Example usage for javax.servlet ServletContext getAttribute

Introduction

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

Prototype

public Object getAttribute(String name);

Source Link

Document

Returns the servlet container attribute with the given name, or null if there is no attribute by that name.

Usage

From source file:h2weibo.InitServlet.java

public JedisPool getPool(ServletContext context) {
    return (JedisPool) context.getAttribute(CONTEXT_JEDIS_POOL);
}

From source file:org.apache.hadoop.dfs.FsckServlet.java

@SuppressWarnings("unchecked")
public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    Map<String, String[]> pmap = request.getParameterMap();
    try {/*from w  ww .j  a v a  2s  .c  o  m*/
        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();
    } catch (IOException ie) {
        StringUtils.stringifyException(ie);
        LOG.warn(ie);
        String errMsg = "Fsck on path " + pmap.get("path") + " failed.";
        response.sendError(HttpServletResponse.SC_GONE, errMsg);
        throw ie;
    }
}

From source file:org.apache.hadoop.dfs.DfsServlet.java

/**
 * Create a {@link NameNode} proxy from the current {@link ServletContext}. 
 *//*from   w w w .  ja  v a2 s.c  o m*/
protected ClientProtocol createNameNodeProxy(UnixUserGroupInformation ugi) throws IOException {
    ServletContext context = getServletContext();
    NameNode nn = (NameNode) context.getAttribute("name.node");
    Configuration conf = new Configuration((Configuration) context.getAttribute("name.conf"));
    UnixUserGroupInformation.saveToConf(conf, UnixUserGroupInformation.UGI_PROPERTY_NAME, ugi);
    return DFSClient.createNamenode(nn.getNameNodeAddress(), conf);
}

From source file:com.legstar.host.servlet.ContextListener.java

/** {@inheritDoc}*/
public void contextDestroyed(final ServletContextEvent event) {
    ServletContext context = event.getServletContext();
    EngineHandler engineHandler = (EngineHandler) context.getAttribute(InitiatorServlet.ENGINE_HANDLER_ID);
    if (engineHandler != null) {
        engineHandler.stop();/*  w w  w  . j  a va 2  s .c om*/
    }
    _log.info("LegStar engine context destroyed");
}

From source file:org.apache.dubbo.config.spring.initializer.DubboContextListener.java

@Override
public void contextInitialized(ServletContextEvent servletContextEvent) {
    if (springContextListener != null) {
        // if spring context listener has already been registered, then do nothing
        ServletContext context = servletContextEvent.getServletContext();
        if (context.getAttribute(SPRING_CONTEXT_ROOT) == null) {
            executed = true;/*from  ww  w  .  ja  v a2s. com*/
            springContextListener.contextInitialized(servletContextEvent);
        }
    }
}

From source file:org.spirit.spring.BotListUserSessionListener.java

private ApplicationContext getWebApplicationContext(HttpSessionEvent httpSessionEvent) {
    final HttpSession session = httpSessionEvent.getSession();
    final ServletContext sc = session.getServletContext();
    return (ApplicationContext) sc.getAttribute(CONTEXT_BOTLIST);
}

From source file:org.acoustid.server.ApplicationContextListener.java

@Override
public void contextDestroyed(ServletContextEvent event) {
    ServletContext servletContext = event.getServletContext();
    Injector injector = (Injector) servletContext.getAttribute(INJECTOR_ATTRIBUTE_NAME);
    if (injector == null) {
        logger.warn("Injector not found");
        return;/*from  w w w.  ja  v a 2s .  c o m*/
    }
    servletContext.removeAttribute(INJECTOR_ATTRIBUTE_NAME);

    ApplicationContext context = injector.getInstance(ApplicationContext.class);
    logger.debug("Closing application context " + context);
    context.close();
}

From source file:org.apache.hadoop.hdfsproxy.ProxyForwardServlet.java

/** {@inheritDoc} */
@Override//from ww  w.java2 s  .  c  om
public void init() throws ServletException {
    ServletContext context = getServletContext();
    configuration = (Configuration) context.getAttribute("org.apache.hadoop.hdfsproxy.conf");
}

From source file:org.intermine.web.logic.session.SessionMethods.java

/**
 * Gets the blocking error codes from the servlet context.
 *
 * @param servletContext the ServletContext
 * @return a Map of blocking error codes and replacement value
 *//* www .j  a  v a 2  s  . c o  m*/
public static Map<String, String> getErrorOnInitialiser(ServletContext servletContext) {
    return (servletContext.getAttribute(Constants.INITIALISER_KEY_ERROR) != null)
            ? (Map<String, String>) servletContext.getAttribute(Constants.INITIALISER_KEY_ERROR)
            : null;
}

From source file:org.syncope.buildtools.H2StartStopListener.java

@Override
public void contextDestroyed(final ServletContextEvent sce) {
    ServletContext context = sce.getServletContext();

    Server h2TestDb = (Server) context.getAttribute(H2_TESTDB);
    if (h2TestDb != null) {
        h2TestDb.shutdown();/*from w ww  .ja v  a  2  s  . com*/
    }
}