List of usage examples for javax.servlet ServletContext getAttribute
public Object getAttribute(String name);
null if there is no attribute by that name. From source file:com.boylesoftware.web.AbstractWebApplication.java
/** * Get web-application object for the specified servlet context. The method * can be used in custom application components that run outside controllers * (controllers can get the application object as a controller method * argument), such as JSP views.// w w w .jav a2s .co m * * @param sc The servlet context. * * @return The web-application object. * * @throws UnavailableException If web-application object is not available * for the specified servlet context. */ public static AbstractWebApplication getApplication(final ServletContext sc) throws UnavailableException { final AbstractWebApplication webapp = (AbstractWebApplication) sc.getAttribute(WEBAPP_ATTNAME); if (webapp == null) throw new UnavailableException("WebApplication listener has not been configured."); return webapp; }
From source file:com.concursive.connect.web.portal.PortletManager.java
public static synchronized String checkRegistryService(ServletContext context, ServletConfig config, HttpServletRequest request) throws PortletContainerException { // Add the registry service which preloads all of the portlets String contextPath = (String) context.getAttribute("PortletContextPath"); if (contextPath == null) { PortletContextManager registryService = PortletContextManager.getManager(); registryService.register(config); contextPath = request.getContextPath(); if (!StringUtils.hasText(contextPath)) { // Pluto corrects for using a "/" as the context path contextPath = "/"; }//from ww w .j a va2 s. c o m context.setAttribute("PortletContextPath", contextPath); } return contextPath; }
From source file:org.apache.struts.validator.Resources.java
/** * Retrieve <code>MessageResources</code> for the module and bundle. * * @param application the servlet context * @param request the servlet request * @param bundle the bundle key/*from w w w. jav a2 s .c o m*/ */ public static MessageResources getMessageResources(ServletContext application, HttpServletRequest request, String bundle) { if (bundle == null) { bundle = Globals.MESSAGES_KEY; } MessageResources resources = (MessageResources) request.getAttribute(bundle); if (resources == null) { ModuleConfig moduleConfig = ModuleUtils.getInstance().getModuleConfig(request, application); resources = (MessageResources) application.getAttribute(bundle + moduleConfig.getPrefix()); } if (resources == null) { resources = (MessageResources) application.getAttribute(bundle); } if (resources == null) { throw new NullPointerException("No message resources found for bundle: " + bundle); } return resources; }
From source file:com.ery.estorm.http.HttpServer.java
/** * Does the user sending the HttpServletRequest has the administrator ACLs? * If it isn't the case, response will be modified to send an error to the * user.//from w ww. j av a 2 s. c o m * * @param servletContext * @param request * @param response * @return true if admin-authorized, false otherwise * @throws IOException */ public static boolean hasAdministratorAccess(ServletContext servletContext, HttpServletRequest request, HttpServletResponse response) throws IOException { Configuration conf = (Configuration) servletContext.getAttribute(CONF_CONTEXT_ATTRIBUTE); return true; }
From source file:com.jsmartframework.web.manager.WebContext.java
/** * Returns the attribute carried on {@link HttpServletRequest}, {@link HttpSession} or {@link ServletContext} * instances associated with current request being processed. * * @param name name of the attribute.//from www .java2 s . c o m * @return the {@link Object} mapped by attribute name on the current request. */ public static Object getAttribute(String name) { if (name != null) { HttpServletRequest request = getRequest(); if (request != null && request.getAttribute(name) != null) { return request.getAttribute(name); } HttpSession session = getSession(); if (session != null) { synchronized (session) { if (session.getAttribute(name) != null) { return session.getAttribute(name); } } } ServletContext application = getApplication(); if (application.getAttribute(name) != null) { return application.getAttribute(name); } } return null; }
From source file:org.apache.hadoop.http.HttpServer.java
/** * Does the user sending the HttpServletRequest has the administrator ACLs? If * it isn't the case, response will be modified to send an error to the user. * //from w w w. j a v a2 s . c o m * @param servletContext * @param request * @param response * @return true if admin-authorized, false otherwise * @throws IOException */ public static boolean hasAdministratorAccess(ServletContext servletContext, HttpServletRequest request, HttpServletResponse response) throws IOException { Configuration conf = (Configuration) servletContext.getAttribute(CONF_CONTEXT_ATTRIBUTE); // If there is no authorization, anybody has administrator access. if (!conf.getBoolean(CommonConfigurationKeys.HADOOP_SECURITY_AUTHORIZATION, false)) { return true; } String remoteUser = request.getRemoteUser(); if (remoteUser == null) { return true; } AccessControlList adminsAcl = (AccessControlList) servletContext.getAttribute(ADMINS_ACL); UserGroupInformation remoteUserUGI = UserGroupInformation.createRemoteUser(remoteUser); if (adminsAcl != null) { if (!adminsAcl.isUserAllowed(remoteUserUGI)) { response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "User " + remoteUser + " is unauthorized to access this page. " + "AccessControlList for accessing this page : " + adminsAcl.toString()); return false; } } return true; }
From source file:com.concursive.connect.web.portal.PortletManager.java
private static synchronized boolean checkServicesRegistry(ServletContext context, ApplicationPrefs prefs) { if (!prefs.has("CONCURSIVE_SERVICES.SERVER")) { context.setAttribute("isConsumerRegistered", "false"); return false; }/*from ww w . ja v a 2 s .com*/ boolean isConsumerRegistered = StringUtils.isTrue((String) context.getAttribute("isConsumerRegistered")); if (!isConsumerRegistered) { //load the WSRP producer information try { String wsrpServer = prefs.get(ApplicationPrefs.CONCURSIVE_SERVICES_SERVER); String markupURL = wsrpServer + "/services/WSRPBaseService"; String serviceDescriptionURL = wsrpServer + "/services/WSRPServiceDescriptionService"; String registrationURL = wsrpServer + "/services/WSRPRegistrationService"; String portletManagementURL = wsrpServer + "/services/WSRPPortletManagementService"; String consumerName = prefs.get(ApplicationPrefs.CONCURSIVE_SERVICES_ID); String consumerCode = prefs.get(ApplicationPrefs.CONCURSIVE_SERVICES_KEY); String consumerAgent = ApplicationVersion.TITLE + " " + ApplicationVersion.VERSION; ProducerImpl producer = new ProducerImpl(PortletManager.CONCURSIVE_WSRP_PRODUCER_ID, markupURL, serviceDescriptionURL); //ID and misc info producer.setID(PortletManager.CONCURSIVE_WSRP_PRODUCER_ID); //WSRP registration interface producer.setRegistrationInterfaceEndpoint(registrationURL); //WSRP portlet management interface producer.setPortletManagementInterfaceEndpoint(portletManagementURL); //Registration RegistrationData registrationData = new RegistrationData(); registrationData.setConsumerName(consumerName); registrationData.setConsumerAgent(consumerAgent); registrationData.setRegistrationProperties(new Property[2]); //Send the services key as a registration property; Server will authorize by enforcing a valid key Property key = new Property(); key.setName(ApplicationPrefs.CONCURSIVE_SERVICES_KEY); key.setStringValue(consumerCode); //Send the services key as a registration property; Server will authorize by enforcing a valid key Property sessions = new Property(); sessions.setName(ApplicationPrefs.CONSUMER_SESSION_SUPPORT); sessions.setStringValue("true"); registrationData.setRegistrationProperties(0, key); registrationData.setRegistrationProperties(1, sessions); //producer.setRegistrationData(registrationData); //Register the consumer with the remote producer LOG.info("Registering ConcourseConnect consumer with remote producer <" + wsrpServer + ">: " + producer.getID()); producer.register(registrationData); ProducerRegistry producerRegistry = ProducerRegistryImpl.getInstance(); producerRegistry.addProducer(producer); isConsumerRegistered = true; context.setAttribute("isConsumerRegistered", "true"); } catch (WSRPException e) { isConsumerRegistered = false; LOG.error("Unable to register the consumer with the remote WSRP producer"); context.setAttribute("isConsumerRegistered", "false"); } } return isConsumerRegistered; }
From source file:org.apache.hadoop.hdfs.server.namenode.FsckServlet.java
@SuppressWarnings("unchecked") public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { Map<String, String[]> pmap = request.getParameterMap(); ServletContext context = getServletContext(); NameNode nn = (NameNode) context.getAttribute("name.node"); Configuration conf = (Configuration) context.getAttribute("name.conf"); NamenodeFsck fscker = new NamenodeFsck(conf, nn, pmap, response); fscker.fsck();/*from w w w . java 2 s . c o m*/ }
From source file:net.sourceforge.vulcan.web.struts.plugin.SpringMessageResourcesPlugIn.java
@Override protected void onInit() throws ServletException { final WebApplicationContext wac = getWacInternal(); final ServletContext context = getServletContextInternal(); if (context.getAttribute(Globals.MESSAGES_KEY) != null) { logger.warn("Overriding default MessageResources"); }//from ww w .j a va 2 s .c o m MessageResources messageResources = new MessageResources(null, null) { @Override public String getMessage(Locale locale, String key) { return wac.getMessage(key, null, locale); } }; context.setAttribute(Globals.MESSAGES_KEY, messageResources); }
From source file:org.jasig.springframework.web.portlet.context.PortletContextLoaderListener.java
@Override public void contextInitialized(ServletContextEvent sce) { final ServletContext servletContext = sce.getServletContext(); if (servletContext.getAttribute( PortletApplicationContextUtils2.ROOT_PORTLET_APPLICATION_CONTEXT_LOADER_ATTRIBUTE) != null) { throw new IllegalStateException( "Cannot initialize root portlet ContextLoader context because there is already a root PortletContextLoader present - " + "check whether you have multiple PortletContextLoaderListener definitions in your web.xml!"); }//from w ww .java 2 s . c o m //Register the portlet context loader with the servlet context contextLoader = new PortletContextLoader(servletContext); servletContext.setAttribute( PortletApplicationContextUtils2.ROOT_PORTLET_APPLICATION_CONTEXT_LOADER_ATTRIBUTE, contextLoader); }