com.redhat.rhn.frontend.action.configuration

Class BaseRankChannels

java.lang.Object

org.apache.struts.action.Action

org.apache.struts.actions.BaseAction

org.apache.struts.actions.DispatchAction

org.apache.struts.actions.LookupDispatchAction

com.redhat.rhn.frontend.struts.RhnLookupDispatchAction

com.redhat.rhn.frontend.action.configuration.BaseRankChannels

Direct Known Subclasses:

RankChannels, RankChannelsAction

public abstract class BaseRankChannels
extends RhnLookupDispatchAction

BaseRankChannels, Abstract class for config channel rankings in ssm and sdc.

Field Summary

Fields

Modifier and Type	Field and Description
protected static java.lang.String	POSSIBLE_CHANNELS
protected static java.lang.String	RANKED_VALUES
protected static java.lang.String	SELECTED_CHANNEL

Fields inherited from class com.redhat.rhn.frontend.struts.RhnLookupDispatchAction

SUBMITTED

Fields inherited from class org.apache.struts.actions.LookupDispatchAction

keyMethodMap, localeMap

Fields inherited from class org.apache.struts.actions.DispatchAction

clazz, log, methods, types

Fields inherited from class org.apache.struts.actions.BaseAction

messages

Fields inherited from class org.apache.struts.action.Action

servlet

Constructor Summary

Constructors

Constructor and Description
BaseRankChannels()

Method Summary

Modifier and Type	Method and Description
protected java.util.List	getChannelIds(org.apache.struts.action.DynaActionForm form) Returns the the channel Ids info retrieved after one has clicked Update Channel Rankings or Apply Subscriptions.
protected RhnSet	getRhnSet(User user) returns the Rhn Set used to store the sets..
org.apache.struts.action.ActionForward	handleNoScript(org.apache.struts.action.ActionMapping mapping, org.apache.struts.action.ActionForm formIn, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Raises an error message saying javascript is required to process this page
protected abstract void	populateWidgetLabels(java.util.LinkedHashSet labelValues, RequestContext context) Extension point for each of the subclasses to add content LabelValues before more content is added to it using rhn sets to the RankWidget check box..
protected abstract void	processParams(RequestContext context, java.util.Map params) Extension points for each of the BaseRankChannel sub classses to add params to forwarding page..
protected abstract void	setup(RequestContext context, org.apache.struts.action.DynaActionForm form, RhnSet set) Extension point for doing additional setup stuff before the jsp is loaded...
protected void	setupWidget(RequestContext context, org.apache.struts.action.DynaActionForm form, RhnSet set) Sets up the rangling widget.

Methods inherited from class com.redhat.rhn.frontend.struts.RhnLookupDispatchAction

getMethodName, getStrutsDelegate, isSubmitted, l10n, lv

Methods inherited from class org.apache.struts.actions.LookupDispatchAction

execute, getKeyMethodMap, getLookupMapName

Methods inherited from class org.apache.struts.actions.DispatchAction

cancelled, dispatchMethod, getMethod, getParameter, unspecified

Methods inherited from class org.apache.struts.action.Action

addErrors, addMessages, execute, generateToken, getErrors, getLocale, getMessages, getResources, getResources, getServlet, isCancelled, isTokenValid, isTokenValid, resetToken, saveErrors, saveErrors, saveMessages, saveMessages, saveToken, setLocale, setServlet

Methods inherited from class java.lang.Object

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

Field Detail

POSSIBLE_CHANNELS

protected static final java.lang.String POSSIBLE_CHANNELS

See Also:

Constant Field Values

SELECTED_CHANNEL

protected static final java.lang.String SELECTED_CHANNEL

See Also:

Constant Field Values

RANKED_VALUES

protected static final java.lang.String RANKED_VALUES

See Also:

Constant Field Values

Constructor Detail

BaseRankChannels

public BaseRankChannels()

Method Detail

setupWidget

protected void setupWidget(RequestContext context,
                           org.apache.struts.action.DynaActionForm form,
                           RhnSet set)

Sets up the rangling widget.

Parameters:

context - the request context of the current request

form - the dynaform related to the current request.

set - the rhnset holding the channel ids.

populateWidgetLabels

protected abstract void populateWidgetLabels(java.util.LinkedHashSet labelValues,
                                             RequestContext context)

Extension point for each of the subclasses to add content LabelValues before more content is added to it using rhn sets to the RankWidget check box.. The subclasses should update the labelValues

Parameters:

labelValues - a LinkedHashSet/List in some sense that holds a bunch of lv(Channel labels, Channel ids). This is a Linked Hash Set becasue we needed to throw away duplicate insertions while maintaining the correct order of insertion.

context - the request context of the current request

getChannelIds

protected java.util.List getChannelIds(org.apache.struts.action.DynaActionForm form)

Returns the the channel Ids info retrieved after one has clicked Update Channel Rankings or Apply Subscriptions.

Parameters:

form - the submitted form..

Returns:

List containing the channel ids in the order of their new rankings.

getRhnSet

protected RhnSet getRhnSet(User user)

returns the Rhn Set used to store the sets..

Parameters:

user - The Loggin User

Returns:

rhn set used to store channel ids.

handleNoScript

public org.apache.struts.action.ActionForward handleNoScript(org.apache.struts.action.ActionMapping mapping,
                                                             org.apache.struts.action.ActionForm formIn,
                                                             javax.servlet.http.HttpServletRequest request,
                                                             javax.servlet.http.HttpServletResponse response)

Raises an error message saying javascript is required to process this page

Parameters:

mapping - struts ActionMapping

formIn - struts ActionForm

request - HttpServletRequest

response - HttpServletResponse

Returns:

An action forward to the default page with the error message

processParams

protected abstract void processParams(RequestContext context,
                                      java.util.Map params)

Extension points for each of the BaseRankChannel sub classses to add params to forwarding page..

Parameters:

context - the request context of the current request.

params - the params to be updated

setup

protected abstract void setup(RequestContext context,
                              org.apache.struts.action.DynaActionForm form,
                              RhnSet set)

Extension point for doing additional setup stuff before the jsp is loaded...

Parameters:

context - the request context of the current request.

form - the action form for setting up form contents on the new page

set - the set storing the rank contents