Example usage for javax.servlet ServletContext setAttribute

List of usage examples for javax.servlet ServletContext setAttribute

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Introduction

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

Prototype

public void setAttribute(String name, Object object);

Source Link

Document

Binds an object to a given attribute name in this ServletContext.

Usage

From source file:org.apache.struts.webapp.tiles.portal.UserMenuAction.java

/**
 * Get catalog of available menu entries.
 * This implementation creates catalog list from the provided menu bar 
 * entries.//from www .ja  v a  2  s  .  co m
 */
public static List getCatalog(ComponentContext context, HttpServletRequest request,
        ServletContext servletContext) throws ServletException {

    // Retrieve name used to store catalog in application context.
    // If not found, use default name
    String catalogName = (String) context.getAttribute(MENU_CATALOG_NAME_ATTRIBUTE);

    if (catalogName == null) {
        catalogName = DEFAULT_MENU_CATALOG_NAME;
    }

    // Get catalog from context
    List catalog = (List) servletContext.getAttribute(catalogName);

    // If not found, initialize it from provided default menu
    if (catalog == null) {
        Object menuBar = context.getAttribute(CATALOG_SETTING_ATTRIBUTE);
        if (menuBar == null) {
            throw new ServletException("Attribute '" + CATALOG_SETTING_ATTRIBUTE
                    + "' must be set. It define entries used in catalog");
        }

        catalog = new ArrayList();
        extractItems(catalog, menuBar, request, servletContext);
        if (catalog.size() == 0) {
            throw new ServletException("Can't initialize menu items catalog");
        }

        // save it for future use
        servletContext.setAttribute(catalogName, catalog);
    }

    return catalog;
}

From source file:org.apache.solr.security.KerberosPlugin.java

@VisibleForTesting
protected FilterConfig getInitFilterConfig(Map<String, Object> pluginConfig, boolean skipKerberosChecking) {
    Map<String, String> params = new HashMap();
    params.put("type", "kerberos");
    putParam(params, "kerberos.name.rules", NAME_RULES_PARAM, "DEFAULT");
    putParam(params, "token.valid", TOKEN_VALID_PARAM, "30");
    putParam(params, "cookie.path", COOKIE_PATH_PARAM, "/");
    if (!skipKerberosChecking) {
        putParam(params, "kerberos.principal", PRINCIPAL_PARAM, null);
        putParam(params, "kerberos.keytab", KEYTAB_PARAM, null);
    } else {//  w ww  .  j  a v a 2  s . co m
        putParamOptional(params, "kerberos.principal", PRINCIPAL_PARAM);
        putParamOptional(params, "kerberos.keytab", KEYTAB_PARAM);
    }

    String delegationTokenStr = System.getProperty(DELEGATION_TOKEN_ENABLED, null);
    boolean delegationTokenEnabled = (delegationTokenStr == null) ? false
            : Boolean.parseBoolean(delegationTokenStr);
    ZkController controller = coreContainer.getZkController();

    if (delegationTokenEnabled) {
        putParam(params, "delegation-token.token-kind", DELEGATION_TOKEN_KIND, DELEGATION_TOKEN_TYPE_DEFAULT);
        if (coreContainer.isZooKeeperAware()) {
            putParam(params, "signer.secret.provider", DELEGATION_TOKEN_SECRET_PROVIDER, "zookeeper");
            if ("zookeeper".equals(params.get("signer.secret.provider"))) {
                String zkHost = controller.getZkServerAddress();
                putParam(params, "token.validity", DELEGATION_TOKEN_VALIDITY, "36000");
                params.put("zk-dt-secret-manager.enable", "true");

                String chrootPath = zkHost.contains("/") ? zkHost.substring(zkHost.indexOf("/")) : "";
                String znodeWorkingPath = chrootPath + SecurityAwareZkACLProvider.SECURITY_ZNODE_PATH
                        + "/zkdtsm";
                // Note - Curator complains if the znodeWorkingPath starts with /
                znodeWorkingPath = znodeWorkingPath.startsWith("/") ? znodeWorkingPath.substring(1)
                        : znodeWorkingPath;
                putParam(params, "zk-dt-secret-manager.znodeWorkingPath",
                        DELEGATION_TOKEN_SECRET_MANAGER_ZNODE_WORKING_PATH, znodeWorkingPath);
                putParam(params, "signer.secret.provider.zookeeper.path",
                        DELEGATION_TOKEN_SECRET_PROVIDER_ZK_PATH, "/token");
                // ensure krb5 is setup properly before running curator
                getHttpClientBuilder(SolrHttpClientBuilder.create());
            }
        } else {
            log.info("CoreContainer is not ZooKeeperAware, not setting ZK-related delegation token properties");
        }
    }

    // Special handling for the "cookie.domain" based on whether port should be
    // appended to the domain. Useful for situations where multiple solr nodes are
    // on the same host.
    String usePortStr = System.getProperty(COOKIE_PORT_AWARE_PARAM, null);
    boolean needPortAwareCookies = (usePortStr == null) ? false : Boolean.parseBoolean(usePortStr);

    if (!needPortAwareCookies || !coreContainer.isZooKeeperAware()) {
        putParam(params, "cookie.domain", COOKIE_DOMAIN_PARAM, null);
    } else { // we need port aware cookies and we are in SolrCloud mode.
        String host = System.getProperty(COOKIE_DOMAIN_PARAM, null);
        if (host == null) {
            throw new SolrException(ErrorCode.SERVER_ERROR,
                    "Missing required parameter '" + COOKIE_DOMAIN_PARAM + "'.");
        }
        int port = controller.getHostPort();
        params.put("cookie.domain", host + ":" + port);
    }

    // check impersonator config
    for (Enumeration e = System.getProperties().propertyNames(); e.hasMoreElements();) {
        String key = e.nextElement().toString();
        if (key.startsWith(IMPERSONATOR_PREFIX)) {
            if (!delegationTokenEnabled) {
                throw new SolrException(ErrorCode.SERVER_ERROR,
                        "Impersonator configuration requires delegation tokens to be enabled: " + key);
            }
            params.put(key, System.getProperty(key));
        }
    }
    final ServletContext servletContext = new AttributeOnlyServletContext();
    if (controller != null) {
        servletContext.setAttribute(DELEGATION_TOKEN_ZK_CLIENT, controller.getZkClient());
    }
    if (delegationTokenEnabled) {
        kerberosFilter = new DelegationTokenKerberosFilter();
        // pass an attribute-enabled context in order to pass the zkClient
        // and because the filter may pass a curator instance.
    } else {
        kerberosFilter = new KerberosFilter();
    }
    log.info("Params: " + params);

    FilterConfig conf = new FilterConfig() {
        @Override
        public ServletContext getServletContext() {
            return servletContext;
        }

        @Override
        public Enumeration<String> getInitParameterNames() {
            return new IteratorEnumeration(params.keySet().iterator());
        }

        @Override
        public String getInitParameter(String param) {
            return params.get(param);
        }

        @Override
        public String getFilterName() {
            return "KerberosFilter";
        }
    };

    return conf;
}

From source file:com.ikon.servlet.admin.LanguageServlet.java

/**
 * List languages/*from www. ja  va  2 s  .  c  o m*/
 * 
 * Translations reference is english
 */
private void list(String userId, HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException, DatabaseException {
    log.debug("list({}, {}, {})", new Object[] { userId, request, response });
    ServletContext sc = getServletContext();
    sc.setAttribute("langs", LanguageDAO.findAll());
    sc.setAttribute("max", LanguageDAO.findByPk(Language.DEFAULT).getTranslations().size());
    sc.getRequestDispatcher("/admin/language_list.jsp").forward(request, response);
    log.debug("list: void");
}

From source file:com.ikon.servlet.admin.LanguageServlet.java

/**
 * Create language// ww  w  .java 2  s.  c  o  m
 */
private void create(String userId, HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException, DatabaseException {
    log.debug("edit({}, {}, {})", new Object[] { userId, request, response });

    ServletContext sc = getServletContext();
    sc.setAttribute("action", WebUtils.getString(request, "action"));
    sc.setAttribute("persist", true);
    sc.setAttribute("lg", null);
    sc.getRequestDispatcher("/admin/language_edit.jsp").forward(request, response);

    log.debug("edit: void");
}

From source file:com.ikon.servlet.admin.OmrServlet.java

/**
 * New omr template//w  w  w . ja  va2 s. c om
 */
private void create(String userId, HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException, DatabaseException, ParseException, RepositoryException {
    log.debug("create({}, {}, {})", new Object[] { userId, request, response });
    ServletContext sc = getServletContext();
    Omr om = new Omr();
    sc.setAttribute("action", WebUtils.getString(request, "action"));
    sc.setAttribute("om", om);
    sc.setAttribute("properties", PropertyGroupUtils.getAllGroupsProperties());
    sc.getRequestDispatcher("/admin/omr_edit.jsp").forward(request, response);
    log.debug("create: void");
}

From source file:com.ikon.servlet.admin.LanguageServlet.java

/**
 * Create language//  w w  w .ja v  a  2  s  .  c  o  m
 */
private void addTranslation(String userId, HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException, DatabaseException {
    log.debug("addTranslation({}, {}, {})", new Object[] { userId, request, response });

    if (WebUtils.getBoolean(request, "persist")) {
        Language lang = LanguageDAO.findByPk(Language.DEFAULT);
        Translation trans = new Translation();
        trans.getTranslationId().setModule(WebUtils.getString(request, "tr_module"));
        trans.getTranslationId().setKey(WebUtils.getString(request, "tr_key"));
        trans.getTranslationId().setLanguage(lang.getId());
        trans.setText(WebUtils.getString(request, "tr_text"));
        lang.getTranslations().add(trans);
        LanguageDAO.update(lang);
    }

    List<String> modules = new ArrayList<String>();
    modules.add(Translation.MODULE_FRONTEND);
    modules.add(Translation.MODULE_EXTENSION);
    modules.add(Translation.MODULE_ADMINISTRATION);
    ServletContext sc = getServletContext();
    sc.setAttribute("action", WebUtils.getString(request, "action"));
    sc.setAttribute("persist", true);
    sc.setAttribute("tr_module", modules);
    sc.setAttribute("tr_key", "");
    sc.setAttribute("tr_text", "");
    sc.setAttribute("lang", LanguageDAO.findByPk(Language.DEFAULT));
    sc.getRequestDispatcher("/admin/translation_add.jsp").forward(request, response);

    log.debug("addTranslation: void");
}

From source file:org.sindice.analytics.servlet.ServletConfigurationContextListener.java

private void addToContext(ServletContext context, Map map) {
    for (Object key : map.keySet()) {
        if (context.getAttribute(key.toString()) == null) {
            context.setAttribute(key.toString(), map.get(key));
        }//from  w w  w.j  av a2  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  w w  w. java  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.apache.myfaces.shared.util.StateUtils.java

/**
 * Does nothing if the user has disabled the SecretKey cache. This is
 * useful when dealing with a JCA provider whose SecretKey 
 * implementation is not thread safe.//from   w  ww .  j  a v  a 2 s  . com
 * 
 * Instantiates a SecretKey instance based upon what the user has 
 * specified in the deployment descriptor.  The SecretKey is then 
 * stored in application scope where it can be used for all requests.
 */

public static void initSecret(ServletContext ctx) {

    if (ctx == null) {
        throw new NullPointerException("ServletContext ctx");
    }

    if (log.isLoggable(Level.FINE)) {
        log.fine("Storing SecretKey @ " + INIT_SECRET_KEY_CACHE);
    }

    // Create and store SecretKey on application scope
    String cache = ctx.getInitParameter(INIT_SECRET_KEY_CACHE);

    if (cache == null) {
        cache = ctx.getInitParameter(INIT_SECRET_KEY_CACHE.toLowerCase());
    }

    if (!"false".equals(cache)) {
        String algorithm = findAlgorithm(ctx);
        // you want to create this as few times as possible
        ctx.setAttribute(INIT_SECRET_KEY_CACHE, new SecretKeySpec(findSecret(ctx, algorithm), algorithm));
    }

    if (log.isLoggable(Level.FINE)) {
        log.fine("Storing SecretKey @ " + INIT_MAC_SECRET_KEY_CACHE);
    }

    String macCache = ctx.getInitParameter(INIT_MAC_SECRET_KEY_CACHE);

    if (macCache == null) {
        macCache = ctx.getInitParameter(INIT_MAC_SECRET_KEY_CACHE.toLowerCase());
    }

    if (!"false".equals(macCache)) {
        String macAlgorithm = findMacAlgorithm(ctx);
        // init mac secret and algorithm 
        ctx.setAttribute(INIT_MAC_SECRET_KEY_CACHE,
                new SecretKeySpec(findMacSecret(ctx, macAlgorithm), macAlgorithm));
    }
}