使用saxonhe9-2-0-2j解析XSLT 2.0

函数说明： Index of functions;  http://www.w3.org/TR/xpath-functions/#func-starts-with

 

 

下面是官网的样例代码：

 

import net.sf.saxon.s9api.*; import org.w3c.dom.Document; import org.xml.sax.*; import org.xml.sax.helpers.XMLFilterImpl; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import javax.xml.transform.sax.SAXSource; import javax.xml.transform.stream.StreamSource; import javax.xml.transform.ErrorListener; import javax.xml.transform.TransformerException; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import java.io.*; /** * Some examples to show how the Saxon XQuery API should be used */ public class S9APIExamples { /** * Class is not instantiated, so give it a private constructor */ private S9APIExamples() { } /** * Method main * @param argv arguments supplied from the command line. If an argument is supplied, it should be the * name of a test, or "all" to run all tests, or "nonschema" to run all the tests that are not schema-aware. */ public static void main(String[] argv) { List tests = new ArrayList(); tests.add(new S9APIExamples.QueryA()); tests.add(new S9APIExamples.QueryB()); tests.add(new S9APIExamples.QueryC()); tests.add(new S9APIExamples.QueryD()); tests.add(new S9APIExamples.QueryE()); tests.add(new S9APIExamples.TransformA()); tests.add(new S9APIExamples.TransformB()); tests.add(new S9APIExamples.TransformC()); tests.add(new S9APIExamples.TransformD()); tests.add(new S9APIExamples.SchemaA()); tests.add(new S9APIExamples.XPathA()); // tests.add(new S9APIExamples.TestJ()); // tests.add(new S9APIExamples.TestK()); String test = "all"; if (argv.length > 0) { test = argv[0]; } boolean found = false; Iterator allTests = tests.iterator(); while (allTests.hasNext()) { S9APIExamples.Test next = (S9APIExamples.Test)allTests.next(); if (test.equals("all") || (test.equals("nonschema") && !next.isSchemaAware()) || next.name().equals(test)) { found = true; try { System.out.println("/n==== " + next.name() + "====/n"); next.run(); } catch (SaxonApiException ex) { handleException(ex); } } } if (!found) { System.err.println("Please supply a valid test name, or 'all' or 'nonschema' (" + test + "' is invalid)"); } } private interface Test { public String name(); public boolean isSchemaAware(); public void run() throws SaxonApiException; } // PART 1: XQuery tests /** * Compile and execute a simple query taking no input, * producing a document as its result and serializing this directly to System.out */ private static class QueryA implements S9APIExamples.Test { public String name() { return "QueryA"; } public boolean isSchemaAware() { return false; } public void run() throws SaxonApiException { Processor proc = new Processor(false); XQueryCompiler comp = proc.newXQueryCompiler(); XQueryExecutable exp = comp.compile("<a b='c'>{5+2}</a>"); Serializer out = new Serializer(); out.setOutputProperty(Serializer.Property.METHOD, "xml"); out.setOutputProperty(Serializer.Property.INDENT, "yes"); out.setOutputProperty(Serializer.Property.OMIT_XML_DECLARATION, "yes"); out.setOutputStream(System.out); exp.load().run(out); } } /** * Show a query compiled using a reusable XQExpression object, taking a parameter * (external variable), and returning a sequence of integers */ private static class QueryB implements S9APIExamples.Test { public String name() { return "QueryB"; } public boolean isSchemaAware() { return false; } public void run() throws SaxonApiException { Processor proc = new Processor(false); XQueryCompiler comp = proc.newXQueryCompiler(); XQueryExecutable exp = comp.compile( "declare variable $n external; for $i in 1 to $n return $i*$i"); XQueryEvaluator qe = exp.load(); qe.setExternalVariable(new QName("n"), new XdmAtomicValue(10)); XdmValue result = qe.evaluate(); int total = 0; for (XdmItem item: result) { total += ((XdmAtomicValue)item).getLongValue(); } System.out.println("Total: " + total); } } /** * Show a query taking input from the context item, reusing the compiled Expression object * to run more than one query in succession. */ private static class QueryC implements S9APIExamples.Test { public String name() { return "QueryC"; } public boolean isSchemaAware() { return false; } public void run() throws SaxonApiException { Processor proc = new Processor(false); XQueryCompiler comp = proc.newXQueryCompiler(); XQueryExecutable exp = comp.compile("contains(., 'e')"); XQueryEvaluator qe = exp.load(); qe.setContextItem(new XdmAtomicValue("apple")); XdmValue result = qe.evaluate(); System.out.println("apple: " + ((XdmAtomicValue)result).getBooleanValue()); qe = exp.load(); qe.setContextItem(new XdmAtomicValue("banana")); result = qe.evaluate(); System.out.println("banana: " + ((XdmAtomicValue)result).getBooleanValue()); qe = exp.load(); qe.setContextItem(new XdmAtomicValue("cherry")); result = qe.evaluate(); System.out.println("cherry: " + ((XdmAtomicValue)result).getBooleanValue()); } } /** * Show a query producing a DOM document as its output, and passing the DOM as input to a second query. * Also demonstrates declaring a namespace for use in the query */ private static class QueryD implements S9APIExamples.Test { public String name() { return "QueryD"; } public boolean isSchemaAware() { return false; } public void run() throws SaxonApiException { Processor proc = new Processor(false); XQueryCompiler comp = proc.newXQueryCompiler(); comp.declareNamespace("xsd", "http://www.w3.org/2001/XMLSchema"); XQueryExecutable exp = comp.compile("<temp>{for $i in 1 to 20 return <e>{$i}</e>}</temp>"); DocumentBuilderFactory dfactory = DocumentBuilderFactory.newInstance(); dfactory.setNamespaceAware(true); Document dom; try { dom = dfactory.newDocumentBuilder().newDocument(); } catch (ParserConfigurationException e) { throw new SaxonApiException(e); } exp.load().run(new DOMDestination(dom)); XdmNode temp = proc.newDocumentBuilder().wrap(dom); exp = comp.compile("<out>{//e[xsd:integer(.) gt 10]}</out>"); XQueryEvaluator qe = exp.load(); qe.setContextItem(temp); Serializer out = new Serializer(); out.setOutputStream(System.out); qe.run(out); } } /** * Show a query taking a SAX event stream as its input and producing a SAX event stream as * its output. */ private static class QueryE implements S9APIExamples.Test { public String name() { return "QueryE"; } public boolean isSchemaAware() { return false; } public void run() throws SaxonApiException { Processor proc = new Processor(false); XQueryCompiler comp = proc.newXQueryCompiler(); comp.declareNamespace("xsd", "http://www.w3.org/2001/XMLSchema"); XQueryExecutable exp = comp.compile("<copy>{//ITEM[1]}</copy>"); XQueryEvaluator qe = exp.load(); File inputFile = new File("data/books.xml"); FileInputStream fis; try { fis = new FileInputStream(inputFile); } catch (FileNotFoundException e) { throw new SaxonApiException( "Input file not found. The current directory should be the Saxon samples directory"); } SAXSource source = new SAXSource(new InputSource(fis)); source.setSystemId(inputFile.toURI().toString()); qe.setSource(source); ContentHandler ch = new XMLFilterImpl() { public void startElement(String uri, String localName, String qName, Attributes atts) throws SAXException { System.err.println("Start element {" + uri + "}" + localName); } public void endElement(String uri, String localName, String qName) throws SAXException { System.err.println("End element {" + uri + "}" + localName); } }; qe.run(new SAXDestination(ch)); } } // PART 2: XSLT tests /** * Compile and execute a simple transformation that applies a stylesheet to an input file, * and serializing the result to an output file */ private static class TransformA implements S9APIExamples.Test { public String name() { return "TransformA"; } public boolean isSchemaAware() { return false; } public void run() throws SaxonApiException { Processor proc = new Processor(false); XsltCompiler comp = proc.newXsltCompiler(); XsltExecutable exp = comp.compile(new StreamSource(new File("styles/books.xsl"))); XdmNode source = proc.newDocumentBuilder().build(new StreamSource(new File("data/books.xml"))); Serializer out = new Serializer(); out.setOutputProperty(Serializer.Property.METHOD, "html"); out.setOutputProperty(Serializer.Property.INDENT, "yes"); out.setOutputFile(new File("books.html")); XsltTransformer trans = exp.load(); trans.setInitialContextNode(source); trans.setDestination(out); trans.transform(); System.err.println("Output written to books.html"); } } /** * Show a transformation that takes no input file, but accepts parameters */ private static class TransformB implements S9APIExamples.Test { public String name() { return "TransformB"; } public boolean isSchemaAware() { return false; } public void run() throws SaxonApiException { Processor proc = new Processor(false); XsltCompiler comp = proc.newXsltCompiler(); XsltExecutable exp = comp.compile(new StreamSource(new File("styles/tour.xsl"))); Serializer out = new Serializer(); out.setOutputProperty(Serializer.Property.METHOD, "html"); out.setOutputProperty(Serializer.Property.INDENT, "yes"); out.setOutputFile(new File("tour.html")); XsltTransformer trans = exp.load(); trans.setInitialTemplate(new QName("main")); trans.setDestination(out); trans.transform(); System.err.println("Output written to tour.html"); } } /** * Show a stylesheet being compiled once and then executed several times with different * source documents. The XsltTransformer object is serially reusable, but not thread-safe. */ private static class TransformC implements S9APIExamples.Test { public String name() { return "TransformC"; } public boolean isSchemaAware() { return false; } public void run() throws SaxonApiException { Processor proc = new Processor(false); XsltCompiler comp = proc.newXsltCompiler(); String stylesheet = "<xsl:transform version='2.0' xmlns:xsl='http://www.w3.org/1999/XSL/Transform'>" + " <xsl:param name='in'/>" + " <xsl:template name='main'><xsl:value-of select=/"contains($in, 'e')/"/></xsl:template>" + "</xsl:transform>"; XsltExecutable exp = comp.compile(new StreamSource(new StringReader(stylesheet))); Serializer out = new Serializer(); out.setOutputProperty(Serializer.Property.METHOD, "text"); XsltTransformer t = exp.load(); t.setInitialTemplate(new QName("main")); String[] fruit = {"apple", "banana", "cherry"}; QName paramName = new QName("in"); for (String s: fruit) { StringWriter sw = new StringWriter(); out.setOutputWriter(sw); t.setParameter(paramName, new XdmAtomicValue(s)); t.setDestination(out); t.transform(); System.err.println(s + ": " + sw.toString()); } } } /** * Show the output of one stylesheet being passed for processing to a second stylesheet */ private static class TransformD implements S9APIExamples.Test { public String name() { return "TransformD"; } public boolean isSchemaAware() { return false; } public void run() throws SaxonApiException { Processor proc = new Processor(false); XsltCompiler comp = proc.newXsltCompiler(); XsltExecutable templates1 = comp.compile(new StreamSource(new File("styles/books.xsl"))); XdmNode source = proc.newDocumentBuilder().build(new StreamSource(new File("data/books.xml"))); Serializer out = new Serializer(); out.setOutputProperty(Serializer.Property.METHOD, "html"); out.setOutputProperty(Serializer.Property.INDENT, "yes"); out.setOutputFile(new File("books.html")); XsltTransformer trans1 = templates1.load(); trans1.setInitialContextNode(source); String stylesheet2 = "<xsl:transform version='2.0' xmlns:xsl='http://www.w3.org/1999/XSL/Transform'>" + " <xsl:template match='/'><xsl:value-of select=/"count(//*)/"/></xsl:template>" + "</xsl:transform>"; XsltExecutable templates2 = comp.compile(new StreamSource(new StringReader(stylesheet2))); XsltTransformer trans2 = templates2.load(); XdmDestination resultTree = new XdmDestination(); trans2.setDestination(resultTree); trans1.setDestination(trans2); trans1.transform(); System.err.println(resultTree.getXdmNode()); } } /** * Show schema validation of an input document. */ private static class SchemaA implements S9APIExamples.Test { public String name() { return "SchemaA"; } public boolean isSchemaAware() { return true; } public void run() throws SaxonApiException { Processor proc = new Processor(true); SchemaManager sm = proc.getSchemaManager(); sm.load(new StreamSource(new File("data/books.xsd"))); try { SchemaValidator sv = sm.newSchemaValidator(); sv.validate(new StreamSource(new File("data/books.xml"))); System.err.println("First schema validation succeeded (as planned)"); } catch (SaxonApiException err) { System.err.println("First schema validation failed"); } // modify books.xml to make it invalid XsltCompiler comp = proc.newXsltCompiler(); String stylesheet = "<xsl:transform version='2.0' xmlns:xsl='http://www.w3.org/1999/XSL/Transform'>" + " <xsl:import href="identity.xsl" mce_href="identity.xsl"/>" + " <xsl:template match='TITLE'><OLD-TITLE/></xsl:template>" + "</xsl:transform>"; StreamSource ss = new StreamSource(new StringReader(stylesheet)); ss.setSystemId(new File("styles/books.xsl")); XsltTransformer trans = comp.compile(ss).load(); trans.setSource(new StreamSource(new File("data/books.xml"))); // Create a validator for the result of the transformation, and run the transformation // with this validator as its destination final List<Exception> errorList = new ArrayList<Exception>(); try { SchemaValidator sv = sm.newSchemaValidator(); // Create a custom ErrorListener for the validator, which collects validation // exceptions in a list for later reference ErrorListener listener = new ErrorListener() { public void error(TransformerException exception) throws TransformerException { errorList.add(exception); } public void fatalError(TransformerException exception) throws TransformerException { errorList.add(exception); throw exception; } public void warning(TransformerException exception) throws TransformerException { // no action } }; sv.setErrorListener(listener); trans.setDestination(sv); trans.transform(); System.err.println("Second schema validation succeeded"); } catch (SaxonApiException err) { System.err.println("Second schema validation failed (as intended)"); if (!errorList.isEmpty()) { System.err.println(errorList.get(0).getMessage()); } } } } /** * Demonstrate navigation of an input document using XPath and native methods. */ private static class XPathA implements S9APIExamples.Test { public String name() { return "XPathA"; } public boolean isSchemaAware() { return false; } public void run() throws SaxonApiException { Processor proc = new Processor(false); XPathCompiler xpath = proc.newXPathCompiler(); xpath.declareNamespace("saxon", "http://saxon.sf.net/"); // not actually used, just for demonstration DocumentBuilder builder = proc.newDocumentBuilder(); builder.setLineNumbering(true); builder.setWhitespaceStrippingPolicy(WhitespaceStrippingPolicy.ALL); XdmNode booksDoc = builder.build(new File("data/books.xml")); // find all the ITEM elements, and for each one display the TITLE child XPathSelector selector = xpath.compile("//ITEM").load(); selector.setContextItem(booksDoc); QName titleName = new QName("TITLE"); for (XdmItem item: selector) { XdmNode title = getChild((XdmNode)item, titleName); System.err.println(title.getNodeName() + "(" + title.getLineNumber() + "): " + title.getStringValue()); } } // Helper method to get the first child of an element having a given name. // If there is no child with the given name it returns null private static XdmNode getChild(XdmNode parent, QName childName) { XdmSequenceIterator iter = parent.axisIterator(Axis.CHILD, childName); if (iter.hasNext()) { return (XdmNode)iter.next(); } else { return null; } } } /** * Handle an exception thrown while running one of the examples * * @param ex the exception */ private static void handleException(Exception ex) { System.out.println("EXCEPTION: " + ex); ex.printStackTrace(); } } // // The contents of this file are subject to the Mozilla Public License Version 1.0 (the "License"); // you may not use this file except in compliance with the License. You may obtain a copy of the // License at http://www.mozilla.org/MPL/ // // Software distributed under the License is distributed on an "AS IS" basis, // WITHOUT WARRANTY OF ANY KIND, either express or implied. // See the License for the specific language governing rights and limitations under the License. // // The Original Code is: all this file // // The Initial Developer of the Original Code is Michael H. Kay. // // Contributor(s): //