import javax.xml.transform.*;
import javax.xml.transform.sax.*;
import javax.xml.transform.dom.*;
import javax.xml.transform.stream.*;
import javax.xml.parsers.*;
// Needed java classes
import java.io.InputStream;
import java.io.Reader;
import java.io.IOException;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.util.Properties;
// Needed SAX classes
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.Parser;
import org.xml.sax.Attributes;
import org.xml.sax.helpers.ParserAdapter;
import org.xml.sax.helpers.XMLReaderFactory;
import org.xml.sax.helpers.XMLFilterImpl;
import org.xml.sax.XMLReader;
import org.xml.sax.XMLFilter;
import org.xml.sax.ContentHandler;
import org.xml.sax.ext.LexicalHandler;
import org.xml.sax.ext.DeclHandler;
// Needed DOM classes
import org.w3c.dom.Node;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
// Needed JAXP classes
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import java.io.BufferedInputStream; // dml
import java.net.URL;
import java.net.MalformedURLException;
/**
* Some examples to show how the Simple API for Transformations
* could be used.
*
* @author <a href="mailto:scott_boag@lotus.com">Scott Boag</a>
*/
public class TraxExamples {
/**
* Method main
*/
public static void main(String argv[])
throws TransformerException, TransformerConfigurationException,
IOException, SAXException, ParserConfigurationException,
FileNotFoundException {
// MHK note. The SAX interface says that SystemIds must be absolute
// URLs. This example assumes that relative URLs are OK, and that
// they are interpreted relative to the current directory. I have
// modified the Aelfred SAXDriver to make this work, as a number of
// users had complained that Xalan allowed this and Saxon didn't.
String test = "all";
if (argv.length > 0) {
test = argv[0];
}
String foo_xml = "xml/foo.xml";
String foo_xsl = "xsl/foo.xsl";
String baz_xml = "xml/baz.xml";
String baz_xsl = "xsl/baz.xsl";
String foo2_xsl = "xsl/foo2.xsl";
String foo3_xsl = "xsl/foo3.xsl";
String text_xsl = "xsl/text.xsl";
String embedded_xml = "xml/embedded.xml";
if (test.equals("all") || test.equals("exampleParseOnly")) {
System.out.println("\n\n==== exampleParseOnly ====");
try {
exampleParseOnly(foo_xml);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleSimple1")) {
System.out.println("\n\n==== exampleSimple1 ====");
try {
exampleSimple1(foo_xml, foo_xsl);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleSimple2")) {
System.out.println("\n\n==== exampleSimple2 ====");
try {
exampleSimple2(foo_xml, foo_xsl);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleFromStream")) {
System.out.println("\n\n==== exampleFromStream ====");
try {
exampleFromStream(foo_xml, baz_xsl);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleFromReader")) {
System.out.println("\n\n==== exampleFromReader ====");
try {
exampleFromReader(foo_xml, foo_xsl);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleUseTemplatesObj")) {
System.out.println("\n\n==== exampleUseTemplatesObj ====");
try {
exampleUseTemplatesObj(foo_xml, baz_xml,
foo_xsl);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleUseTemplatesHandler")) {
System.out.println("\n\n==== exampleUseTemplatesHandler ====");
try {
(new TraxExamples()).exampleUseTemplatesHandler(foo_xml, foo_xsl);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleContentHandlerToContentHandler")) {
System.out
.println("\n\n==== exampleContentHandlerToContentHandler ====");
try {
exampleContentHandlerToContentHandler(foo_xml,
foo_xsl);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleXMLReader")) {
System.out.println("\n\n==== exampleXMLReader ====");
try {
exampleXMLReader(foo_xml, foo_xsl);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleXMLFilter")) {
System.out.println("\n\n==== exampleXMLFilter ====");
try {
exampleXMLFilter(foo_xml, foo_xsl);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleXMLFilterChain")) {
System.out.println("\n\n==== exampleXMLFilterChain ====");
try {
exampleXMLFilterChain(foo_xml, foo_xsl,
foo2_xsl, foo3_xsl);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleDOMtoDOM")) {
System.out.println("\n\n==== exampleDOMtoDOM ====");
try {
exampleDOMtoDOM(foo_xml, foo_xsl);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleDOMtoDOMNew")) {
System.out.println("\n\n==== exampleDOMtoDOMNew ====");
try {
exampleDOMtoDOMNew(foo_xml, foo_xsl);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleDOMtoDOMNonRoot")) {
System.out.println("\n\n==== exampleDOMtoDOMNonRoot ====");
try {
exampleDOMtoDOMNonRoot(foo_xml, foo_xsl);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleDOMtoDOMAlien")) {
System.out.println("\n\n==== exampleDOMtoDOMAlien ====");
try {
exampleDOMtoDOMAlien(foo_xml, foo_xsl);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleNodeInfo")) {
System.out.println("\n\n==== exampleNodeInfo ====");
try {
exampleNodeInfo(foo_xml, foo_xsl);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleSAXtoDOMNewIdentity")) {
System.out.println("\n\n==== exampleSAXtoDOMNewIdentity ====");
try {
exampleSAXtoDOMNewIdentity(foo_xml, foo_xsl);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleParam")) {
System.out.println("\n\n==== exampleParam ====");
try {
exampleParam(foo_xml, foo_xsl);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleTransformerReuse")) {
System.out.println("\n\n==== exampleTransformerReuse ====");
try {
exampleTransformerReuse(foo_xml, foo_xsl);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleOutputProperties")) {
System.out.println("\n\n==== exampleOutputProperties ====");
try {
exampleOutputProperties(foo_xml, foo_xsl);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleUseAssociated")) {
System.out.println("\n\n==== exampleUseAssociated ====");
try {
exampleUseAssociated(foo_xml);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleUseEmbedded")) {
System.out.println("\n\n==== exampleUseEmbedded ====");
try {
exampleUseAssociated(embedded_xml);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleContentHandlertoDOM")) {
System.out.println("\n\n==== exampleContentHandlertoDOM ====");
try {
exampleContentHandlertoDOM(foo_xml, foo_xsl);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleAsSerializer")) {
System.out.println("\n\n==== exampleAsSerializer ====");
try {
exampleAsSerializer(foo_xml, foo_xsl);
} catch (Exception ex) {
handleException(ex);
}
}
if (test.equals("all") || test.equals("exampleUsingURIResolver")) {
System.out.println("\n\n==== exampleUsingURIResolver ====");
try {
exampleUsingURIResolver(foo_xml, text_xsl);
} catch (Exception ex) {
handleException(ex);
}
}
System.out.println("\n==== done! ====");
}
/**
* Show the simplest possible transformation from system id
* to output stream.
*/
public static void exampleSimple1(String sourceID, String xslID)
throws TransformerException, TransformerConfigurationException {
// Create a transform factory instance.
TransformerFactory tfactory = TransformerFactory.newInstance();
// Create a transformer for the stylesheet.
Transformer transformer =
tfactory.newTransformer(new StreamSource(xslID));
// Transform the source XML to System.out.
transformer.transform(new StreamSource(sourceID),
new StreamResult(System.out));
}
/**
* Example that shows XML parsing only (no transformation)
*/
public static void exampleParseOnly(String sourceID) throws Exception {
System.setProperty("javax.xml.parsers.SAXParserFactory",
"com.icl.saxon.aelfred.SAXParserFactoryImpl");
SAXParserFactory factory = SAXParserFactory.newInstance();
SAXParser parser = factory.newSAXParser();
parser.parse(sourceID, new org.xml.sax.helpers.DefaultHandler());
System.out.println("\nParsing complete\n");
}
/**
* Show the simplest possible transformation from File
* to a File.
*/
public static void exampleSimple2(String sourceID, String xslID)
throws TransformerException, TransformerConfigurationException {
// Create a transform factory instance.
TransformerFactory tfactory = TransformerFactory.newInstance();
// Create a transformer for the stylesheet.
Transformer transformer =
tfactory.newTransformer(new StreamSource(xslID));
// Transform the source XML to System.out.
transformer.transform(new StreamSource(sourceID),
new StreamResult(new File("exampleSimple2.out")));
System.out.println("\nOutput written to exampleSimple2.out\n");
}
/**
* Show simple transformation from input stream to output stream.
*/
public static void exampleFromStream(String sourceID, String xslID)
throws TransformerException, TransformerConfigurationException,
FileNotFoundException, MalformedURLException {
// Create a transform factory instance.
TransformerFactory tfactory = TransformerFactory.newInstance();
InputStream xslIS =
new BufferedInputStream(new FileInputStream(xslID));
StreamSource xslSource = new StreamSource(xslIS);
// The following line would be necessary if the stylesheet contained
// an xsl:include or xsl:import with a relative URL
// xslSource.setSystemId(xslID);
// Create a transformer for the stylesheet.
Transformer transformer = tfactory.newTransformer(xslSource);
InputStream xmlIS =
new BufferedInputStream(new FileInputStream(sourceID));
StreamSource xmlSource = new StreamSource(xmlIS);
// The following line would be necessary if the source document contained
// a call on the document() function using a relative URL
// xmlSource.setSystemId(sourceID);
// Transform the source XML to System.out.
transformer.transform(xmlSource, new StreamResult(System.out));
}
/**
* Show simple transformation from reader to output stream. In general
* this use case is discouraged, since the XML encoding can not be
* processed.
*/
public static void exampleFromReader(String sourceID, String xslID)
throws TransformerException, TransformerConfigurationException,
FileNotFoundException, MalformedURLException {
// Create a transform factory instance.
TransformerFactory tfactory = TransformerFactory.newInstance();
// Note that in this case the XML encoding can not be processed!
Reader xslReader = new BufferedReader(new FileReader(xslID));
StreamSource xslSource = new StreamSource(xslReader);
// Note that if we don't do this, relative URLs can not be resolved correctly!
xslSource.setSystemId(xslID);
// Create a transformer for the stylesheet.
Transformer transformer = tfactory.newTransformer(xslSource);
// Note that in this case the XML encoding can not be processed!
Reader xmlReader = new BufferedReader(new FileReader(sourceID));
StreamSource xmlSource = new StreamSource(xmlReader);
// The following line would be needed if the source document contained
// a relative URL
// xmlSource.setSystemId(sourceID);
// Transform the source XML to System.out.
transformer.transform(xmlSource, new StreamResult(System.out));
}
/**
* Perform a transformation using a compiled stylesheet (a Templates object)
*/
public static void exampleUseTemplatesObj(
String sourceID1, String sourceID2, String xslID)
throws TransformerException,
TransformerConfigurationException {
TransformerFactory tfactory = TransformerFactory.newInstance();
// Create a templates object, which is the processed,
// thread-safe representation of the stylesheet.
Templates templates = tfactory.newTemplates(new StreamSource(xslID));
// Illustrate the fact that you can make multiple transformers
// from the same template.
Transformer transformer1 = templates.newTransformer();
Transformer transformer2 = templates.newTransformer();
System.out.println("\n\n----- transform of " + sourceID1 + " -----");
transformer1.transform(new StreamSource(sourceID1),
new StreamResult(System.out));
System.out.println("\n\n----- transform of " + sourceID2 + " -----");
transformer2.transform(new StreamSource(sourceID2),
new StreamResult(System.out));
}
/**
* Perform a transformation using a compiled stylesheet (a Templates object)
*/
public void exampleUseTemplatesHandler(
String sourceID, String xslID)
throws Exception {
TransformerFactory tfactory = TransformerFactory.newInstance();
// Does this factory support SAX features?
if (tfactory.getFeature(SAXSource.FEATURE)) {
// If so, we can safely cast.
SAXTransformerFactory stfactory =
((SAXTransformerFactory) tfactory);
// Create a Templates ContentHandler to handle parsing of the
// stylesheet.
javax.xml.transform.sax.TemplatesHandler templatesHandler =
stfactory.newTemplatesHandler();
// Create an XMLReader and set its features.
XMLReader reader = makeXMLReader();
reader.setFeature("http://xml.org/sax/features/namespaces", true);
reader.setFeature("http://xml.org/sax/features/namespace-prefixes", false);
// Create a XMLFilter that modifies the stylesheet
XMLFilter filter = new ModifyStylesheetFilter();
filter.setParent(reader);
filter.setContentHandler(templatesHandler);
// Parse the stylesheet.
filter.parse(new InputSource(xslID));
// Get the Templates object (generated during the parsing of the stylesheet)
// from the TemplatesHandler.
Templates templates = templatesHandler.getTemplates();
// do the transformation
templates.newTransformer().transform(
new StreamSource(sourceID), new StreamResult(System.out));
} else {
System.out.println("Factory doesn't implement SAXTransformerFactory");
}
}
private class ModifyStylesheetFilter extends XMLFilterImpl {
public void startDocument () throws SAXException {
System.err.println("ModifyStylesheetFilter#startDocument");
super.startDocument();
}
public void startElement (String namespaceURI, String localName,
String qName, Attributes atts) throws SAXException {
String lname = (qName.startsWith("xsl:") ? localName : ("XX" + localName));
super.startElement(namespaceURI, lname, qName, atts);
}
public void endElement (String namespaceURI, String localName,
String qName) throws SAXException {
String lname = (qName.startsWith("xsl:") ? localName : ("XX" + localName));
super.endElement(namespaceURI, lname, qName);
}
}
/**
* Show the Transformer using SAX events in and SAX events out.
*/
public static void exampleContentHandlerToContentHandler(
String sourceID, String xslID)
throws TransformerException,
TransformerConfigurationException, SAXException,
IOException, MalformedURLException {
TransformerFactory tfactory = TransformerFactory.newInstance();
// Does this factory support SAX features?
if (tfactory.getFeature(SAXSource.FEATURE)) {
// If so, we can safely cast.
SAXTransformerFactory stfactory =
((SAXTransformerFactory) tfactory);
// A TransformerHandler is a ContentHandler that will listen for
// SAX events, and transform them to the result.
TransformerHandler handler =
stfactory.newTransformerHandler(new StreamSource(xslID));
// Set the result handling to be a serialization to System.out.
Result result = new SAXResult(new ExampleContentHandler());
handler.setResult(result);
// Create a reader, and set it's content handler to be the TransformerHandler.
XMLReader reader = makeXMLReader();
reader.setContentHandler(handler);
// It's a good idea for the parser to send lexical events.
// The TransformerHandler is also a LexicalHandler.
reader.setProperty(
"http://xml.org/sax/properties/lexical-handler", handler);
// Parse the source XML, and send the parse events to the TransformerHandler.
reader.parse(sourceID);
} else {
System.out.println(
"Can't do exampleContentHandlerToContentHandler because tfactory is not a SAXTransformerFactory");
}
}
/**
* Show the Transformer as a SAX2 XMLReader. An XMLFilter obtained
* from newXMLFilter should act as a transforming XMLReader if setParent is not
* called. Internally, an XMLReader is created as the parent for the XMLFilter.
*/
public static void exampleXMLReader(String sourceID, String xslID)
throws TransformerException, TransformerConfigurationException,
SAXException, IOException, MalformedURLException
// , ParserConfigurationException
{
TransformerFactory tfactory = TransformerFactory.newInstance();
if (tfactory.getFeature(SAXSource.FEATURE)) {
XMLReader reader =
((SAXTransformerFactory) tfactory)
.newXMLFilter(new StreamSource(new File(xslID)));
reader.setContentHandler(new ExampleContentHandler());
reader.parse(new InputSource(new File(sourceID).toURL().toString()));
} else {
System.out.println("tfactory does not support SAX features!");
}
}
/**
* Show the Transformer as a simple XMLFilter. This is pretty similar
* to exampleXMLReader, except that here the parent XMLReader is created
* by the caller, instead of automatically within the XMLFilter. This
* gives the caller more direct control over the parent reader.
*/
public static void exampleXMLFilter(String sourceID, String xslID)
throws TransformerException, TransformerConfigurationException,
SAXException, IOException, MalformedURLException
// , ParserConfigurationException
{
TransformerFactory tfactory = TransformerFactory.newInstance();
XMLReader reader = makeXMLReader();
// The transformer will use a SAX parser as it's reader.
// LOOKS WRONG: should be set on filter, see below!
// reader.setContentHandler(new ExampleContentHandler());
try {
reader.setFeature(
"http://xml.org/sax/features/namespace-prefixes", true);
reader.setFeature(
"http://apache.org/xml/features/validation/dynamic", true);
} catch (SAXException se) {
// What can we do?
// TODO: User diagnostics.
}
XMLFilter filter =
((SAXTransformerFactory) tfactory)
.newXMLFilter(new StreamSource(new File(xslID)));
filter.setParent(reader);
filter.setContentHandler(new ExampleContentHandler());
// Now, when you call transformer.parse, it will set itself as
// the content handler for the parser object (it's "parent"), and
// will then call the parse method on the parser.
filter.parse(new InputSource(new File(sourceID).toURL().toString()));
}
/**
* This example shows how to chain events from one Transformer
* to another transformer, using the Transformer as a
* SAX2 XMLFilter/XMLReader.
*/
public static void exampleXMLFilterChain(
String sourceID, String xslID_1, String xslID_2, String xslID_3)
throws TransformerException,
TransformerConfigurationException, SAXException,
IOException, MalformedURLException {
TransformerFactory tfactory = TransformerFactory.newInstance();
Templates stylesheet1 =
tfactory.newTemplates(new StreamSource(new File(xslID_1)));
Transformer transformer1 = stylesheet1.newTransformer();
// If one success, assume all will succeed.
if (tfactory.getFeature(SAXSource.FEATURE)) {
SAXTransformerFactory stf = (SAXTransformerFactory) tfactory;
XMLReader reader = makeXMLReader();
XMLFilter filter1 = stf.newXMLFilter(new StreamSource(new File(xslID_1)));
XMLFilter filter2 = stf.newXMLFilter(new StreamSource(new File(xslID_2)));
XMLFilter filter3 = stf.newXMLFilter(new StreamSource(new File(xslID_3)));
if (null != filter1) // If one success, assume all were success.
{
// transformer1 will use a SAX parser as it's reader.
filter1.setParent(reader);
// transformer2 will use transformer1 as it's reader.
filter2.setParent(filter1);
// transformer3 will use transformer2 as it's reader.
filter3.setParent(filter2);
filter3.setContentHandler(new ExampleContentHandler());
// filter3.setContentHandler(new org.xml.sax.helpers.DefaultHandler());
// Now, when you call transformer3 to parse, it will set
// itself as the ContentHandler for transform2, and
// call transform2.parse, which will set itself as the
// content handler for transform1, and call transform1.parse,
// which will set itself as the content listener for the
// SAX parser, and call parser.parse(new InputSource(foo_xml)).
filter3.parse(new InputSource(new File(sourceID).toURL().toString()));
} else {
System.out
.println("Can't do exampleXMLFilter because "
+ "tfactory doesn't support newXMLFilter()");
}
} else {
System.out.println("Can't do exampleXMLFilter because "
+ "tfactory is not a SAXTransformerFactory");
}
}
/**
* Show how to transform a DOM tree into another DOM tree.
* This uses the javax.xml.parsers to parse an XML file into a
* DOM, and create an output DOM.
*/
public static Node exampleDOMtoDOM(String sourceID, String xslID)
throws TransformerException, TransformerConfigurationException,
SAXException, IOException, ParserConfigurationException,
MalformedURLException {
TransformerFactory tfactory = TransformerFactory.newInstance();
if (tfactory.getFeature(DOMSource.FEATURE)) {
Templates templates;
{
System.setProperty("javax.xml.parsers.DocumentBuilderFactory",
"com.icl.saxon.om.DocumentBuilderFactoryImpl");
DocumentBuilderFactory dfactory =
DocumentBuilderFactory.newInstance();
System.err.println("Using DocumentBuilderFactory " + dfactory.getClass());
dfactory.setNamespaceAware(true);
DocumentBuilder docBuilder =
dfactory.newDocumentBuilder();
System.err.println("Using DocumentBuilder " + docBuilder.getClass());
org.w3c.dom.Document outNode = docBuilder.newDocument();
Node doc =
docBuilder.parse(new InputSource(new File(xslID).toURL().toString()));
System.err.println("Stylesheet document built OK");
DOMSource dsource = new DOMSource(doc);
// If we don't do this, the transformer won't know how to
// resolve relative URLs in the stylesheet.
dsource.setSystemId(new File(xslID).toURL().toString());
templates = tfactory.newTemplates(dsource);
}
Transformer transformer = templates.newTransformer();
DocumentBuilderFactory dfactory = DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder = dfactory.newDocumentBuilder();
org.w3c.dom.Document outNode = docBuilder.newDocument();
Node doc = docBuilder.parse(
new InputSource(new File(sourceID).toURL().toString()));
System.err.println("Source document built OK");
// added by MHK
DOMSource ds = new DOMSource(doc);
ds.setSystemId(new File(sourceID).toURL().toString());
// end of addition
transformer.transform(ds, new DOMResult(outNode));
System.err.println("Transformation done OK");
// Serialize the output so we can see the transformation actually worked
Transformer serializer = tfactory.newTransformer();
serializer.transform(new DOMSource(outNode),
new StreamResult(System.out));
return outNode;
} else {
throw new org.xml.sax.SAXNotSupportedException(
"DOM node processing not supported!");
}
}
/**
* Show how to transform a DOM tree into another DOM tree.
* This uses the javax.xml.parsers to parse an XML file into the source
* DOM; it leaves the XSLT processor to create the result DOM.
*/
public static void exampleDOMtoDOMNew(String sourceID, String xslID)
throws TransformerException, TransformerConfigurationException,
SAXException, IOException, ParserConfigurationException,
MalformedURLException {
TransformerFactory tfactory = TransformerFactory.newInstance();
if (tfactory.getFeature(DOMSource.FEATURE)) {
Templates templates;
{
System.setProperty("javax.xml.parsers.DocumentBuilderFactory",
"com.icl.saxon.om.DocumentBuilderFactoryImpl");
DocumentBuilderFactory dfactory =
DocumentBuilderFactory.newInstance();
System.err.println("Using DocumentBuilderFactory " + dfactory.getClass());
dfactory.setNamespaceAware(true);
DocumentBuilder docBuilder =
dfactory.newDocumentBuilder();
System.err.println("Using DocumentBuilder " + docBuilder.getClass());
org.w3c.dom.Document outNode = docBuilder.newDocument();
Node doc =
docBuilder.parse(new InputSource(new File(xslID).toURL().toString()));
System.err.println("Stylesheet document built OK");
DOMSource dsource = new DOMSource(doc);
// If we don't do this, the transformer won't know how to
// resolve relative URLs in the stylesheet.
dsource.setSystemId(new File(xslID).toURL().toString());
templates = tfactory.newTemplates(dsource);
}
Transformer transformer = templates.newTransformer();
DocumentBuilderFactory dfactory = DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder = dfactory.newDocumentBuilder();
//org.w3c.dom.Document outNode = docBuilder.newDocument();
Node doc = docBuilder.parse(
new InputSource(new File(sourceID).toURL().toString()));
System.err.println("Source document built OK");
// added by MHK
DOMSource ds = new DOMSource(doc);
//ds.setSystemId(new File(sourceID).toURL().toString());
// end of addition
DOMResult result = new DOMResult();
transformer.transform(ds, result);
System.err.println("Transformation done OK");
// Serialize the output so we can see the transformation actually worked
Transformer serializer = tfactory.newTransformer();
serializer.transform(new DOMSource(result.getNode()),
new StreamResult(System.out));
int k = result.getNode().getChildNodes().getLength();
System.err.println("Result root has " + k + " children");
} else {
throw new org.xml.sax.SAXNotSupportedException(
"DOM node processing not supported!");
}
}
/**
* Show how to transform a DOM tree into another DOM tree.
* This uses the javax.xml.parsers to parse an XML file into a
* DOM, and create an output DOM. In this example, the start node
* for the transformation is an element, not the root node.
*/
public static Node exampleDOMtoDOMNonRoot(String sourceID, String xslID)
throws TransformerException, TransformerConfigurationException,
SAXException, IOException, ParserConfigurationException,
MalformedURLException {
TransformerFactory tfactory = TransformerFactory.newInstance();
if (tfactory.getFeature(DOMSource.FEATURE)) {
Templates templates;
{
System.setProperty("javax.xml.parsers.DocumentBuilderFactory",
"com.icl.saxon.om.DocumentBuilderFactoryImpl");
DocumentBuilderFactory dfactory = DocumentBuilderFactory.newInstance();
System.err.println("Using DocumentBuilderFactory " + dfactory.getClass());
dfactory.setNamespaceAware(true);
DocumentBuilder docBuilder = dfactory.newDocumentBuilder();
System.err.println("Using DocumentBuilder " + docBuilder.getClass());
org.w3c.dom.Document outNode = docBuilder.newDocument();
Node doc =
docBuilder.parse(new InputSource(new File(xslID).toURL().toString()));
System.err.println("Stylesheet document built OK");
DOMSource dsource = new DOMSource(doc);
// If we don't do this, the transformer won't know how to
// resolve relative URLs in the stylesheet.
dsource.setSystemId(new File(xslID).toURL().toString());
templates = tfactory.newTemplates(dsource);
}
Transformer transformer = templates.newTransformer();
DocumentBuilderFactory dfactory = DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder = dfactory.newDocumentBuilder();
Document outNode = docBuilder.newDocument();
Document doc = docBuilder.parse(
new InputSource(new File(sourceID).toURL().toString()));
Node bar = doc.getDocumentElement().getFirstChild();
while (bar.getNodeType() != Node.ELEMENT_NODE) {
bar = bar.getNextSibling();
}
System.err.println("Source document built OK");
// added by MHK
DOMSource ds = new DOMSource(bar);
ds.setSystemId(new File(sourceID).toURL().toString());
// end of addition
transformer.transform(ds, new DOMResult(outNode));
System.err.println("Transformation done OK");
// Serialize the output so we can see the transformation actually worked
Transformer serializer = tfactory.newTransformer();
serializer.transform(new DOMSource(outNode),
new StreamResult(System.out));
return outNode;
} else {
throw new org.xml.sax.SAXNotSupportedException(
"DOM node processing not supported!");
}
}
/**
* Show how to transform a DOM tree into another DOM tree.
* This uses the javax.xml.parsers to parse an XML file into a
* DOM, and create an output DOM. In this example, Saxon uses a
* third-party DOM as both input and output.
*/
public static void exampleDOMtoDOMAlien(String sourceID, String xslID)
throws TransformerException, TransformerConfigurationException,
SAXException, IOException, ParserConfigurationException,
MalformedURLException {
String factory = null;
// Try the crimson parser
try {
Class.forName("org.apache.crimson.jaxp.DocumentBuilderFactoryImpl");
factory = "org.apache.crimson.jaxp.DocumentBuilderFactoryImpl";
}
catch (Exception e) {
factory = null;
}
// Try the Xerces parser
if (factory==null) {
try {
Class.forName("org.apache.xerces.jaxp.DocumentBuilderFactoryImpl");
factory = "org.apache.xerces.jaxp.DocumentBuilderFactoryImpl";
}
catch (Exception e) {
factory = null;
}
}
if (factory==null) {
System.err.println("No third-party DOM Builder found");
return;
}
System.setProperty("javax.xml.parsers.DocumentBuilderFactory", factory);
TransformerFactory tfactory = TransformerFactory.newInstance();
if (tfactory.getFeature(DOMSource.FEATURE)) {
Templates templates;
{
DocumentBuilderFactory dfactory = DocumentBuilderFactory.newInstance();
System.err.println("Using DocumentBuilderFactory " + dfactory.getClass());
dfactory.setNamespaceAware(true);
DocumentBuilder docBuilder = dfactory.newDocumentBuilder();
System.err.println("Using DocumentBuilder " + docBuilder.getClass());
org.w3c.dom.Document outNode = docBuilder.newDocument();
Node doc =
docBuilder.parse(new InputSource(new File(xslID).toURL().toString()));
System.err.println("Stylesheet document built OK");
DOMSource dsource = new DOMSource(doc);
// If we don't do this, the transformer won't know how to
// resolve relative URLs in the stylesheet.
dsource.setSystemId(new File(xslID).toURL().toString());
templates = tfactory.newTemplates(dsource);
}
Transformer transformer = templates.newTransformer();
DocumentBuilderFactory dfactory = DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder = dfactory.newDocumentBuilder();
Document doc = docBuilder.parse(
new InputSource(new File(sourceID).toURL().toString()));
Node bar = doc.getDocumentElement().getFirstChild();
while (bar.getNodeType() != Node.ELEMENT_NODE) {
bar = bar.getNextSibling();
}
System.err.println("Source document built OK");
// added by MHK
DOMSource ds = new DOMSource(bar);
ds.setSystemId(new File(sourceID).toURL().toString());
// end of addition
// create a skeleton output document, to which
// the transformation results will be added
Document out = docBuilder.newDocument();
Element extra = out.createElement("extra");
out.appendChild(extra);
transformer.transform(ds, new DOMResult(extra));
System.err.println("Transformation done OK");
// Serialize the output so we can see the transformation actually worked
Transformer serializer = tfactory.newTransformer();
serializer.transform(new DOMSource(out),
new StreamResult(System.out));
return;
} else {
throw new org.xml.sax.SAXNotSupportedException(
"DOM node processing not supported!");
}
}
/**
* Identity transformation from a SAX Source to a new DOM result.
* This leaves the XSLT processor to create the result DOM.
*/
public static void exampleSAXtoDOMNewIdentity(String sourceID, String xslID)
throws TransformerException, TransformerConfigurationException,
SAXException, IOException, ParserConfigurationException,
MalformedURLException {
TransformerFactory tfactory = TransformerFactory.newInstance();
Transformer transformer = tfactory.newTransformer();
SAXSource source = new SAXSource(new InputSource(sourceID));
DOMResult result = new DOMResult();
transformer.transform(source, result);
System.err.println("Transformation done OK");
// Serialize the output so we can see the transformation actually worked
Transformer serializer = tfactory.newTransformer();
serializer.transform(new DOMSource(result.getNode()),
new StreamResult(System.out));
int k = result.getNode().getChildNodes().getLength();
System.err.println("Result root has " + k + " children");
}
/**
* Show how to transform directly from a Saxon NodeInfo object.
* This example is peculiar to Saxon: it is not pure JAXP.
*/
public static void exampleNodeInfo(String sourceID, String xslID)
throws TransformerException, TransformerConfigurationException,
SAXException, IOException, ParserConfigurationException,
MalformedURLException {
TransformerFactory tfactory = TransformerFactory.newInstance();
Templates templates = tfactory.newTemplates(new StreamSource(xslID));
Transformer transformer = templates.newTransformer();
com.icl.saxon.om.Builder builder =
((com.icl.saxon.Controller)transformer).makeBuilder();
com.icl.saxon.om.DocumentInfo doc =
builder.build(new SAXSource(new InputSource(sourceID)));
transformer.transform(doc, new StreamResult(System.out));
}
/**
* This shows how to set a parameter for use by the templates. Use
* two transformers to show that different parameters may be set
* on different transformers.
*/
public static void exampleParam(String sourceID, String xslID)
throws TransformerException, TransformerConfigurationException {
TransformerFactory tfactory = TransformerFactory.newInstance();
Templates templates =
tfactory.newTemplates(new StreamSource(new File(xslID)));
Transformer transformer1 = templates.newTransformer();
Transformer transformer2 = templates.newTransformer();
transformer1.setParameter("a-param", "hello to you!");
transformer1.transform(new StreamSource(new File(sourceID)),
new StreamResult(System.out));
System.out.println("\n========= (and again with a different parameter value) ===");
transformer1.setParameter("a-param", "goodbye to you!");
transformer1.transform(new StreamSource(new File(sourceID)),
new StreamResult(System.out));
System.out.println("\n========= (and again with a no parameter value) ===");
transformer2.setOutputProperty(OutputKeys.INDENT, "yes");
transformer2.transform(new StreamSource(new File(sourceID)),
new StreamResult(System.out));
}
/**
* Show the that a transformer can be reused, and show resetting
* a parameter on the transformer.
*/
public static void exampleTransformerReuse(String sourceID, String xslID)
throws TransformerException, TransformerConfigurationException {
// Create a transform factory instance.
TransformerFactory tfactory = TransformerFactory.newInstance();
// Create a transformer for the stylesheet.
Transformer transformer =
tfactory.newTransformer(new StreamSource(new File(xslID)));
transformer.setParameter("a-param", "hello to you!");
// Transform the source XML to System.out.
transformer.transform(new StreamSource(new File(sourceID)),
new StreamResult(System.out));
System.out.println("\n=========\n");
transformer.setParameter("a-param", "hello to me!");
transformer.setOutputProperty(OutputKeys.INDENT, "yes");
// Transform the source XML to System.out.
transformer.transform(new StreamSource(new File(sourceID)),
new StreamResult(System.out));
}
/**
* Show how to override output properties.
*/
public static void exampleOutputProperties(String sourceID, String xslID)
throws TransformerException, TransformerConfigurationException {
TransformerFactory tfactory = TransformerFactory.newInstance();
Templates templates =
tfactory.newTemplates(new StreamSource(new File(xslID)));
Properties oprops = templates.getOutputProperties();
oprops.put(OutputKeys.INDENT, "yes");
Transformer transformer = templates.newTransformer();
transformer.setOutputProperties(oprops);
transformer.transform(new StreamSource(new File(sourceID)),
new StreamResult(System.out));
}
/**
* Show how to get stylesheets that are associated with a given
* xml document via the xml-stylesheet PI (see http://www.w3.org/TR/xml-stylesheet/).
*/
public static void exampleUseAssociated(String sourceID)
throws TransformerException, TransformerConfigurationException {
TransformerFactory tfactory = TransformerFactory.newInstance();
// The DOM tfactory will have it's own way, based on DOM2,
// of getting associated stylesheets.
if (tfactory instanceof SAXTransformerFactory) {
SAXTransformerFactory stf =
((SAXTransformerFactory) tfactory);
Source sources =
stf.getAssociatedStylesheet(new StreamSource(sourceID), null,
null, null);
if (null != sources) {
Transformer transformer = tfactory.newTransformer(sources);
transformer.transform(new StreamSource(sourceID),
new StreamResult(System.out));
} else {
System.out.println("Can't find the associated stylesheet!");
}
}
}
/**
* Show the Transformer using SAX events in and DOM nodes out.
*/
public static void exampleContentHandlertoDOM(
String sourceID, String xslID)
throws TransformerException,
TransformerConfigurationException, SAXException,
IOException, ParserConfigurationException {
TransformerFactory tfactory = TransformerFactory.newInstance();
// Make sure the transformer factory we obtained supports both
// DOM and SAX.
if (tfactory.getFeature(SAXSource.FEATURE)
&& tfactory.getFeature(DOMSource.FEATURE)) {
// We can now safely cast to a SAXTransformerFactory.
SAXTransformerFactory sfactory = (SAXTransformerFactory) tfactory;
// Create an Document node as the root for the output.
DocumentBuilderFactory dfactory =
DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder = dfactory.newDocumentBuilder();
org.w3c.dom.Document outNode = docBuilder.newDocument();
// Create a ContentHandler that can liston to SAX events
// and transform the output to DOM nodes.
TransformerHandler handler =
sfactory.newTransformerHandler(new StreamSource(xslID));
handler.setResult(new DOMResult(outNode));
// Create a reader and set it's ContentHandler to be the
// transformer.
XMLReader reader = makeXMLReader();
reader.setContentHandler(handler);
reader.setProperty(
"http://xml.org/sax/properties/lexical-handler", handler);
// Send the SAX events from the parser to the transformer,
// and thus to the DOM tree.
reader.parse(sourceID);
// Serialize the node for diagnosis.
exampleSerializeNode(outNode);
} else {
System.out.println(
"Can't do exampleContentHandlerToContentHandler because tfactory is not a SAXTransformerFactory");
}
}
/**
* Show a transformation using a user-written URI Resolver.
*/
public static void exampleUsingURIResolver(String sourceID, String xslID)
throws TransformerException, TransformerConfigurationException {
// Create a transform factory instance.
TransformerFactory tfactory = TransformerFactory.newInstance();
// Create a transformer for the stylesheet.
Transformer transformer =
tfactory.newTransformer(new StreamSource(xslID));
// Set the URIResolver
transformer.setURIResolver(new UserURIResolver(transformer));
// Transform the source XML to System.out.
transformer.transform(new StreamSource(sourceID),
new StreamResult(System.out));
}
/**
* A sample URIResolver. This handles a URI ending with ".txt". It loads the
* text file identified by the URI, assuming it is in ISO-8859-1 encoding,
* into a tree containing a single text node. It returns this
* result tree to the transformer, exploiting the fact that a Saxon NodeInfo
* can be used as a Source. If the URI doesn't end with ".txt", it hands over
* to the standard URI resolver by returning null.
*/
public static class UserURIResolver implements URIResolver {
Transformer transformer;
public UserURIResolver(Transformer t) {
transformer = t;
}
/**
* Resolve a URI
* @param baseURI The base URI that should be used. May be null if uri is absolute.
* @params uri The relative or absolute URI. May be an empty string. May contain
* a fragment identifier starting with "#", which must be the value of an ID attribute
* in the referenced XML document.
* @return a Source object representing an XML document
*/
public Source resolve(String href, String base)
throws TransformerException {
if (href.endsWith(".txt")) {
try {
URL url = new URL(new URL(base), href);
java.io.InputStream in = url.openConnection().getInputStream();
java.io.InputStreamReader reader =
new java.io.InputStreamReader(in, "iso-8859-1");
// this could be vastly more efficient, but it doesn't matter here
StringBuffer sb = new StringBuffer();
while (true) {
int c = reader.read();
if (c<0) break;
sb.append((char)c);
}
com.icl.saxon.expr.TextFragmentValue tree =
new com.icl.saxon.expr.TextFragmentValue(
sb.toString(), url.toString(),
(com.icl.saxon.Controller)transformer);
return tree.getFirst();
} catch (Exception err) {
throw new TransformerException(err);
}
} else {
return null;
}
}
} // end of inner class UserURIResolver
/**
* Serialize a node to System.out.
*/
public static void exampleSerializeNode(Node node)
throws TransformerException, TransformerConfigurationException,
SAXException, IOException, ParserConfigurationException {
TransformerFactory tfactory = TransformerFactory.newInstance();
// This creates a transformer that does a simple identity transform,
// and thus can be used for all intents and purposes as a serializer.
Transformer serializer = tfactory.newTransformer();
serializer.setOutputProperty(OutputKeys.INDENT, "yes");
serializer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
serializer.transform(new DOMSource(node),
new StreamResult(System.out));
}
/**
* A fuller example showing how the TrAX interface can be used
* to serialize a DOM tree.
*/
public static void exampleAsSerializer(String sourceID, String xslID)
throws TransformerException, TransformerConfigurationException,
SAXException, IOException, ParserConfigurationException {
DocumentBuilderFactory dfactory =
DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder = dfactory.newDocumentBuilder();
org.w3c.dom.Document outNode = docBuilder.newDocument();
Node doc =
docBuilder.parse(new InputSource(sourceID));
TransformerFactory tfactory = TransformerFactory.newInstance();
// This creates a transformer that does a simple identity transform,
// and thus can be used for all intents and purposes as a serializer.
Transformer serializer = tfactory.newTransformer();
Properties oprops = new Properties();
oprops.put("method", "html");
oprops.put("{http://icl.com/saxon}indent-spaces", "2");
serializer.setOutputProperties(oprops);
serializer.transform(new DOMSource(doc),
new StreamResult(System.out));
}
private static void handleException(Exception ex) {
System.out.println("EXCEPTION: " + ex);
ex.printStackTrace();
if (ex instanceof TransformerConfigurationException) {
System.out.println();
System.out.println("Test failed");
Throwable ex1 =
((TransformerConfigurationException) ex).getException();
if (ex1!=null) { // added by MHK
ex1.printStackTrace();
if (ex1 instanceof SAXException) {
Exception ex2 = ((SAXException) ex1).getException();
System.out.println("Internal sub-exception: ");
ex2.printStackTrace();
}
}
}
}
/**
* Make an XMLReader
*/
private static XMLReader makeXMLReader() {
return new com.icl.saxon.aelfred.SAXDriver();
}
}