Examples with CacheManager com.sun.appserv.web.cache.CacheManager used on opensource projects

Example 1 with CacheManager

use of com.sun.appserv.web.cache.CacheManager in project Payara by payara.

the class CacheModule method configureResponseCache.

/**
 * configure ias-web response cache
 * @param app WebModule containing the cache
 * @param bean ias-web app config bean
 * @throws Exception
 *
 * read the configuration and setup the runtime support for caching in a
 * application.
 */
public static CacheManager configureResponseCache(WebModule app, SunWebApp bean) throws Exception {
    Cache cacheConfig = ((SunWebAppImpl) bean).getCache();
    // is cache configured?
    if (cacheConfig == null) {
        return null;
    }
    if (logger.isLoggable(Level.FINE)) {
        logger.log(Level.FINE, LogFacade.CONFIGURE_CACHE, app.getPath());
    }
    // create the CacheManager object for this app
    CacheManager manager = new CacheManager();
    String name, value;
    value = cacheConfig.getAttributeValue(Cache.ENABLED);
    if (value != null) {
        boolean enabled = ConfigBeansUtilities.toBoolean(value);
        manager.setEnabled(enabled);
    }
    // set cache element's attributes and properties
    value = cacheConfig.getAttributeValue(Cache.MAX_ENTRIES);
    if (value != null) {
        try {
            int maxEntries = Integer.parseInt(value.trim());
            manager.setMaxEntries(maxEntries);
        } catch (NumberFormatException e) {
            // XXX need error message
            throw new Exception("invalid max-entries", e);
        }
    }
    value = cacheConfig.getAttributeValue(Cache.TIMEOUT_IN_SECONDS);
    if (value != null) {
        try {
            int defaultTimeout = Integer.parseInt(value.trim());
            manager.setDefaultTimeout(defaultTimeout);
        } catch (NumberFormatException e) {
            // XXX need error message
            throw new Exception("invalid timeout", e);
        }
    }
    WebProperty[] props = cacheConfig.getWebProperty();
    for (int i = 0; i < props.length; i++) {
        name = props[i].getAttributeValue(WebProperty.NAME);
        value = props[i].getAttributeValue(WebProperty.VALUE);
        manager.addProperty(name, value);
    }
    // configure the default cache-helper
    DefaultHelper defHelperConfig = cacheConfig.getDefaultHelper();
    HashMap<String, String> map = new HashMap<String, String>();
    if (defHelperConfig != null) {
        props = defHelperConfig.getWebProperty();
        for (int i = 0; i < props.length; i++) {
            name = props[i].getAttributeValue(WebProperty.NAME);
            value = props[i].getAttributeValue(WebProperty.VALUE);
            map.put(name, value);
        }
    }
    manager.setDefaultHelperProps(map);
    // configure custom cache-helper classes
    for (int i = 0; i < cacheConfig.sizeCacheHelper(); i++) {
        CacheHelper helperConfig = cacheConfig.getCacheHelper(i);
        String helperName = helperConfig.getAttributeValue(CacheHelper.NAME);
        HashMap<String, String> helperProps = new HashMap<String, String>();
        props = helperConfig.getWebProperty();
        for (int j = 0; j < props.length; j++) {
            name = props[i].getAttributeValue(WebProperty.NAME);
            value = props[i].getAttributeValue(WebProperty.VALUE);
            helperProps.put(name, value);
        }
        helperProps.put("class-name", helperConfig.getAttributeValue(CacheHelper.CLASS_NAME));
        manager.addCacheHelperDef(helperName, helperProps);
    }
    // for each cache-mapping, create CacheMapping, setup the filter
    for (int i = 0; i < cacheConfig.sizeCacheMapping(); i++) {
        org.glassfish.web.deployment.runtime.CacheMapping mapConfig = cacheConfig.getCacheMapping(i);
        CacheMapping mapping = new CacheMapping();
        configureCacheMapping(mapConfig, mapping, logger);
        // use filter's name to refer to setup the filter
        String filterName = CACHING_FILTER_CLASSNAME + i;
        /**
         * all cache-mapings are indexed by the unique filter-name;
         * DefaultCacheHelper uses this name to access the mapping.
         */
        manager.addCacheMapping(filterName, mapping);
        // setup the ias CachingFilter definition with the context
        FilterDef filterDef = new FilterDef();
        filterDef.setFilterName(filterName);
        filterDef.setFilterClassName(CACHING_FILTER_CLASSNAME);
        if (mapping.getServletName() != null) {
            filterDef.addInitParameter("servletName", mapping.getServletName());
        }
        if (mapping.getURLPattern() != null) {
            filterDef.addInitParameter("URLPattern", mapping.getURLPattern());
        }
        app.addFilterDef(filterDef);
        // setup the mapping for the specified servlet-name or url-pattern
        FilterMap filterMap = new FilterMap();
        filterMap.setServletName(mapping.getServletName());
        filterMap.setURLPattern(mapping.getURLPattern());
        String[] dispatchers = mapConfig.getDispatcher();
        if (dispatchers != null) {
            EnumSet<DispatcherType> dispatcherTypes = null;
            for (String dispatcher : dispatchers) {
                // calls to FilterMap.setDispatcher are cumulative
                if (dispatcherTypes == null) {
                    dispatcherTypes = EnumSet.of(Enum.valueOf(DispatcherType.class, dispatcher));
                } else {
                    dispatcherTypes.add(Enum.valueOf(DispatcherType.class, dispatcher));
                }
            }
            filterMap.setDispatcherTypes(dispatcherTypes);
        }
        filterMap.setFilterName(filterName);
        app.addFilterMap(filterMap);
        if (logger.isLoggable(Level.FINE)) {
            logger.log(Level.FINE, LogFacade.CACHING_FILTER_ADDED, new Object[] { mapping.getServletName(), mapping.getURLPattern() });
        }
    }
    manager.setServletContext(app.getServletContext());
    return manager;
}

Example 2 with CacheManager

use of com.sun.appserv.web.cache.CacheManager in project Payara by payara.

the class CacheContextListener method contextInitialized.

/**
 * This is called when the context is created.
 */
public void contextInitialized(ServletContextEvent sce) {
    ServletContext context = sce.getServletContext();
    // see if a cache manager is already created and set in the context
    CacheManager cm = (CacheManager) context.getAttribute(CacheManager.CACHE_MANAGER_ATTR_NAME);
    // to create a new cache
    if (cm == null)
        cm = new CacheManager();
    Cache cache = null;
    try {
        cache = cm.createCache();
    } catch (Exception ex) {
    }
    // set the cache as a context attribute
    if (cache != null)
        context.setAttribute(Constants.JSPTAG_CACHE_KEY, cache);
}

Example 3 with CacheManager

use of com.sun.appserv.web.cache.CacheManager in project Payara by payara.

the class CacheRequestListener method requestInitialized.

/**
 * Receives notification that the request is about to enter the scope
 * of the web application, and adds newly created cache for JSP tag
 * body invocations as a request attribute.
 *
 * @param sre the notification event
 */
public void requestInitialized(ServletRequestEvent sre) {
    ServletContext context = sre.getServletContext();
    // Check if a cache manager has already been created and set in the
    // context
    CacheManager cm = (CacheManager) context.getAttribute(CacheManager.CACHE_MANAGER_ATTR_NAME);
    // to create a new cache
    if (cm == null) {
        cm = new CacheManager();
    }
    Cache cache = null;
    try {
        cache = cm.createCache();
    } catch (Exception ex) {
    }
    // Set the cache as a request attribute
    if (cache != null) {
        ServletRequest req = sre.getServletRequest();
        req.setAttribute(Constants.JSPTAG_CACHE_KEY, cache);
    }
}

Example 4 with CacheManager

use of com.sun.appserv.web.cache.CacheManager in project Payara by payara.

the class WebModuleListener method stopCacheManager.

private void stopCacheManager(WebModule webModule) {
    ServletContext ctxt = webModule.getServletContext();
    CacheManager cm = (CacheManager) ctxt.getAttribute(CacheManager.CACHE_MANAGER_ATTR_NAME);
    if (cm != null) {
        try {
            cm.stop();
            if (_logger.isLoggable(Level.FINE)) {
                _logger.log(Level.FINE, LogFacade.CACHE_MANAGER_STOPPED);
            }
            ctxt.removeAttribute(CacheManager.CACHE_MANAGER_ATTR_NAME);
        } catch (LifecycleException ee) {
            _logger.log(Level.WARNING, ee.getMessage(), ee.getCause());
        }
    }
}

Example 5 with CacheManager

use of com.sun.appserv.web.cache.CacheManager in project Payara by payara.

the class CacheSessionListener method sessionCreated.

/**
 * Receives notification that a session was created, and adds newly
 * created cache for JSP tag body invocations as a session attribute.
 *
 * @param hse the notification event
 */
public void sessionCreated(HttpSessionEvent hse) {
    HttpSession session = hse.getSession();
    ServletContext context = session.getServletContext();
    // Check if a cache manager has already been created and set in the
    // context
    CacheManager cm = (CacheManager) context.getAttribute(CacheManager.CACHE_MANAGER_ATTR_NAME);
    // to create a new cache
    if (cm == null) {
        cm = new CacheManager();
    }
    Cache cache = null;
    try {
        cache = cm.createCache();
    } catch (Exception ex) {
    }
    // Set the cache as a session attribute
    if (cache != null) {
        session.setAttribute(Constants.JSPTAG_CACHE_KEY, cache);
    }
}