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:edu.utah.further.i2b2.hook.further.web.ServletUtil.java

/**
 * @param request/* w  w w .  j ava2  s  .  c o m*/
 */
public static void printRequestParameters(final HttpServletRequest request) {
    log.debug("Request parameters:");
    final Enumeration<?> parameterNames = request.getParameterNames();
    while (parameterNames.hasMoreElements()) {
        final String name = (String) parameterNames.nextElement();
        log.debug(name + " = " + request.getParameter(name));
    }
}

From source file:HttpTransactionUtils.java

/**
 * Set up a simple Map of HTTP request parameters (assumes no duplicate names)
 * /*  ww w.  j a  v a  2 s . c om*/
 * @param request
 *          HttpServletRequest object
 * @return Map of name=value pairs
 */
public static Map getAttributesAsMap(HttpServletRequest request) {
    Enumeration enumeration = request.getParameterNames();
    HashMap map = new HashMap();

    while (enumeration.hasMoreElements()) {
        String name = (String) enumeration.nextElement();

        map.put(name, request.getParameter(name));
    }
    return map;
}

From source file:com.lily.dap.web.util.WebUtils.java

/**
 * Request Parameters.//from ww  w  .j  a  va 2  s  .  c  o  m
 * 
 * Parameter.
 */
@SuppressWarnings("unchecked")
public static Map<String, String> getParametersStartingWith(HttpServletRequest request, String prefix) {
    if (prefix == null)
        prefix = "";

    Map params = new TreeMap();
    Enumeration paramNames = request.getParameterNames();

    while (paramNames != null && paramNames.hasMoreElements()) {
        String paramName = (String) paramNames.nextElement();
        if ("".equals(prefix) || paramName.startsWith(prefix)) {
            String unprefixed = paramName.substring(prefix.length());
            String[] values = request.getParameterValues(paramName);
            if (values == null || values.length == 0)
                ;// Do nothing, no values found at all.
            else if (values.length > 1)
                params.put(unprefixed, StringUtils.join(values));
            else
                params.put(unprefixed, values[0]);

        }
    }

    return params;
}

From source file:org.openmrs.module.registration.web.controller.util.RegistrationWebUtils.java

/**
 * Optimize the request's parameters//from   ww  w .  j ava 2  s  . c  o  m
 * 
 * @param request
 * @return
 */
public static Map<String, String> optimizeParameters(HttpServletRequest request) {
    Map<String, String> parameters = new HashMap<String, String>();
    for (@SuppressWarnings("rawtypes")
    Enumeration e = request.getParameterNames(); e.hasMoreElements();) {
        String parameterName = (String) e.nextElement();
        String[] values = request.getParameterValues(parameterName);
        String value = StringUtils.join(values, ',');
        parameters.put(parameterName, value);
    }
    return parameters;
}

From source file:org.craftercms.core.util.HttpServletUtils.java

public static Map<String, Object> createRequestParamsMap(HttpServletRequest request) {
    Map<String, Object> paramsMap = new HashMap<String, Object>();
    for (Enumeration paramNameEnum = request.getParameterNames(); paramNameEnum.hasMoreElements();) {
        String paramName = (String) paramNameEnum.nextElement();
        String[] paramValues = request.getParameterValues(paramName);

        if (paramValues.length == 1) {
            paramsMap.put(paramName, paramValues[0]);
        } else {/*from  w ww . ja va2  s  . c  o  m*/
            paramsMap.put(paramName, paramValues);
        }
    }

    return paramsMap;
}

From source file:com.bacic5i5j.framework.toolbox.web.WebUtils.java

/**
 * ????map/*from w  w w. j  a v a2s  . c o m*/
 *
 * @param request
 * @return
 */
public static Map convertParameterToMap(HttpServletRequest request) {
    Map params = new HashMap();
    Enumeration enumeration = request.getParameterNames();
    while (enumeration.hasMoreElements()) {
        String paramName = (String) enumeration.nextElement();
        String paramValue = WebUtils.getStringParameter(request, paramName, "");
        params.put(paramName, paramValue);
    }

    return params;
}

From source file:fr.paris.lutece.util.http.SecurityUtil.java

/**
 * Write request parameters infos into the dump stringbuffer
 * @param sb The dump stringbuffer// ww  w.j a  v  a 2s  .c  o  m
 * @param request The HTTP request
 */
private static void dumpParameters(StringBuffer sb, HttpServletRequest request) {
    String key;
    String[] values;

    Enumeration<String> e = request.getParameterNames();

    while (e.hasMoreElements()) {
        key = e.nextElement();
        values = request.getParameterValues(key);

        int length = values.length;

        for (int i = 0; i < length; i++) {
            dumpVariable(sb, key, values[i]);
        }
    }
}

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

private static Map<String, String> getRequestMap(HttpServletRequest request, String prefix,
        boolean nameWithPrefix) {
    Map<String, String> map = new HashMap<String, String>();
    Enumeration<String> names = request.getParameterNames();
    String name, key, value;//w  w  w . ja va2 s .  com
    while (names.hasMoreElements()) {
        name = names.nextElement();
        if (name.startsWith(prefix)) {
            key = nameWithPrefix ? name : name.substring(prefix.length());
            value = StringUtils.join(request.getParameterValues(name), ',');
            map.put(key, value);
        }
    }
    return map;
}

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

public static String getRequestParam(HttpServletRequest req) {
    String val = "<table>";
    Enumeration names = req.getParameterNames();
    while (names.hasMoreElements()) {

        String name = (String) names.nextElement();
        val += "\n\t<tr><td><h3>" + name + "</h3><td><pre>";
        String value = null;//from w w  w .  j ava  2  s . co  m
        try {
            Object obj = req.getParameter(name);
            value = (obj == null) ? "[null]" : StringEscapeUtils.escapeHtml(obj.toString());
        } catch (Exception ex) {
            value = "unable to get value";
        } catch (Error er) {
            value = "unable to get value";
        } catch (Throwable th) {
            value = "unable to get value";
        }
        val += value + "</pre><td></tr>\n";
    }
    return val + "</table>";
}

From source file:com.lll.util.ServletUtils.java

/**
 * ???Request Parameters.//  w w  w  .  j a va2  s.c  o  m
 * 
 * Parameter???.
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
public static Map getParametersStartingWith(HttpServletRequest request, String prefix) {
    Enumeration paramNames = request.getParameterNames();
    Map params = new TreeMap();
    if (prefix == null) {
        prefix = "";
    }
    while (paramNames != null && paramNames.hasMoreElements()) {
        String paramName = (String) paramNames.nextElement();
        if ("".equals(prefix) || paramName.startsWith(prefix)) {
            String unprefixed = paramName.substring(prefix.length());
            String[] values = request.getParameterValues(paramName);
            if (values == null || values.length == 0) {//NOSONAR
                // Do nothing, no values found at all.
            } else if (values.length > 1) {
                params.put(unprefixed, (Object) values);
            } else {
                params.put(unprefixed, values[0]);
            }
        }
    }
    return params;
}