legolas wood <[EMAIL PROTECTED]> wrote on 12/20/2006 09:37:54 AM:
> Thank you for reading my post.
> I have some question about parsing XML,
>
> -does XSD and DTD has the same role?
They're different schema languages. Wikipedia [1] has a fairly good
comparison of the two.
> -I know that if i want to pars a document like :
> [CODE]
> <Student-Names>
> <name>ABC</name>
> <name>BBC</name>
> <name>CBC</name>
> <name>ACB</name>
> </Student-Names>
> [/CODE]
>
> I should have a code like:
> [CODE]
> Element docEle = dom.getDocumentElement();
> NodeList nl = docEle.getElementsByTagName("name");
> [/CODE]
> But when my XML document is more sophisticated like :
> [CODE]
>
> <Student-Names>
> <name>ABC</name>
> <name>BBC</name>
> <name>CBC</name>
> <name>ACB</name>
> </Student-Names>
>
> <Teacher-Names>
> <name>ABC</name>
> <name>BBC</name>
> <name>CBC</name>
> <name>ACB</name>
> </Teacher-Names>
> .....
>
> [/CODE]
>
> what should i do?
> Should i start reading the document elements one by one and test them to
> see whether it is student/teacher/worker.... or there is some easier way
> like case one that i can use to retrieve all
students/teachers/workers..?
You may find it easier to select the content you want using XPath (which
is supported [2] by Xalan).
> Thanks.
>
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[1] http://en.wikipedia.org/wiki/XML_Schema_Language_Comparison
[2] http://xml.apache.org/xalan-j/xpath_apis.html
Michael Glavassevich
XML Parser Development
IBM Toronto Lab
E-mail: [EMAIL PROTECTED]
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