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:org.jruby.rack.mock.WebUtils.java

/**
 * Check if a specific input type="submit" parameter was sent in the request,
 * either via a button (directly with name) or via an image (name + ".x" or
 * name + ".y")./*from   w w w.j a  va 2 s .  c o m*/
 * @param request current HTTP request
 * @param name name of the parameter
 * @return if the parameter was sent
 * @see #SUBMIT_IMAGE_SUFFIXES
 */
public static boolean hasSubmitParameter(ServletRequest request, String name) {
    Assert.notNull(request, "Request must not be null");
    if (request.getParameter(name) != null) {
        return true;
    }
    for (String suffix : SUBMIT_IMAGE_SUFFIXES) {
        if (request.getParameter(name + suffix) != null) {
            return true;
        }
    }
    return false;
}

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From source file:org.jahia.data.viewhelper.principal.PrincipalViewHelper.java

/**
 * Get the user search result from the parameter form given by the request.
 * If the form is not in the request then all the Jahia users will be search.
 *
 * @param request the request that should contain the HTML formular with the
 *                following fields :/*from  ww  w  .ja va 2s  .c  o  m*/
 *                - searchString
 *                - searchIn
 *                - properties
 *                - storedOn
 *                - providers
 * @return a Properties object that contain the search criterium
 */
public static Set<JCRUserNode> getSearchResult(ServletRequest request) {

    String searchString = request.getParameter("searchString");
    final String searchIn = request.getParameter("searchIn");
    final String[] searchInProps = request.getParameterValues("properties");
    final String storedOn = request.getParameter("storedOn");
    final String[] providers = request.getParameterValues("providers");

    return getSearchResult(searchIn, null, searchString, searchInProps, storedOn, providers);
}

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From source file:org.jahia.data.viewhelper.principal.PrincipalViewHelper.java

/**
 * Get the group search result from the parameter form given by the request.
 * If the form is not in the request then all the Jahia groups will be search.
 *
 * @param request the request that should contain the HTML formular with the
 *                following fields :/* w  ww  .j a  v a2  s .  c o  m*/
 *                - searchString
 *                - searchIn
 *                - properties
 *                - storedOn
 *                - providers
 * @param siteKey  The site ID containing the principal to search
 * @return a Properties object that contain the search criterium
 */
public static Set<JCRGroupNode> getGroupSearchResult(ServletRequest request, String siteKey) {

    String searchString = request.getParameter("searchString");
    final String searchIn = request.getParameter("searchIn");
    final String[] searchInProps = request.getParameterValues("properties");
    final String storedOn = request.getParameter("storedOn");
    final String[] providers = request.getParameterValues("providers");

    return getGroupSearchResult(searchIn, siteKey, searchString, searchInProps, storedOn, providers);
}

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From source file:com.webbfontaine.valuewebb.model.util.Utils.java

public static String getRequestParameter(String name) {
    FacesContext facesContext = FacesContext.getCurrentInstance();
    ServletRequest request = (ServletRequest) facesContext.getExternalContext().getRequest();

    return request.getParameter(name);
}

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From source file:dk.netarkivet.archive.webinterface.BitpreserveFileState.java

/**
 * Processes a checksum request./*  w w  w.j a v a2  s . c  o  m*/
 * <p>
 * The name of a bitarchive must always be given in parameter Constants.BITARCHIVE_NAME_PARAM.
 * <p>
 * If parameter Constants.FILENAME_PARAM is given, file info for that file will be returned, and all actions will
 * work on that file.
 * <p>
 * If parameter Constants.FIX_ADMIN_CHECKSUM_PARAM is given, the admin data checksum will be fixed for the file.
 * <p>
 * If parameter Constants.CREDENTIALS and Constants.CHECKSUM_PARAM is given, removes and reuploads a file with that
 * checksum in the given bitarchive, using the credentials for authorisation.
 *
 * @param res the result object. This is updated with result information, and expected to be printed to the
 * resulting page.
 * @param context the current JSP pagecontext.
 * @return The file preservation state for a file, if a filename is given in the request. Null otherwise.
 * @throws ArgumentNotValid If the context or res is null.
 */
public static PreservationState processChecksumRequest(StringBuilder res, PageContext context)
        throws ArgumentNotValid {
    ArgumentNotValid.checkNotNull(res, "StringBuilder res");
    ArgumentNotValid.checkNotNull(context, "PageContext context");
    ServletRequest request = context.getRequest();
    Locale l = context.getResponse().getLocale();
    HTMLUtils.forwardOnIllegalParameter(context, Constants.BITARCHIVE_NAME_PARAM, Replica.getKnownNames());
    String bitarchiveName = request.getParameter(Constants.BITARCHIVE_NAME_PARAM);
    Replica bitarchive = Replica.getReplicaFromName(bitarchiveName);
    String filename = request.getParameter(Constants.FILENAME_PARAM);
    String fixadminchecksum = request.getParameter(Constants.FIX_ADMIN_CHECKSUM_PARAM);
    String credentials = request.getParameter(Constants.CREDENTIALS_PARAM);
    String checksum = request.getParameter(Constants.CHECKSUM_PARAM);

    // Parameter validation. Get filename. Complain about missing filename
    // if we are trying to do actions.
    if (filename == null) { // param "file" not set - no action to take
        if (fixadminchecksum != null || credentials != null || checksum != null) {
            // Only if an action was intended do we complain about
            // a missing file.
            res.append(I18N.getString(l, "errormsg;lack.name.for.file.to.be.corrected.in.0", bitarchiveName));
        }
        return null;
    }

    // At this point we know that the parameter filename is given.
    // Now we check for actions.
    ActiveBitPreservation preserve = ActiveBitPreservationFactory.getInstance();
    if (fixadminchecksum != null) {
        // Action to fix admin.data checksum.
        preserve.changeStateForAdminData(filename);
        res.append(I18N.getString(l, "file.0.now.has.correct.checksum.in.admin.data", filename));
        res.append("<br/>");
    } else if (checksum != null || credentials != null) {
        // Action to replace a broken file with a correct file.
        // Both parameters must be given.
        if (checksum == null) { // param CHECKSUM_PARAM not set
            res.append(I18N.getString(l, "errormsg;lack.checksum.for.corrupted.file.0", filename));
            res.append("<br/>");
        } else if (credentials == null) { // param CREDENTIALS_PARAM not set
            res.append(I18N.getString(l, "errormsg;lacking.privileges.to.correct.in.replica"));
            res.append("<br/>");
        } else {
            // Parameters are correct. Fix the file and report result.
            try {
                preserve.replaceChangedFile(bitarchive, filename, credentials, checksum);
                res.append(I18N.getString(l, "file.0.has.been.replaced.in.1", filename, bitarchive));
                res.append("<br/>");
            } catch (Exception e) {
                res.append(I18N.getString(l, "errormsg;attempt.at.restoring.0.in.replica" + ".at.1.failed",
                        filename, bitarchive));
                res.append("<br/>");
                res.append(e.getMessage());
                res.append("<br/>");
                log.warn("Attempt at restoring '" + filename + "' in bitarchive on replica '" + bitarchive
                        + "' failed", e);
            }
        }
    }

    return preserve.getPreservationState(filename);
}

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From source file:org.tsugi.jpa.LTIRequest.java

/**
 * @param request the incoming request/*from  w ww .  j a  v a2 s  .c o  m*/
 * @return true if this is a valid LTI request
 */
public static boolean isLTIRequest(ServletRequest request) {
    boolean valid = false;
    String ltiVersion = StringUtils.trimToNull(request.getParameter(LTI_VERSION));
    String ltiMessageType = StringUtils.trimToNull(request.getParameter(LTI_MESSAGE_TYPE));
    if (ltiMessageType != null && ltiVersion != null) {
        boolean goodMessageType = LTI_MESSAGE_TYPE_BASIC.equals(ltiMessageType)
                || LTI_MESSAGE_TYPE_PROXY_REG.equals(ltiMessageType);
        boolean goodLTIVersion = LTI_VERSION_1P0.equals(ltiVersion) || LTI_VERSION_2P0.equals(ltiVersion);
        valid = goodMessageType && goodLTIVersion;
    }
    // resource_link_id is also required
    return valid;
}

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From source file:org.rhq.enterprise.gui.util.WebUtility.java

public static PageControl getPageControl(ServletRequest request, String postfix) {
    // TODO GH: Add a mechanism to persist these settings in user preferences and default from there
    if (postfix == null) {
        postfix = "";
    }/*  w  w  w .j a v a  2 s . co m*/

    int pageNumber = getOptionalIntRequestParameter(request, ParamConstants.PAGENUM_PARAM + postfix,
            DefaultConstants.PAGENUM_DEFAULT);
    int pageSize = getOptionalIntRequestParameter(request, ParamConstants.PAGESIZE_PARAM + postfix,
            DefaultConstants.PAGESIZE_DEFAULT);

    // Make sure the user doesn't go around us and create huge pages
    pageSize = Math.min(pageSize, PageControl.SIZE_MAX);

    String sortOrderString = request.getParameter(ParamConstants.SORTORDER_PARAM + postfix);
    PageOrdering sortOrder = PageOrdering.ASC;
    if ((sortOrderString != null) && (sortOrderString.length() > 0)) {
        try {
            sortOrder = PageOrdering.valueOf(sortOrderString.toUpperCase());
        } catch (RuntimeException e) {
            throw new RuntimeException("Request parameter '" + ParamConstants.SORTORDER_PARAM + postfix
                    + "' has an invalid value ('" + sortOrderString
                    + "') - valid values are 'asc' or 'desc' (case-insensitive).");
        }
    }

    String sortColumn = getOptionalRequestParameter(request, ParamConstants.SORTCOL_PARAM + postfix, null);
    if (sortColumn != null) {
        if (sortColumn.contains(" ") && !sortColumn.toLowerCase().endsWith(" desc")) {
            throw new RuntimeException(
                    "This app is not vulnerable to SQL-injection attacks. Thanks for playing.");
        }
    }

    return new PageControl(pageNumber, pageSize, new OrderingField(sortColumn, sortOrder));
}

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From source file:de.escidoc.core.aa.servlet.Login.java

/**
 * Retrieves the decoded parameter target from the provided request.
 *
 * @param request The http request to retrieve the parameter from.
 * @return Returns the decoded parameter target or {@code null}.
 * @throws MissingParameterException Thrown if a mandatory parameter is missing.
 */// w  w  w  .  j a  v  a  2 s.c  o m
private static String retrieveDecodedTarget(final ServletRequest request) throws MissingParameterException {

    try {
        final String targetParameter = request.getParameter(EscidocServlet.PARAM_TARGET);
        if (targetParameter != null) {
            return URLDecoder.decode(targetParameter, EscidocServlet.ENCODING);
        } else {
            throw new MissingParameterException("No target parameter provided in URL");
        }
    } catch (final UnsupportedEncodingException e) {
        if (LOGGER.isWarnEnabled()) {
            LOGGER.warn("Error on retriving decoded target.");
        }
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("Error on retriving decoded target.", e);
        }
        return "";
    }
}

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From source file:edu.cornell.mannlib.vitro.webapp.web.MiscWebUtils.java

public static Properties loadPropertiesFromRequest(Properties current, ServletRequest req) {
    if (req == null || current == null) {
        log.error("UtilBean.loadPropertiesFromRequest() exiting because of null input");
        return current;
    }/*from  w  ww  .jav a  2s .  co  m*/
    //         try{
    //             current.store(System.out,"header from store");
    //         }catch( Exception ex){
    //             log.debug("exception in utilBean");
    //         }

    Enumeration names = req.getParameterNames();
    String value = null;
    String name = null;
    while (names.hasMoreElements()) {
        name = (String) names.nextElement();
        //             log.debug("parameter name: " + name);
        value = req.getParameter(name);
        if (value != null) {
            //                 log.debug("*** current set " + name + " to " + value );
            current.setProperty(name, value);
        }

    }
    return current;
}

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From source file:dk.netarkivet.common.webinterface.HTMLUtils.java

/**
 * Checks that the given parameters exist and are not empty. If any of them are missing or empty, forwards to the
 * error page and throws ForwardedToErrorPage. A parameter with only whitespace is considered empty.
 *
 * @param context The context of the current JSP page
 * @param parameters List of parameters that must exist and be non-empty
 * @throws IOFailure If the forward fails
 * @throws ForwardedToErrorPage if a parameter was missing or empty
 *//*w ww.  j ava 2 s.  c  o m*/
public static void forwardOnEmptyParameter(PageContext context, String... parameters) {
    // Note that we may not want to be to strict here
    // as otherwise information could be lost.
    ArgumentNotValid.checkNotNull(context, "context");
    ArgumentNotValid.checkNotNull(parameters, "parameters");

    forwardOnMissingParameter(context, parameters);
    ServletRequest request = context.getRequest();
    for (String parameter : parameters) {
        String value = request.getParameter(parameter);
        if (value.trim().length() == 0) {
            forwardWithErrorMessage(context, I18N, "errormsg;empty.parameter.0", parameter);
            throw new ForwardedToErrorPage("Empty parameter '" + parameter + "'");
        }
    }
}

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