Example usage for javax.servlet ServletRequest setAttribute

List of usage examples for javax.servlet ServletRequest setAttribute

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Introduction

In this page you can find the example usage for javax.servlet ServletRequest setAttribute.

Prototype

public void setAttribute(String name, Object o);

Source Link

Document

Stores an attribute in this request.

Usage

From source file:org.jsecurity.web.servlet.OncePerRequestFilter.java

/**
 * This <code>doFilter</code> implementation stores a request attribute for
 * "already filtered", proceeding without filtering again if the
 * attribute is already there.//from   w ww . j av a  2s .  c o m
 *
 * @see #getAlreadyFilteredAttributeName
 * @see #shouldNotFilter
 * @see #doFilterInternal
 */
public final void doFilter(ServletRequest request, ServletResponse response, FilterChain filterChain)
        throws ServletException, IOException {

    String alreadyFilteredAttributeName = getAlreadyFilteredAttributeName();
    if (request.getAttribute(alreadyFilteredAttributeName) != null || shouldNotFilter(request)) {
        if (log.isTraceEnabled()) {
            log.trace("Filter already executed.  Proceeding without invoking this filter.");
        }
        // Proceed without invoking this filter...
        filterChain.doFilter(request, response);
    } else {
        // Do invoke this filter...
        if (log.isTraceEnabled()) {
            log.trace("Filter not yet executed.  Executing now.");
        }
        request.setAttribute(alreadyFilteredAttributeName, Boolean.TRUE);
        doFilterInternal(request, response, filterChain);
    }
}

From source file:com.jaspersoft.jasperserver.war.tags.BaseTagSupport.java

protected Map setRequestAttributes(Map attributes) {
    ServletRequest request = pageContext.getRequest();
    Set attributeNames = new HashSet();
    for (Enumeration it = request.getAttributeNames(); it.hasMoreElements();) {
        String attribute = (String) it.nextElement();
        attributeNames.add(attribute);//from  w ww . ja  v  a  2 s  .  com
    }

    Map restoreMap = new HashMap();
    for (Iterator it = attributes.entrySet().iterator(); it.hasNext();) {
        Map.Entry entry = (Map.Entry) it.next();
        String attribute = (String) entry.getKey();
        Object value = entry.getValue();

        Object restoreValue;
        if (attributeNames.contains(attribute)) {
            restoreValue = request.getAttribute(attribute);
        } else {
            restoreValue = NO_ATTRIBUTE;
        }
        restoreMap.put(attribute, restoreValue);

        request.setAttribute(attribute, value);
    }
    return restoreMap;
}

From source file:au.org.paperminer.main.UserFilter.java

/**
 * Changes the status of a user/*from www  . j a  va 2  s  .co  m*/
 * @param newStatus Status value to set
 * @param req
 * @param resp
 */
private void setStatus(int newStatus, ServletRequest req, ServletResponse resp) {
    m_logger.debug("set status");
    String id = req.getParameter("id");
    UserHelper helper = new UserHelper(id);
    if (helper.isKnownUser()) {
        m_logger.info("Upgrading status for user " + id);
        helper.set(UserHelper.STATUS, Integer.toString(newStatus));
        try {
            helper.update();
        } catch (PaperMinerException ex) {
            m_logger.error("Status update failed", ex);
            req.setAttribute(PaperMinerConstants.ERROR_PAGE, "e105");
        }
        req.setAttribute(PaperMinerConstants.ERROR_PAGE, "e111");
    }
}

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

/** {@inheritDoc} **/
@SuppressWarnings("unchecked")
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {

    HttpServletResponse rsp = (HttpServletResponse) response;
    HttpServletRequest rqst = (HttpServletRequest) request;

    String userId = getUserId(request);
    String groups = getGroups(request);
    List<Path> allowedPaths = getAllowedPaths(request);

    UserGroupInformation ugi = UserGroupInformation.createRemoteUser(userId);

    String filePath = getPathFromRequest(rqst);

    if (filePath == null || !checkHdfsPath(filePath, allowedPaths)) {
        String msg = "User " + userId + " (" + groups + ") is not authorized to access path " + filePath;
        LOG.warn(msg);/*w w  w .ja  v a 2  s. c  o  m*/
        rsp.sendError(HttpServletResponse.SC_FORBIDDEN, msg);
        return;
    }
    request.setAttribute("authorized.ugi", ugi);

    chain.doFilter(request, response);
}

From source file:au.org.paperminer.main.UserFilter.java

/**
 * Creates a DB entry for a new user and loads their info into a session cookie.
 * The email is checked for basic syntax, and the trove key is validated by a Trove API call
 * before the DB record is created.//from  w  w  w .j av a 2  s. c  om
 * @param req
 * @param resp
 */
private void addUser(ServletRequest req, ServletResponse resp) {
    m_logger.info("adding user");
    String email = req.getParameter("em");
    String troveKey = req.getParameter("tk");
    String verify = req.getParameter("vfy");
    m_logger.info("AddUserFilter email:" + email + " key:" + troveKey + " verify=" + verify);

    UserHelper userHelper = new UserHelper(email, troveKey);
    try {
        if (userHelper.isKnownUser()) {
            m_logger.info("user " + email + " exists with id " + userHelper.get(UserHelper.ID));
            req.setAttribute(PaperMinerConstants.ERROR_PAGE, "e100");
        } else {
            m_logger.info("Adding " + email + " (" + troveKey + ")");
            if (!isValidEmailAddress(email)) {
                req.setAttribute(PaperMinerConstants.ERROR_PAGE, "e101");
            } else if (!isValidTroveKey(troveKey)) {
                req.setAttribute(PaperMinerConstants.ERROR_PAGE, "e102");
            } else {
                userHelper.createUser(email, troveKey);
                CookieHelper.addCookie((HttpServletResponse) resp, userHelper);
                m_logger.debug("user ID=" + userHelper.get(UserHelper.ID) + " status="
                        + userHelper.get(UserHelper.STATUS));

                if ((verify != null) && verify.equals("y")) {
                    sendVerificationEmail(userHelper.get(UserHelper.ID), userHelper.get(UserHelper.EMAIL), req);
                }

                m_logger.info("Added " + email + " (" + troveKey + ") OK");
            }
        }
    } catch (PaperMinerException ex) {
        m_logger.error("unexpected error", ex);
    }
}

From source file:com.scooterframework.web.controller.ScooterRequestFilter.java

/**
 * Time the processing that is performed by all subsequent filters in the
 * current filter stack, including the ultimately invoked servlet.
 *
 * @param request The servlet request we are processing
 * @param chain The filter chain we are processing
 *
 * @exception IOException if an input/output error occurs
 * @exception ServletException if a servlet error occurs
 *//*  ww  w.j  a  v a2  s  . c  o m*/
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    boolean staticContent = isStaticContentRequest((HttpServletRequest) request);

    if (encoding != null) {
        request.setCharacterEncoding(encoding);
        if (!staticContent) {
            response.setCharacterEncoding(encoding);
        }
    }

    // boolean skip = skippedRequestPath((HttpServletRequest)request);
    boolean skip = staticContent;

    long before = System.currentTimeMillis();

    if (!skip) {
        initializeActionContext((HttpServletRequest) request, (HttpServletResponse) response);
    } else {
        request.setAttribute(Constants.SKIP_PATH, "Y");
    }

    if (isAjaxRequest((HttpServletRequest) request)) {
        request.setAttribute(Constants.SITEMESH_FILTERAPPLIED, Boolean.TRUE);
    }

    String requestPathKeyWithQueryString = requestInfo(skip, (HttpServletRequest) request);
    log.debug("============>>\"" + requestPathKeyWithQueryString + "\"");

    try {
        chain.doFilter(request, response);
    } catch (Throwable ex) {
        log.error("Error from chain.doFilter: " + ex.getMessage(), ex);
    }

    long after = System.currentTimeMillis();

    if (EnvConfig.getInstance().allowRecordBenchmark()) {
        log.info("\"" + requestPathKeyWithQueryString + "\" takes: " + (after - before) + " ms");
        if (EnvConfig.getInstance().allowRecordBenchmarkInHeader()) {
            HttpServletResponseWrapper resw = new HttpServletResponseWrapper((HttpServletResponse) response);
            resw.addHeader("Exec-Time", (after - before) + " ms");
        }
    }

    clearCachedRequestData();
}

From source file:de.highbyte_le.weberknecht.security.filters.NameBasedLoginPageForwardFilter.java

@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    if (logger.isDebugEnabled())
        logger.debug("doFilter() - start");

    boolean forward = true;

    if (!(request instanceof HttpServletRequest) || !(response instanceof HttpServletResponse)) {
        logger.error("servlet request is no HTTP servlet request");
    } else {/*from  w w w.  j  a v  a  2s.c  o  m*/
        HttpServletRequest httpRequest = (HttpServletRequest) request;
        HttpSession session = httpRequest.getSession();

        UserAuthentication userAuthentication = (UserAuthentication) session.getAttribute("user_auth");
        if (userAuthentication != null && userAuthentication.isAuthenticated()) //user is logged in
            forward = false;
        else if (!isUserServlet(httpRequest.getServletPath())) //servlet is not protected
            forward = false;
    }

    if (forward) {
        request.setAttribute("de.highbyte_le.weberknecht.login.status", "failed");

        logger.debug("doFilter() - forward to login page");
        RequestDispatcher rd = request.getRequestDispatcher(loginPage);
        rd.forward(request, response);
    } else {
        logger.debug("doFilter() - Continue with filter chain");
        chain.doFilter(request, response);
    }
}

From source file:org.egov.ptis.workflow.filter.ActionsBasedOnWorkFlowFilter.java

@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    Action action = null;/*ww  w.j a va 2s .c o m*/
    boolean authorized = true;
    // from action, for which actions restricted for properties under work
    // flow should be applied expecting parameter with name ENTITY_ID and
    // value is bill no of property
    if (request.getParameter("ENTITY_ID") != null) {
        HttpServletRequest httpRequest = (HttpServletRequest) request;
        List authResList = new ArrayList();
        String billNo = httpRequest.getParameter("ENTITY_ID");
        action = getAction(httpRequest);
        authResList = getWorkFlowActionAuth(action.getUrl(), billNo);
        authorized = Boolean.valueOf(authResList.get(0).toString());
        if (!authorized) { // if authorization fails throwing
            // AuthorizationException
            request.setAttribute("AuthRuleErrMsgKey", authResList.get(1).toString());
            throw new AuthorizationException(authResList.get(1).toString());
        }
    }
    chain.doFilter(request, response);
}

From source file:org.dspace.app.webui.jsptag.LayoutTag.java

public int doEndTag() throws JspException {
    // Context objects
    ServletRequest request = pageContext.getRequest();
    HttpServletResponse response = (HttpServletResponse) pageContext.getResponse();
    ServletConfig config = pageContext.getServletConfig();

    // header file
    String header = templatePath + "header-default.jsp";

    // Choose default style unless one is specified
    if (style != null) {
        header = templatePath + "header-" + style.toLowerCase() + ".jsp";
    }//from   w  w  w .  j a  v a 2s.  c om

    if (sidebar != null) {
        request.setAttribute("dspace.layout.sidebar", sidebar);
    }

    // Now include the header
    try {
        // Set headers to prevent browser caching, if appropriate
        if ((noCache != null) && noCache.equalsIgnoreCase("true")) {
            response.addDateHeader("expires", 1);
            response.addHeader("Pragma", "no-cache");
            response.addHeader("Cache-control", "no-store");
        }

        // Ensure the HTTP header will declare that UTF-8 is used
        // in the response.
        response.setContentType("text/html; charset=UTF-8");

        RequestDispatcher rd = config.getServletContext().getRequestDispatcher(header);

        rd.include(request, response);

        //pageContext.getOut().write(getBodyContent().getString());
        getBodyContent().writeOut(pageContext.getOut());
    } catch (IOException ioe) {
        throw new JspException("Got IOException: " + ioe);
    } catch (ServletException se) {
        log.warn("Exception", se.getRootCause());
        throw new JspException("Got ServletException: " + se);
    }

    // Footer file to use
    String footer = templatePath + "footer-default.jsp";

    // Choose default flavour unless one is specified
    if (style != null) {
        footer = templatePath + "footer-" + style.toLowerCase() + ".jsp";
    }

    try {
        // Ensure body is included before footer
        pageContext.getOut().flush();

        RequestDispatcher rd = config.getServletContext().getRequestDispatcher(footer);

        rd.include(request, response);
    } catch (ServletException se) {
        throw new JspException("Got ServletException: " + se);
    } catch (IOException ioe) {
        throw new JspException("Got IOException: " + ioe);
    }

    style = null;
    title = null;
    sidebar = null;
    navbar = null;
    locbar = null;
    parentTitle = null;
    parentLink = null;
    noCache = null;
    feedData = null;
    return EVAL_PAGE;
}

From source file:org.dspace.app.webui.jsptag.LayoutTag.java

public int doStartTag() throws JspException {
    ServletRequest request = pageContext.getRequest();

    // Sort out location bar
    if (locbar == null) {
        locbar = "auto";
    }//from   w  ww  .  ja  v a 2 s  . c o  m

    // These lists will contain titles and links to put in the location
    // bar
    List<String> parents = new ArrayList<String>();
    List<String> parentLinks = new ArrayList<String>();

    if (locbar.equalsIgnoreCase("off")) {
        // No location bar
        request.setAttribute("dspace.layout.locbar", Boolean.FALSE);
    } else {
        // We'll always add "DSpace Home" to the a location bar
        parents.add(ConfigurationManager.getProperty("dspace.name"));

        if (locbar.equalsIgnoreCase("nolink")) {
            parentLinks.add("");
        } else {
            parentLinks.add("/");
        }

        // Add other relevant components to the location bar
        if (locbar.equalsIgnoreCase("link")) {
            // "link" mode - next thing in location bar is taken from
            // parameters of tag, with a link
            if (parentTitle != null) {
                parents.add(parentTitle);
                parentLinks.add(parentLink);
            } else if (parentTitleKey != null) {
                parents.add(LocaleSupport.getLocalizedMessage(pageContext, parentTitleKey));
                parentLinks.add(parentLink);
            }

        } else if (locbar.equalsIgnoreCase("commLink")) {
            // "commLink" mode - show all parent communities
            Community[] comms = (Community[]) request.getAttribute("dspace.communities");

            if (comms != null) {
                for (int i = 0; i < comms.length; i++) {
                    parents.add(comms[i].getMetadata("name"));
                    parentLinks.add("/handle/" + comms[i].getHandle());
                }
            }
        } else if (locbar.equalsIgnoreCase("nolink")) {
            // "nolink" mode - next thing in location bar is taken from
            // parameters of tag, with no link
            if (parentTitle != null) {
                parents.add(parentTitle);
                parentLinks.add("");
            }
        } else {
            // Grab parents from the URL - these should have been picked up
            // by the HandleServlet
            Collection col = (Collection) request.getAttribute("dspace.collection");
            Community[] comms = (Community[]) request.getAttribute("dspace.communities");

            if (comms != null) {
                for (int i = 0; i < comms.length; i++) {
                    parents.add(comms[i].getMetadata("name"));
                    parentLinks.add("/handle/" + comms[i].getHandle());
                }

                if (col != null) {
                    parents.add(col.getMetadata("name"));
                    parentLinks.add("/handle/" + col.getHandle());
                }
            }
        }

        request.setAttribute("dspace.layout.locbar", Boolean.TRUE);
    }

    request.setAttribute("dspace.layout.parenttitles", parents);
    request.setAttribute("dspace.layout.parentlinks", parentLinks);

    // Navigation bar: "default" is default :)
    if (navbar == null) {
        navbar = "default";
    }

    if (navbar.equals("off")) {
        request.setAttribute("dspace.layout.navbar", "off");
    } else {
        request.setAttribute("dspace.layout.navbar", templatePath + "navbar-" + navbar + ".jsp");
    }

    // Set title
    if (title != null) {
        request.setAttribute("dspace.layout.title", title);
    } else if (titleKey != null) {
        request.setAttribute("dspace.layout.title", LocaleSupport.getLocalizedMessage(pageContext, titleKey));
    } else {
        request.setAttribute("dspace.layout.title", "NO TITLE");
    }

    // Set feedData if present
    if (feedData != null && !"NONE".equals(feedData)) {
        // set the links' reference - community or collection
        boolean commLinks = feedData.startsWith("comm:");
        boolean collLinks = feedData.startsWith("coll:");
        if (commLinks) {
            Community com = (Community) request.getAttribute("dspace.community");
            request.setAttribute("dspace.layout.feedref", com.getHandle());
        } else if (collLinks) {
            Collection col = (Collection) request.getAttribute("dspace.collection");
            request.setAttribute("dspace.layout.feedref", col.getHandle());
        } else //feed is across all of DSpace and not Community/Collection specific
        {
            request.setAttribute("dspace.layout.feedref", FeedServlet.SITE_FEED_KEY);
        }

        // build a list of link attributes for each link format
        String[] formats = feedData.substring(feedData.indexOf(':') + 1).split(",");
        List<String> linkParts = new ArrayList<String>();
        // each link has a mime-type, title, and format (used in href URL)
        for (int i = 0; i < formats.length; i++) {
            if ("rss_1.0".equals(formats[i])) {
                linkParts.add("rdf+xml");
            } else {
                linkParts.add("rss+xml");
            }

            if (commLinks) {
                linkParts.add("Items in Community");
            } else if (collLinks) {
                linkParts.add("Items in Collection");
            } else {
                linkParts.add("Items in " + ConfigurationManager.getProperty("dspace.name"));
            }

            linkParts.add(formats[i]);
        }
        request.setAttribute("dspace.layout.linkparts", linkParts);
    } else {
        request.setAttribute("dspace.layout.feedref", "NONE");
    }

    return EVAL_BODY_BUFFERED;
}