[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: Parser Behaviour (Serious- isSolved?)
Hi all, I still wonder why Xerces developers didn't pitched in and tried to answer this question? If I have not mistaken, what Peter Murray's problem is, he doesn't want to change his "each" xml file to make references to local directory DTD files. When he is using it on laptop (offline), he wants to make reference to local directory DTD's and exact DTD URL when online. If you take snapshot of recent Xerces Java from apache website and generate javadoc. The package org.apache.xerces.readers has classes XCatalog and XMLCatalogHandler. They implement the Catalog specification available at URL http://www.ccil.org/~cowan/XML/XCatalog.html. The following line I have quoted from the URL "XML Catalogs are Web resources (anything from local files on up) which contain mappings from public identifiers to system identifiers (and optionally mappings from system identifiers to other system identifiers), plus references to other XML Catalogs." John Cawon had posted proposal draft 0.2 on xml-dev list sometime back (according to the description given in URL). See the URL for more info So, what we need to do is have different "catalog files" when using online and offline. Use these catalog files in your application. When you want to use offline, use catalog file which maps these external DTD references (to say w3c website) to your local DTD copy. If you want to use these exact external references use catalog file without these mappings. The problem will be solved. [I hope so :-)]. I was just about to send the mail, I got mail from Bruce. I guess this anwers ur query. XCatalog catalog = new XCatalog(); catalog.loadCatalog(new InputSource(new FileInputStream("d:\\xml\\catalog.xml"))); DOMParser parser = new DOMParser(); parser.setEntityResolver(catalog); // go ahead with your application specific calls. Njoy :-) FYI: XCatalog extends from XMLCatalogHandler. XMLCatalogHandler implements EntityResolver. I don't know how to handle with other parsers like XP? regards, Gopinath M.R. Software Engineer, Aztec software and technology services (P) Ltd ( www.aztec.soft.net ) Bangalore -560078 email : gopi@a... <mailto:gopi@a...> gopinathmr@b... <mailto:gopinathmr@b...> "XML data is not slow, the implementation is making it slow" -----Original Message----- From: owner-xml-dev@x... [mailto:owner-xml-dev@x...]On Behalf Of Bruce.Durling@e... Sent: Tuesday, April 04, 2000 12:59 PM To: xml-dev@x... Subject: using catalog files (Was Re:Parser Behaviour (Serious)) I've heard a number of people mention using catalog files. I've thought about this myself and it seems to be a solution. Can anyone give an example of how to use them with current parsers such as Xerces? I've been looking through the docs and it hasn't been exactly clear. I'm sorry if this is the wrong place to ask and please feel free to direct me (and others?) to the appropriate TFM which I will gladly R. cheers, bld an xml confusbie *************************************************************************** This is xml-dev, the mailing list for XML developers. To unsubscribe, mailto:majordomo@x...&BODY=unsubscribe%20xml-dev List archives are available at http://xml.org/archives/xml-dev/ *************************************************************************** *************************************************************************** This is xml-dev, the mailing list for XML developers. To unsubscribe, mailto:majordomo@x...&BODY=unsubscribe%20xml-dev List archives are available at http://xml.org/archives/xml-dev/ ***************************************************************************
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