Here's my write up:
http://software.danielwatrous.com/software-engineering/wicket-gae-automatic-reload
I'm not sure if I can push directly into wicketstuff, but I'm happy to
try. You can grab the source from my site and put it in there. You may
even have a more clever way to composing things.
Daniel
On Tue, Feb 7, 2012 at 12:17 PM, Kayode Odeyemi <drey...@gmail.com> wrote:
> Glad you got it working Daniel, as Martin mentioned earlier, I'll
> appreciate if you can contribute this to existing GaeInitializer or
> somewhere comfortable with the full code so it can be valuable to us all.
>
> Thanks
>
> On Tue, Feb 7, 2012 at 5:31 PM, Daniel Watrous
> <daniel.watr...@gmail.com>wrote:
>
>> I finally got it working. Here's the modified function:
>>
>> public boolean add(IModifiable modifiable, IChangeListener
>> listener) {
>> // TODO Auto-generated method stub
>> checkResources();
>> HashSet<IChangeListener> listenerSet = new
>> HashSet<IChangeListener>();
>> Set<IChangeListener> listeners =
>> listenersMap.putIfAbsent(modifiable, listenerSet);
>> if (listeners != null) {
>> return listeners.add(listener);
>> } else return listenerSet.add(listener);
>> }
>>
>> I'm not sure if that's a good approach or not, but it works for me and
>> that's fantastic.
>>
>> Daniel
>>
>> On Tue, Feb 7, 2012 at 9:30 AM, Daniel Watrous <daniel.watr...@gmail.com>
>> wrote:
>> > So I was just looking at what I sent along and it seems that
>> > putIfAbsent(modifiable, new HashSet<IChangeListener>()) should return
>> > the value component, which should be the new HashSet<IChangeListener>.
>> > Even if the key modifiable already exists, it should return the
>> > previously created HashSet<IChangeListener>.
>> >
>> > I'm confused that listener is coming back null.
>> >
>> > Daniel
>> >
>> > On Tue, Feb 7, 2012 at 9:21 AM, Daniel Watrous <daniel.watr...@gmail.com>
>> wrote:
>> >> That helped. I'm getting really close.
>> >>
>> >> I'm now getting a null pointer exception in this function
>> >>
>> >> public boolean add(IModifiable modifiable, IChangeListener
>> listener) {
>> >> // TODO Auto-generated method stub
>> >> checkResources();
>> >> Set<IChangeListener> listeners =
>> listenersMap.putIfAbsent(modifiable,
>> >> new HashSet<IChangeListener>());
>> >> return listeners.add(listener);
>> >> }
>> >>
>> >> listeners is null.
>> >>
>> >> I noticed that start(Duration pollFrequency) in GaeModificationWatcher
>> >> was never getting called, so I updated my WicketApplication to set it
>> >> like this:
>> >>
>> >> IModificationWatcher watcher = new
>> GaeModificationWatcher();
>> >> watcher.start(Duration.ONE_SECOND);
>> >> getResourceSettings().setResourceWatcher(watcher);
>> >>
>> >> But that didn't help my problem. I'm still trying to follow
>> >>
>> http://agilewombat.blogspot.com/2010/01/wicket-on-google-app-engine.html
>> >>
>> >> Any pointers?
>> >>
>> >> Thanks,
>> >> Daniel
>> >>
>> >> On Tue, Feb 7, 2012 at 8:42 AM, Martin Grigorov <mgrigo...@apache.org>
>> wrote:
>> >>> Try with java.util.Map.Entry
>> >>>
>> >>> On Tue, Feb 7, 2012 at 5:39 PM, Daniel Watrous <
>> daniel.watr...@gmail.com> wrote:
>> >>>> I've now created a class MyRequestCycleListener extends
>> >>>> AbstractRequestCycleListener.
>> >>>>
>> >>>> I'm having a little trouble building class GaeModificationWatcher
>> >>>> implements IModificationWatcher. I've tried following this example:
>> >>>>
>> http://agilewombat.blogspot.com/2010/01/wicket-on-google-app-engine.html
>> >>>>
>> >>>> to create the public void checkResources() function, but I'm not sure
>> >>>> what Entry class to import. I have tried importing these two Entry
>> >>>> classes:
>> >>>> org.apache.wicket.util.collections.IntHashMap.Entry
>> >>>> import
>> com.google.appengine.repackaged.com.google.common.collect.Multiset.Entry
>> >>>>
>> >>>> It seems no matter which Entry class I import I get errors like:
>> >>>>
>> >>>> Multiple markers at this line
>> >>>> - Entry cannot be resolved to a type
>> >>>> - The constructor
>> >>>>
>> HashSet<Entry<IModifiable,Set<IChangeListener>>>(Set<Map.Entry<IModifiable,Set<IChangeListener>>>)
>> >>>> is
>> >>>> undefined
>> >>>> - Incorrect number of arguments for type IntHashMap.Entry; it
>> cannot
>> >>>> be parameterized with arguments <IModifiable,
>> >>>> Set<IChangeListener>>
>> >>>>
>> >>>> Thanks for any pointers.
>> >>>>
>> >>>> Daniel
>> >>>>
>> >>>>
>> >>>> On Tue, Feb 7, 2012 at 7:07 AM, Martin Grigorov <mgrigo...@apache.org>
>> wrote:
>> >>>>> On Tue, Feb 7, 2012 at 3:53 PM, Daniel Watrous <
>> daniel.watr...@gmail.com> wrote:
>> >>>>>> Thanks Martin,
>> >>>>>>
>> >>>>>> I did make that much progress yesterday after sending this, but I
>> >>>>>> can't figure out how to get the Application inside the
>> onBeginRequest
>> >>>>>> method that I override. In the other examples they call
>> >>>>>> getApplication()
>> >>>>>>
>> >>>>>> @Override
>> >>>>>> protected void onBeginRequest() {
>> >>>>>> if
>> (getApplication().getConfigurationType().equals(Application.DEVELOPMENT))
>> >>>>>> {
>> >>>>>> final GaeModificationWatcher resourceWatcher =
>> >>>>>> (GaeModificationWatcher) getApplication()
>> >>>>>> .getResourceSettings().getResourceWatcher(true);
>> >>>>>> resourceWatcher.checkResources();
>> >>>>>> }
>> >>>>>> }
>> >>>>>>
>> >>>>>> How can I get the Application object?
>> >>>>>
>> >>>>> Application.get()
>> >>>>>
>> >>>>>>
>> >>>>>> Daniel
>> >>>>>>
>> >>>>>> On Mon, Feb 6, 2012 at 11:43 PM, Martin Grigorov <
>> mgrigo...@apache.org> wrote:
>> >>>>>>> Hi,
>> >>>>>>>
>> >>>>>>> On Tue, Feb 7, 2012 at 1:32 AM, Daniel Watrous <
>> daniel.watr...@gmail.com> wrote:
>> >>>>>>>> Hi,
>> >>>>>>>>
>> >>>>>>>> I'm following up on a previous thread that's still unresolved. I
>> would
>> >>>>>>>> like GAE to automatically reload my HTML when I save changes.
>> Classes
>> >>>>>>>> are reloaded when I save (compile) them, but I have to restart
>> each
>> >>>>>>>> time for HTML changes.
>> >>>>>>>>
>> >>>>>>>> There are some old articles that show how to do this, but they
>> deal
>> >>>>>>>> with older versions of Wicket and GAE. For example:
>> >>>>>>>>
>> http://agilewombat.blogspot.com/2010/01/wicket-on-google-app-engine.html
>> >>>>>>>>
>> http://apache-wicket.1842946.n4.nabble.com/How-can-I-reload-HTML-in-app-engine-td3005241.html
>> >>>>>>>>
>> http://code.google.com/p/kickat26/source/browse/trunk/src/de/kickat26/ui/wicket/GAEModificationWatcher.java
>> >>>>>>>>
>> >>>>>>>> Those suggest creating a class MyWebRequestCycle extends
>> >>>>>>>> WebRequestCycle, but wicket 1.5 doesn't have WebRequestCycle.
>> >>>>>>>>
>> >>>>>>>> How can I accomplish this same thing in the current version of
>> wicket?
>> >>>>>>>
>> >>>>>>> application.getRequestCycleListeners().add(new
>> MyRequestCycleListener())
>> >>>>>>>
>> >>>>>>> class MyRequestCycleListener extends AbstractRequestCycleListener {
>> >>>>>>> // override the method you need here
>> >>>>>>> }
>> >>>>>>>
>> >>>>>>> Once you have it you can contribute it to gae-initializer project
>> so
>> >>>>>>> other people can re-use it and improve it.
>> >>>>>>>
>> >>>>>>>>
>> >>>>>>>> Daniel
>> >>>>>>>>
>> >>>>>>>>
>> ---------------------------------------------------------------------
>> >>>>>>>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
>> >>>>>>>> For additional commands, e-mail: users-h...@wicket.apache.org
>> >>>>>>>>
>> >>>>>>>
>> >>>>>>>
>> >>>>>>>
>> >>>>>>> --
>> >>>>>>> Martin Grigorov
>> >>>>>>> jWeekend
>> >>>>>>> Training, Consulting, Development
>> >>>>>>> http://jWeekend.com
>> >>>>>>>
>> >>>>>>>
>> ---------------------------------------------------------------------
>> >>>>>>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
>> >>>>>>> For additional commands, e-mail: users-h...@wicket.apache.org
>> >>>>>>>
>> >>>>>>
>> >>>>>>
>> ---------------------------------------------------------------------
>> >>>>>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
>> >>>>>> For additional commands, e-mail: users-h...@wicket.apache.org
>> >>>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>> --
>> >>>>> Martin Grigorov
>> >>>>> jWeekend
>> >>>>> Training, Consulting, Development
>> >>>>> http://jWeekend.com
>> >>>>>
>> >>>>> ---------------------------------------------------------------------
>> >>>>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
>> >>>>> For additional commands, e-mail: users-h...@wicket.apache.org
>> >>>>>
>> >>>>
>> >>>> ---------------------------------------------------------------------
>> >>>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
>> >>>> For additional commands, e-mail: users-h...@wicket.apache.org
>> >>>>
>> >>>
>> >>>
>> >>>
>> >>> --
>> >>> Martin Grigorov
>> >>> jWeekend
>> >>> Training, Consulting, Development
>> >>> http://jWeekend.com
>> >>>
>> >>> ---------------------------------------------------------------------
>> >>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
>> >>> For additional commands, e-mail: users-h...@wicket.apache.org
>> >>>
>>
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>>
>>
>
>
> --
> Odeyemi 'Kayode O.
> http://www.sinati.com. t: @charyorde
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