+1, sounds like a sensible approach

On Sat, Apr 23, 2011 at 7:35 PM, Juergen Donnerstag
<[email protected]> wrote:
> I had another look at Page.configureResponse(). I agree that the
> current behavior is a bit strange.
>
> If the page markup contains the xml prolog, than a xml prolog is
> written to the response, with the encoding provided by
> application.getRequestCycleSettings().getResponseRequestEncoding().
> If page markup contain no xml prolog, than no xml prolog is written
> into the response.
>
> I think we should remove get/setStripXmlDeclarationFromOutput() and
> replace it with is/setInsertXmlProlog. An no matter whether the page
> markup contains a prolog or not, only if the application setting is
> true, a prolog is written or not. If RCS encoding is null, the prolog
> will still be written, but without encoding attribute.
>
> - it more clearly separates markup reading from response writing
> - allow to enable/disable xml prolog for all pages of the application,
> irrespective whether the markup has the prolog
> - the response prolog can no longer be controlled via the page markup.
> E.g. all pages with style or variation "IE" containing IE specific
> markup, have slightly different markup (don't know if anybody is using
> it like that). We could still allow that by introducing
> WebApplication.isInsertXmlProlog with Page parameter, which can be
> overriden by user on demand. By default it return
> markupSettings.isInsert...
>
> Any thoughts?
>
> -Juergen
>
> On Fri, Apr 22, 2011 at 11:12 AM, Martin Grigorov <[email protected]> 
> wrote:
>> Hi Juergen,
>>
>> Thanks for the explanation. It is more clear now.
>> I meant using IResponseFilter to add the XML prolog if the user
>> application really wants to.
>> Now Page#configureResponse() sets it only for the pages which have it
>> in their markup. If a MyPage.html don't have it and all panels used in
>> that page use non-ascii characters and have the prolog then it is not
>> set in the produced final page markup.
>>
>> I'm not saying we need to change it. If I want the prolog then I'd use
>> my own IResponseFilter to add it to all pages - mine and re-used from
>> libraries (like Wicket internals).
>>
>> The problem reported by Petr is fixed in 1.5. All pages have the prolog.
>>
>> On Fri, Apr 22, 2011 at 10:10 AM, Juergen Donnerstag
>> <[email protected]> wrote:
>>> the setting/exception is to make sure that all markup files have
>>> proper encoding. Think about moving markup files from your local latop
>>> onto a production server. Who guarantees that in your markup are only
>>> ascii chars? Who guarantees the prod server has the same default
>>> encoding than your devs laptops (and your dev might be working
>>> somewhere on the globe). And though the response needs to be browser
>>> aware, because especially historically every browser version behaved
>>> different depending on the presence of the xml prolog in response, it
>>> doesn't (and shouldn't) matter for Wicket's markup. Use whatever web
>>> editor you want, with whatever encoding you want, just make sure the
>>> xml prolog is present.
>>>
>>> Wicket always removes the xml prolog from the markup upon reading,
>>> only the encoding (of Pages) get remembered and used as default for
>>> configuring the Page response. It is Page.configureResponse which
>>> writes a new xml prolog to the response. You can omit that by simply
>>> setting getMarkupSettings().setStripXmlDeclarationFromOutput(false).
>>> No need for response filter or whatever.
>>>
>>> IMO every Wicket markup, especially of what we deliver, should have
>>> the xml prolog.
>>>
>>> -Juergen
>>>
>>> On Thu, Apr 21, 2011 at 9:04 PM, Martin Grigorov <[email protected]> 
>>> wrote:
>>>> I don't know the history of this recommendation. The log message says
>>>> "The markup file does not have a XML declaration prolog: " +
>>>> markupResourceData.getResource() + ". It is more save to use it."
>>>>
>>>> I'm not sure how it is more safe this way (if we keep this message we
>>>> need to fix the typo at least :-) )
>>>> I'd vote to remove this prolog all together. If the user app needs it
>>>> then it is quite easy to use IResponseFilter to add it for each and
>>>> every page.
>>>>
>>>>
>>>> On Thu, Apr 21, 2011 at 7:51 PM, Pedro Santos <[email protected]> wrote:
>>>>>
>>>>> He Petr, by add the prolog in the html files those pages are not correctly
>>>>> rendered in IE8, IMO opinion the best option we have now is to move the
>>>>> Apache header in those files to inside the html tag plus restore the 
>>>>> prolog
>>>>> [1].
>>>>>
>>>>> Devs, I don't know if we can freely move the Apache header to outside the
>>>>> top of our files. Also reading the header politic site [2], I don't get if
>>>>> we can simple remove it. Does the exception page fits the "without any
>>>>> degree of creativity" requirement since it has no programming code? It is
>>>>> just static markup...
>>>>>
>>>>> 1 - https://issues.apache.org/jira/browse/WICKET-3566
>>>>> 2 - http://www.apache.org/legal/src-headers.html
>>>>>
>>>>> <https://issues.apache.org/jira/browse/WICKET-3566>
>>>>> On Thu, Apr 21, 2011 at 2:26 AM, Petr Gladkikh <[email protected]> wrote:
>>>>>
>>>>> > I am trying to upgrage from wicket 1.4.1 to 1.4.17 and have following
>>>>> > problem.
>>>>> > In our application we configure
>>>>> > getMarkupSettings().setThrowExceptionOnMissingXmlDeclaration(true);
>>>>> >
>>>>> > This prevents all Wicket's default pages from rendering since none of
>>>>> > them contain XML prolog anymore. E.g. none of HTML files in
>>>>> >
>>>>> > apache-wicket-1.4.17/src/wicket/src/main/java/org/apache/wicket/markup/html/pages
>>>>> > contain XML declaration prolog. When wicket tries to show error page
>>>>> > exception is thrown. Top of stack trace is:
>>>>> > at org.apache.wicket.markup.MarkupParser.parse(MarkupParser.java:280)
>>>>> > at
>>>>> > org.apache.wicket.markup.loader.SimpleMarkupLoader.loadMarkup(SimpleMarkupLoader.java:52)
>>>>> > at
>>>>> > org.apache.wicket.markup.loader.InheritedMarkupMarkupLoader.loadMarkup(InheritedMarkupMarkupLoader.java:62)
>>>>> > at
>>>>> > org.apache.wicket.markup.loader.DefaultMarkupLoader.loadMarkup(DefaultMarkupLoader.java:55)
>>>>> > at org.apache.wicket.markup.MarkupCache.loadMarkup(MarkupCache.java:465)
>>>>> > at
>>>>> > org.apache.wicket.markup.MarkupCache.loadMarkupAndWatchForChanges(MarkupCache.java:561)
>>>>> > at org.apache.wicket.markup.MarkupCache.getMarkup(MarkupCache.java:325)
>>>>> > at
>>>>> > org.apache.wicket.markup.MarkupCache.getMarkupStream(MarkupCache.java:216)
>>>>> > at
>>>>> > org.apache.wicket.MarkupContainer.getAssociatedMarkupStream(MarkupContainer.java:351)
>>>>> > at org.apache.wicket.Page.onRender(Page.java:1587)
>>>>> > at org.apache.wicket.Component.render(Component.java:2521)
>>>>> > at org.apache.wicket.Page.renderPage(Page.java:932)
>>>>> >
>>>>> > I can work around by switching these exceptions off. But I think that
>>>>> > the problem should be fixed otherwise since even when these exceptions
>>>>> > are switched off following message is written to log:
>>>>> > log.debug("The markup file does not have a XML declaration prolog: " +
>>>>> > markupResourceData.getResource() + ". It is more save to use it. E.g.
>>>>> > <?xml version=\"1.0\" encoding=\"UTF-8\" ?>");
>>>>> >
>>>>> > --
>>>>> > Petr Gladkikh
>>>>> >
>>>>> > ---------------------------------------------------------------------
>>>>> > To unsubscribe, e-mail: [email protected]
>>>>> > For additional commands, e-mail: [email protected]
>>>>> >
>>>>> >
>>>>>
>>>>>
>>>>> --
>>>>> Pedro Henrique Oliveira dos Santos
>>>>
>>>>
>>>>
>>>> --
>>>> Martin Grigorov
>>>> jWeekend
>>>> Training, Consulting, Development
>>>> http://jWeekend.com
>>>>
>>>
>>
>>
>>
>> --
>> Martin Grigorov
>> jWeekend
>> Training, Consulting, Development
>> http://jWeekend.com
>>
>



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