Example usage for javax.servlet ServletRequest getAttribute

List of usage examples for javax.servlet ServletRequest getAttribute

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Introduction

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

Prototype

public Object getAttribute(String name);

Source Link

Document

Returns the value of the named attribute as an Object, or null if no attribute of the given name exists.

Usage

From source file:edu.cornell.mannlib.vitro.webapp.filters.WebappDaoFactorySDBPrep.java

@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain filterChain)
        throws IOException, ServletException {

    if (request.getAttribute("WebappDaoFactorySDBPrep.setup") != null) {
        // don't run multiple times
        filterChain.doFilter(request, response);
        return;/*from w w w. j a va 2 s.  c  o  m*/
    }

    for (Pattern skipPattern : skipPatterns) {
        Matcher match = skipPattern.matcher(((HttpServletRequest) request).getRequestURI());
        if (match.matches()) {
            log.debug("request matched a skipPattern, skipping VitroRequestPrep");
            filterChain.doFilter(request, response);
            return;
        }
    }

    OntModelSelector oms = ModelContext.getUnionOntModelSelector(_ctx);
    OntModelSelector baseOms = ModelContext.getBaseOntModelSelector(_ctx);
    String defaultNamespace = (String) _ctx.getAttribute("defaultNamespace");
    WebappDaoFactory wadf = null;
    VitroRequest vreq = new VitroRequest((HttpServletRequest) request);

    List<String> langs = new ArrayList<String>();

    log.debug("Accept-Language: " + vreq.getHeader("Accept-Language"));
    Enumeration<Locale> locs = vreq.getLocales();
    while (locs.hasMoreElements()) {
        Locale locale = locs.nextElement();
        langs.add(locale.toString().replace("_", "-"));
    }
    if (langs.isEmpty()) {
        langs.add("en");
    }
    WebappDaoFactoryConfig config = new WebappDaoFactoryConfig();
    config.setDefaultNamespace(defaultNamespace);
    config.setPreferredLanguages(langs);

    RDFServiceFactory factory = RDFServiceUtils.getRDFServiceFactory(_ctx);

    //RDFService rdfService = factory.getRDFService();
    RDFService unfilteredRDFService = factory.getShortTermRDFService();
    RDFService rdfService = null;

    if (!"false"
            .equals(ConfigurationProperties.getBean(vreq).getProperty("RDFService.languageFilter", "true"))) {
        rdfService = new LanguageFilteringRDFService(unfilteredRDFService, langs);
    } else {
        rdfService = unfilteredRDFService;
    }

    Dataset dataset = new RDFServiceDataset(rdfService);
    wadf = new WebappDaoFactorySDB(rdfService, oms, config);
    WebappDaoFactory assertions = new WebappDaoFactorySDB(rdfService, baseOms, config,
            SDBDatasetMode.ASSERTIONS_ONLY);
    vreq.setRDFService(rdfService);
    vreq.setUnfilteredRDFService(unfilteredRDFService);
    vreq.setWebappDaoFactory(wadf);
    vreq.setAssertionsWebappDaoFactory(assertions);
    vreq.setFullWebappDaoFactory(wadf);
    vreq.setUnfilteredWebappDaoFactory(
            new WebappDaoFactorySDB(rdfService, ModelContext.getUnionOntModelSelector(_ctx)));
    vreq.setDataset(dataset);
    vreq.setOntModelSelector(baseOms);

    vreq.setJenaOntModel(ModelFactory.createOntologyModel(OntModelSpec.OWL_MEM, dataset.getDefaultModel()));

    request.setAttribute("WebappDaoFactorySDBPrep.setup", 1);

    try {
        filterChain.doFilter(request, response);
        return;
    } finally {
        if (wadf != null) {
            wadf.close();
        }
    }

}

From source file:com.mirantis.cachemod.filter.CacheFilter.java

public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws ServletException, IOException {

    if (request.getAttribute(conf.getAlreadyFilteredKey()) != null || !isCacheable(request)) {

        /*/* www . ja  v  a 2s . c  o  m*/
         *  This request is not Cacheable
         */

        chain.doFilter(request, response);
    } else {
        request.setAttribute(conf.getAlreadyFilteredKey(), Boolean.TRUE);

        HttpServletRequest httpRequest = (HttpServletRequest) request;
        boolean fragmentRequest = isFragment(httpRequest);

        String key = conf.getCacheKeyProvider().createKey(httpRequest);

        CacheEntry cacheEntry = conf.getCacheProvider().getEntry(key);
        if (cacheEntry != null) {

            if (!fragmentRequest) {

                /*
                 * -1 of no in header
                 */
                long clientLastModified = httpRequest.getDateHeader("If-Modified-Since");

                /*
                 * Reply with SC_NOT_MODIFIED for client that has newest page 
                 */
                if ((clientLastModified != -1) && (clientLastModified >= cacheEntry.getLastModified())) {
                    ((HttpServletResponse) response).setStatus(HttpServletResponse.SC_NOT_MODIFIED);
                    return;
                }
            }

            writeCacheToResponse(cacheEntry, response, fragmentRequest);

        } else {
            cacheEntry = conf.getCacheProvider().instantiateEntry();

            CacheHttpServletResponse cacheResponse = new CacheHttpServletResponse(
                    (HttpServletResponse) response, cacheEntry, conf, fragmentRequest);
            chain.doFilter(request, cacheResponse);

            if (cacheResponse.getStatus() == HttpServletResponse.SC_OK) {
                cacheResponse.commit();
                if (conf.getUserDataProvider() != null) {
                    cacheEntry.setUserData(conf.getUserDataProvider().createUserData(httpRequest));
                }
                conf.getCacheProvider().putEntry(key, cacheEntry);
            }
        }
    }

}

From source file:com.xt.views.taglib.html.BaseFieldTag.java

/**
 * ?value// w ww . ja  v a  2s .c  o m
 * 
 * @return
 * @throws JspException
 */
protected void caculateValue() throws JspException {
    try {
        ServletRequest req = pageContext.getRequest();
        if (req.getAttribute("GET_VALUE_FROM_PARAMS") != null) {
            beforeFormatedValue = req.getParameter(property);
        } else {
            beforeFormatedValue = TagUtils.getInstance().lookup(pageContext, name, property, null);
        }
    } catch (Throwable e) {
        // ??
        LogWriter.warn(e.getMessage());
    }
    this.value = myFormatValue(beforeFormatedValue);
}

From source file:com.easyshop.common.web.filter.SetCommonDataFilter.java

public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    ////w  w  w . j  a v a  2s  . c  o  m
    HttpServletRequest httpServletRequest = (HttpServletRequest) request;
    if (request.getAttribute(Constants.CONTEXT_PATH) == null) {
        request.setAttribute(Constants.CONTEXT_PATH, httpServletRequest.getContextPath());
    }
    if (request.getAttribute(Constants.WEB_BASE) == null) {
        request.setAttribute(Constants.WEB_BASE, webBase);
    }

    //?
    String currentPageStr = request.getParameter(currentPageParamKey);
    if (StringUtils.isNotBlank(currentPageStr)) {
        try {
            Integer currentPage = Integer.valueOf(currentPageStr);
            PageContext.setCurrentPage(currentPage);
        } catch (NumberFormatException e) {
            //e.printStackTrace();
            LOGGER.warn(
                    "?'currentPage'?,???,?{}",
                    currentPageStr);
        }
    }

    String pageSizeStr = request.getParameter(pageSizeParamKey);
    if (StringUtils.isNotBlank(pageSizeStr)) {
        try {
            Integer pageSize = Integer.valueOf(pageSizeStr);
            PageContext.setPageSize(pageSize);
        } catch (NumberFormatException e) {
            //e.printStackTrace();
            LOGGER.warn(
                    "?'pageSize'?,???,?{}",
                    pageSizeStr);
        }
    }

    try {
        chain.doFilter(request, response);
    } finally {
        PageContext.clear();
    }
}

From source file:org.apache.tiles.web.util.TilesDecorationFilter.java

/**
 * Returns the request base, i.e. the the URL to calculate all the relative
 * paths./*from w w  w  . ja  v  a  2s. co m*/
 *
 * @param request The request object to use.
 * @return The request base.
 */
private String getRequestBase(ServletRequest request) {
    // Included Path
    String include = (String) request.getAttribute("javax.servlet.include.servlet_path");
    if (include != null) {
        return include;
    }

    // As opposed to includes, if a forward occurs, it will update the servletPath property
    // and include the original as the request attribute.
    return ((HttpServletRequest) request).getServletPath();
}

From source file:demo.oauth.server.spring.SpringOAuthAuthenticationFilter.java

public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    HttpServletRequest req = (HttpServletRequest) request;
    HttpServletResponse resp = (HttpServletResponse) response;

    List<String> authorities = (List<String>) request.getAttribute(OAUTH_AUTHORITIES);
    List<GrantedAuthority> grantedAuthorities = new ArrayList<GrantedAuthority>();

    if (authorities != null) {
        for (String authority : authorities) {
            grantedAuthorities.add(new GrantedAuthorityImpl(authority));
        }//  ww w.  j  av a 2  s .c  o m

        Authentication auth = new AnonymousAuthenticationToken(UUID.randomUUID().toString(),
                req.getUserPrincipal(), grantedAuthorities);

        SecurityContextHolder.getContext().setAuthentication(auth);
    }

    chain.doFilter(req, resp);
}

From source file:org.opensolaris.opengrok.web.PageConfig.java

/**
 * Cleanup all allocated resources (if any) from the instance attached to
 * the given request./*from   ww  w  . j av a2 s.  com*/
 *
 * @param sr request to check, cleanup. Ignored if {@code null}.
 * @see PageConfig#get(HttpServletRequest)
 */
public static void cleanup(ServletRequest sr) {
    if (sr == null) {
        return;
    }
    PageConfig cfg = (PageConfig) sr.getAttribute(ATTR_NAME);
    if (cfg == null) {
        return;
    }
    sr.removeAttribute(ATTR_NAME);
    cfg.env = null;
    cfg.req = null;
    if (cfg.eftarReader != null) {
        cfg.eftarReader.close();
    }
    ProjectHelper.cleanup();
}

From source file:jp.terasoluna.fw.web.thin.EvidenceLogFilter.java

/**
 * GrfX?O?o?B//from   www . java 2 s.  c  om
 *
 * @param req HTTPNGXg
 * @param res HTTPX|X
 * @param chain tB^`F?[
 * 
 * @throws IOException I/OG?[
 * @throws ServletException T?[ubgO
 * 
 * @see javax.servlet.Filter#doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)
 */
public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
        throws IOException, ServletException {

    //NGXgtB^?B
    if (req.getAttribute(EVIDENCELOG_THRU_KEY) == null) {

        req.setAttribute(EVIDENCELOG_THRU_KEY, "true");

        evidenceLog("--------------------------------------------");

        // NGXgURI?o
        evidenceLog("RequestURI = " + ((HttpServletRequest) req).getRequestURI());

        // p??[^?o
        evidenceLog("Parameters = {");
        Map paramMap = ((HttpServletRequest) req).getParameterMap();
        Iterator iter = paramMap.keySet().iterator();
        while (iter.hasNext()) {
            String key = (String) iter.next();
            Object value = paramMap.get(key);
            if (value == null) {
                evidenceLog("  " + key + " = null");
            } else if (value.getClass().isArray()) {
                Object[] values = (Object[]) value;
                for (int i = 0; i < values.length; i++) {
                    String valueView = "null";
                    if (values[i] != null) {
                        valueView = values[i].toString();
                    }
                    evidenceLog("  " + key + "[" + i + "] = " + valueView);
                }
            } else {
                evidenceLog("  " + key + " = " + value.toString());
            }
        }
        evidenceLog("}");

        evidenceLog("--------------------------------------------");

    }

    // tB^T?[ubg
    chain.doFilter(req, res);
}

From source file:org.shredzone.commons.view.manager.ViewInvoker.java

/**
 * Evaluates a single parameter of the handler method's parameter list.
 *
 * @param type//from w ww  .j a  v a 2  s . c om
 *            Expected parameter type
 * @param anno
 *            {@link Annotation} of this parameter
 * @param optional
 *            if this parameter is optional and may be {@code null}
 * @param context
 *            {@link ViewContext} containing all necessary data for invoking the view
 * @return Parameter value to be passed to the method
 */
private Object evaluateParameter(Class<?> type, Annotation anno, boolean optional, ViewContext context)
        throws ViewException {

    if (anno instanceof Parameter) {
        String name = ((Parameter) anno).value();
        String value = context.getParameter(name);
        if (value == null && !optional) {
            throw new ViewContextException("Missing parameter " + name);
        }
        return conversionService.convert(value, type);
    }

    if (anno instanceof PathPart) {
        String part = ((PathPart) anno).value();
        String value = context.getPathParts().get(part);
        if (value != null) {
            return conversionService.convert(value, type);
        } else if (optional) {
            return conversionService.convert(null, TypeDescriptor.valueOf(String.class),
                    TypeDescriptor.valueOf(type));
        } else {
            throw new ViewException("Unsatisfied path part: " + part);
        }
    }

    if (anno instanceof Attribute) {
        String name = ((Attribute) anno).value();
        ServletRequest req = context.getValueOfType(ServletRequest.class);
        Object value = req.getAttribute(name);
        if (value == null && !optional) {
            throw new ViewContextException("Missing attribute " + name);
        }
        return conversionService.convert(value, type);
    }

    if (anno instanceof Cookie) {
        String name = ((Cookie) anno).value();
        HttpServletRequest req = context.getValueOfType(HttpServletRequest.class);
        for (javax.servlet.http.Cookie cookie : req.getCookies()) {
            if (name.equals(cookie.getName())) {
                return conversionService.convert(cookie.getValue(), type);
            }
        }
        if (optional) {
            return conversionService.convert(null, TypeDescriptor.valueOf(String.class),
                    TypeDescriptor.valueOf(type));
        } else {
            throw new ViewException("Cookie not set: " + name);
        }
    }

    if (anno instanceof SessionId) {
        HttpSession session = context.getValueOfType(HttpSession.class);
        if (session != null) {
            return conversionService.convert(session.getId(), type);
        } else {
            return conversionService.convert(null, TypeDescriptor.valueOf(String.class),
                    TypeDescriptor.valueOf(type));
        }
    }

    if (anno instanceof Qualifier) {
        // Qualifiers are always optional
        return conversionService.convert(context.getQualifier(), type);
    }

    // Finally, try to get an object of that type from the data provider
    try {
        return context.getValueOfType(type);
    } catch (ViewContextException ex) {
        // ignore and continue...
    }

    // Who the heck would need this...
    if (ViewContext.class.isAssignableFrom(type)) {
        return context;
    }

    // Alas, we cannot find anything to satisfy this parameter
    throw new ViewContextException("Unknown parameter type " + type.getName());
}

From source file:gov.nih.nci.rembrandt.web.taglib.KaplanMeierPlotTag.java

public int doStartTag() {

    ServletRequest request = pageContext.getRequest();
    HttpSession session = pageContext.getSession();
    Object o = request.getAttribute(beanName);
    JspWriter out = pageContext.getOut();
    ServletResponse response = pageContext.getResponse();
    String dataName;//from w  w w  . j  ava 2  s  .c om
    try {
        dataName = BeanUtils.getSimpleProperty(o, datasetName);
        KaplanMeierStoredData cacheData = (KaplanMeierStoredData) presentationTierCache
                .getSessionGraphingData(session.getId(), dataName);
        JFreeChart chart = CaIntegratorChartFactory
                .getKaplanMeierGraph(cacheData.getPlotPointSeriesCollection());

        RembrandtImageFileHandler imageHandler = new RembrandtImageFileHandler(session.getId(), "png", 700,
                500);
        //The final complete path to be used by the webapplication
        String finalPath = imageHandler.getSessionTempFolder();
        /**
         * Create the actual chart, writing it to the session temp folder
         */
        ChartUtilities.writeChartAsPNG(new FileOutputStream(finalPath), chart, 700, 500);
        /*
         *   This is here to put the thread into a loop while it waits for the
         *   image to be available.  It has an unsophisticated timer but at 
         *   least it is something to avoid an endless loop.
         *  
         */
        boolean imageReady = false;
        int timeout = 1000;
        FileInputStream inputStream = null;
        while (!imageReady) {
            timeout--;
            try {
                inputStream = new FileInputStream(finalPath);
                inputStream.available();
                imageReady = true;
                inputStream.close();
            } catch (IOException ioe) {
                imageReady = false;
                if (inputStream != null) {
                    inputStream.close();
                }
            }
            if (timeout <= 1) {

                break;
            }
        }
        out.print(imageHandler.getImageTag());
        out.print(createLegend(cacheData));
    } catch (IllegalAccessException e1) {
        logger.error(e1);
    } catch (InvocationTargetException e1) {
        logger.error(e1);
    } catch (NoSuchMethodException e1) {
        logger.error(e1);
    } catch (IOException e) {
        logger.error(e);
    } catch (Exception e) {
        logger.error(e);
    } catch (Throwable t) {
        logger.error(t);
    }

    return EVAL_BODY_INCLUDE;
}