Rails spinoffs - Jun 2008 - Prototype.js: Response Rendering Problem Using Ajax.Updater to call a SOAP Web Service

Hi, everyone.

I am currently using Ajax.Request to call a SOAP web service. Code
looks like this:

  var ar = new Ajax.Request(
  url,
  {
    method: "post",
    contentType: ''application/soap+xml'',
    requestHeaders: myRequestHeaders,
    postBody: mySoap,
    onSuccess: function(transport) {
      //alert("Success: " + transport.responseText);
      containerId.innerHTML transport.responseXML.childNodes[0].textContent;
      $(''soapId'').innerHTML
transport.responseText.escapeHTML();
      },
    onFailure: function(transport) { alert("Error: " +
transport.responseText); }
  });

...and is working fine.

The containerId points to a <DIV>, so that using the above, the web
page shows the contents returned by the web service. This renders ok
if I use transport.responseXML.childNodes[0].textContent, but not if I
use transport.responseText.  The reason is that the latter contains
the entire soap envelope, while the former contains just the HTML
fragment.

I would like to be able to use the simpler Ajax.Updater, but whenever
I try it, it apparently returns the transport.responseText (with the
soap envelope), and so the final rendered <DIV> looks kind of like
this in the browser:


<?xml version="1.0" encoding="UTF-8"?><h2>WCM
Contents</h2><table
border="1"><tr bgcolor="#9acd32"><th
align="left">Title</th><th
align="left">Contents</th></tr><tr><td>Thar''s
GOLD In Them Red Hills!</
td><td>News Flash - Gold discovered on
Mars!</td></tr><tr><td>Thar''s
GOLD In Them Red Hills!</td><td>News Flash - Gold discovered on
Mars!</
td></tr><tr><td>Thar''s GOLD In Them Red
Hills!</td><td>News Flash -
Gold discovered on
Mars!</td></tr><tr><td>Thar''s GOLD In Them Red
Hills!</td><td>News Flash - Gold discovered on Mars!</td></
tr><tr><td>Thar''s GOLD In Them Red
Hills!</td><td>News Flash - Gold
discovered on Mars!</td></tr><tr><td>Thar''s
GOLD In Them Red Hills!</
td><td>News Flash - Gold discovered on
Mars!</td></tr></table>

...i.e. the browser is not able to correctly interpret the table
markups. (Again, if I use the
transport.responseXML.childNodes[0].textContent, it IS able to
correctly interpret the table markups.

Any thoughts on how to get this to work for the Ajax.Updater (and
ultimately the PeriodicalUpdater)?

I''m willing to change the way I custom-handled this in Ajax.Request,
if need be.

Ben Ethridge
Senior Java Developer
Leapfrog Systems

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