Example usage for org.springframework.web.servlet FrameworkServlet SERVLET_CONTEXT_PREFIX

Introduction

In this page you can find the example usage for org.springframework.web.servlet FrameworkServlet SERVLET_CONTEXT_PREFIX.

Prototype

String SERVLET_CONTEXT_PREFIX

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Document

Prefix for the ServletContext attribute for the WebApplicationContext.

Usage

From source file:org.shredzone.commons.taglib.proxy.AbstractTagProxy.java

/**
 * Gets the {@link BeanFactory} from the given {@link JspContext}. The default
 * implementation automagically finds a {@link BeanFactory} that was previously set by
 * a {@link FrameworkServlet}. The result is cached.
 *
 * @param jspContext// w  w  w  .ja va  2 s.c  o m
 *            {@link JspContext} to be used
 * @return {@link BeanFactory} found
 */
@SuppressWarnings("unchecked")
protected BeanFactory getBeanFactory(JspContext jspContext) {
    Object bfCache = jspContext.getAttribute(TAGPROXY_BEANFACTORY_CACHE, PageContext.APPLICATION_SCOPE);
    if (bfCache != null && bfCache instanceof BeanFactory) {
        return (BeanFactory) bfCache;
    }

    Enumeration<String> en = jspContext.getAttributeNamesInScope(PageContext.APPLICATION_SCOPE);
    while (en.hasMoreElements()) {
        String attribute = en.nextElement();
        if (attribute.startsWith(FrameworkServlet.SERVLET_CONTEXT_PREFIX)) {
            Object bf = jspContext.getAttribute(attribute, PageContext.APPLICATION_SCOPE);
            if (bf != null && bf instanceof BeanFactory) {
                BeanFactory bfBean = (BeanFactory) bf;
                jspContext.setAttribute(TAGPROXY_BEANFACTORY_CACHE, bfBean, PageContext.APPLICATION_SCOPE);
                return bfBean;
            }
        }
    }

    throw new IllegalStateException(
            "Could not find a BeanFactory. Use a FrameworkServlet or @BeanFactoryReference.");
}

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From source file:com.mtgi.analytics.servlet.BehaviorTrackingListener.java

private synchronized void checkInit(ServletRequestEvent event) {
    if (!initialized) {

        ServletContext context = event.getServletContext();
        boolean hasFilter = BehaviorTrackingFilter.isFiltered(context);
        ArrayList<ServletRequestBehaviorTrackingAdapter> beans = new ArrayList<ServletRequestBehaviorTrackingAdapter>();

        //find registered request adapters in all mvc servlet contexts.
        for (Enumeration<?> atts = context.getAttributeNames(); atts.hasMoreElements();) {
            String name = (String) atts.nextElement();
            if (name.startsWith(FrameworkServlet.SERVLET_CONTEXT_PREFIX)) {
                Object value = context.getAttribute(name);
                if (value instanceof ListableBeanFactory)
                    addRequestAdapters(beans, (ListableBeanFactory) value, hasFilter);
            }/*from  w  w w  . j  a v a2  s .  c  o  m*/
        }

        //look for shared application context, loaded by ContextLoaderListener.
        ListableBeanFactory parent = WebApplicationContextUtils.getWebApplicationContext(context);
        if (parent != null)
            addRequestAdapters(beans, parent, hasFilter);

        if (!beans.isEmpty()) {
            adapters = beans.toArray(new ServletRequestBehaviorTrackingAdapter[beans.size()]);
            log.info("BehaviorTracking for HTTP servlet requests started");
        }

        initialized = true;
    }
}

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From source file:org.hdiv.config.multipart.SpringMVCMultipartConfig.java

/**
 * Obtain MultipartResolver instance for this application.
 * /*  w  w  w .  j  ava2  s.co  m*/
 * @param servletContext
 *            app ServletContext
 * @return MultipartResolver instance
 */
@SuppressWarnings("rawtypes")
protected MultipartResolver lookupMultipartResolver(ServletContext servletContext) {

    MultipartResolver resolver = null;

    if (this.webApplicationContext == null) {
        this.webApplicationContext = WebApplicationContextUtils.getWebApplicationContext(servletContext);
    }

    try {
        resolver = this.webApplicationContext.getBean(MULTIPART_RESOLVER_BEAN_NAME, MultipartResolver.class);
        if (resolver != null) {
            return resolver;
        }
    } catch (NoSuchBeanDefinitionException ex) {
        // No MultipartResolver in this context.
    }

    if (resolver == null) {
        Enumeration e = servletContext.getAttributeNames();
        while (e.hasMoreElements()) {
            String name = (String) e.nextElement();
            if (name.startsWith(FrameworkServlet.SERVLET_CONTEXT_PREFIX)) {
                this.webApplicationContext = WebApplicationContextUtils.getWebApplicationContext(servletContext,
                        name);
                break;
            }
        }
    }

    if (this.webApplicationContext != null) {
        try {
            resolver = this.webApplicationContext.getBean(MULTIPART_RESOLVER_BEAN_NAME,
                    MultipartResolver.class);
        } catch (NoSuchBeanDefinitionException ex) {
            // No MultipartResolver in this context.
        }
    }

    if (log.isDebugEnabled() && resolver == null) {
        log.debug("Cant find MultipartResolver on any context.");
    }

    return resolver;
}

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