[jira] [Created] (AXIOM-430) Inconsistent serialization of SOAPEnvelope

["Andreas Veithen (JIRA)" <ji...@apache.org>]

Andreas Veithen created AXIOM-430:
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             Summary: Inconsistent serialization of SOAPEnvelope
                 Key: AXIOM-430
                 URL: https://issues.apache.org/jira/browse/AXIOM-430
             Project: Axiom
          Issue Type: Bug
          Components: DOOM, LLOM
    Affects Versions: 1.2.13
            Reporter: Andreas Veithen
            Priority: Minor


The SOAPEnvelopeImpl#internalSerialize method contains code that skips the serialization of the SOAP header if it is empty. Presumably this code is there because SOAPFactory#getDefaultEnvelope() always creates a SOAP header, but one doesn't want that header to appear in the output if there are no header blocks. However, this only works when the SOAPEnvelope is serialized to an XMLStreamWriter, OutputStream or Writer. The header is still present in the sequence of events produced by getXMLStreamReader or getSAXSource. This can be shown using the following piece of code:

        SOAPFactory factory = OMAbstractFactory.getSOAP11Factory();
        SOAPEnvelope envelope = factory.getDefaultEnvelope();
        factory.createOMElement(new QName("urn:test", "test", "p"), envelope.getBody());
        envelope.serialize(System.out);
        System.out.println();
        TransformerFactory.newInstance().newTransformer().transform(envelope.getSAXSource(true), new StreamResult(System.out));

The output is: 

<?xml version='1.0' encoding='utf-8'?><soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"><soapenv:Body><p:test xmlns:p="urn:test"/></soapenv:Body></soapenv:Envelope>
<?xml version="1.0" encoding="UTF-8"?><soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"><soapenv:Header/><soapenv:Body><p:test xmlns:p="urn:test"/></soapenv:Body></soapenv:Envelope>

In addition to that, SOAPEnvelopeImpl#internalSerialize also skips serialization of whitespace and comments.

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