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Thread: How to compare two similar xml documents ignoring node text values by using XMLUnit?

  1. #1
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    Question How to compare two similar xml documents ignoring node text values by using XMLUnit?

    I have two different XML documents below and please note that they are having the same basic structure (schema).

    Source XML

    <root>
    <name>String</name>
    <description>String</description>
    </root>

    Test XML

    <root>
    <name>Test</name>
    <description></description> <!-- it is an empty node -->
    </root>

    And I build this snippet function to compare those two XML documents.

    import org.custommonkey.xmlunit.Diff;
    import org.custommonkey.xmlunit.Difference;
    import org.custommonkey.xmlunit.IgnoreTextAndAttributeVal uesDifferenceListener;
    import org.custommonkey.xmlunit.XMLUnit;

    public static void main(String args[]) throws FileNotFoundException,
    SAXException, IOException, ParserConfigurationException, XPathExpressionException {

    String strSource = "<root><name>String</name><description>String</description></root>";
    String strTest = "<root><name>Test</name><description></description></root>";

    Document docSource = stringToXMLDocument(strSource);
    Document docTest = stringToXMLDocument(strTest);

    boolean result = isMatched(docSource, docTest);
    if(result){
    System.out.println("Matched!");
    }else{
    System.out.println("Un-matched!");
    }
    }
    public static boolean isMatched(Document xmlSource, Document xmlCompareWith) {
    XMLUnit.setIgnoreWhitespace(true);
    XMLUnit.setIgnoreComments(true);
    XMLUnit.setIgnoreAttributeOrder(true);

    XMLUnit.setNormalizeWhitespace(true);
    XMLUnit.setIgnoreDiffBetweenTextAndCDATA(true);

    Diff myDiff = new Diff(xmlSource, xmlCompareWith);
    myDiff.overrideDifferenceListener(new IgnoreTextAndAttributeValuesDifferenceListener());
    return myDiff.similar();
    }

    public static Document stringToXMLDocument(String str) throws ParserConfigurationException, SAXException, IOException{
    DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
    docBuilderFactory.setNamespaceAware(true);

    DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
    Document document = docBuilder.parse(new InputSource(new StringReader(str)));

    return document;
    }


    And here is the Maven dependency

    <dependency>
    <groupId>xmlunit</groupId>
    <artifactId>xmlunit</artifactId>
    <version>1.6</version>
    </dependency>


    I am expecting those two XML documents are the same, but the function always returns false. Are there any ways that I can ignore the node text value when comparing two XML structures? As you can see, I already used IgnoreTextAndAttributeValuesDifferenceListener, but I still got the problem.

  2. #2
    Super Moderator Norm's Avatar
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    Default Re: How to compare two similar xml documents ignoring node text values by using XMLUnit?

    If you don't understand my answer, don't ignore it, ask a question.

  3. #3
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    Default Re: How to compare two similar xml documents ignoring node text values by using XMLUnit?

    Somehow my post is denied here, I have posted detailed reply at javaranch

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