net.mlw.fball.web
Class RequestConstants

java.lang.Object
  |
  +--net.mlw.fball.web.RequestConstants

public final class RequestConstants

extends java.lang.Object

Version:

$Revision: 1.6 $ $Date: 2004/05/21 20:43:48 $

Author:

Matthew L. Wilson

Nested Class Summary

static class	RequestConstants.Key This class is used to represent a key in the request.
static class	RequestConstants.Parameters

Field Summary

static org.apache.commons.logging.Log

LOGGER Commons Logger

Method Summary

static java.lang.Object

getObjectIfNotInRequest(javax.servlet.http.HttpServletRequest request, RequestConstants.Key key, net.mlw.fball.web.ObjectRetriever retriever) Gets the requested object, in the following way: Determines if the objec tis already in the request/session. If needed, uses the ObjectRetriever to get the object. If needed, places the object in the request/session. Returns the object.

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

public static final org.apache.commons.logging.Log LOGGER

Commons Logger

Method Detail

getObjectIfNotInRequest

public static java.lang.Object getObjectIfNotInRequest(javax.servlet.http.HttpServletRequest request,
                                                       RequestConstants.Key key,
                                                       net.mlw.fball.web.ObjectRetriever retriever)
                                                throws java.lang.Exception

Gets the requested object, in the following way:

1. Determines if the objec tis already in the request/session.
2. If needed, uses the ObjectRetriever to get the object.
3. If needed, places the object in the request/session.
4. Returns the object.

Parameters:

request - The servlet request to bind this object to.

key - The Key used to save this object to the request.

retriever - The ObjectRetriever used to retrieve the object if needed

Returns:

The retrieved object.

java.lang.Exception