30 May 2002 XML Apache Tools Parsing and Transformation Andy Clark.

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Presentation transcript:

30 May 2002 XML Apache Tools Parsing and Transformation Andy Clark

Apache XML Parsers Xerces – Versions available in Java, C++, and Perl* Xerces-J – Supports various programming APIs JAXP, DOM, SAX, XNI – Support standards XML+DTD, Namespaces, XML Schema, etc… * The Perl version is a wrapper on the C++ version.

Xerces-J Download – Location: – Packages: binary, source, and tools NOTE: Users only need binary distribution Contents – Jar files xmlParserAPIs.jar, xercesImpl.jar, xercesSamples.jar – Documentation – Samples

Xerces-J Samples DOM samples – dom.Counter – dom.Writer – …etc… SAX samples – sax.Counter – sax.DocumentTracer – sax.Writer XNI samples – xni.Counter – xni.DocumentTracer – xni.Writer – …etc…

Xerces-J SAX Example #1 sax.Counter 01> java–cp xmlParserAPIs.jar;xercesImpl.jar;xercesSamples.jar sax.Counter data/personal.xml 02data/personal.xml: 21 ms (38 elems, 20 attrs, 145 spaces, 128 chars)

Xerces-J SAX Example #2 sax.DocumentTracer 01> java–cp xmlParserAPIs.jar;xercesImpl.jar;xercesSamples.jar sax.DocumentTracer data/personal.xml 02setDocumentLocator(locator= {cut}) 03startDocument() 04 startDTD( name="personnel", publicId=null, systemId="personal.dtd" ) 05 startEntity(name="[dtd]") 06 elementDecl(name="personnel", contentModel="(person)+") … 23 endDTD() 24 startElement( uri="", localName="personnel", qname="personnel", attributes={} ) 25 ignorableWhitespace(text="\n\n ") 26 …

Xerces-J SAX Example #3 sax.Writer 01> java–cp xmlParserAPIs.jar;xercesImpl.jar;xercesSamples.jar sax.Writer data/personal.xml Boss Big <link subordinates="one.worker two.worker three.worker four.worker five.worker"> …

Apache XSLT Transformers Xalan – Versions available in Java and C++ Xalan-J – Supports standard programming APIs TrAX – Support standards XSLT, XPath

Xalan-J Download – Location: – Packages: binary and source NOTE: Users only need binary distribution Contents – Jar files NOTE: Bundles Xerces-J jar files – Documentation – Samples

Xalan-J Example org.apache.xalan.xslt.Process 01> java–cp bin/xml-apis.jar;bin/xalan.jar;bin/xercesImpl.jar org.apache.xalan.xslt.Process –IN xdocs/sources/xalan/index.xml –XSL xdocs/style/stylesheets/document2html.xsl <script src="resources/script.js" type="text/javascript“ language="JavaScript"> 06 Xalan-Java version …

Useful Links Apache XML Project – Xerces-J – Xalan-J –

XML Apache Tools Parsing and Transformation Andy Clark