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List:       xml-cocoon-users
Subject:    RE: XMLHTTP and cocoon
From:       "Giuseppe Bonelli" <giuseppe.bonelli () tiscali ! it>
Date:       2002-09-30 13:21:00
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Here are a few snippets i use to exchange xml data from a client side js and cocoon2.

My scenario is: the client browser save an xml file on the server using the source \
write transformer.

If you need to echo the file back to the browser, just serialize it again, eventually \
after another transformation.

Hope this helps

--peppo
 
The client side js snippet:

			{
			...
			reqxml=the-xml-you-want-to-transfer-to-cocoon
			xmlhttp.open("POST", baseurl, false);
			xmlhttp.send(reqxml);
			var resxml=xmlhttp.responseXML;
			//alert(resxml.xml);
			if (!reqxml.documentElement) {
					alert("could not parse:\n\n"+xmlhttp.responseText);
					return null;
			}

	  // C2 error handling
	try {
					//check the response status
					var buf=resxml.documentElement;
					//alert(buf.childNodes.item(0).getAttribute("result"));
					if (buf.childNodes.item(0).getAttribute("result") != "success") {
						var errmsg = resxml.documentElement.text;
						if (!ignoreErrors) alert("Non e stato possibile salvare sul server il file.\n\n \
Il server ha risposto: "+errmsg);  return null;
					}
					else {
						var fname=resxml.documentElement.childNodes.item(0).getAttribute("src");
						var pos=fname.indexOf('xdocs/');
						fname=fname.slice(pos+6,fname.length-18);
						alert("Una nuova versione del file '"+fname+".xml' e stata salvata con successo \
sul server\n\nBuona continuazione!");  }
				} catch (e) {
					if (!ignoreErrors) alert("Server returned an error, but was not understood by \
the editor.\n\n");  return null;
				}
},

in the sitemap:

      <map:match pattern="save">
        <map:generate type="stream"/>
        <map:transform type="write-source"/>
        <map:serialize type="xml"/>
      </map:match>

NB: the error handling is done on the basis of the xml generated by the source write \
transformer used in the sitemap. See the docs for details.


> -----Original Message-----
> From: Cocoon User [mailto:cocoon@eng.gr]
> Sent: lunedi 30 settembre 2002 11.21
> To: cocoon-users@xml.apache.org
> Subject: XMLHTTP and cocoon
> 
> 
> hi folks
> 
> i have make an html form than post an XML file (object with javascript)
> using XMLHTTP
> 
> is there any way in cocoon to receive this post an simple echo this XML
> object in browser?
> 
> (if not cocoon a tomcat webapp)
> 
> i want to find a very simple example to test if i can transport an XML
> object from a client (IE6) to the server where a cocoon and tomcat are
> installed
> 
> 
> thnx
> 
> Kounis Stavros
> 
> 
> 
> 
> 
> 
> ---------------------------------------------------------------------
> Please check that your question  has not already been answered in the
> FAQ before posting.     <http://xml.apache.org/cocoon/faq/index.html>
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