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Unmarshalling nested or complex data elements in JAVA Web services [message #1709233]

Fri, 25 September 2015 03:13

Eclipse User

We are developing JAVA web services and have come up with input to the web services. The input has data elements and the last element is an Arraylist which has four items. We are able to get the values of first set of elements which are not in arraylist and then save or store them in a database. The challenge we have is to get the values of nested elements in arraylist .

We are using the following code but it is complaining or giving error message that it cannot see (DataInfo.xml) XML file.

 JAXBContext jaxbContext = JAXBContext.newInstance(DataInfo.class);
       Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();          
    DataInfo  EXitems = (DataInfo) jaxbUnmarshaller.unmarshal(new File("DataInfo.xml") );

How can we ensure that DataInfo.xml is generated at the runtime?

Re: Unmarshalling nested or complex data elements in JAVA Web services [message #1709382 is a reply to message #1709233]

Mon, 28 September 2015 03:15

Eclipse User

Hi,

To pass XML content, you need to wrap the content in a Reader, and unmarshal that instead:

Try the following if this helps:

JAXBContext jaxbContext = JAXBContext.newInstance(DataInfo.class);
Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();

StringReader reader = new StringReader("xml string here");
DataInfo EXitems  = (DataInfo) unmarshaller.unmarshal(reader);

-Cheers
Ashish

Re: Unmarshalling nested or complex data elements in JAVA Web services [message #1709418 is a reply to message #1709382]

Mon, 28 September 2015 06:49

Eclipse User

Hi Ashish Khole,
Thanks for the response, but the challenge I have is generating the XML at the run time or dynamically. When I use static XML with the values it is working. So the main problem is on how to DataInfo.xml file at run time or dynamically

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