Ate Douma created SCXML-276:
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Summary: Simplify and generalize reading and writing SCXML content
and data element body values
Key: SCXML-276
URL: https://issues.apache.org/jira/browse/SCXML-276
Project: Commons SCXML
Issue Type: Improvement
Reporter: Ate Douma
Assignee: Ate Douma
Fix For: 2.0
The SCXML specification allows for various ways to define and provide content
and data element 'values', either embedded as XML element children or as an
external resource.
Such a body value can be parsed as:
* Java object(s) mapped from (detected) json string
* XML Node (single child element)
* XML List<Node> (multiple children)
* plain text (no child elements)
For the <invoke><content> element Commons SCXML *only* supports the (most
common) embedding of another SCXML document.
And as the SCXMLReader uses StaX, not XML DOM for parsing, such an embedded
SCXML document (currently) needs to parsed as XML text.
Therefore a 5th value type will be used:
* XML text (single XML Node serialized to text)
When writing a SCXML document back to XML, the parsed values may need to be
converted back to text (Json string) or XML Node (XML text) first.
When writing the json string or plain text, if one or more of the original
(read) XML element children was encoded in a CDATA section, the (coalesced)
text will be encoded in a (single) CDATA section.
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