Example usage for javax.servlet FilterRegistration.Dynamic setInitParameter

List of usage examples for javax.servlet FilterRegistration.Dynamic setInitParameter

Introduction

In this page you can find the example usage for javax.servlet FilterRegistration.Dynamic setInitParameter.

Prototype

public boolean setInitParameter(String name, String value);

Source Link

Document

Sets the initialization parameter with the given name and value on the Servlet or Filter that is represented by this Registration.

Usage

From source file:com.jsmartframework.web.manager.ContextControl.java

@Override
@SuppressWarnings("unchecked")
public void contextInitialized(ServletContextEvent event) {
    try {/*from www  .j  ava 2 s .c  om*/
        ServletContext servletContext = event.getServletContext();

        CONFIG.init(servletContext);
        if (CONFIG.getContent() == null) {
            throw new RuntimeException("Configuration file " + Constants.WEB_CONFIG_XML
                    + " was not found in WEB-INF resources folder!");
        }

        String contextConfigLocation = "com.jsmartframework.web.manager";
        if (CONFIG.getContent().getPackageScan() != null) {
            contextConfigLocation += "," + CONFIG.getContent().getPackageScan();
        }

        // Configure necessary parameters in the ServletContext to set Spring configuration without needing an XML file
        AnnotationConfigWebApplicationContext configWebAppContext = new AnnotationConfigWebApplicationContext();
        configWebAppContext.setConfigLocation(contextConfigLocation);

        CONTEXT_LOADER = new ContextLoader(configWebAppContext);
        CONTEXT_LOADER.initWebApplicationContext(servletContext);

        TagEncrypter.init();
        TEXTS.init();
        IMAGES.init(servletContext);
        HANDLER.init(servletContext);

        // ServletControl -> @MultipartConfig @WebServlet(name = "ServletControl", displayName = "ServletControl", loadOnStartup = 1)
        Servlet servletControl = servletContext.createServlet(
                (Class<? extends Servlet>) Class.forName("com.jsmartframework.web.manager.ServletControl"));
        ServletRegistration.Dynamic servletControlReg = (ServletRegistration.Dynamic) servletContext
                .addServlet("ServletControl", servletControl);
        servletControlReg.setAsyncSupported(true);
        servletControlReg.setLoadOnStartup(1);

        // ServletControl Initial Parameters
        InitParam[] initParams = CONFIG.getContent().getInitParams();
        if (initParams != null) {
            for (InitParam initParam : initParams) {
                servletControlReg.setInitParameter(initParam.getName(), initParam.getValue());
            }
        }

        // MultiPart to allow file upload on ServletControl
        MultipartConfigElement multipartElement = getServletMultipartElement();
        if (multipartElement != null) {
            servletControlReg.setMultipartConfig(multipartElement);
        }

        // Security constraint to ServletControl
        ServletSecurityElement servletSecurityElement = getServletSecurityElement(servletContext);
        if (servletSecurityElement != null) {
            servletControlReg.setServletSecurity(servletSecurityElement);
        }

        // TODO: Fix problem related to authentication by container to use SSL dynamically (Maybe create more than one servlet for secure and non-secure patterns)
        // Check also the use of request.login(user, pswd)
        // Check the HttpServletRequest.BASIC_AUTH, CLIENT_CERT_AUTH, FORM_AUTH, DIGEST_AUTH
        // servletReg.setRunAsRole("admin");
        // servletContext.declareRoles("admin");

        // ServletControl URL mapping
        String[] servletMapping = getServletMapping();
        servletControlReg.addMapping(servletMapping);

        // ErrorFilter -> @WebFilter(urlPatterns = {"/*"})
        Filter errorFilter = servletContext.createFilter(
                (Class<? extends Filter>) Class.forName("com.jsmartframework.web.filter.ErrorFilter"));
        FilterRegistration.Dynamic errorFilterReg = (FilterRegistration.Dynamic) servletContext
                .addFilter("ErrorFilter", errorFilter);

        errorFilterReg.setAsyncSupported(true);
        errorFilterReg.addMappingForUrlPatterns(
                EnumSet.of(DispatcherType.REQUEST, DispatcherType.FORWARD, DispatcherType.ERROR), true, "/*");

        // EncodeFilter -> @WebFilter(urlPatterns = {"/*"})
        Filter encodeFilter = servletContext.createFilter(
                (Class<? extends Filter>) Class.forName("com.jsmartframework.web.filter.EncodeFilter"));
        FilterRegistration.Dynamic encodeFilterReg = (FilterRegistration.Dynamic) servletContext
                .addFilter("EncodeFilter", encodeFilter);

        encodeFilterReg.setAsyncSupported(true);
        encodeFilterReg.addMappingForUrlPatterns(EnumSet.of(DispatcherType.REQUEST, DispatcherType.ERROR), true,
                "/*");

        // CacheFilter -> @WebFilter(urlPatterns = {"/*"})
        Filter cacheFilter = servletContext.createFilter(
                (Class<? extends Filter>) Class.forName("com.jsmartframework.web.filter.CacheFilter"));
        FilterRegistration.Dynamic cacheFilterReg = (FilterRegistration.Dynamic) servletContext
                .addFilter("CacheFilter", cacheFilter);

        cacheFilterReg.setAsyncSupported(true);
        cacheFilterReg.addMappingForUrlPatterns(EnumSet.of(DispatcherType.REQUEST, DispatcherType.ERROR), true,
                "/*");

        // Add custom filters defined by client
        for (String filterName : sortCustomFilters()) {
            Filter customFilter = servletContext
                    .createFilter((Class<? extends Filter>) HANDLER.webFilters.get(filterName));
            HANDLER.executeInjection(customFilter);

            WebFilter webFilter = customFilter.getClass().getAnnotation(WebFilter.class);
            FilterRegistration.Dynamic customFilterReg = (FilterRegistration.Dynamic) servletContext
                    .addFilter(filterName, customFilter);

            if (webFilter.initParams() != null) {
                for (WebInitParam initParam : webFilter.initParams()) {
                    customFilterReg.setInitParameter(initParam.name(), initParam.value());
                }
            }
            customFilterReg.setAsyncSupported(webFilter.asyncSupported());
            customFilterReg.addMappingForUrlPatterns(EnumSet.copyOf(Arrays.asList(webFilter.dispatcherTypes())),
                    true, webFilter.urlPatterns());
        }

        // FilterControl -> @WebFilter(servletNames = {"ServletControl"})
        Filter filterControl = servletContext.createFilter(
                (Class<? extends Filter>) Class.forName("com.jsmartframework.web.manager.FilterControl"));
        FilterRegistration.Dynamic filterControlReg = (FilterRegistration.Dynamic) servletContext
                .addFilter("FilterControl", filterControl);

        filterControlReg.setAsyncSupported(true);
        filterControlReg.addMappingForServletNames(EnumSet.of(DispatcherType.REQUEST, DispatcherType.FORWARD,
                DispatcherType.ERROR, DispatcherType.INCLUDE), true, "ServletControl");

        // OutputFilter -> @WebFilter(servletNames = {"ServletControl"})
        Filter outputFilter = servletContext.createFilter(
                (Class<? extends Filter>) Class.forName("com.jsmartframework.web.manager.OutputFilter"));
        FilterRegistration.Dynamic outputFilterReg = (FilterRegistration.Dynamic) servletContext
                .addFilter("OutputFilter", outputFilter);

        outputFilterReg.setAsyncSupported(true);
        outputFilterReg.addMappingForServletNames(EnumSet.of(DispatcherType.REQUEST, DispatcherType.FORWARD,
                DispatcherType.ERROR, DispatcherType.INCLUDE), true, "ServletControl");

        // AsyncFilter -> @WebFilter(servletNames = {"ServletControl"})
        // Filter used case AsyncContext is dispatched internally by AsyncBean implementation
        Filter asyncFilter = servletContext.createFilter(
                (Class<? extends Filter>) Class.forName("com.jsmartframework.web.manager.AsyncFilter"));
        FilterRegistration.Dynamic asyncFilterReg = (FilterRegistration.Dynamic) servletContext
                .addFilter("AsyncFilter", asyncFilter);

        asyncFilterReg.setAsyncSupported(true);
        asyncFilterReg.addMappingForServletNames(EnumSet.of(DispatcherType.ASYNC), true, "ServletControl");

        // SessionControl -> @WebListener
        EventListener sessionListener = servletContext.createListener((Class<? extends EventListener>) Class
                .forName("com.jsmartframework.web.manager.SessionControl"));
        servletContext.addListener(sessionListener);

        // RequestControl -> @WebListener
        EventListener requestListener = servletContext.createListener((Class<? extends EventListener>) Class
                .forName("com.jsmartframework.web.manager.RequestControl"));
        servletContext.addListener(requestListener);

        // Custom WebServlet -> Custom Servlets created by application
        for (String servletName : HANDLER.webServlets.keySet()) {
            Servlet customServlet = servletContext
                    .createServlet((Class<? extends Servlet>) HANDLER.webServlets.get(servletName));
            HANDLER.executeInjection(customServlet);

            WebServlet webServlet = customServlet.getClass().getAnnotation(WebServlet.class);
            ServletRegistration.Dynamic customReg = (ServletRegistration.Dynamic) servletContext
                    .addServlet(servletName, customServlet);

            customReg.setLoadOnStartup(webServlet.loadOnStartup());
            customReg.setAsyncSupported(webServlet.asyncSupported());

            WebInitParam[] customInitParams = webServlet.initParams();
            if (customInitParams != null) {
                for (WebInitParam customInitParam : customInitParams) {
                    customReg.setInitParameter(customInitParam.name(), customInitParam.value());
                }
            }

            // Add mapping url for custom servlet
            customReg.addMapping(webServlet.urlPatterns());

            if (customServlet.getClass().isAnnotationPresent(MultipartConfig.class)) {
                customReg.setMultipartConfig(new MultipartConfigElement(
                        customServlet.getClass().getAnnotation(MultipartConfig.class)));
            }
        }

        // Controller Dispatcher for Spring MVC
        Set<String> requestPaths = HANDLER.requestPaths.keySet();
        if (!requestPaths.isEmpty()) {
            ServletRegistration.Dynamic mvcDispatcherReg = servletContext.addServlet("DispatcherServlet",
                    new DispatcherServlet(configWebAppContext));
            mvcDispatcherReg.setLoadOnStartup(1);
            mvcDispatcherReg.addMapping(requestPaths.toArray(new String[requestPaths.size()]));

            // RequestPathFilter -> @WebFilter(servletNames = {"DispatcherServlet"})
            Filter requestPathFilter = servletContext.createFilter((Class<? extends Filter>) Class
                    .forName("com.jsmartframework.web.manager.RequestPathFilter"));
            FilterRegistration.Dynamic reqPathFilterReg = (FilterRegistration.Dynamic) servletContext
                    .addFilter("RequestPathFilter", requestPathFilter);

            reqPathFilterReg.addMappingForServletNames(EnumSet.of(DispatcherType.REQUEST,
                    DispatcherType.FORWARD, DispatcherType.ERROR, DispatcherType.INCLUDE, DispatcherType.ASYNC),
                    true, "DispatcherServlet");
        }
    } catch (Exception ex) {
        throw new RuntimeException(ex);
    }
}

From source file:org.pidster.tomcat.websocket.jmx.WebSocketJMXInitializer.java

@Override
public void onStartup(Set<Class<?>> c, ServletContext ctx) throws ServletException {

    // Allows the path of the Servlet & Filter to be configurable
    // relative to the web application's own path
    String path = System.getProperty("org.pidster.tomcat.websocket.jmx.path", "/jmx");

    log.info("Registering " + WebSocketJMXResourceFilter.class.getName() + ", with paths: " + path);
    FilterRegistration.Dynamic freg = ctx.addFilter(WebSocketJMXResourceFilter.class.getSimpleName(),
            WebSocketJMXResourceFilter.class);
    freg.addMappingForUrlPatterns(EnumSet.of(DispatcherType.REQUEST), true, path + "/*");
    freg.setInitParameter("path", path);

    String wspath = path + "/connect";

    log.info("Registering " + WebSocketJMXServlet.class.getName() + ", with path: " + wspath);
    ServletRegistration.Dynamic wreg = ctx.addServlet(WebSocketJMXServlet.class.getSimpleName(),
            WebSocketJMXServlet.class);
    wreg.addMapping(wspath);//  ww  w.  j  a  v  a 2s  .co m
    wreg.setInitParameter("path", path);

}