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Subject: Re: DOCBOOK-APPS: Sun Resolver Question
Eric Richardson wrote: > Hi, > > I'm trying to get Ant to use the catalog code so I'm trying to pass a > -D<resolver property-unknown>=com.sun.resolver.tools.CatalogResolver to > ant. I traced the ant code and it passes the -D into the system > properties so it should work if Xerces2 will use it internally. > > Is there a property I can set that will get the SAXReader to use the > CatalogResolver in Xerces2? > > The Sun resolver has the wrapper for xp and xt for the parser. I see > there is a org.xml.sax.driver property, so is there a > org.xml.sax.resolver property or a driver or something for xerces? I dug into this pretty extensively but still don't understand it all. It seems that there are three -D<name>=<value> that java understands. The names are as follows. javax.xml.parsers.SAXParserFactory javax.xml.parsers.DocumentBuilderFactory org.xml.sax.parser Passing one of these with the value of an appropriate class file should force JAXP in the first two to use the passed in class file. Likewise for the SAX parser. I have not tried this out yet. I looked at the source code for ant and they do the following. First they do a class.forName on the javax.xml.parsers.SAXParserFactory which forces a SAXParserFactory class into memory if it is found. Later they do SAXParserFactory.newInstance(). Later they use their own version of an entity resolver so I don't think any attempts to use the resolver will work with at least ant 1.4.1. I wanted internal subsets to use Norm's entity resolver so shared properties and targets in ant could be held in one location for the ease of maintainability. I still would like to know which class of the resolver would be appropriate for the SAXParserFactory or if the new resolver code has to be used at a lower level as used in Xalan. This question is for the xerces2 parser as the documentation shows hoe for xp and xt. Any help appreciated, Eric
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