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.rhq.enterprise.gui.util.WebUtility.java

public static String getOptionalRequestParameter(ServletRequest request, String name, String defaultValue) {
    logWarningIfParameterHasMultipleValues(request, name);
    String value = request.getParameter(name);
    return (value == null) ? defaultValue : value;
}

From source file:io.wcm.sling.commons.request.RequestParam.java

/**
 * Returns a request parameter as integer.
 * @param request Request./*from w ww .  j av  a 2 s. c  o m*/
 * @param param Parameter name.
 * @param defaultValue Default value.
 * @return Parameter value or default value if it does not exist or is not a number.
 */
public static int getInt(ServletRequest request, String param, int defaultValue) {
    String value = request.getParameter(param);
    return NumberUtils.toInt(value, defaultValue);
}

From source file:io.wcm.sling.commons.request.RequestParam.java

/**
 * Returns a request parameter as long./*  w  ww.  j  av  a  2 s. c om*/
 * @param request Request.
 * @param param Parameter name.
 * @param defaultValue Default value.
 * @return Parameter value or default value if it does not exist or is not a number.
 */
public static long getLong(ServletRequest request, String param, long defaultValue) {
    String value = request.getParameter(param);
    return NumberUtils.toLong(value, defaultValue);
}

From source file:org.ecside.filter.ECSideFilter.java

 public static String getExportFileName(ServletRequest servletRequest) {
   String fileName = servletRequest
         .getParameter(ECSideConstants.EASY_DATA_EXPORT_FILENAME);
   if (StringUtils.isBlank(fileName)) {
      fileName = "excel.xls";
   }// w w w.  jav a 2s  .  co  m
   return StringUtils.isNotBlank(fileName) ? fileName : null;
}

From source file:io.wcm.sling.commons.request.RequestParam.java

/**
 * Returns a request parameter as float.
 * @param request Request./* w  ww.j  av a 2s.  c  o  m*/
 * @param param Parameter name.
 * @param defaultValue Default value.
 * @return Parameter value or default value if it does not exist or is not a number.
 */
public static float getFloat(ServletRequest request, String param, float defaultValue) {
    String value = request.getParameter(param);
    return NumberUtils.toFloat(value, defaultValue);
}

From source file:io.wcm.sling.commons.request.RequestParam.java

/**
 * Returns a request parameter as double.
 * @param request Request.//w  w w.j a va2 s  . co m
 * @param param Parameter name.
 * @param defaultValue Default value.
 * @return Parameter value or default value if it does not exist or is not a number.
 */
public static double getDouble(ServletRequest request, String param, double defaultValue) {
    String value = request.getParameter(param);
    return NumberUtils.toDouble(value, defaultValue);
}

From source file:org.apache.stratos.usage.ui.utils.UsageUtil.java

public static PaginatedInstanceUsage retrievePaginatedInstanceUsages(ServletRequest request,
        ServletConfig config, HttpSession session) throws Exception {
    String requestedPage = request.getParameter("requestedPage");
    int pageNumber = 1;
    int numberOfPages = 1;
    int entriesPerPage = 15;
    if (requestedPage != null && requestedPage.length() > 0) {
        pageNumber = new Integer(requestedPage);
    }/*from  w w  w. j  av  a  2 s.c  om*/
    try {
        UsageServiceClient serviceClient = new UsageServiceClient(config, session);
        String yearMonth = request.getParameter("year-month");
        if (yearMonth == null) {
            // get the current year month
            yearMonth = getCurrentYearMonth();
        }
        return serviceClient.retrievePaginatedInstanceUsage(yearMonth, pageNumber, entriesPerPage);
    } catch (Exception e) {
        String msg = "Failed to get paginated instance usages.";
        log.error(msg, e);
        throw new UIException(msg, e);
    }
}

From source file:io.wcm.sling.commons.request.RequestParam.java

/**
 * Returns a request parameter as boolean.
 * @param request Request./*  w w w.  j  a va  2  s .c  om*/
 * @param param Parameter name.
 * @param defaultValue Default value.
 * @return Parameter value or default value if it does not exist or <code>false</code> if it cannot be interpreted as
 *         boolean.
 */
public static boolean getBoolean(ServletRequest request, String param, boolean defaultValue) {
    String value = request.getParameter(param);
    return BooleanUtils.toBoolean(value);
}

From source file:org.apache.stratos.usage.ui.utils.UsageUtil.java

public static PaginatedTenantUsageInfo retrievePaginatedTenantUsages(ServletRequest request,
        ServletConfig config, HttpSession session) throws Exception {
    String requestedPage = request.getParameter("requestedPage");
    int pageNumber = 1;
    int numberOfPages = 1;
    int entriesPerPage = 15;
    if (requestedPage != null && requestedPage.length() > 0) {
        pageNumber = new Integer(requestedPage);
    }//from w  w  w  .  ja v  a 2  s .  c o  m

    try {
        UsageServiceClient serviceClient = new UsageServiceClient(config, session);
        String yearMonth = request.getParameter("year-month");
        if (yearMonth == null) {
            // get the current year month
            yearMonth = getCurrentYearMonth();
        }
        return serviceClient.retrievePaginatedTenantUsages(yearMonth, pageNumber, entriesPerPage);
    } catch (Exception e) {
        String msg = "Failed to get all tenants usages.";
        log.error(msg, e);
        throw new UIException(msg, e);
    }
}

From source file:io.wcm.sling.commons.request.RequestParam.java

/**
 * Returns a request parameter.<br>
 * In addition the method fixes problems with incorrect UTF-8 characters returned by the servlet engine.
 * All character data is converted from ISO-8859-1 to UTF-8 if not '_charset_' parameter is provided.
 * @param request Request.//from  w ww.j av a  2s .co  m
 * @param param Parameter name.
 * @param defaultValue Default value.
 * @return Parameter value or the default value if it is not set.
 */
public static String get(ServletRequest request, String param, String defaultValue) {
    String value = request.getParameter(param);
    if (value != null) {
        // convert encoding to UTF-8 if not form encoding parameter is set
        if (!hasFormEncodingParam(request)) {
            value = convertISO88591toUTF8(value);
        }
        return value;
    } else {
        return defaultValue;
    }
}