Java SGML to XML conversion?

Question

Does anyone know of a method, or library, to convert SGML into XML?

EDIT: For clarification, I have to do the conversion in Java, and I cannot use the SP parser or the related SX tool.

SGML is a superset of XML; what would you want the semantics of the conversion to be? Is there some specified transform you want? — Calum, Oct 01 '09 at 14:31
I know it is a superset of XML. The semantics of the conversion I would like to perform are that the resultant XML is well formed - it doesn't necessarily have to validate against a schema. — Stuart Grassie, Oct 01 '09 at 14:47

score 4 · Accepted Answer · answered Oct 05 '09 at 12:29

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It seems that the general consensus is that there are no existing libraries for doing SGML work in Java. Certainly after several days of fruitlessly searching Google, and asking this question here, I have found no resources on this subject.

answered Oct 05 '09 at 12:29

Stuart Grassie

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score 0 · Answer 2 · answered Oct 01 '09 at 14:45

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The answer is not always that simple, as it depends on the sgml DTD. I haven't actually found a general SGML parser in Java at all, but this article uses SP which includes a converter.

answered Oct 01 '09 at 14:45

Kathy Van Stone

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If only I could use SX to do the conversion, I would be a happy man. I'm restricted to having to use Java to do the conversion. – Stuart Grassie Oct 01 '09 at 14:59
Why? Can you call SX from Java instead? – Kathy Van Stone Oct 01 '09 at 17:15

score 0 · Answer 3 · answered Oct 01 '09 at 14:58

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See http://jclark.com/sp/sx.htm for the SX converter from SGML to XML in the SP package.

answered Oct 01 '09 at 14:58

Thorbjørn Ravn Andersen

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score 0 · Answer 4 · answered Feb 01 '11 at 20:46

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There is the mlParser, but I'm having a hard time trying to locate it: http://www.balisage.net/Proceedings/vol1/html/Smith01/BalisageVol1-Smith01.html

answered Feb 01 '11 at 20:46

user183037

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score 0 · Answer 5 · answered Feb 15 '12 at 16:11

There is no api for parsing SGML using Java at this time. There also isn't any api or library for converting SGML to XML and then parsing it using Java. With the status of SGML being supplanted by XML for all the projects I've worked on until now, I don't think there will every be any work done in this area, but that is only a guess.

Here is some open source code code from a University that does it, however I haven't tried it and you would have to search to find the other dependent classes. I believe the only viable solution in Java would require Regular Expressions.

Also, here is a link for public SGML/XML software.

Java SGML to XML conversion?

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