Example usage for javax.servlet ServletContext getAttribute

List of usage examples for javax.servlet ServletContext getAttribute

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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.duracloud.duradmin.spaces.controller.SpaceController.java

private void setItemCount(final Space space, HttpServletRequest request) throws ContentStoreException {
    String key = formatItemCountCacheKey(space);
    final ServletContext appContext = request.getSession().getServletContext();
    ItemCounter listener = (ItemCounter) appContext.getAttribute(key);
    space.setItemCount(new Long(-1));
    if (listener != null) {
        if (listener.isCountComplete()) {
            space.setItemCount(listener.getCount());
        } else {//from w  w w. j  a  v a2s .  c o m
            SpaceProperties properties = space.getProperties();
            Long interCount = listener.getIntermediaryCount();
            if (interCount == null) {
                interCount = 0l;
            }
            properties.setCount(String.valueOf(interCount) + "+");
            space.setProperties(properties);
        }
    } else {
        final ItemCounter itemCounterListener = new ItemCounter();
        appContext.setAttribute(key, itemCounterListener);
        final ContentStore contentStore = contentStoreManager.getContentStore(space.getStoreId());
        final StoreCaller<Iterator<String>> caller = new StoreCaller<Iterator<String>>() {
            protected Iterator<String> doCall() throws ContentStoreException {
                return contentStore.getSpaceContents(space.getSpaceId());
            }

            public String getLogMessage() {
                return "Error calling contentStore.getSpaceContents() for: " + space.getSpaceId();
            }
        };

        new Thread(new Runnable() {
            public void run() {
                ExtendedIteratorCounterThread runnable = new ExtendedIteratorCounterThread(caller.call(),
                        itemCounterListener);
                runnable.run();
            }
        }).start();
    }
}

From source file:com.ocpsoft.pretty.faces.el.resolver.CDIBeanNameResolver.java

/**
 * Tries to get the BeanManager from the servlet context attribute
 * <code>javax.enterprise.inject.spi.BeanManager</code>. This works with
 * Weld and the current OpenWebBeans snapshots.
 * /*from   w  ww  .  j a  v  a  2s  .c  o m*/
 * @param servletContext The servlet context 
 * @return The BeanManager instance or <code>null</code>
 */
private Object getBeanManagerFromServletContext(ServletContext servletContext) {

    // get BeanManager from servlet context
    Object obj = servletContext.getAttribute(BEAN_MANAGER_CLASS);

    // debug result
    if (log.isTraceEnabled()) {
        if (obj == null) {
            log.trace("BeanManager not found in servlet context.");
        } else {
            log.trace("Found BeanManager in the servlet context.");
        }
    }

    return obj;

}

From source file:org.apache.struts.faces.application.ActionListenerImpl.java

/**
 * <p>Look up and return the <code>RequestProcessor</code> responsible for
 * the specified module, creating a new one if necessary.  This method is
 * based on the corresponding code in <code>ActionServlet</code>, which
 * cannot be used directly because it is a protected method.</p>
 *
 * @param config The module configuration for which to
 *  acquire and return a RequestProcessor
 * @param context The <code>ServletContext</code> instance
 *  for this web application/*  w w  w . ja  va2 s .co  m*/
 *
 * @exception IllegalStateException if we cannot instantiate a
 *  RequestProcessor instance
 */
protected RequestProcessor getRequestProcessor(ModuleConfig config, ServletContext context) {

    String key = Globals.REQUEST_PROCESSOR_KEY + config.getPrefix();
    RequestProcessor processor = (RequestProcessor) context.getAttribute(key);

    if (processor == null) {
        try {
            if (log.isDebugEnabled()) {
                log.debug("Instantiating RequestProcessor of class "
                        + config.getControllerConfig().getProcessorClass());
            }
            ActionServlet servlet = (ActionServlet) context.getAttribute(Globals.ACTION_SERVLET_KEY);
            processor = (RequestProcessor) RequestUtils
                    .applicationInstance(config.getControllerConfig().getProcessorClass());
            processor.init(servlet, config);
            context.setAttribute(key, processor);
        } catch (Exception e) {
            log.error("Cannot instantiate RequestProcessor of class "
                    + config.getControllerConfig().getProcessorClass(), e);
            throw new IllegalStateException("Cannot initialize RequestProcessor of class "
                    + config.getControllerConfig().getProcessorClass() + ": " + e);
        }

    }
    return (processor);

}

From source file:eu.celarcloud.jcatascopia.api.subscriptions.SubscriptionsServer.java

/**
 * Returns a list of all the subscriptions
 * /* ww w.  j av a2  s  .co m*/
 * @param req
 * @param response
 * @param context
 * @return a list of all the subscriptions
 */
@GET
@Path("/")
@Produces(MediaType.APPLICATION_JSON)
public Response getAvailableSubscriptions(@Context HttpServletRequest req,
        @Context HttpServletResponse response, @Context ServletContext context) {
    IDBInterface dbInterface = (IDBInterface) context.getAttribute("dbInterface");
    ArrayList<SubscriptionObj> sublist = dbInterface.getSubscriptions();

    StringBuilder sb = new StringBuilder();
    sb.append("{\"subs\":[");
    if (sublist != null) {
        boolean first = true;
        for (SubscriptionObj s : sublist) {
            if (!first)
                sb.append(",");
            sb.append(s.toJSON());
            first = false;
        }
    }
    sb.append("]}");

    if (context.getAttribute("debug_mode") != null
            && context.getAttribute("debug_mode").toString().equals("true")) {
        System.out.println("Listing available subscriptions");
        System.out.println(sb.toString());
    }

    return Response.status(Response.Status.OK).entity(sb.toString()).build();
}

From source file:com.github.nblair.web.ProfileConditionalDelegatingFilterProxyTest.java

/**
 * Set up a {@link ServletContext} to contain a {@link WebApplicationContext} with the provided {@link Environment}.
 * //from   ww  w.  j  a  va2 s  . co  m
 * @param environment
 * @return a mock {@link ServletContext} ready for use in the delegate filter proxy
 */
protected ServletContext mockServletContextWithEnvironment(Environment environment) {
    ServletContext servletContext = mock(ServletContext.class);
    WebApplicationContext wac = mock(WebApplicationContext.class);

    when(wac.getEnvironment()).thenReturn(environment);
    when(servletContext.getAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE))
            .thenReturn(wac);
    return servletContext;
}

From source file:eu.celarcloud.jcatascopia.api.subscriptions.SubscriptionsServer.java

/**
 * Creates a new subscription./*from w w w .  ja  v  a  2s  .  co m*/
 * 
 * @param req
 * @param response
 * @param context
 * @param body A body containing all the required data for creating a new subscription
 * @return a message with the status of creating the new subscription
 */
@PUT
@Path("/")
@Produces(MediaType.APPLICATION_JSON)
public Response addSubscription(@Context HttpServletRequest req, @Context HttpServletResponse response,
        @Context ServletContext context, String body) {
    String serverIP = (String) context.getAttribute("serverIP");
    String serverPort = (String) context.getAttribute("serverPort");
    IDBInterface dbInterface = (IDBInterface) context.getAttribute("dbInterface");

    try {
        if (body.startsWith("subscription="))
            body = URLDecoder.decode(body.split("=")[1], "UTF-8");

        JSONObject json = new JSONObject(body);
        json.put("subID", UUID.randomUUID().toString().replace("-", ""));

        boolean resp = dbInterface.createSubscription(serverIP, serverPort, json.toString());
        if (resp) {
            if (context.getAttribute("debug_mode") != null
                    && context.getAttribute("debug_mode").toString().equals("true"))
                System.out.println("Added a new subscription with id " + json.getString("subID"));
            return Response.status(Response.Status.CREATED)
                    .entity("{\"status\":\"added\",\"subID\":\"" + json.getString("subID") + "\"}").build();
        } else {
            System.out.println("Failed to add new subscription");
            //TODO fix this status code which gives the wrong impression
            return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity("{\"status\":\"failed\"}")
                    .build();
        }
    } catch (JSONException e) {
        e.printStackTrace();
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    }
    return null;
}

From source file:eu.celarcloud.jcatascopia.api.subscriptions.SubscriptionsServer.java

/**
 * Deletes the given subscription./*from  ww  w.  j a va  2 s .  c  o  m*/
 * 
 * @param req
 * @param response
 * @param context
 * @param subID The subscription's id to delete
 * @return a status message
 */
@DELETE
@Path("/{subid}")
@Produces(MediaType.APPLICATION_JSON)
public Response deleteSubscription(@Context HttpServletRequest req, @Context HttpServletResponse response,
        @Context ServletContext context, @PathParam("subid") String subID) {
    String serverIP = (String) context.getAttribute("serverIP");
    String serverPort = (String) context.getAttribute("serverPort");
    IDBInterface dbInterface = (IDBInterface) context.getAttribute("dbInterface");

    boolean resp = dbInterface.removeSubscription(serverIP, serverPort, "{\"subID\" : \"" + subID + "\"}");
    if (resp) {
        if (context.getAttribute("debug_mode") != null
                && context.getAttribute("debug_mode").toString().equals("true"))
            System.out.println("Removed subscription with id " + subID);

        return Response.status(Response.Status.OK).entity("{\"status\":\"success\"}").build();
    } else {
        System.out.println("Failed to delete subscription with id " + subID);
        return Response.status(Response.Status.NOT_FOUND).entity("{\"status\":\"failed\"}").build();
    }
}

From source file:org.apache.struts.upload.DiskMultipartRequestHandler.java

/**
 * Retrieves the temporary directory from either ActionServlet, a context
 * property, or a system property, in that order.
 *///  w  w  w .ja  v a 2 s .  c o  m
protected void retrieveTempDir(ModuleConfig moduleConfig) {

    //attempt to retrieve the servlet container's temporary directory
    ActionServlet servlet = getServlet();
    if (servlet != null) {
        //attempt to retrieve the servlet container's temporary directory
        ServletContext context = servlet.getServletContext();

        try {
            tempDir = (String) context.getAttribute("javax.servlet.context.tempdir");
        } catch (ClassCastException cce) {
            tempDir = ((File) context.getAttribute("javax.servlet.context.tempdir")).getAbsolutePath();
        }
    }

    if (tempDir == null) {
        //attempt to retrieve the temporary directory from the controller
        tempDir = moduleConfig.getControllerConfig().getTempDir();

        if (tempDir == null) {
            //default to system-wide tempdir
            tempDir = System.getProperty("java.io.tmpdir");

            log.debug("DiskMultipartRequestHandler.handleRequest(): "
                    + "defaulting to java.io.tmpdir directory \"" + tempDir);
        }
    }
}

From source file:com.skilrock.lms.web.loginMgmt.RolesInterceptor.java

public boolean isSessionTimeOut(HttpSession session) {
    HttpSession sessionNew = null;/* ww w . j  a  va 2 s .c  o  m*/
    ServletContext sc = ServletActionContext.getServletContext();
    Map currentUserSessionMap = (Map) sc.getAttribute("LOGGED_IN_USERS");
    UserInfoBean userBean = (UserInfoBean) session.getAttribute("USER_INFO");
    if (userBean == null) {
        return true;
    }
    if (currentUserSessionMap != null && userBean != null) {
        sessionNew = (HttpSession) currentUserSessionMap.get(userBean.getUserName());
    }
    // logger.debug("In Else If New is --"+sessionNew+" Session Current
    // --"+session);
    // logger.debug("The User in Map are"+currentUserSessionMap );
    if (sessionNew == null) {
        return true;
    }
    return false;

}

From source file:de.ingrid.iplug.web.BusClientContextListener.java

public void contextInitialized(ServletContextEvent servletcontextevent) {
    ServletContext servletContext = servletcontextevent.getServletContext();
    String communicationFile = servletContext.getInitParameter("communication.xml");
    BusClient busClient = null;/*from w w  w  .j a  va2 s. c  o m*/
    try {
        busClient = connectIBus(communicationFile);
        BeanFactory beanFactory = (BeanFactory) servletContext.getAttribute("beanFactory");
        beanFactory.addBean("busClient", busClient);
    } catch (Exception e1) {
        LOG.error("can not connect to ibus", e1);
    }

}