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Re: [emf-dev] Is there a way to use a string as raw XML?

Hi Dan,

this is the developer list which is not watched by many in the community.
To get an answer you should repost you question at 


Best Regards,
Sven

On 21 Jan 2014, at 22:12, Dan Kaplan <dank@xxxxxxxxxxxxx> wrote:

Forgive me because I know very little about EMF.  I'm using a library named MDHT and am having an issue with it.  This library has a class named org.openhealthtools.mdht.uml.cda.StrucDocText.  That interface extends org.eclipse.emf.ecore.EObject.  The StrucDocText has an addText method on it that takes a String.  

My issue is that when org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl#saveElementFeatureMap is called, it escapes the text I'm adding in addText.  Instead of escaping this String, I'd like it to save this String (but not others) as-is.  When I look at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl#saveElementFeatureMap I don't see a path I can go down that gives me this option:

There's a switch for if (entryFeature == XMLTypePackage.Literals.XML_TYPE_DOCUMENT_ROOT__TEXT).  This looks like the right fit, but that escapes if an org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.Escape is provided.  Is there an entryFeature I can give this to mean, "just use this String value without modification"?

MDHT already lets me do this but in an unacceptably inefficient way. Here's how it works:

Resource.Factory factory = new GenericXMLResourceFactoryImpl();
XMLResource resource = (XMLResource) factory.createResource(null);
resource.load(new URIConverter.ReadableInputStream("<text>" + xmlString + "</text>"), null);
XMLTypeDocumentRoot root = (XMLTypeDocumentRoot) resource.getContents().get(0);
AnyType value = (AnyType) root.getMixed().getValue(0);
text = CDAFactory.eINSTANCE.createStrucDocText();
text.getMixed().addAll(value.getMixed());


But I've already constructed this xmlString value as XML before I called addText.  There is a serious performance hit to calling resource.load and text.getMixed().addAll.  I need to avoid both if possible.  

--
Thanks,
Dan

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