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:es.pode.catalogadorWeb.presentacion.catalogadorAvanzado.CategoriasFormModificarGeneral.java

public org.apache.struts.action.ActionForward execute(org.apache.struts.action.ActionMapping mapping,
        org.apache.struts.action.ActionForm form, javax.servlet.http.HttpServletRequest request,
        javax.servlet.http.HttpServletResponse response) throws java.lang.Exception {
    final CategoriasFormModificarGeneralFormImpl specificForm = (CategoriasFormModificarGeneralFormImpl) form;

    org.apache.struts.action.ActionForward forward = null;

    try {/* w  w  w  .  j  a va2 s .  c om*/
        forward = mapping.findForward("modificar.general");
    } catch (java.lang.Exception exception) {
        // we populate the current form with only the request parameters
        Object currentForm = request.getSession().getAttribute("form");
        // if we can't get the 'form' from the session, try from the request
        if (currentForm == null) {
            currentForm = request.getAttribute("form");
        }
        if (currentForm != null) {
            final java.util.Map parameters = new java.util.HashMap();
            for (final java.util.Enumeration names = request.getParameterNames(); names.hasMoreElements();) {
                final String name = String.valueOf(names.nextElement());
                parameters.put(name, request.getParameter(name));
            }
            try {
                org.apache.commons.beanutils.BeanUtils.populate(currentForm, parameters);
            } catch (java.lang.Exception populateException) {
                // ignore if we have an exception here (we just don't populate).
            }
        }
        throw exception;
    }
    request.getSession().setAttribute("form", form);

    return forward;
}

---

From source file:es.pode.catalogadorWeb.presentacion.catalogadorAvanzado.CategoriasFormModificarTecnica.java

public org.apache.struts.action.ActionForward execute(org.apache.struts.action.ActionMapping mapping,
        org.apache.struts.action.ActionForm form, javax.servlet.http.HttpServletRequest request,
        javax.servlet.http.HttpServletResponse response) throws java.lang.Exception {
    final CategoriasFormModificarTecnicaFormImpl specificForm = (CategoriasFormModificarTecnicaFormImpl) form;

    org.apache.struts.action.ActionForward forward = null;

    try {//from  w w w  .ja v  a  2  s  . com
        forward = mapping.findForward("modificar.tecnica");
    } catch (java.lang.Exception exception) {
        // we populate the current form with only the request parameters
        Object currentForm = request.getSession().getAttribute("form");
        // if we can't get the 'form' from the session, try from the request
        if (currentForm == null) {
            currentForm = request.getAttribute("form");
        }
        if (currentForm != null) {
            final java.util.Map parameters = new java.util.HashMap();
            for (final java.util.Enumeration names = request.getParameterNames(); names.hasMoreElements();) {
                final String name = String.valueOf(names.nextElement());
                parameters.put(name, request.getParameter(name));
            }
            try {
                org.apache.commons.beanutils.BeanUtils.populate(currentForm, parameters);
            } catch (java.lang.Exception populateException) {
                // ignore if we have an exception here (we just don't populate).
            }
        }
        throw exception;
    }
    request.getSession().setAttribute("form", form);

    return forward;
}

---

From source file:es.pode.catalogadorWeb.presentacion.categoriasAvanzado.usoeducativo.UsosEducativosFormDetalleUsoEdu.java

public org.apache.struts.action.ActionForward execute(org.apache.struts.action.ActionMapping mapping,
        org.apache.struts.action.ActionForm form, javax.servlet.http.HttpServletRequest request,
        javax.servlet.http.HttpServletResponse response) throws java.lang.Exception {
    final UsosEducativosFormDetalleUsoEduFormImpl specificForm = (UsosEducativosFormDetalleUsoEduFormImpl) form;

    org.apache.struts.action.ActionForward forward = null;

    try {/*from   www  . ja  v a  2  s  . com*/
        forward = mapping.findForward("detalle.uso.edu");
    } catch (java.lang.Exception exception) {
        // we populate the current form with only the request parameters
        Object currentForm = request.getSession().getAttribute("form");
        // if we can't get the 'form' from the session, try from the request
        if (currentForm == null) {
            currentForm = request.getAttribute("form");
        }
        if (currentForm != null) {
            final java.util.Map parameters = new java.util.HashMap();
            for (final java.util.Enumeration names = request.getParameterNames(); names.hasMoreElements();) {
                final String name = String.valueOf(names.nextElement());
                parameters.put(name, request.getParameter(name));
            }
            try {
                org.apache.commons.beanutils.BeanUtils.populate(currentForm, parameters);
            } catch (java.lang.Exception populateException) {
                // ignore if we have an exception here (we just don't populate).
            }
        }
        throw exception;
    }
    request.getSession().setAttribute("form", form);

    return forward;
}

---

From source file:es.pode.catalogadorWeb.presentacion.tesauros.TesaurosFormBuscar.java

public org.apache.struts.action.ActionForward execute(org.apache.struts.action.ActionMapping mapping,
        org.apache.struts.action.ActionForm form, javax.servlet.http.HttpServletRequest request,
        javax.servlet.http.HttpServletResponse response) throws java.lang.Exception {
    final TesaurosFormBuscarFormImpl specificForm = (TesaurosFormBuscarFormImpl) form;

    org.apache.struts.action.ActionForward forward = null;

    try {//from w w w  .java2  s.c  o  m
        forward = _buscarTerminos(mapping, form, request, response);
    } catch (java.lang.Exception exception) {
        // we populate the current form with only the request parameters
        Object currentForm = request.getSession().getAttribute("form");
        // if we can't get the 'form' from the session, try from the request
        if (currentForm == null) {
            currentForm = request.getAttribute("form");
        }
        if (currentForm != null) {
            final java.util.Map parameters = new java.util.HashMap();
            for (final java.util.Enumeration names = request.getParameterNames(); names.hasMoreElements();) {
                final String name = String.valueOf(names.nextElement());
                parameters.put(name, request.getParameter(name));
            }
            try {
                org.apache.commons.beanutils.BeanUtils.populate(currentForm, parameters);
            } catch (java.lang.Exception populateException) {
                // ignore if we have an exception here (we just don't populate).
            }
        }
        throw exception;
    }
    request.getSession().setAttribute("form", form);

    return forward;
}

---

From source file:es.pode.modificador.presentacion.configurar.nombre.CrearModificacionBuscar.java

public org.apache.struts.action.ActionForward execute(org.apache.struts.action.ActionMapping mapping,
        org.apache.struts.action.ActionForm form, javax.servlet.http.HttpServletRequest request,
        javax.servlet.http.HttpServletResponse response) throws java.lang.Exception {
    final CrearModificacionBuscarFormImpl specificForm = (CrearModificacionBuscarFormImpl) form;

    org.apache.struts.action.ActionForward forward = null;

    try {/*www  . jav  a 2  s .co m*/
        forward = _busqueda(mapping, form, request, response);
    } catch (java.lang.Exception exception) {
        // we populate the current form with only the request parameters
        Object currentForm = request.getSession().getAttribute("form");
        // if we can't get the 'form' from the session, try from the request
        if (currentForm == null) {
            currentForm = request.getAttribute("form");
        }
        if (currentForm != null) {
            final java.util.Map parameters = new java.util.HashMap();
            for (final java.util.Enumeration names = request.getParameterNames(); names.hasMoreElements();) {
                final String name = String.valueOf(names.nextElement());
                parameters.put(name, request.getParameter(name));
            }
            try {
                org.apache.commons.beanutils.BeanUtils.populate(currentForm, parameters);
            } catch (java.lang.Exception populateException) {
                // ignore if we have an exception here (we just don't populate).
            }
        }
        throw exception;
    }
    request.getSession().setAttribute("form", form);

    return forward;
}

---

From source file:es.pode.modificador.presentacion.configurar.objetos.resultados.ResultadosBusquedaBuscar.java

public org.apache.struts.action.ActionForward execute(org.apache.struts.action.ActionMapping mapping,
        org.apache.struts.action.ActionForm form, javax.servlet.http.HttpServletRequest request,
        javax.servlet.http.HttpServletResponse response) throws java.lang.Exception {
    final ResultadosBusquedaBuscarFormImpl specificForm = (ResultadosBusquedaBuscarFormImpl) form;

    org.apache.struts.action.ActionForward forward = null;

    try {//w ww  .j ava2s. c  o  m
        forward = _buscar(mapping, form, request, response);
    } catch (java.lang.Exception exception) {
        // we populate the current form with only the request parameters
        Object currentForm = request.getSession().getAttribute("form");
        // if we can't get the 'form' from the session, try from the request
        if (currentForm == null) {
            currentForm = request.getAttribute("form");
        }
        if (currentForm != null) {
            final java.util.Map parameters = new java.util.HashMap();
            for (final java.util.Enumeration names = request.getParameterNames(); names.hasMoreElements();) {
                final String name = String.valueOf(names.nextElement());
                parameters.put(name, request.getParameter(name));
            }
            try {
                org.apache.commons.beanutils.BeanUtils.populate(currentForm, parameters);
            } catch (java.lang.Exception populateException) {
                // ignore if we have an exception here (we just don't populate).
            }
        }
        throw exception;
    }
    request.getSession().setAttribute("form", form);

    return forward;
}

---

From source file:es.pode.presentacion.visualizadorAdl.LmsmainDatosBorrar.java

public org.apache.struts.action.ActionForward execute(org.apache.struts.action.ActionMapping mapping,
        org.apache.struts.action.ActionForm form, javax.servlet.http.HttpServletRequest request,
        javax.servlet.http.HttpServletResponse response) throws java.lang.Exception {
    final LmsmainDatosBorrarFormImpl specificForm = (LmsmainDatosBorrarFormImpl) form;

    org.apache.struts.action.ActionForward forward = null;

    try {//w  ww  .j  a  v a 2 s .c om
        forward = _borrarDatosAdl(mapping, form, request, response);
    } catch (java.lang.Exception exception) {
        // we populate the current form with only the request parameters
        Object currentForm = request.getSession().getAttribute("form");
        // if we can't get the 'form' from the session, try from the request
        if (currentForm == null) {
            currentForm = request.getAttribute("form");
        }
        if (currentForm != null) {
            final java.util.Map parameters = new java.util.HashMap();
            for (final java.util.Enumeration names = request.getParameterNames(); names.hasMoreElements();) {
                final String name = String.valueOf(names.nextElement());
                parameters.put(name, request.getParameter(name));
            }
            try {
                org.apache.commons.beanutils.BeanUtils.populate(currentForm, parameters);
            } catch (java.lang.Exception populateException) {
                // ignore if we have an exception here (we just don't populate).
            }
        }
        throw exception;
    }
    request.getSession().setAttribute("form", form);

    return forward;
}

---

From source file:com.matthewcasperson.validation.filter.ParameterValidationFilter.java

/**
 * This filter implements multiple chains of validation rules. Each chain is executed against each parameter until 
 * alll validation rules have been executed, or until one of the validation rules stops the execution of the chain.
 *///from ww w .j  av  a  2  s .  c o m
@Override
public void doFilter(final ServletRequest request, final ServletResponse response, final FilterChain chain)
        throws IOException, ServletException {

    //LOGGER.log(Level.INFO, "Parameter Validation Filter processing request");

    ServletRequest requestWrapper = request;

    try {
        if (parameterValidationDefinitions != null
                && parameterValidationDefinitions.getParameterValidationDefinitions() != null) {

            LOGGER.log(Level.FINE, "Parameter Validation Filter has loaded the config file");

            if (requestWrapper instanceof HttpServletRequest) {

                //LOGGER.log(Level.INFO, "Parameter Validation Filter is filtering a HttpServletRequest");

                final HttpServletRequest httpServletRequest = (HttpServletRequest) requestWrapper;

                /*
                 * Loop over each param. Note that while the validation rules may well
                 * create wrappers that return different values for the params (i.e. requestWrapper is
                 * updated to reference a new wrapper), we use this original copy for the list of 
                 * param keys to loop over.
                 */
                final Enumeration<String> iter = httpServletRequest.getParameterNames();

                paramaterNameLoop: while (iter.hasMoreElements()) {
                    /*
                     * Get the param name and move the enumerator along
                     */
                    final String paramName = iter.nextElement();

                    boolean paramValidated = false;

                    LOGGER.log(Level.FINE, "Parameter Validation Filter processing " + paramName);

                    /*
                     * Loop over each validation rule in the chain
                     */
                    final List<ParameterValidationChain> validationChains = parameterValidationDefinitions
                            .getParameterValidationDefinitions();
                    for (final ParameterValidationChain validationChain : validationChains) {

                        checkState(validationChain != null, "A validation rule should never be null");

                        /*
                         * Test this validation rule against the param name
                         */

                        final boolean paramMatches = validationChain.getParamNamePattern().matcher(paramName)
                                .find();
                        final boolean uriMatches = validationChain.getRequestURIPattern()
                                .matcher(httpServletRequest.getRequestURI()).find();

                        final boolean paramMatchesAfterNegation = paramMatches
                                ^ validationChain.isParamNamePatternNegated();
                        final boolean uriMatchesAfterNegation = uriMatches
                                ^ validationChain.isRequestURIPatternNegated();

                        if (paramMatchesAfterNegation && uriMatchesAfterNegation) {

                            LOGGER.log(Level.FINE, "Parameter Validation Filter found matching chain");

                            /*
                             * Make a note that this parameter has been validated by at least one rule
                             */
                            paramValidated = true;

                            /*
                             * Loop over each rule in the chain 
                             */
                            for (final ParameterValidationDefinitionImpl validationRule : validationChain
                                    .getList()) {
                                LOGGER.log(Level.FINE, "Processing " + paramName + " with "
                                        + validationRule.getValidationRuleName());

                                /*
                                 * Get the object that will actually do the validation
                                 */
                                final ParameterValidationRule rule = validationRule.getRule();

                                /*
                                 * It is possible that a bad configuration will result in rule being null
                                 */
                                checkState(rule != null,
                                        "A validation rule should never be null. Check the class name defined in the configuration xml file.");

                                try {
                                    /*
                                       Process the parameter
                                     */
                                    final ServletRequest processRequest = rule.processParameter(requestWrapper,
                                            paramName);

                                    checkState(processRequest != null,
                                            "A validation rule should never return null when processing a paramemter");

                                    /*
                                     * The validation rule is expected to return a valid request regardless of the
                                     * processing that should or should not be done.
                                     */
                                    requestWrapper = processRequest;
                                } catch (final ValidationFailedException ex) {
                                    /*
                                     * Log this as a warning as we are probably interested in knowing when our apps
                                     * are getting hit with invalid data.
                                     */
                                    LOGGER.log(Level.WARNING, ex.toString());

                                    if (parameterValidationDefinitions.getEnforcingMode()) {
                                        /*
                                           If we are enforcing, rethrow so the outer catch block can block the
                                           request
                                         */
                                        throw ex;
                                    } else {
                                        /*
                                           Otherwise move to the next parameter name. This allows us to be notified
                                           of every param that will fail instead of just bailing with the first
                                           one that fails.
                                         */
                                        continue paramaterNameLoop;
                                    }
                                }

                            }
                        }
                    }

                    if (!paramValidated) {
                        /*
                            * This might be intentional, so log it as an INFO
                            */
                        LOGGER.log(Level.INFO, "PVF-INFO-0001: " + paramName + " has not been validated.");
                    }
                }
            }
        }
    } catch (final ValidationFailedException ex) {
        /*
         * Stop processing and return a HTTP error code if we are enforcing the rules
         */
        if (parameterValidationDefinitions.getEnforcingMode()) {
            respondWithBadRequest(response);
            return;
        }
    } catch (final Exception ex) {
        /*
         * We probably reach this because of some invalid state due to rules returning null
         * or throwing unchecked exceptions during their own processing. This is logged as
         * severe as it is most likely a bug in the code.
         */
        LOGGER.log(Level.SEVERE, ExceptionUtils.getFullStackTrace(ex));

        /*
         * Don't allow apps to process raw parameters if this filter has failed and we are
         * enforcing the rules
         */
        if (parameterValidationDefinitions.getEnforcingMode()) {
            respondWithBadRequest(response);
            return;
        }
    }

    /*
     * Continue to the next filter
     */
    if (parameterValidationDefinitions.getEnforcingMode()) {
        /*
           In enforcing mode we pass the wrapper onto the next filter
         */
        chain.doFilter(requestWrapper, response);
    } else {
        /*
           If enforcing mode is not enabled, we pass through the original request
         */
        chain.doFilter(request, response);
    }
}

---

From source file:es.pode.buscador.presentacion.avanzado.eliminarOdes.ConfirmacionAceptar.java

public org.apache.struts.action.ActionForward execute(org.apache.struts.action.ActionMapping mapping,
        org.apache.struts.action.ActionForm form, javax.servlet.http.HttpServletRequest request,
        javax.servlet.http.HttpServletResponse response) throws java.lang.Exception {
    final ConfirmacionAceptarFormImpl specificForm = (ConfirmacionAceptarFormImpl) form;

    org.apache.struts.action.ActionForward forward = null;

    try {//w w  w.j  av  a  2  s .  c om
        forward = _eliminarOdes(mapping, form, request, response);
    } catch (java.lang.Exception exception) {
        // we populate the current form with only the request parameters
        Object currentForm = request.getSession().getAttribute("form");
        // if we can't get the 'form' from the session, try from the request
        if (currentForm == null) {
            currentForm = request.getAttribute("form");
        }
        if (currentForm != null) {
            final java.util.Map parameters = new java.util.HashMap();
            for (final java.util.Enumeration names = request.getParameterNames(); names.hasMoreElements();) {
                final String name = String.valueOf(names.nextElement());
                parameters.put(name, request.getParameter(name));
            }
            try {
                org.apache.commons.beanutils.BeanUtils.populate(currentForm, parameters);
            } catch (java.lang.Exception populateException) {
                // ignore if we have an exception here (we just don't populate).
            }
        }
        throw exception;
    }
    request.getSession().setAttribute("form", form);

    return forward;
}

---

From source file:es.pode.buscador.presentacion.avanzado.tesauros.TesaurosConsultaNodo.java

public org.apache.struts.action.ActionForward execute(org.apache.struts.action.ActionMapping mapping,
        org.apache.struts.action.ActionForm form, javax.servlet.http.HttpServletRequest request,
        javax.servlet.http.HttpServletResponse response) throws java.lang.Exception {
    final TesaurosConsultaNodoFormImpl specificForm = (TesaurosConsultaNodoFormImpl) form;

    org.apache.struts.action.ActionForward forward = null;

    try {//from w w  w . j  a v a2s  .c  o  m
        forward = _consultarId(mapping, form, request, response);
    } catch (java.lang.Exception exception) {
        // we populate the current form with only the request parameters
        Object currentForm = request.getSession().getAttribute("form");
        // if we can't get the 'form' from the session, try from the request
        if (currentForm == null) {
            currentForm = request.getAttribute("form");
        }
        if (currentForm != null) {
            final java.util.Map parameters = new java.util.HashMap();
            for (final java.util.Enumeration names = request.getParameterNames(); names.hasMoreElements();) {
                final String name = String.valueOf(names.nextElement());
                parameters.put(name, request.getParameter(name));
            }
            try {
                org.apache.commons.beanutils.BeanUtils.populate(currentForm, parameters);
            } catch (java.lang.Exception populateException) {
                // ignore if we have an exception here (we just don't populate).
            }
        }
        throw exception;
    }
    request.getSession().setAttribute("form", form);

    return forward;
}

---

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