Many thanks Dejan. It could be interesting to update the ajax.html page with the above text in order to help all the users that we are ;)
KR, Charles Dejan Bosanac-3 wrote: > > Hi Charles, > > stock portfolio example sends XML in a text message to the Ajax client. > Therefore, you'll get the response like this (full body). > > <ajax-response> > <response id='stocks' destination='topic://STOCKS.*' ><price > stock='BEAS' bid='94.08395193508605' offer='94.17803588702112' > movement='up'/></response> > </ajax-response> > > the "message object" you see is just the <price ... /> xml text and > getAttribute() is JavaScript way of handling XML tag attributes. > So, there is no "definition" of message object, it's just what you send > to the broker; text if it is a TextMessage or object.toString in case of > object message. > > Also you can find _amq.js which contains the whole Ajax JavaScript logic > here > > http://svn.apache.org/viewvc/activemq/trunk/activemq-web/src/main/resources/org/apache/activemq/web/_amq.js?view=markup > > Cheers > > -- > Dejan Bosanac > > > http://www.ttmsolutions.com - get a free ActiveMQ user guide > > ActiveMQ in Action - http://www.manning.com/snyder/ > Scripting in Java - http://www.scriptinginjava.net > > > > > cmoulliard wrote: >> Hi, >> >> Additional question : What is the javascript class of the message >> returned >> (DOM, XMLHTTPResuest, ....) ? >> >> The existing doc does not help us because in the two example, we saw that >> we >> can use message.getAttribute or message.getChildNodes[0], ... ? >> >> KR, >> >> Charles Moulliard >> >> >> cmoulliard wrote: >> >>> Hi, >>> >>> I would like to know where the javascript object Message used by >>> AJAX/ActiveMq in a HTML page is defined ? I see in the portfolio example >>> that we can use the following method "message.getAttribute('stock')" to >>> access part of the xml message returned by the queue engine through the >>> MessageListenerServlet but I would like to know what are the methods / >>> variables available for this message object (which is normally a mirror >>> of >>> the jax.jms.Message object) ? >>> >>> To be more precise, here is a copy/paste of the portfolio.js script of >>> the >>> example where message appears at the line _price: function(message) >>> >>> var priceHandler = { >>> _price: function(message) { >>> if (message != null) { >>> var price = parseFloat(message.getAttribute('bid')) >>> var symbol = message.getAttribute('stock') >>> var movement = message.getAttribute('movement') >>> if (movement == null) { >>> movement = 'up' >>> } >>> >>> var row = document.getElementById(symbol) >>> if (row) { >>> // perform portfolio calculations >>> var value = asFloat(find(row, 'amount')) * price >>> var pl = value - asFloat(find(row, 'cost')) >>> >>> // now lets update the HTML DOM >>> find(row, 'price').innerHTML = fixedDigits(price, 2) >>> find(row, 'value').innerHTML = fixedDigits(value, 2) >>> find(row, 'pl').innerHTML = fixedDigits(pl, 2) >>> find(row, 'price').className = movement >>> find(row, 'pl').className = pl >= 0 ? 'up' : 'down' >>> } >>> } >>> } >>> }; >>> >>> function portfolioPoll(first) >>> { >>> if (first) >>> { >>> amq.addListener('stocks','topic://STOCKS.*',priceHandler._price); >>> } >>> } >>> >>> amq.addPollHandler(portfolioPoll); >>> >>> Remark : addtiaional question >>> - Who will cal the function portfolioPoll(first) function ? >>> - How is the parameter first which is a boolean setted ? >>> >>> KR, >>> >>> Charles Moulliard >>> >>> >> >> >> ----- >> Enterprise Architect >> >> Xpectis >> 12, route d'Esch >> L-1470 Luxembourg >> >> Phone +352 25 10 70 470 >> Mobile +352 621 45 36 22 >> >> e-mail : [EMAIL PROTECTED] >> web site : www.xpectis.com www.xpectis.com >> My Blog : http://cmoulliard.blogspot.com/ >> http://cmoulliard.blogspot.com/ >> > > > > ----- Enterprise Architect Xpectis 12, route d'Esch L-1470 Luxembourg Phone +352 25 10 70 470 Mobile +352 621 45 36 22 e-mail : [EMAIL PROTECTED] web site : www.xpectis.com www.xpectis.com My Blog : http://cmoulliard.blogspot.com/ http://cmoulliard.blogspot.com/ -- View this message in context: http://www.nabble.com/Where-the-Message-object-%28javascript%29-of-amq.js-is-defined---tp20090852p20110798.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.
