org.josef.web.jsf.util

Class JsfRequestUtil

java.lang.Object

org.josef.web.jsf.util.JsfRequestUtil

public final class JsfRequestUtil
extends Object

Java Server Faces Utility class related to request handling.

Version:

1.0 $Revision: 3786 $

Author:

Kees Schotanus

Method Summary

Modifier and Type	Method and Description
static Long	getObjectIdFromRequest() Gets the 'oid' from the request.
static javax.servlet.http.HttpServletRequest	getRequest() Convenience method to get the HttpServletRequest.
static String	getRequestContextPath() Convenience method to get the request's context path.
static Map<String,Object>	getRequestMap() Convenience method to get the request map.
static String	getRequestParameter(String name) Convenience method to get a parameter from the current request.
static Map<String,String>	getRequestParameterMap() Convenience method to get the request parameter map.

Methods inherited from class java.lang.Object

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

Method Detail

getRequest

public static javax.servlet.http.HttpServletRequest getRequest()

Convenience method to get the HttpServletRequest.

Returns:

The request or null when the current request is not of type HttpServletRequest.

getRequestContextPath

public static String getRequestContextPath()

Convenience method to get the request's context path.

Returns:

The request's context path.

getRequestMap

public static Map<String,Object> getRequestMap()

Convenience method to get the request map.

Returns:

The request map.

getRequestParameterMap

public static Map<String,String> getRequestParameterMap()

Convenience method to get the request parameter map.

Returns:

The request parameter map.

getRequestParameter

public static String getRequestParameter(String name)

Convenience method to get a parameter from the current request.

Parameters:

name - Name of the request parameter to get.

Returns:

The value corresponding to the supplied name of a request parameter or null when no parameter with the supplied name exists.

Throws:

NullPointerException - When the supplied name is null.

IllegalArgumentException - When the supplied name is empty.

getObjectIdFromRequest

public static Long getObjectIdFromRequest()

Gets the 'oid' from the request.
Postcondition: When the 'oid' does not exist as a request parameter or does exist but with an invalid value, a JSF Message is automatically added.

Returns:

The 'oid' from the request or null when the 'oid' request parameter does not exist or does exist but does not contain a valid integer value.