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:org.intermine.web.logic.session.SessionMethods.java

/**
 * @param context a ServletContext/*from   w w w. j av a  2  s . c o m*/
 * @return WebConfig
 */
public static WebConfig getWebConfig(ServletContext context) {
    WebConfig wc = (WebConfig) context.getAttribute(Constants.WEBCONFIG);
    if (wc == null) {
        throw new RuntimeException("WebConfig not present in web session.");
    }
    return wc;
}

From source file:br.com.argonavis.jaspictut.service.FacebookConnectService.java

@Override
public void init(ServletContext ctx) {
    Properties authconfig = (Properties) ctx.getAttribute("authconfig");
    facebookAppID = authconfig.getProperty("facebookAppID");
    facebookAppSecret = authconfig.getProperty("facebookAppSecret");
}

From source file:com.cimait.invoicec.portal.util.servlet.SBServletInitializer.java

protected WebApplicationContext createRootApplicationContext(ServletContext servletContext) {
    ApplicationContext parent = null;// w w  w .j a  v a  2  s .c o m
    Object object = servletContext.getAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE);
    if (object instanceof ApplicationContext) {
        this.logger.info("Root context already created (using as parent).");
        parent = (ApplicationContext) object;
        servletContext.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, null);
    }
    SpringApplicationBuilder application = new SpringApplicationBuilder();
    if (parent != null) {
        application.initializers(new ParentContextApplicationContextInitializer(parent));
    }
    application.initializers(new ServletContextApplicationContextInitializer(servletContext));
    application.contextClass(AnnotationConfigEmbeddedWebApplicationContext.class);
    application = configure(application);
    // Ensure error pages are registered
    //application.sources(ErrorPageFilter.class);
    return (WebApplicationContext) application.run();
}

From source file:cn.vlabs.umt.ui.UMTStartupListener.java

public void contextDestroyed(ServletContextEvent event) {
    ServletContext context = event.getServletContext();
    FileSystemXmlApplicationContext factory = (FileSystemXmlApplicationContext) context
            .getAttribute(Attributes.APPLICATION_CONTEXT_KEY);
    if (factory != null) {
        context.removeAttribute(Attributes.APPLICATION_CONTEXT_KEY);
        factory.close();/*from  ww  w. j a  va2s . co  m*/
        factory = null;
    }
}

From source file:org.apache.hadoop.hdfs.server.namenode.CancelDelegationTokenServlet.java

@Override
protected void doGet(final HttpServletRequest req, final HttpServletResponse resp)
        throws ServletException, IOException {
    final UserGroupInformation ugi;
    final ServletContext context = getServletContext();
    final Configuration conf = (Configuration) context.getAttribute(JspHelper.CURRENT_CONF);
    try {//from www.j  a  va2s .  c om
        ugi = getUGI(req, conf);
    } catch (IOException ioe) {
        LOG.info("Request for token received with no authentication from " + req.getRemoteAddr(), ioe);
        resp.sendError(HttpServletResponse.SC_FORBIDDEN, "Unable to identify or authenticate user");
        return;
    }
    final NameNode nn = (NameNode) context.getAttribute("name.node");
    String tokenString = req.getParameter(TOKEN);
    if (tokenString == null) {
        resp.sendError(HttpServletResponse.SC_MULTIPLE_CHOICES, "Token to renew not specified");
    }
    final Token<DelegationTokenIdentifier> token = new Token<DelegationTokenIdentifier>();
    token.decodeFromUrlString(tokenString);

    try {
        ugi.doAs(new PrivilegedExceptionAction<Void>() {
            public Void run() throws Exception {
                nn.cancelDelegationToken(token);
                return null;
            }
        });
    } catch (Exception e) {
        LOG.info("Exception while cancelling token. Re-throwing. ", e);
        resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
    }
}

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

/**
 * Returns the Map of aspects./*ww w .j a v  a  2s .co m*/
 *
 * @param servletContext a ServletContext object
 * @return a Map
 */
public static Map<String, Aspect> getAspects(ServletContext servletContext) {
    return (Map<String, Aspect>) servletContext.getAttribute(Constants.ASPECTS);
}

From source file:org.red5.server.tomcat.TomcatApplicationContext.java

public void stop() {
    log.debug("stop");
    try {//from w w w .  j ava 2 s .c  o m
        ServletContext servlet = context.getServletContext();
        Object o = servlet.getAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE);
        if (o != null) {
            log.debug("Spring context for {} was found", context.getName());
            ConfigurableWebApplicationContext appCtx = (ConfigurableWebApplicationContext) o;
            //close the red5 app
            if (appCtx.isRunning()) {
                log.debug("Context was running, attempting to stop");
                appCtx.stop();
            }
            if (appCtx.isActive()) {
                log.debug("Context is active, attempting to close");
                appCtx.close();
            }
        } else {
            log.warn("Spring context for {} was not found", context.getName());
        }
    } catch (Exception e) {
        log.error("Could not stop spring context", e);
    }
    context.getParent().removeChild(context);
    if (context instanceof StandardContext) {
        StandardContext ctx = (StandardContext) context;
        try {
            //stop the tomcat context
            ctx.stop();
        } catch (Exception e) {
            log.error("Could not stop context", e);
        } finally {
            try {
                ctx.destroy();
            } catch (Exception e) {
                log.error("Could not destroy context", e);
            }
        }
    }
}

From source file:com.concursive.connect.config.ApplicationPrefs.java

public static Configuration getFreemarkerConfiguration(ServletContext context) {
    return (Configuration) context.getAttribute(Constants.FREEMARKER_CONFIGURATION);
}

From source file:com.concursive.connect.config.ApplicationPrefs.java

public static ApplicationPrefs getApplicationPrefs(ServletContext context) {
    return (ApplicationPrefs) context.getAttribute(Constants.APPLICATION_PREFS);
}

From source file:org.apache.hadoop.hdfs.server.namenode.DelegationTokenServlet.java

@Override
protected void doGet(final HttpServletRequest req, final HttpServletResponse resp)
        throws ServletException, IOException {
    final UserGroupInformation ugi;
    try {/* w  w w  .  j  av  a 2  s  .  c  o m*/
        ugi = getUGI(req, new Configuration());
    } catch (IOException ioe) {
        LOG.info("Request for token received with no authentication from " + req.getRemoteAddr(), ioe);
        resp.sendError(HttpServletResponse.SC_FORBIDDEN, "Unable to identify or authenticate user");
        return;
    }
    LOG.info("Sending token: {" + ugi.getUserName() + "," + req.getRemoteAddr() + "}");
    final ServletContext context = getServletContext();
    final NameNode nn = (NameNode) context.getAttribute("name.node");

    DataOutputStream dos = null;
    try {
        dos = new DataOutputStream(resp.getOutputStream());
        final DataOutputStream dosFinal = dos; // for doAs block
        ugi.doAs(new PrivilegedExceptionAction<Void>() {
            @Override
            public Void run() throws Exception {

                Token<DelegationTokenIdentifier> token = nn
                        .getDelegationToken(new Text(req.getUserPrincipal().getName()));
                String s = nn.rpcAddress.getAddress().getHostAddress() + ":" + nn.rpcAddress.getPort();
                token.setService(new Text(s));
                TokenStorage ts = new TokenStorage();
                ts.addToken(new Text(ugi.getShortUserName()), token);
                ts.write(dosFinal);
                dosFinal.close();
                return null;
            }
        });

    } catch (Exception e) {
        LOG.info("Exception while sending token. Re-throwing. ", e);
        resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
    } finally {
        if (dos != null)
            dos.close();
    }
}