Example usage for javax.servlet.http HttpServletRequest getParameter

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

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  6. getParameter

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletRequest 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:de.knurt.fam.template.util.ContactDetailsRequestHandler.java

/**
 * return the value with given key in given request, if it is set and not
 * empty.//from www.  j  a v a2 s.  c  o  m
 * 
 * @param rq
 *            request got
 * @param key
 *            interested in
 * @return the value with given key in given request, if it is set and not
 *         empty.
 */
public static String getValue(HttpServletRequest rq, String key) {
    String result = rq.getParameter(key) == null ? null : rq.getParameter(key).trim();
    return result == null || result.isEmpty() ? null : result;
}

From source file:com.mobileman.projecth.web.util.ViewState.java

public static void copyViewState(HttpServletRequest request, Model model) {
    Map<String, String> postValues = new HashMap<String, String>();
    model.addAttribute("postValues", postValues);
    for (@SuppressWarnings("unchecked")
    Enumeration<String> e = request.getParameterNames(); e.hasMoreElements();) {
        String name = e.nextElement();
        String value = request.getParameter(name);
        postValues.put(name, value);//  www .j  a v a  2s .c o  m

        //remove later, use only postValues
        if (!name.startsWith("select") && !name.contains("password")) {
            model.addAttribute(name, value);
        }
    }
}

From source file:com.silverpeas.util.i18n.I18NHelper.java

public static String[] getLanguageAndTranslationId(HttpServletRequest request) {
    String param = request.getParameter(HTMLSelectObjectName);
    return getLanguageAndTranslationId(param);
}

From source file:com.ai.smart.common.helper.util.RequestUtils.java

/**
 * ?QueryString?URLDecoderUTF-8??post??//from w  w  w  .  ja  v  a  2 s  . co  m
 * HttpServletRequest#getParameter?
 *
 * @param request web
 * @param name    ???
 * @return
 */
public static String getQueryParam(HttpServletRequest request, String name) {
    if (StringUtils.isBlank(name)) {
        return null;
    }
    if (request.getMethod().equalsIgnoreCase(POST)) {
        return request.getParameter(name);
    }
    String s = request.getQueryString();
    if (StringUtils.isBlank(s)) {
        return null;
    }
    try {
        s = URLDecoder.decode(s, UTF8);
    } catch (UnsupportedEncodingException e) {
        log.error("encoding " + UTF8 + " not support?", e);
    }
    String[] values = parseQueryString(s).get(name);
    if (values != null && values.length > 0) {
        return values[values.length - 1];
    } else {
        return null;
    }
}

From source file:co.edu.UNal.ArquitecturaDeSoftware.Bienestar.Vista.App.Admin.CUDEventos.java

protected static void iniciarWSC(HttpServletRequest request, HttpServletResponse response) throws IOException {
    ArrayList<UsuarioEntity> usuarios = CtrlAdmin.iniciarWSC(Integer.parseInt(request.getParameter("1")), //id evento
            Integer.parseInt(request.getParameter("2")), //tamao tabla
            Integer.parseInt(request.getParameter("3"))//pagina
    ); // parameter 1: documentoDocente param2: idTaller

    response.setContentType("application/json;charset=UTF-8");
    PrintWriter out = response.getWriter();

    JSONArray list1 = new JSONArray();
    for (UsuarioEntity usuario : usuarios) {
        JSONObject obj = new JSONObject();
        obj.put("id", usuario.getIdUsuario());
        obj.put("titulo", usuario.getNombres() + " " + usuario.getApellidos());
        list1.add(obj);//from  w  w  w . j a  v a2 s  .c  o m
    }
    out.print(list1);
}

From source file:co.edu.UNal.ArquitecturaDeSoftware.Bienestar.Vista.App.Admin.CUDEventos.java

protected static void eliminarConvocatoria(HttpServletRequest request, HttpServletResponse response)
        throws IOException {
    ArrayList r = CtrlAdmin.eliminarConvocatoria(Integer.parseInt(request.getParameter("1"))); // id

    response.setContentType("application/json;charset=UTF-8");
    PrintWriter out = response.getWriter();
    if (r.get(0) == "error") {
        JSONObject obj = new JSONObject();
        obj.put("isError", true);
        obj.put("errorDescrip", r.get(1));
        out.print(obj);//ww w. j  a va 2  s .  c  o  m
    } else if (r.get(0) == "isExitoso") {
        JSONObject obj = new JSONObject();
        obj.put("Exitoso", true);
        out.print(obj);
    } else
        Util.errordeRespuesta(r, out);
}

From source file:com.runwaysdk.controller.ErrorUtility.java

public static void prepareMessages(HttpServletRequest req) {
    String errorMessage = req.getParameter(ErrorUtility.ERROR_MESSAGE);
    String errorMessageArray = req.getParameter(ErrorUtility.ERROR_MESSAGE_ARRAY);
    String compressedMessage = req.getParameter(ErrorUtility.MESSAGE_ARRAY);

    if (errorMessage != null) {
        req.setAttribute(ERROR_MESSAGE, errorMessage);
    }/* www .jav  a 2s.com*/

    if (errorMessageArray != null) {
        String[] array = errorMessageArray.split("\\n");

        req.setAttribute(ERROR_MESSAGE_ARRAY, array);
    }

    if (compressedMessage != null) {
        String message = ErrorUtility.decompress(compressedMessage);
        String[] array = message.split("\\n");

        req.setAttribute(MESSAGE_ARRAY, array);
    }
}

From source file:common.web.controller.CommonActions.java

/**
 * executes an update, serves as a template method that incapsulates common logic for delete action
 * @param service//  w  w w. j a  v  a 2 s .c o  m
 * @param req
 * @return false if id cannot be converted to long
 */
public static boolean doDelete(IDeleteService<Long> service, HttpServletRequest req) {
    Long id = RequestUtils.getLongParam(req, "id");
    if (id == null) {
        common.CommonAttributes.addErrorMessage("form_errors", req);
        return false;
    }

    String action = req.getParameter(ControllerConfig.ACTION_PARAM_NAME);

    if ("delete".equals(action)) {
        if (service.deleteById(id) > 0) {
            common.CommonAttributes.addHelpMessage("operation_succeed", req);
            //logger.fine("not hasErrors");
        } else {
            common.CommonAttributes.addErrorMessage("operation_fail", req);
            //logger.fine("hasErrors");
        }
    }
    return true;
}

From source file:io.lavagna.web.security.CSFRFilter.java

private static ImmutablePair<Boolean, ImmutablePair<Integer, String>> checkCSRF(HttpServletRequest request)
        throws IOException {
    String expectedToken = (String) request.getSession().getAttribute(CSRFToken.CSRF_TOKEN);
    String token = request.getHeader(CSRF_TOKEN_HEADER);
    if (token == null) {
        token = request.getParameter(CSRF_FORM_PARAMETER);
    }/*from   ww  w  .  ja v  a  2  s  .  c o  m*/

    if (token == null) {
        return of(false, of(HttpServletResponse.SC_FORBIDDEN, "missing token in header or parameter"));
    }
    if (expectedToken == null) {
        return of(false, of(HttpServletResponse.SC_FORBIDDEN, "missing token from session"));
    }
    if (!safeArrayEquals(token.getBytes("UTF-8"), expectedToken.getBytes("UTF-8"))) {
        return of(false, of(HttpServletResponse.SC_FORBIDDEN, "token is not equal to expected"));
    }

    return of(true, null);
}

From source file:co.edu.UNal.ArquitecturaDeSoftware.Bienestar.Vista.App.Admin.CUDEventos.java

protected static void actualizarTaller(HttpServletRequest request, HttpServletResponse response)
        throws IOException {
    ArrayList r = CtrlAdmin.actualizarTaller(Integer.parseInt(request.getParameter("0")), // id
            request.getParameter("1"), // nombre
            request.getParameter("2"), // descripcin
            request.getParameter("3"), // fin registro (Fecha hasta donde est permitido registrarse)
            request.getParameter("4"), // inicio del taller
            Integer.parseInt(request.getParameter("5")), // costo
            Integer.parseInt(request.getParameter("6")) // cupos
    );/*from  w  w w.ja  v  a  2s. co m*/

    response.setContentType("application/json;charset=UTF-8");
    PrintWriter out = response.getWriter();
    if (r.get(0) == "error") {
        JSONObject obj = new JSONObject();
        obj.put("isError", true);
        obj.put("errorDescrip", r.get(1));
        out.print(obj);
    } else if (r.get(0) == "isExitoso") {
        JSONObject obj = new JSONObject();
        obj.put("Exitoso", true);
        out.print(obj);
    } else
        Util.errordeRespuesta(r, out);
}