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

30 May 2002

XML Apache ToolsParsing 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: http://xml.apache.org/dist/xerces-j/– 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.Counter01 > java –cp xmlParserAPIs.jar;xercesImpl.jar;xercesSamples.jar

sax.Counter data/personal.xml02 data/personal.xml: 21 ms (38 elems, 20 attrs, 145 spaces, 128 chars)


sax.DocumentTracer01 > java –cp xmlParserAPIs.jar;xercesImpl.jar;xercesSamples.ja

rsax.DocumentTracer data/personal.xml

02 setDocumentLocator(locator= {cut})03 startDocument()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 …


sax.Writer01 > java –cp xmlParserAPIs.jar;xercesImpl.jar;xercesSamples.jar

sax.Writer data/personal.xml02 <?xml version="1.0" encoding="UTF-8"?>03 <personnel>0405 <person contr="false" id="Big.Boss">06 <name><family>Boss</family> <given>Big</given></name>07 <email>[email protected]</email>08 <link subordinates="one.worker two.worker three.worker

four.worker five.worker"></link>09 <friend idref="f1"></friend>10 </person>…

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: http://xml.apache.org/dist/xalan-j/– 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.Process01 > 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

02 <html>03 <head>04 <META http-equiv="Content-Type" content="text/html; charset=UTF-8">05 <script src="resources/script.js" type="text/javascript“

language="JavaScript"></script>06 <title>Xalan-Java version 2.3.0</title>…

Useful Links

Apache XML Project– http://xml.apache.org/

Xerces-J– http://xml.apache.org/xerces2-j/

Xalan-J– http://xml.apache.org/xalan-j/

XML Apache ToolsParsing and Transformation

Andy Clark

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

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