Example usage for javax.servlet.http HttpServletRequest getParameterNames

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletRequest getParameterNames.

Prototype

public Enumeration<String> getParameterNames();

Source Link

Document

Returns an Enumeration of String objects containing the names of the parameters contained in this request.

Usage

From source file:org.apache.ofbiz.base.util.UtilHttp.java

/**
 * Put request parameters in request object as attributes.
 * @param request/*from  w  ww.  jav  a  2 s.  c o  m*/
 */
public static void parametersToAttributes(HttpServletRequest request) {
    java.util.Enumeration<String> e = UtilGenerics.cast(request.getParameterNames());
    while (e.hasMoreElements()) {
        String name = e.nextElement();
        request.setAttribute(name, request.getParameter(name));
    }
}

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From source file:com.jaspersoft.jasperserver.rest.utils.Utils.java

/**
 * Look for parameters provided by the client.
 *
 * @param req  HttpServletRequest/*w ww  . j a v  a  2  s.c om*/
 * @return Map<String,Object>
 */
public Map<String, Object> extractParameters(HttpServletRequest req) {
    Map<String, Object> parameters = new HashMap<String, Object>();
    Enumeration penum = req.getParameterNames();
    while (penum.hasMoreElements()) {
        String pname = (String) penum.nextElement();
        if (pname.startsWith("P_")) {
            parameters.put(pname.substring(2), req.getParameter(pname));
        } else if (pname.startsWith("PL_")) {
            parameters.put(pname.substring(3), Arrays.asList(req.getParameterValues(pname)));
        }
    }
    return parameters;
}

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From source file:alpha.portal.webapp.controller.CardFormController.java

/**
 * handles the case, if the user clicks on one of the buttons.
 * //from   ww  w.j a  va2  s.  co  m
 * @param myCard
 *            the my card
 * @param errors
 *            the errors
 * @param request
 *            the request
 * @param response
 *            the response
 * @return success view
 * @throws Exception
 *             the exception
 */
@SuppressWarnings("unchecked")
@RequestMapping(method = RequestMethod.POST)
public String onSubmit(final AlphaCard myCard, final BindingResult errors, final HttpServletRequest request,
        final HttpServletResponse response) throws Exception {

    this.log.fatal("This fallback Method should not be called");

    final Enumeration params = request.getParameterNames();
    while (params.hasMoreElements()) {
        this.log.error(params.nextElement().toString());
    }

    return "redirect:/caseform?caseId=" + myCard.getAlphaCardIdentifier().getCaseId();
}

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From source file:classes.Product.java

/**
 * Handles the HTTP <code>GET</code> method.
 *
 * @param request servlet request// w ww .  j av  a 2s.  c o m
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occuresultSet
 * @throws IOException if an I/O error occuresultSet
 */
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    // to indicate content type
    response.setHeader("Content-Type", "text/plain-text");

    try {
        //getting response from user
        PrintWriter printer = response.getWriter();

        String query = "SELECT * FROM products;";

        if (!request.getParameterNames().hasMoreElements()) {
            printer.println(getResult(query));
        } else {
            int id = Integer.parseInt(request.getParameter("productId"));
            printer.println(getResult("SELECT * FROM products WHERE Product_id= ?", String.valueOf(id)));
        }

    } catch (IOException ex) {
        System.err.println("Input printer Exception: " + ex.getMessage());
    }
}

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From source file:com.concursive.connect.web.portal.PortalURLParserImpl.java

/**
 * Parse a servlet request to a portal URL.
 *
 * @param request the servlet request to parse.
 * @return the portal URL./* ww  w  . j ava2  s  . c o m*/
 */
public PortalURL parse(HttpServletRequest request) {

    LOG.debug("Parsing URL: " + request.getRequestURI());

    if (LOG.isDebugEnabled()) {
        Enumeration params = request.getParameterNames();
        while (params.hasMoreElements()) {
            String param = (String) params.nextElement();
            LOG.debug("  parameter: " + param + "=" + request.getParameter(param));
        }
    }

    StringBuffer url = new StringBuffer();
    if (request.getParameterMap() != null) {
        // To construct the base URL for the portal, append the allowed portal URL
        // parameters that are specified by the portal manager
        ArrayList allowedPortalParams = (ArrayList) request.getAttribute(ALLOWED_PORTAL_PARAMETERS);
        if (allowedPortalParams != null) {
            Iterator i = allowedPortalParams.iterator();
            while (i.hasNext()) {
                String paramName = (String) i.next();
                String paramValue = request.getParameter(paramName);
                if (paramValue != null) {
                    // @note TEST TEST TEST
                    //appendParameter(url, paramName + "=" + paramValue);
                    appendParameter(url, paramName + "=" + StringUtils.encodeUrl(paramValue));
                }
            }
        }
    }

    String servletName = request.getServletPath() + url.toString();

    // Construct portal URL using info retrieved from servlet request
    String contextPath = request.getContextPath();
    LOG.debug("contextPath: " + contextPath);
    PortalURL portalURL = new RelativePortalURLImpl(contextPath, servletName, getParser());

    // Action window definition: portalURL.setActionWindow()
    String portletAction = request.getParameter("portletAction");
    if (portletAction != null && portletAction.startsWith(PREFIX + ACTION)) {
        LOG.debug("found action");
        portalURL.setActionWindow(decodeControlParameter(portletAction)[0]);
        portalURL.setRenderPath(contextPath + ".");
    }

    // Window state definition: portalURL.setWindowState()
    String portletWindowState = null;
    int windowStateCount = 0;
    while ((portletWindowState = request.getParameter("portletWindowState" + (++windowStateCount))) != null) {
        String[] decoded = decodeControlParameter(portletWindowState);
        portalURL.setWindowState(decoded[0], new WindowState(decoded[1]));
    }

    // Portlet mode definition: portalURL.setPortletMode()
    String portletMode = request.getParameter("portletMode");
    if (portletMode != null) {
        String[] decoded = decodeControlParameter(portletMode);
        portalURL.setPortletMode(decoded[0], new PortletMode(decoded[1]));
    }

    // Portal URL parameter: portalURL.addParameter()
    Enumeration params = request.getParameterNames();
    while (params.hasMoreElements()) {
        String parameter = (String) params.nextElement();
        if (parameter.startsWith(PREFIX + RENDER_PARAM)) {
            String value = request.getParameter(parameter);
            LOG.debug("parameter: " + parameter);
            // @note TEST TEST TEST
            //portalURL.addParameter(decodeParameter(parameter, value));
            portalURL.addParameter(decodeParameter(parameter, StringUtils.encodeUrl(value)));
        }
    }

    // Return the portal URL.
    return portalURL;
}

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From source file:io.kahu.hawaii.rest.AbstractController.java

protected RequestLogBuilder requestLog() {

    String method = new Throwable().getStackTrace()[1].getMethodName();
    String type = logTypePrefix + "." + method;
    RequestLogBuilder builder = new RequestLogBuilder(logManager, type);

    try {/*from   w  w  w . j a v  a  2  s . c om*/
        ServletRequestAttributes sra = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        HttpServletRequest request = sra.getRequest();

        // path variables
        Map<String, String> pathVariables = (Map<String, String>) request
                .getAttribute(HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE);
        if (pathVariables != null) {
            for (Map.Entry<String, String> entry : pathVariables.entrySet()) {
                builder.param(entry.getKey(), entry.getValue());
            }
        }

        // request parameters
        Enumeration<?> requestParameters = request.getParameterNames();
        while (requestParameters.hasMoreElements()) {
            String key = (String) requestParameters.nextElement();
            String[] values = request.getParameterValues(key);
            builder.param(key, values);
        }

    } catch (Throwable t) {
        logManager.warn(CoreLoggers.SERVER, "Unable to log request", t);
        // ignore
    }
    return builder.excludeParam("_");
}

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From source file:cn.itcast.bbs.controller.BbsServlet.java

private void editTopic(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    try {//  w  w w  .  j  a v a  2s  .  c  om
        Topic topic = new Topic();
        Enumeration<String> enums = request.getParameterNames();
        while (enums.hasMoreElements()) {
            String key = enums.nextElement();
            if (key.equals("method") || key.equals("typeId")) {
                continue;
            }
            String[] value = request.getParameterValues(key);
            BeanUtils.setProperty(topic, key, value);
        }
        service.updateTopic(topic);
        int typeId = Integer.parseInt(request.getParameter("typeId"));
        response.sendRedirect(request.getContextPath() + "/BbsServlet?method=showAllTopic&typeId=" + typeId);
    } catch (Exception e) {
        e.printStackTrace();
        request.setAttribute("message", "");
        request.getRequestDispatcher("/WEB-INF/bbs/message.jsp").forward(request, response);
    }

}

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From source file:jp.mathes.databaseWiki.web.DbwServlet.java

@SuppressWarnings("unchecked")
private void redirect(final String baseURL, final HttpServletRequest req, final HttpServletResponse resp,
        final String db, final String table, String name, final boolean withParameters) throws IOException {
    name = URLEncoder.encode(name, "UTF-8");
    StringBuilder paramStr = new StringBuilder();
    if (withParameters) {
        for (String paramName : Collections.list((Enumeration<String>) req.getParameterNames())) {
            if (paramName.startsWith("_") || paramName.equals("name")) {
                continue;
            }//from   w w  w  .j  a  v a2  s .  c  om
            for (String value : req.getParameterValues(paramName)) {
                paramStr.append(paramName).append("=").append(value).append("&");
            }
        }
    }
    if (paramStr.length() > 0) {
        resp.sendRedirect(
                String.format(baseURL + "?%s", req.getContextPath(), db, table, name, paramStr.toString()));
    } else {
        resp.sendRedirect(String.format(baseURL, req.getContextPath(), db, table, name));
    }
}

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From source file:com.emc.plants.web.servlets.ShoppingServlet.java

/**
 * Process incoming HTTP POST requests/*from w  ww.  j a  v  a 2  s.co  m*/
 *
 * @param request Object that encapsulates the request to the servlet
 * @param response Object that encapsulates the response from the servlet
 */
public void doPost(javax.servlet.http.HttpServletRequest request,
        javax.servlet.http.HttpServletResponse response) throws ServletException, IOException {
    //sanitize the request parameters to prevent XSS security vulnerability
    Enumeration names = request.getParameterNames();
    while (names.hasMoreElements()) {
        String val = (String) request.getParameter((String) names.nextElement());
        if (!Util.validateString(val)) {
            throw new ServletException(
                    "Invalid input parameter in ShoppingServlet:" + URLEncoder.encode(val, "UTF8"));
        }
    }
    performTask(request, response);
}

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From source file:cn.itcast.bbs.controller.BbsServlet.java

private void register(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    User user = new User();
    Enumeration<String> enums = request.getParameterNames();
    try {/*from  www  .  j  a v  a  2  s .c  o  m*/
        while (enums.hasMoreElements()) {
            String name = enums.nextElement();
            if (name.equals("method") || name.equals("checkCode")) {
                continue;
            }
            String[] value = request.getParameterValues(name);
            //System.out.println(name+":"+value[0]);
            BeanUtils.setProperty(user, name, value);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    String checkCode = request.getParameter("checkCode");
    HttpSession session = request.getSession();
    String ideacheckCode = (String) session.getAttribute("checkCode");
    try {
        //???
        if (checkCode.equals(ideacheckCode)) {
            RegisterForm registerForm = new RegisterForm();
            //??????
            if (registerForm.validate(user)) {
                if (service.findUser(user.getUsername()) == null) {
                    if (registerForm.validate2Password(user)) {
                        session.setAttribute("user", user);
                        List<String> usernameList = (List<String>) this.getServletContext()
                                .getAttribute("usernameList");
                        usernameList.add(user.getUsername());
                        service.saveUser(user);
                        request.setAttribute("message", "<font color='red'>??</font>");
                        response.setHeader("Refresh", "2;/my-bbs/");
                        request.getRequestDispatcher("/WEB-INF/bbs/register.jsp").forward(request, response);
                    } else {
                        //??
                        request.setAttribute("passmessage",
                                "<font color='red'>???</font>");
                        request.getRequestDispatcher("/WEB-INF/bbs/register.jsp").forward(request, response);
                    }
                } else {
                    //??
                    request.setAttribute("usermessage", "<font color='red'>??</font>");
                    request.getRequestDispatcher("/WEB-INF/bbs/register.jsp").forward(request, response);
                }
            } else {
                //?????
                request.setAttribute("registerForm", registerForm);
                request.getRequestDispatcher("/WEB-INF/bbs/register.jsp").forward(request, response);
            }
        } else {
            //???
            request.setAttribute("checkmessage",
                    "<font color='red'>????</font>");
            request.getRequestDispatcher("/WEB-INF/bbs/register.jsp").forward(request, response);
        }
        request.setAttribute("user", user);
    } catch (Exception e) {
        e.printStackTrace();
        request.setAttribute("message", "");
        request.getRequestDispatcher("/WEB-INF/bbs/message.jsp").forward(request, response);
    }
}

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