file:edu.cornell.mannlib.vitro.webapp.auth.permissions.PermissionRegistry.java

/**
 * Get the registry from the context. If there isn't one, throw an
 * exception./*w w w .  j  a  v a2 s.  c  om*/
 */
public static PermissionRegistry getRegistry(ServletContext ctx) {
    if (ctx == null) {
        throw new NullPointerException("ctx may not be null.");
    }

    Object o = ctx.getAttribute(ATTRIBUTE_NAME);
    if (o == null) {
        throw new IllegalStateException("PermissionRegistry has not been set.");
    } else if (!(o instanceof PermissionRegistry)) {
        throw new IllegalStateException("PermissionRegistry was set to an " + "invalid object: " + o);
    }

    return (PermissionRegistry) o;
}

From source file:com.bank.manager.configs.ContextCleanupListener.java

/**
 * Find all ServletContext attributes which implement {@link DisposableBean}
 * and destroy them, removing all affected ServletContext attributes eventually.
 * @param sc the ServletContext to check
 *//*from w w  w  . j av a 2 s.  c  o m*/
static void cleanupAttributes(ServletContext sc) {
    Enumeration<String> attrNames = sc.getAttributeNames();
    while (attrNames.hasMoreElements()) {
        String attrName = attrNames.nextElement();
        if (attrName.startsWith("org.springframework.")) {
            Object attrValue = sc.getAttribute(attrName);
            if (attrValue instanceof DisposableBean) {
                try {
                    ((DisposableBean) attrValue).destroy();
                } catch (Throwable ex) {
                    logger.error("Couldn't invoke destroy method of attribute with name '" + attrName + "'",
                            ex);
                }
            }
        }
    }
}

From source file:edu.cornell.mannlib.vitro.webapp.utils.pageDataGetter.DataGetterUtils.java

public static void setupDataGetters(ServletContext context) {
    if (context != null && context.getAttribute(DATA_GETTER_MAP) == null) {
        context.setAttribute(DATA_GETTER_MAP, new HashMap<String, PageDataGetter>());

        /* register all page data getters with the PageController servlet.  
         * There should be a better way of doing this. */
        ClassGroupPageData cgpd = new ClassGroupPageData();
        getPageDataGetterMap(context).put(cgpd.getType(), cgpd);
        BrowseDataGetter bdg = new BrowseDataGetter();
        getPageDataGetterMap(context).put(bdg.getType(), bdg);
        //TODO: Check if can include by type here
        IndividualsForClassesDataGetter cidg = new IndividualsForClassesDataGetter();
        getPageDataGetterMap(context).put(cidg.getType(), cidg);
        InternalClassesDataGetter internalCdg = new InternalClassesDataGetter();
        getPageDataGetterMap(context).put(internalCdg.getType(), internalCdg);

    }/*  w  w w.  j a  v a 2 s  .c  o m*/
}

From source file:com.manydesigns.portofino.logic.SecurityLogic.java

public static boolean isAdministrator(ServletRequest request) {
    ServletContext servletContext = ElementsThreadLocals.getServletContext();
    Configuration conf = (Configuration) servletContext.getAttribute(BaseModule.PORTOFINO_CONFIGURATION);
    return isAdministrator(conf);
}

From source file:org.apache.tiles.servlet.context.ServletUtil.java

/**
 * Returns a specific Tiles container./*ww w.j  a  v  a  2s . c o m*/
 *
 * @param context The servlet context to use.
 * @param key The key under which the container is stored. If null, the
 * default container will be returned.
 * @return The requested Tiles container.
 * @since 2.1.2
 */
public static TilesContainer getContainer(ServletContext context, String key) {
    if (key == null) {
        key = TilesAccess.CONTAINER_ATTRIBUTE;
    }
    return (TilesContainer) context.getAttribute(key);
}

From source file:edu.cornell.mannlib.vitro.webapp.startup.StartupStatus.java

public static StartupStatus getBean(ServletContext ctx) {
    StartupStatus ss;//from ww  w  . j ava2 s.c  o  m

    Object o = ctx.getAttribute(ATTRIBUTE_NAME);
    if (o instanceof StartupStatus) {
        ss = (StartupStatus) o;
    } else {
        ss = new StartupStatus();
        ctx.setAttribute(ATTRIBUTE_NAME, ss);
    }

    return ss;
}