Inserting content in a Variable [HELP!]

Question

Hello all,
I'm creating a business process using OBPM and my situation is:
I have a web service that returns a XML file in string format. After this web service I have another one that receives a complex type sequence.
Between these two services I put a Java Embedding to convert the XML string to a XML Document, and then I must add this XML document as a child of my another web service input.
Being, more clear.
My web service A returns this:
<getArrPersonReturn type="ns2:Vector">
     <item type="ns2:Person">
          <age type="xsd:int">23</idade>
          <name type="soapenc:string">Alan</nome>
     </item>
     <item type="ns2:Person">
          <age type="xsd:int">20</idade>
          <name type="soapenc:string">Charles</nome>
     </item>
</getArrPessoaReturn>
As I told, this is all XML String, and not XML Document.
My next web service receives a sequence of Person. So, I am trying to convert those XML string to a XML Document and insert each <item> in the input variable to the next web service. To achieve this, I tryed:
1. Got the next web service input as an Element:
Element element_varTest = (Element)getVariableData("TestWS","v","/v");
When I give a System.out.println(element_varTest), I get:
<v xmlns:def="urn:WSPerson" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="def:Vector"></v>
2. So I try to give a element_varTest.appendChild(each_above_item) to put those itens inside <v></v>, but it doesn't work. Always I receive an error saying only NULL. :'-(
If anyone could help me I would appreciate so much!!!!
Thanks a lot,
Fabricio.

Answer 1

As it is defined as a string, it will not be recognized as an XML document. So, the first step you need to take, is to convert the string to an XML doc. The easiest way to do so, is to use parseEscapedXML, like:
<assign name="copyXMLstring">
<copy>
<from expression="ora:parseEscapedXML(bpws:getVariableData('input'))"/>
<to variable="output" query="/ns1:return"/>
</copy>
</assign>
where the structure is defined in ns1. After this, you can handle 'output' as an XML document.