Dave, What I had said only applies when the undeclared entity is not violating [1] a well-formedness constraint [2]. Otherwise you'll get a fatal error.
Thanks. [1] http://www.w3.org/TR/2006/REC-xml-20060816/#vc-entdeclared [2] http://www.w3.org/TR/2006/REC-xml-20060816/#wf-entdeclared Michael Glavassevich XML Parser Development IBM Toronto Lab E-mail: mrgla...@ca.ibm.com E-mail: mrgla...@apache.org Dave Brosius <dbros...@baybroadband.net> wrote on 11/09/2009 01:13:42 AM: > Your assumptions are correct. the nbsp is not in the dtd. I get > > javax.xml.transform.TransformerException: org.xml.sax.SAXParseException: > The entity "nbsp" was referenced, but not declared. at > org.apache.xalan.transformer.TransformerIdentityImpl.transform > (TransformerIdentityImpl.java:502) > > I am using xerces 2.9.1 and xalan 2.7.1 > > When i do > > XMLReader r = XMLReaderFactory.createXMLReader(); > URL u = > r.getClass().getClassLoader().getResource(r.getClass().getName().replace ('.', > '/') + ".class"); > System.out.println(u);namespace aware or > > i get > > > jar:file:/home/dave/dev/tomailer/war/WEB-INF/lib/xercesImpl.jar!/ > org/apache/xerces/parsers/SAXParser.class > > which is the jar i'm expecting to get the parser from. > > the is in PCDATA. > > Do i need to specify that the parser is validating in order to get this > to work, perhaps? > > thanks again. > dave > > > > Michael Glavassevich wrote: > > > > "dbros...@mebigfatguy.com" <dbros...@mebigfatguy.com> wrote on > > 11/08/2009 08:21:21 PM: > > > > > Thanks for the response. If i understand you correctly, i should do > > this: > > > > > > XMLReader r = XMLReaderFactory.createXMLReader(); > > > MyXMLFilter filter = new MyXMLFilter(); > > > filter.setParent(r); > > > > > > DocumentBuilderFactory dbf = > > > DocumentBuilderFactory.newInstance(); > > > DocumentBuilder db = dbf.newDocumentBuilder(); > > > Document d = db.newDocument(); > > > > > > TransformerFactory tf = TransformerFactory.newInstance(); > > > Transformer t = tf.newTransformer(); > > > > > > t.transform(new SAXSource(filter, new > > InputSource(srcHtml)), > > > new DOMResult(d)); > > > > Looks about right. > > > > > and i should expect the > > > > > > skippedEntity(String entity) > > > > > > method of my filter to get called when a is found. > > > > > > However this method is never called for me. Am I missing something? > > > > Is "nbsp" declared in your DTD? You said your goal was to "resolve > > unknown entities" so I'm assuming it's not declared. > > > > Is this entity reference part of an attribute value? If it is you're > > out of luck with SAX. skippedEntity() as well as the entity methods on > > LexicalHandler are never called for attributes. > > > > Also can you double check that you're actually using a recent release > > of Xerces-J and not its JDK fork or NekoHTML or something else. > > > > > Michael Glavassevich wrote: > > > > > > > > Hi, > > > > > > > > You're making assumptions about the implementation which aren't > > > > required and certainly aren't true for Xerces. There is no underlying > > > > SAX parser. The DOM is built from XNI events. You cannot plug SAX > > > > handlers into it. > > > > > > > > If you want to build a SAX filter for replacing skipped entities [1] > > > > and then build a DOM from that, you could try using the Transformer > > > > API instead (i.e. > > javax.xml.transform.Transformer.transform(SAXSource, > > > > DOMResult)) where the SAXSource contains your XMLFilter [2] which > > does > > > > this resolution. > > > > > > > > Thanks. > > > > > > > > [1] > > > > http://xerces.apache.org/xerces2-j/javadocs/api/org/xml/sax/ > > > ContentHandler.html#skippedEntity(java.lang.String) > > > > <http://xerces.apache.org/xerces2-j/javadocs/api/org/xml/sax/ > > > ContentHandler.html#skippedEntity%28java.lang.String%29> > > > > [2] > > > > > > http://xerces.apache.org/xerces2-j/javadocs/api/org/xml/sax/XMLFilter.html > > > > > > > > Michael Glavassevich > > > > XML Parser Development > > > > IBM Toronto Lab > > > > E-mail: mrgla...@ca.ibm.com > > > > E-mail: mrgla...@apache.org > > > > > > > > "dbros...@mebigfatguy.com" <dbros...@mebigfatguy.com> wrote on > > > > 11/08/2009 12:52:53 PM: > > > > > > > > > I want to be able to resolve unknown entities while using > > > > > DocumentBuilder.parse. I see sax has a LexicalHandler for this > > purpose, > > > > > and i'd assume that there's some way to tell DOM to pass a > > handler into > > > > > the underlying sax parser that builds the dom, but i haven't > > found it. > > > > > Could someone point me in the right direction? > > > > > > > > > > thanks. > > > > > > > > > > > > --------------------------------------------------------------------- > > > > > To unsubscribe, e-mail: j-users-unsubscr...@xerces.apache.org > > > > > For additional commands, e-mail: j-users-h...@xerces.apache.org > > > > > > > > > > --------------------------------------------------------------------- > > > To unsubscribe, e-mail: j-users-unsubscr...@xerces.apache.org > > > For additional commands, e-mail: j-users-h...@xerces.apache.org > > > > Thanks. > > > > Michael Glavassevich > > XML Parser Development > > IBM Toronto Lab > > E-mail: mrgla...@ca.ibm.com > > E-mail: mrgla...@apache.org > > --------------------------------------------------------------------- > To unsubscribe, e-mail: j-users-unsubscr...@xerces.apache.org > For additional commands, e-mail: j-users-h...@xerces.apache.org
