how I extract field from xml string in java / scala

Question

I have following as a string and I want to get values from it like response code and response message how I can get that

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:tns="https://exa.org/UpdateOrder/">
<soapenv:Body>
<tns:UpdateResponse xmlns="https://exa.org/UpdateOrder/">
<tns:responseCode>0</tns:responseCode>
<tns:responseMessage/>
</tns:UpdateResponse>
</soapenv:Body>
</soapenv:Envelope>

Use the DOM parser that's built into the JDK.

duffymo
– duffymo

2017-07-07 17:09:37 +00:00
Commented Jul 7, 2017 at 17:09 — duffymo
– duffymo, Commented Jul 7, 2017 at 17:09

Dan M · Accepted Answer · 2017-07-11 17:13:44Z

3

The standard scala xml library could make short work of it: The standard Scala XML library

Check out scala String to scala.xml.Elem to convert the string to an scala xml element.
Then you can navigate and parse the xml tree using xpath like sequences in the scala xml library. Something like this:

val xmlNode = scala.xml.XML.loadString(string)
val responseCode = (xmlNode \ "Body" \ "UpdateResponse" \ "responseCode").text

edited Jul 11, 2017 at 17:13

answered Jul 7, 2017 at 18:26

Dan M

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1 Comment

Dan M Over a year ago

I edited my answer. There was a typo with capitalization on "ResponseCode".

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