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[Bug] Inline DTD's and XML4J ?
- From: "Carl Schei" <carl@c...>
- To: <xml-dev@i...>
- Date: Sun, 6 Jun 1999 13:22:50 -0500
 |
Hi There,
This is my first posting to XML-Dev. Great mailing
list. I have been using the IBM XML4J Parser (v2.0.9) class for just a short
while. The client has requested that we inline the DTD's instead of making them
external.
I resorted to the following sample
code,
Parser p
= new Parser(getDefaultDTDPath(), this,
null);
DTD aDTD = null
;
try
{
BufferedReader b = new BufferedReader(new FileReader("SampleDTD.dtd"))
;
aDTD =
p.readDTDStream(b)
;
b.close() ;
} catch (IOException
ex) { }
aDTD.setName("CustomerDataResponse")
;
StringWriter aWriter = new
StringWriter();
try
{
aDTD.print(aWriter) ;
} catch
(IOException ex) {}
System.out.println(aWriter.toString()) ;
Used on the following XML file (with inline
DTD),
<?xml version="1.0"
encoding="UTF-8"?>
<!DOCTYPE CustomerDataResponse [
<!ELEMENT
CustomerDataResponse (pass|fail)>
<!ATTLIST CustomerDataResponse
accountNumber CDATA #REQUIRED>
<!ELEMENT pass
(question*)>
<!ELEMENT question (#PCDATA)>
<!ATTLIST question
questionId ID
#REQUIRED
answers CDATA #IMPLIED>
<!ELEMENT fail (reason)>
<!ELEMENT
reason (#PCDATA)>
]>
Produces the results,
<!DOCTYPE CustomerDataResponse
[
<!ATTLIST CustomerDataResponse accountNumber CDATA
#REQUIRED>
<!ELEMENT pass (question*)>
<!ELEMENT question
(#PCDATA)>
<!ATTLIST question questionId ID
#REQUIRED
answers CDATA #IMPLIED>
<!ELEMENT fail (reason)>
<!ELEMENT
reason (#PCDATA)>
]>
Note that there is no line,
<!ELEMENT CustomerDataResponse
(pass|fail)>
Which totally invalidates the DTD.
Now the interesting thing is that if I duplicate
this line in the original DTD, i.e.,
<?xml version="1.0"
encoding="UTF-8"?>
<!DOCTYPE CustomerDataResponse [
<!ELEMENT
CustomerDataResponse (pass|fail)>
<!ELEMENT CustomerDataResponse
(pass|fail)>
<!ATTLIST CustomerDataResponse accountNumber CDATA
#REQUIRED>
<!ELEMENT pass (question*)>
<!ELEMENT question
(#PCDATA)>
<!ATTLIST question questionId ID
#REQUIRED
answers CDATA #IMPLIED>
<!ELEMENT fail (reason)>
<!ELEMENT
reason (#PCDATA)>
]>
It produces the desired results!! Anyone found similiar results? I can't think of anything that
I'm doing wrong.
Thanks,
Carl Schei
Catapult Technology, Inc.
(630)
515-3670 phone
http://www.catapultt.com/
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