org.hopto.pentaj.jexin.util
Class WebUtils

java.lang.Object
  org.hopto.pentaj.jexin.util.WebUtils

public class WebUtils
extends java.lang.Object

Static helper methods for the MVC layer.

Author:

jmcclure

Constructor Summary

WebUtils()

Method Summary

static javax.servlet.http.HttpSession	getExistingSession(javax.servlet.http.HttpServletRequest request) Gets the session from the request.
static java.lang.String	getRequiredParameter(javax.servlet.http.HttpServletRequest request, java.lang.String paramName) Gets the parameter from the request.
static java.lang.String[]	getRequiredParameterValues(javax.servlet.http.HttpServletRequest request, java.lang.String paramName) Gets the parameter values from the request.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

WebUtils

public WebUtils()

Method Detail

getExistingSession

public static javax.servlet.http.HttpSession getExistingSession(javax.servlet.http.HttpServletRequest request)

Gets the session from the request. If the session does not exist a RuntimeException is logged and thrown.

Parameters:

request -

Returns:

The HttpSession

getRequiredParameter

public static java.lang.String getRequiredParameter(javax.servlet.http.HttpServletRequest request,
                                                    java.lang.String paramName)

Gets the parameter from the request. If the parameter does not exist a RuntimeException is logged and thrown.

Parameters:

request - The request to get the parameter from

paramName - The name of the parameter

Returns:

The parameter value

getRequiredParameterValues

public static java.lang.String[] getRequiredParameterValues(javax.servlet.http.HttpServletRequest request,
                                                            java.lang.String paramName)

Gets the parameter values from the request. If the parameter does not exist a RuntimeException is logged and thrown. Use this method instead of getRequiredParameter(HttpServletRequest, String) if there may be multiple values.

Parameters:

request - The request to get the parameter from

paramName - The name of the parameter

Returns:

The parameter values