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From "Ilene Seelemann (JIRA)" <xalan-...@xml.apache.org>
Subject [jira] Commented: (XALANJ-2033) SerializationHandler interface should inlude DTDHandler
Date Sun, 20 Feb 2005 19:58:49 GMT
     [ http://issues.apache.org/jira/browse/XALANJ-2033?page=comments#action_59462 ]
     
Ilene Seelemann commented on XALANJ-2033:
-----------------------------------------

I've reviewed the patch and it looks good except for one small error in the javadoc.  The
default value for the new field, ToStream.m_expandDTDEntities is actually true, but the javadoc
for ToStream.setDTDEntityExpansion says the default value is false.

> SerializationHandler interface should inlude DTDHandler
> -------------------------------------------------------
>
>          Key: XALANJ-2033
>          URL: http://issues.apache.org/jira/browse/XALANJ-2033
>      Project: XalanJ2
>         Type: New Feature
>   Components: Serialization
>     Reporter: Brian Minchau
>     Assignee: Brian Minchau
>      Fix For: CurrentCVS
>  Attachments: serializer.patch4.DTD.txt, serializer.patch5.DTD.txt
>
> (Note that SerializationHandler is public in the Java sense, but is not a public API,
so this issue is marking some internal development work that should be done).
> The SerializationHandler interface, which is implemented by Xalan's serializers is a
kitchen-sink of other interfaces. It includes these public APIs:
>     org.xml.sax.ContentHandler
>     org.xml.sax.ErrorHandler
>     org.xml.sax.ext.LexicalHandler
>     org.xml.sax.ext.DeclHandler
> It appears that this interface:
>     org.xml.sax.DTDHandler
> which has these two methods:
>     void notationDecl(String name, String publicId, String systemId);
>     void unparsedEntityDecl(String name, String publicId, 
>           String systemId, String notationName);
> should be added.
> DeclHandler, that is already included in SerializationHandler has this method:
>     void elementDecl(String name, String model);
> When an XML document like this one (from Xalan's expression02.xml testcase) is parsed,
and serialized:
> when parsing the XML input to the transformation:
> <?xml version="1.0"?>
> <!DOCTYPE doc [
>   <!NOTATION gif SYSTEM "../www.foo.com" >
>   <!ENTITY hatch-pic SYSTEM "../grafix/OpenHatch.gif" NDATA gif >
>   <!ELEMENT doc (#PCDATA)>
> ]>
> the serializer handles the !ELEMENT just fine, and creates the surrounding !DOCTYPE,
bucause the !ELEMENT is handled via the DeclHandler interface.  However, there is no way to
similarly serialize the !NOTATION or !ENTITY because these are handled via the DTDHandler
interface.

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