Hello Dies, When you set the schemaLanguage property to http://www.w3.org/2001/XMLSchema only schema validation is performed. If you want to configure Xerces so that it performs DTD validation if the document has a DTD and/or schema validation if a schema grammar is specified, try setting the validation [1], schema validation [2] and dynamic validation [3] features to true.
[1] http://xml.apache.org/xerces2-j/features.html#validation [2] http://xml.apache.org/xerces2-j/features.html#validation.schema [3] http://xml.apache.org/xerces2-j/features.html#validation.dynamic Dies Koper <[EMAIL PROTECTED]> wrote on 08/03/2005 09:26:38 PM: > Hello all, > > I am trying to parse xml files, that are either DTD or schema based. > I expected the parser to automatically determine whether the files are > DTD or schema based when it parses them and validate them accordingly, > but I can't get it to work. > > It validates my DTD based file fine, I then need to set the > "http://java.sun.com/xml/jaxp/properties/schemaLanguage"; attribute to > "http://www.w3.org/2001/XMLSchema"; to be able to read the schema based > file, that also works fine. But with this attribute set I cannot read > the DTD based file anymore, it gives the following error: > > org.xml.sax.SAXParseException: cvc-elt.1: Cannot find the declaration of > element 'ejb-jar'. > > I set up the parser as follows: > > DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); > factory.setValidating( true ); > factory.setNamespaceAware(true); > String JAXP_SCHEMA_LANGUAGE = > "http://java.sun.com/xml/jaxp/properties/schemaLanguage";; > String W3C_XML_SCHEMA = "http://www.w3.org/2001/XMLSchema";; > factory.setAttribute(JAXP_SCHEMA_LANGUAGE, W3C_XML_SCHEMA); > DocumentBuilder builder = factory.newDocumentBuilder(); > > (xercesImpl.jar 2.7.1 and xml-apis.jar are in JDK14\JRE\lib\ext) > > The xml files look like: > [DTD based] > <?xml version="1.0" encoding="UTF-8"?> > <!DOCTYPE ejb-jar PUBLIC "-//Sun Microsystems, Inc.//DTD Enterprise > JavaBeans 2.0//EN" "http://java.sun.com/dtd/ejb-jar_2_0.dtd";> > <ejb-jar> > ... > > [schema based] > <?xml version="1.0" encoding="UTF-8"?> > <ejb-jar version="2.1" xmlns="http://java.sun.com/xml/ns/j2ee"; > xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; > xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee > http://java.sun.com/xml/ns/j2ee/ejb-jar_2_1.xsd";> > ... > > The culprit seems to be the setting of the attribute: with it schema > based files work and DTD based files not, without it the other way around. > How should I change my code to be able to parse and validate both? > > Thanks, > Dies > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > Michael Glavassevich XML Parser Development IBM Toronto Lab E-mail: [EMAIL PROTECTED] E-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
