Hi Thiago - thanks for this. I was unaware that you could pass arguments
to an onEvent() method as query string params as well as context params.
Cheers
On Thu, 2011-01-06 at 09:46 -0200, Thiago H. de Paula Figueiredo wrote:
> Hi, Richard!
>
> When passing information from JavaScript to a page or component class, I
> avoid the the encoding problem by using query parameters (which are
> decoded normally instead of using the Tapestry decoder). With the new
> @RequestParameter and @ActivationRequestParameter annotations this is even
> easier.
>
> On Thu, 06 Jan 2011 09:37:35 -0200, Richard Hill <r...@su3analytics.com>
> wrote:
>
> >
> > Hi Taha,
> >
> > Thanks for the response. The latter suggestion doesn't work for me,
> > these urls are external urls input by the user. I tried the first
> > suggestion but it does not work. Not sure exactly what all the issues
> > are, but I note that what encodeURIComponent encodes and what Tapestry
> > encodes are not consistent (e.g tapestry doesn't encode a ":" whereas
> > encodeURIComponent does). Also Tapestry converts a "$" to "$$", and
> > Tapestry's hex is lower-case, whereas encodeURIComponent is upper-cased.
> > There may be other differences too.
> >
> > So I have instead ported the tapestry service method
> > URLEncoderImpl.encode(String input) to javascript. I haven't tested on a
> > huge number of urls, but it seems to work. I have though tested the hex
> > encoding against the main pertinent characters (!, &, ?, %,
> > ~, ; /, ....) and they seem to all tally. For posterity this is the
> > javascript:
> >
> >
> > _SU3.tapestryEncodeUri = function(uri) {
> >
> > var ENCODED_NULL = "$N";
> > var ENCODED_BLANK = "$B";
> >
> > if (uri == null) return ENCODED_NULL;
> > if (uri == "") return ENCODED_BLANK;
> >
> > var dirty = false;
> >
> > var encodedUri = "";
> >
> > var safe = new RegExp(/[a-zA-Z0-9\-_\.:]/);
> >
> > for (var i = 0; i < uri.length; i++) {
> >
> > var ch = uri.charAt(i);
> >
> > if (ch == '$') {
> > encodedUri = encodedUri + "$$";
> > dirty = true;
> > continue;
> > }
> >
> > if (ch.match(safe)) {
> > encodedUri = encodedUri + ch;
> > continue;
> > }
> >
> > var encodedCh = _SU3.tapestryEncodeChar(ch);
> >
> > encodedUri = encodedUri + encodedCh;
> >
> > dirty = true;
> > }
> >
> > return dirty ? encodedUri : uri;
> >
> > };
> >
> >
> > _SU3.tapestryEncodeChar = function(char) {
> >
> > var chAsInt = char.charCodeAt(0);
> >
> > var hex = chAsInt.toString(16);
> >
> > var encodedCh;
> >
> > if (hex.length == 2) {
> > encodedCh = "$00" + hex;
> > } else if (hex.length == 3) {
> > encodedCh = "$0" + hex;
> > } else if (hex.length == 1) {
> > encodedCh = "$000" + hex;
> > } else {
> > encodedCh = "$" + hex;
> > }
> >
> > return encodedCh;
> > };
> >
> >
> >
> > Cheers, Richard.
> >
> >
> >
> > On Wed, 2011-01-05 at 11:31 +0530, Taha Hafeez wrote:
> >> Hi Richard
> >>
> >> There are two ways of doing it...
> >>
> >> 1. after you have applied encodeURIComponent() replace '%' by '$00'
> >> (ensure
> >> that the converted number is 4 digit)
> >> 2. Use ?name=value instead of '/' and use request.getParameter() or
> >> @RequestParameter
> >>
> >> regards
> >> Taha
> >>
> >>
> >> On Tue, Jan 4, 2011 at 11:26 PM, Richard Hill <r...@su3analytics.com>
> >> wrote:
> >>
> >> >
> >> > Ah, apologies - I thought the threading was based on the subject line.
> >> >
> >> > R.
> >> >
> >> >
> >> >
> >> > On Tue, 2011-01-04 at 15:52 -0200, Thiago H. de Paula Figueiredo
> >> wrote:
> >> > > Hi!
> >> > >
> >> > > Please post new discussions as new messages instead of replying to
> >> > > existing ones. Every threaded visualization of the mailing list
> >> will show
> >> > > your message in the wrong place. ;)
> >> > >
> >> > > On Tue, 04 Jan 2011 15:24:28 -0200, Richard Hill
> >> <r...@su3analytics.com>
> >> > > wrote:
> >> > >
> >> > >
> >> > > > Happy New Year All,
> >> > > >
> >> > > > I'm attempting to pass an url in an ajax request to an onEvent
> >> handler.
> >> > > > So I'm making a request like:
> >> > > >
> >> > > > GET /MyPage.MyComponent:event/http://blah.com/....
> >> > > >
> >> > > > MyComponent.java:
> >> > > >
> >> > > > public StreamResponse onEvent(String url) {
> >> > > > ....
> >> > > > }
> >> > > >
> >> > > >
> >> > > > The problem is that what's being passed to onEvent() is just
> >> "http:"
> >> > > >
> >> > > > Now I realise that "/" is the context delimiter. However I've
> >> tried
> >> > > > encoding the url with escape(url), encodeURI(url), and
> >> > > > encodeURIComponent(url) (the latter 2 encode the "/") but to no
> >> avail -
> >> > > > same issue.
> >> > > >
> >> > > > I also realise that Tapestry employs it's own encoding scheme -
> >> do I
> >> > > > have to encode in this way? If so, does anyone have some code to
> >> > > > implement Tapestry url encoding in javascript?
> >> > > >
> >> > > > Many thanks,
> >> > > >
> >> > > > Richard.
> >> > > >
> >> > > >
> >> > > >
> >> > > >
> >> > > >
> >> > > >
> >> > > >
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> >> > > >
> >> > >
> >> > >
> >> >
> >> >
> >> >
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> >> >
> >
> >
> >
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