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Parsing XML response of an external web service in webscript

a_kholodkov

Hello,

I`ve been unsuccesfully trying to do a really general thing in Alfresco two days already :x - to parse XML-response of an external web service and show it in Share.
I have made a custom page in Share to show result, set up endpoint for the web service, written a web script etc. Everything works fine.

But I cannot parse XML-output of the WS. I can show fully XML-output without parsing, but I want to use only part of the data. So I want to parse it.

I do the next (this is simplified variant).

1). In *.js

var xmlRespTest = "<book><page>1</page><page>2</page><page>3</page></book>";
model.data = xmlRespTest;
‍‍‍

2). In *ftl

<#assign dom = data.xmlNodeModel>‍

Then I have error message:
freemarker.template.TemplateException - Expected hash. data evaluated instead to freemarker.template.SimpleScalar

Can anybody help me? What do I do wrong?

Thanks in advance!

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Comments

abarisone

Hi,
try to follow this http://freemarker.sourceforge.net/docs/xgui_imperative_learn.html since it may be useful for you needs.

Regards,
Andrea

a_kholodkov

Andrea, thank you.

But I had tried. This didn`t work for me. As I use JavaScript control script to request web service, not Java-backed.
In this example is used Java for "Putting the XML into the data-model".

I know I can use Java, but I want to proceed so simple task without Java-coding using embedded tools of Surf.

a_kholodkov

I have found the solution!

This is using "stringUtils.parseXMLNodeModel" method in *.js:

var xmlDocModel = stringUtils.parseXMLNodeModel(xmlResp);
model.doc = xmlDocModel;‍‍

Then it is possible to proceed any required operation on XML including using XPath in *.ftl:

<#ftl ns_prefixes={ "soap":"http://schemas.xmlsoap.org/soap/envelope/"}>
           
<#list doc["/soap:Envelope/soap:Body/getCasesResponse/getCasesResult/processes/process"] as p>
<h2>${p.processId}</h2>
</#list> ‍‍‍‍‍

Hope this will be helpfully for anybody.

Regards,
Anton

valfontanette

Hi,

I am having trouble to get this working.
It seems my conversion to string doesn't work.

I need to read a xml file, get some tags and create spaces in my structure.
I am doing some tests. Like this:

var doc = document.content; // my uploaded xml
var doc_str = new String(doc);

var nfeProc = new XML("<nfeProc><teste>35</teste></nfeProc>"); // a xml test

//var nfeProc = new XML(doc_str.substring(0, doc_str.length));

var str_imp = nfeProc.teste ;

var logFile = space.childByNamePath("log.txt");
if (logFile == null)
{
logFile = space.createFile("log.txt");
}
logFile.content = "";

logFile.content =str_imp;
logFile.save();

When I create a XML file in my javascript I can manipulate the tags and it works ok. But when I try to do the same with my imported xml file it doesn't work. I compared types but they are not the same.

Can you help me?

Thanks for your attention

Analisa xml no alfresco.txt.zip

kaynezhang

You don't need to convert it to string ,just write as following .it will work

var fileContent = document.content;
var xml = new XML(fileContent);
‍‍‍‍

And please remeber xml stands for root element,if the content of your document is

<nfeProc><teste>35</teste></nfeProc>
‍‍‍

and you want to get value of teste,you can just write like this

var fileContent = document.content;
var xml = new XML(fileContent);
xml.teste
‍‍‍‍‍

valfontanette

Hi,

Thanks for your help.

I tried this but it returns this (the entire xml content) and not "35".

<nfeProc>
<teste>35</teste>
</nfeProc>

I had this result from these 2 tests:

1)
var fileContent = document.content;
var xml = new XML(fileContent);
xml.teste;

2)
var xml = new XML("<nfeProc><teste>35</teste></nfeProc>");
xml.teste;

I don't know whatelse to do to get the tag content.

Am I doing something wrong?
Should I have to install something?

Thanks

kaynezhang

You don't need to install anything,plese paste your xml content of your document here.

valfontanette

Hi,
My xml file is attached.

My script is like this:

var fileContent = document.content;
var xml = new XML(fileContent);

After this I am not able to navigate throw xml content. So, I had tried with a simple xml file (the one I used before)

Thanks for your help.

arquivo_test.txt.zip

kaynezhang

For your xml sample content

<nfeProc>
   <NFe>
      <infNFe>
         <ide>
            <cUF>35</cUF>
         </ide>
      </infNFe>
   </NFe>
</nfeProc>
‍‍‍‍‍‍‍‍‍‍‍

if you want to get value of /nfeProc/NFe/infNFe/ide/cUF （value is 35)，you should write it like this

 var cUF = xml.NFe.infNFe.ide.cUF;‍

Following is sample code ,I also add some log information which will print in console for you to check if it works.
It works fine in my test envirenmont

logger.getSystem().out("####BEGIN  #####  " );
var fileContent = document.content;
var xml = new XML(fileContent);
logger.getSystem().out("#### XML CONTENT  #####  " + xml);
var cUF = xml.NFe.infNFe.ide.cUF;
logger.getSystem().out("#### cUF value is ####  " + cUF);
‍‍‍‍‍‍‍‍

valfontanette

Hi,

Thanks a lot! It works!
After all I realized my script wasn't working because my log test (somehow it didn't work out with this)

var fileContent = document.content;
var xml = new XML(fileContent);
var cUF = xml.NFe.infNFe.ide.cUF;

//LOG TEST (wrong)

var logFile = space.childByNamePath("log.txt");
if (logFile == null)
{
logFile = space.createFile("log.txt");
}
logFile.content = "";
logFile.content = cUF; // it returns a blank log
logFile.save();

Thanks a lot!

kaynezhang

Good luck.
And a little advice,next time when you paste your code ,you can wrap it within <code> </code ,it is easy for others to read.