Example usage for javax.servlet ServletRequest getParameter

Introduction

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

Prototype

public String getParameter(String name);

Source Link

Document

Returns the value of a request parameter as a String, or null if the parameter does not exist.

Usage

From source file:com.edgenius.wiki.security.acegi.CaptchaValidationProcessingFilter.java

public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    String captchaResponse = request.getParameter(captchaValidationParameter);
    //        if(true)
    //           throw new IOException("EOF");
    if ((request != null) && request instanceof HttpServletRequest && (captchaResponse != null)) {
        logger.debug("captcha validation parameter found");

        //get session
        HttpSession session = ((HttpServletRequest) request).getSession();

        if (session != null) {
            String id = session.getId();
            boolean valid = this.captchaService.validateReponseForId(id, captchaResponse);
            processVerify(request, response, chain, valid);
        } else {//from  www  .  j  av  a  2 s .c o  m
            logger.debug("no session found, user don't even ask a captcha challenge");
        }
    } else {
        chain.doFilter(request, response);
    }

}

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From source file:org.kuali.rice.krad.filter.TestingLoginFilter.java

/**
 * Looks for a login user request parameter and establishs a user session for that user, then simply
 * returns a login message./*from w w w  .  ja  v  a  2  s . c  om*/
 *
 * {@inheritDoc}
 */
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    HttpServletRequest httpServletRequest = (HttpServletRequest) request;

    if (StringUtils.isBlank(request.getParameter("login_user"))) {
        return;
    }

    final String user = request.getParameter("login_user");

    UserSession userSession = new UserSession(user);
    httpServletRequest.getSession().setAttribute(KRADConstants.USER_SESSION_KEY, userSession);

    // wrap the request with the signed in user
    // UserLoginFilter and WebAuthenticationService will build the session
    request = new HttpServletRequestWrapper(httpServletRequest) {
        @Override
        public String getRemoteUser() {
            return user;
        }
    };

    response.getWriter().print("Login Successful.");
}

---

From source file:com.acs.manager.CustomManager.java

public UIViewRoot restoreView(FacesContext context, String viewId, String renderKitId) {

    // no need to synchronize here even though the user, double clicking 
    // a button, may start two request threads. Each will just parse the
    // view state info creating a new view root
    UIViewRoot viewRoot = null;//from   w  w w  . j  a v  a2s. c  om

    // the view key from the request
    ServletRequest request = (ServletRequest) context.getExternalContext().getRequest();
    String postedViewId = request.getParameter(ENHANCED_SERVER_STATE_SAVING);

    if (null != postedViewId) {

        //restore viewRoot from serialized view that was saved in session
        SerializedView serializedView = (SerializedView) context.getExternalContext().getSessionMap()
                .get(postedViewId);
        if (null != serializedView) {
            ViewStructure viewStructure = (ViewStructure) serializedView.getStructure();
            viewRoot = (UIViewRoot) viewStructure.createComponent();
            viewStructure.restoreStructure(viewStructure, viewRoot);
            if (null != viewRoot) {
                viewRoot.processRestoreState(context, serializedView.getState());
            }
        }
    }

    return viewRoot;
}

---

From source file:com.java2s.SendFilter.java

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

    //get the file name from the 'file' parameter
    String fileName = request.getParameter("file");
    if (fileName == null || fileName.equals(""))
        throw new ServletException("Invalid or non-existent file parameter in SendPdf component.");

    if (fileName.indexOf(".pdf") == -1)
        fileName = fileName + ".pdf";

    ServletOutputStream stream = null;// ww  w .  j a  v  a 2 s .  c om
    BufferedInputStream buf = null;
    HttpServletResponse httpResp = null;
    try {

        httpResp = (HttpServletResponse) response;
        stream = httpResp.getOutputStream();
        File pdf = new File(PDF_DIR + "/" + fileName);

        //set response headers
        httpResp.setContentType(PDF_CONTENT_TYPE);
        httpResp.addHeader("Content-Disposition", "attachment; filename=" + fileName);
        httpResp.setContentLength((int) pdf.length());

        FileInputStream input = new FileInputStream(pdf);
        buf = new BufferedInputStream(input);
        int readBytes = 0;
        //read from the file; write to the ServletOutputStream
        while ((readBytes = buf.read()) != -1)
            stream.write(readBytes);

    } catch (Exception ioe) {

        //  throw new ServletException(ioe.getMessage());
        System.out.println(ioe.getMessage());

    } finally {

        if (buf != null)
            buf.close();
        if (stream != null) {
            stream.flush();
            //stream.close();
        }

    } //end finally
    chain.doFilter(request, httpResp);
}

---

From source file:org.springframework.security.captcha.CaptchaValidationProcessingFilter.java

/**
 * @param request servlet request./*from   w  w w . j  a va 2s .  c o  m*/
 * @param response servlet response
 * @param chain Filter chain
 * @throws IOException io
 * @throws ServletException servlet
 */
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    String captchaResponse = request.getParameter(captchaValidationParameter);

    if (request instanceof HttpServletRequest && (captchaResponse != null)) {
        logger.debug("captcha validation parameter found");

        // validate the request against CaptchaServiceProxy
        boolean valid = false;

        logger.debug("try to validate");

        //get session
        HttpSession session = ((HttpServletRequest) request).getSession();

        if (session != null) {
            String id = session.getId();
            valid = this.captchaService.validateReponseForId(id, captchaResponse);
            logger.debug("captchaServiceProxy says : request is valid = " + valid);

            if (valid) {
                logger.debug("update the context");
                ((CaptchaSecurityContext) SecurityContextHolder.getContext()).setHuman();

                //logger.debug("retrieve original request from ")
            } else {
                logger.debug("captcha test failed");
            }
        } else {
            logger.debug("no session found, user don't even ask a captcha challenge");
        }
    } else {
        logger.debug("captcha validation parameter not found, do nothing");
    }

    if (logger.isDebugEnabled()) {
        logger.debug("chain ...");
    }

    chain.doFilter(request, response);
}

---

From source file:org.sonar.ide.test.TestServlet.java

@Override
public void service(ServletRequest request, ServletResponse response) throws ServletException, IOException {
    PrintWriter out = response.getWriter();
    String json;//from w  ww . j  a  v a  2s .c  o  m
    try {
        String resourceKey = request.getParameter("resource");
        String[] parts = resourceKey.split(":");
        switch (parts.length) {
        case 2:
            json = loadProjectData(parts[0], parts[1]);
            break;
        case 3:
            json = loadFileData(parts[0], parts[1], parts[2]);
            break;
        default:
            json = "[]";
            break;
        }
    } catch (Exception e) {
        SonarTestServer.LOG.error(e.getMessage(), e);
        json = "[]";
    }
    out.println(json);
}

---

From source file:com.aurel.track.admin.customize.category.filter.parameters.FilterSelectsParametersUtil.java

/**
 * Replaces the parameters from the filterUpperTO selects with corresponding parameters from request 
 * @param filterUpperTO//  www.  j a v  a2s  .  c o  m
 * @param request
 * @param personBean
 * @param locale
 * @param clear
 * @return
 */
public static FilterUpperTO replaceFilterSelectsParameters(FilterUpperTO filterUpperTO, ServletRequest request,
        TPersonBean personBean, Locale locale, boolean clear) throws NotExistingBeanException {
    if (request != null) {
        //only the upper selects are parameterizable for encoded query urls!
        List<IntegerStringBean> parametrizedFields = FilterSelectsParametersUtil
                .getParameterizedFields(filterUpperTO);
        if (parametrizedFields != null && !parametrizedFields.isEmpty()) {
            //prepares the paramsRequest: from label based values in request it creates fieldID based values 
            Map<Integer, String> paramsRequest = new HashMap<Integer, String>();
            for (int i = 0; i < parametrizedFields.size(); i++) {
                IntegerStringBean integerStringBean = parametrizedFields.get(i);
                String value = request.getParameter(integerStringBean.getLabel());
                if (value != null && value.length() > 0) {
                    Integer fieldID = integerStringBean.getValue();
                    paramsRequest.put(fieldID, value);
                }
            }
            filterUpperTO = FilterSelectsListsLoader.loadFilterSelects(filterUpperTO, personBean, locale, false,
                    false);
            filterUpperTO = replaceFilterSelectsParameters(filterUpperTO, personBean.getObjectID(),
                    paramsRequest, clear);
        }
    }
    return filterUpperTO;
}

---

From source file:edu.cornell.mannlib.vitro.webapp.edit.n3editing.VTwo.EditConfigurationVTwo.java

/**
 * The editKey can be a HTTP query parameter or it can be a request attribute.
 *///from  ww  w .  j av  a  2s .co  m
public static String getEditKeyFromRequest(ServletRequest request) {
    String key = null;
    if (request instanceof VitroRequest) {
        return request.getParameter("editKey");
    } else if (request instanceof HttpServletRequest) {
        HttpServletRequest hsreq = (HttpServletRequest) request;
        boolean isMultipart = ServletFileUpload.isMultipartContent(hsreq);
        if (isMultipart) {
            //multipart parsing will consume all request parameters so
            //the editKey needs to be stashed in the request attributes.
            key = (String) request.getAttribute("editKey");
            if (key == null) {
                // handle the cancel button where nothing is really uploaded
                key = request.getParameter("editKey");
            }
        } else {
            key = (String) request.getAttribute("editKey");
            if (key != null) {
                return key;
            } else {
                key = request.getParameter("editKey");
            }
        }
    }

    if (key != null && key.trim().length() > 0) {
        return key;
    } else {
        log.debug("cannnot find editKey in request query parameters or from request");
        return null;
    }
}

---

From source file:dk.netarkivet.harvester.webinterface.SnapshotHarvestDefinition.java

/**
 * Flip the active status of a harvestdefinition named in the "flipactive" parameter.
 *
 * @param context The context of the web servlet
 * @param i18n Translation information//from   w  w w  . jav  a 2 s. c o m
 * @return True if a harvest definition changed state.
 */
public boolean flipActive(PageContext context, I18n i18n) {
    ArgumentNotValid.checkNotNull(context, "PageContext context");
    ArgumentNotValid.checkNotNull(i18n, "I18n i18n");

    ServletRequest request = context.getRequest();
    String flipactive = request.getParameter(Constants.FLIPACTIVE_PARAM);
    // Change activation if requested
    if (flipactive != null) {
        HarvestDefinition hd = hdDaoProvider.get().getHarvestDefinition(flipactive);
        if (hd != null) {
            boolean isActive = hd.getActive();
            boolean useDeduplication = Settings.getBoolean(HarvesterSettings.DEDUPLICATION_ENABLED);
            if (!isActive) {
                if (hd instanceof FullHarvest) {
                    FullHarvest fhd = (FullHarvest) hd;
                    validatePreviousHd(fhd, context, i18n);
                    if (useDeduplication) {
                        // The client for requesting job index.
                        JobIndexCache jobIndexCache = IndexClientFactory.getDedupCrawllogInstance();
                        Long harvestId = fhd.getOid();
                        Set<Long> jobSet = hdDaoProvider.get()
                                .getJobIdsForSnapshotDeduplicationIndex(harvestId);
                        jobIndexCache.requestIndex(jobSet, harvestId);
                    } else {
                        // If deduplication disabled set indexReady to true
                        // right now, so the job generation can proceed.
                        fhd.setIndexReady(true);
                    }
                } else { // hd is not Fullharvest
                    log.warn("Harvestdefinition #" + hd.getOid() + " is not a FullHarvest " + " but a "
                            + hd.getClass().getName());
                    return false;
                }
            }
            hd.setActive(!hd.getActive());
            hdDaoProvider.get().update(hd);
            return true;
        } else {
            HTMLUtils.forwardWithErrorMessage(context, i18n, "errormsg;harvestdefinition.0.does.not.exist",
                    flipactive);
            throw new ForwardedToErrorPage("Harvest definition " + flipactive + " doesn't exist");
        }
    }
    return false;
}

---

From source file:com.belajar_filter.config.GeneralFilterConfig.java

@Override
public void doFilter(ServletRequest req, ServletResponse res, FilterChain fc)
        throws IOException, ServletException {
    log.debug("execute do filter ... ");
    HttpServletResponse response = (HttpServletResponse) res;
    HttpServletRequest request = (HttpServletRequest) req;

    String getParam = req.getParameter("name");
    log.debug("intercept param : " + getParam);

    fc.doFilter(req, res);//  w w  w. j a  v a 2 s  .c om

}

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