Example usage for javax.servlet.http HttpServletRequest getParameterNames

List of usage examples for javax.servlet.http HttpServletRequest getParameterNames

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  4. javax.servlet.http.*
  5. HttpServletRequest
  6. 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:dk.cphbusiness.codecheck.web.Upload.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
 *
 * @param request servlet request//from w ww . j a v a2s  .  c  o m
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    Enumeration<String> paramNames = request.getParameterNames();
    while (paramNames.hasMoreElements()) {
        String name = paramNames.nextElement();
        String value = request.getParameter(name);
        System.out.println(name + ": " + value);
    }
    boolean isMultipart = ServletFileUpload.isMultipartContent(request);
    if (!isMultipart) {
        try (PrintWriter out = response.getWriter()) {
            out.println("Error: not a multipart request.");
            return;
        }
    }

    // Create a factory for disk-based file items
    DiskFileItemFactory factory = new DiskFileItemFactory();

    // Configure a repository (to ensure a secure temp location is used)
    //ServletContext servletContext = this.getServletConfig().getServletContext();
    //File repository = (File) servletContext.getAttribute("javax.servlet.context.tempdir");
    File repository = new File(Config.UPLOAD_FOLDER);
    factory.setRepository(repository);

    // Create a new file upload handler
    ServletFileUpload upload = new ServletFileUpload(factory);
    int taskID = -1;
    try {
        // Parse the request
        List<FileItem> items = upload.parseRequest(request);
        FileItem ft = null;
        for (FileItem item : items) {
            if (item.isFormField()) {
                if ("TaskID".equals(item.getFieldName())) {
                    taskID = Integer.parseInt(item.getString());
                }
            } else {
                ft = item;
            }
        }
        if (taskID > 0 && ft != null) {
            int reportID = DBUtil.createReport(taskID);
            String fileName = "HandIn_" + reportID + ".jar";
            ft.write(new File(Config.UPLOAD_FOLDER + fileName));
            Task task = DBUtil.getTask(taskID);
            CodeChecker codeChecker = new CodeChecker(reportID, task, fileName);
            Thread t = new Thread(codeChecker);
            t.start();
            //codeChecker.run();
            response.sendRedirect("/CodeCheckWeb/ShowReport?ReportID=" + reportID);
        }
    } catch (FileUploadException ex) {
        Logger.getLogger(Upload.class.getName()).log(Level.SEVERE, null, ex);
    } catch (Exception ex) {
        Logger.getLogger(Upload.class.getName()).log(Level.SEVERE, null, ex);
    }

}

From source file:com.netpace.cms.sso.filter.AlfrescoOpenSSOFilter.java

private boolean isLoginRequest(HttpServletRequest request) {
    Enumeration parameterNames = request.getParameterNames();
    while (parameterNames.hasMoreElements()) {
        String parameter = (String) parameterNames.nextElement();
        String[] string = request.getParameterValues(parameter);
        for (int i = 0; i < string.length; i++) {
            if (string[i] != null && string[i].contains(":login")) {
                return true;
            }//from   w  w w . j a  v  a 2 s  .  c o m
        }
    }
    return false;
}

From source file:com.netpace.cms.sso.filter.AlfrescoOpenSSOFilter.java

private boolean isLogoutRequest(HttpServletRequest request) {
    Enumeration parameterNames = request.getParameterNames();
    while (parameterNames.hasMoreElements()) {
        String parameter = (String) parameterNames.nextElement();
        String[] string = request.getParameterValues(parameter);
        for (int i = 0; i < string.length; i++) {
            if (string[i] != null && string[i].contains(":logout")) {
                return true;
            }//w  ww.  j  a v  a  2  s.c o m
        }
    }
    return false;
}

From source file:org.opensprout.osaf.web.support.PageNavigation.java

@SuppressWarnings("unchecked")
private String extractSearchParamsExceptPageParams(HttpServletRequest req) {
    StringBuilder param = new StringBuilder();

    try {/*from w  w  w  .  j a  v  a  2s  . c o m*/
        Enumeration<String> e = req.getParameterNames();
        while (e.hasMoreElements()) {
            String key = e.nextElement();

            if (key.equals(PAGE_PARAM_NAME) || key.equals(PAGESIZE_PARAM_NAME) || key.equals(ORDER_PARAM_NAME))
                continue;

            String value = req.getParameter(key);
            param.append("&");
            param.append(key);
            param.append("=");
            param.append(URLEncoder.encode(value, "EUC-KR"));
        }

        return param.toString();
    } catch (UnsupportedEncodingException e1) {
        throw new RuntimeException(e1);
    }
}

From source file:com.app.kmsystem.util.StringUtils.java

/**
 * Return an ordered map of request parameters from the given request.
 *
 * @param request the servlet request to obtain request parameters from
 * @return the ordered map of request parameters
 *///from w w  w  .  ja  v a  2 s .  c  o  m
@SuppressWarnings("unchecked")
public static Map<String, String> getRequestParameters(HttpServletRequest request) {

    TreeMap<String, String> requestParams = new TreeMap<String, String>();

    Enumeration paramNames = request.getParameterNames();
    while (paramNames.hasMoreElements()) {
        String name = paramNames.nextElement().toString();

        String[] values = request.getParameterValues(name);
        HtmlStringBuffer valsBuffer = new HtmlStringBuffer(32);

        if (values.length == 1) {
            valsBuffer.append(values[0]);

        } else {
            for (int i = 0; i < values.length; i++) {
                if (i == 0) {
                    valsBuffer.append("[");
                }
                valsBuffer.append(values[i]);
                if (i == values.length - 1) {
                    valsBuffer.append("]");
                } else {
                    valsBuffer.append(",");
                }
            }
        }
        requestParams.put(name, valsBuffer.toString());
    }

    return requestParams;
}

From source file:co.id.app.sys.util.StringUtils.java

/**
 * Return an ordered map of request parameters from the given request.
 *
 * @param request the servlet request to obtain request parameters from
 * @return the ordered map of request parameters
 *//*from  w  w w .  ja v  a2  s . c  o  m*/
@SuppressWarnings("rawtypes")
public static Map<String, String> getRequestParameters(HttpServletRequest request) {

    TreeMap<String, String> requestParams = new TreeMap<String, String>();

    Enumeration paramNames = request.getParameterNames();
    while (paramNames.hasMoreElements()) {
        String name = paramNames.nextElement().toString();

        String[] values = request.getParameterValues(name);
        HtmlStringBuffer valsBuffer = new HtmlStringBuffer(32);

        if (values.length == 1) {
            valsBuffer.append(values[0]);

        } else {
            for (int i = 0; i < values.length; i++) {
                if (i == 0) {
                    valsBuffer.append("[");
                }
                valsBuffer.append(values[i]);
                if (i == values.length - 1) {
                    valsBuffer.append("]");
                } else {
                    valsBuffer.append(",");
                }
            }
        }
        requestParams.put(name, valsBuffer.toString());
    }

    return requestParams;
}

From source file:com.glaf.core.util.RequestUtils.java

/**
 * request??//from   w ww . j a  v a 2  s.c  om
 * 
 * @param request
 * @return
 */
public static Map<String, Object> getParameterMap(HttpServletRequest request) {
    Map<String, Object> dataMap = new java.util.HashMap<String, Object>();
    Enumeration<?> enumeration = request.getParameterNames();
    while (enumeration.hasMoreElements()) {
        String paramName = (String) enumeration.nextElement();
        String paramValue = getParameter(request, paramName);
        if (StringUtils.isNotEmpty(paramName) && StringUtils.isNotEmpty(paramValue)) {
            if (paramValue.equalsIgnoreCase("null")) {
                continue;
            }
            dataMap.put(paramName, paramValue);
            String tmp = paramName.trim().toLowerCase();
            if (tmp.indexOf("date") > 0) {
                try {
                    Date date = DateUtils.toDate(paramValue);
                    dataMap.put(tmp, date);
                } catch (Exception ex) {
                }
            } else if (tmp.startsWith("x_encode_")) {
                String name = StringTools.replace(paramName, "x_encode_", "");
                dataMap.put(name, decodeString(paramValue));
            } else if (tmp.startsWith("x_collection_")) {
                String name = StringTools.replace(paramName, "x_collection_", "");
                dataMap.put(name, StringTools.split(paramValue));
            }
        }
    }
    return dataMap;
}

From source file:edu.cornell.mannlib.vedit.controller.BaseEditController.java

protected void populateBeanFromParams(Object bean, HttpServletRequest request) {
    Map params = request.getParameterMap();
    Enumeration paramNames = request.getParameterNames();
    while (paramNames.hasMoreElements()) {
        String key = "";
        try {//  w  w  w  .  jav  a2 s.  c om
            key = (String) paramNames.nextElement();
        } catch (ClassCastException cce) {
            log.error("populateBeanFromParams() could not cast parameter name to String");
        }
        String value = "";
        if (key.equals(MULTIPLEXED_PARAMETER_NAME)) {
            String multiplexedStr = request.getParameterValues(key)[0];
            Map paramMap = FormUtils.beanParamMapFromString(multiplexedStr);
            Iterator paramIt = paramMap.keySet().iterator();
            while (paramIt.hasNext()) {
                String param = (String) paramIt.next();
                String demultiplexedValue = (String) paramMap.get(param);
                FormUtils.beanSet(bean, param, demultiplexedValue);
            }

        } else {
            try {
                value = (String) request.getParameterValues(key)[0];
            } catch (ClassCastException cce) {
                try {
                    value = ((Integer) params.get(key)).toString();
                } catch (ClassCastException ccf) {
                    log.error("populateBeanFromParams() could not cast parameter name to String");
                }
            }
            FormUtils.beanSet(bean, key, value);
        }
    }
}

From source file:com.glaf.core.util.RequestUtils.java

/**
 * request??/*w  w  w .ja  v a  2s. co m*/
 * 
 * @param request
 * @return
 */
public static Map<String, Object> getParameterMap(HttpServletRequest request, String prefix) {
    Map<String, Object> dataMap = new java.util.HashMap<String, Object>();
    Enumeration<?> enumeration = request.getParameterNames();
    while (enumeration.hasMoreElements()) {
        String paramName = (String) enumeration.nextElement();
        String paramValue = getParameter(request, paramName);
        if (paramName != null && paramValue != null) {
            if (paramValue.trim().length() > 0 && !"null".equalsIgnoreCase(paramValue)) {
                if (!paramName.startsWith(prefix)) {
                    continue;
                }
                paramName = paramName.substring(prefix.length());
                dataMap.put(paramName, paramValue);
            }
        }
    }
    return dataMap;
}

From source file:CreateGameServlet.java

protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    JSONObject json = new JSONObject();

    Enumeration paramNames = request.getParameterNames();
    String params[] = new String[1];
    int i = 0;/*from ww w .  j  a  v a2 s.  co  m*/
    while (paramNames.hasMoreElements()) {
        String paramName = (String) paramNames.nextElement();
        String[] paramValues = request.getParameterValues(paramName);
        params[i] = paramValues[0];
        i++;
    }
    //System.out.println("param0->"+params[0]);

    DatabaseHandler db = new DatabaseHandler();

    conn = db.makeConnection();

    try {
        stmt = conn.createStatement();

        String query = "INSERT INTO game (hoster,nameplayer1) VALUES (\"" + params[0] + "\",\"" + params[0]
                + "\")";
        //System.out.println(query);

        int updatedRows = stmt.executeUpdate(query);
        if (updatedRows == 1) {
            json.put("reply", "done");
        } else {
            json.put("reply", "undone");
        }

        query = "SELECT id FROM game WHERE hoster=\"" + params[0] + "\"";
        PreparedStatement prstmt = conn.prepareStatement(query);
        ResultSet rs = prstmt.executeQuery();
        String id = "0";
        while (rs.next()) {
            id = rs.getString("id");
        }
        //System.out.println("id-> "+id);
        if (!id.equals("0")) {
            json.put("gameid", id);
        }

    } catch (SQLException ex) {
        Logger.getLogger(CreateGameServlet.class.getName()).log(Level.SEVERE, null, ex);
    }
    response.setContentType("application/json");
    response.setCharacterEncoding("UTF-8");
    response.getWriter().write(json.toString());

    db.closeAllConnections(conn, stmt);

}