+++ /dev/null
-/*
- * $Id: TraxInputHandler.java,v 1.6 2003/02/27 10:13:04 jeremias Exp $
- * ============================================================================
- * The Apache Software License, Version 1.1
- * ============================================================================
- *
- * Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modifica-
- * tion, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * 3. The end-user documentation included with the redistribution, if any, must
- * include the following acknowledgment: "This product includes software
- * developed by the Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself, if
- * and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "FOP" and "Apache Software Foundation" must not be used to
- * endorse or promote products derived from this software without prior
- * written permission. For written permission, please contact
- * apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache", nor may
- * "Apache" appear in their name, without prior written permission of the
- * Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
- * DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * ============================================================================
- *
- * This software consists of voluntary contributions made by many individuals
- * on behalf of the Apache Software Foundation and was originally created by
- * James Tauber <jtauber@jtauber.com>. For more information on the Apache
- * Software Foundation, please see <http://www.apache.org/>.
- */
-package org.apache.fop.apps;
-
-// Imported java.io classes
-import java.io.File;
-
-// Imported TraX classes
-import javax.xml.transform.Source;
-import javax.xml.transform.Transformer;
-import javax.xml.transform.TransformerFactory;
-import javax.xml.transform.stream.StreamSource;
-import javax.xml.transform.sax.SAXResult;
-import javax.xml.transform.sax.SAXSource;
-import javax.xml.transform.sax.SAXTransformerFactory;
-
-// Imported SAX classes
-import org.xml.sax.InputSource;
-import org.xml.sax.XMLReader;
-import org.xml.sax.XMLFilter;
-
-/**
- * XSLTInputHandler basically takes an XML file and transforms it with an
- * XSLT file and the resulting XSL-FO document is input for FOP.
- */
-public class TraxInputHandler extends InputHandler {
-
- private Transformer transformer;
- private StreamSource xmlSource;
- private Source xsltSource;
-
- /**
- * Constructor with files as input.
- * @param xmlfile XML file
- * @param xsltfile XSLT file
- * @throws FOPException if initializing the Transformer fails
- */
- public TraxInputHandler(File xmlfile, File xsltfile) throws FOPException {
- this.xmlSource = new StreamSource(xmlfile);
- this.xsltSource = new StreamSource(xsltfile);
- initTransformer();
- }
-
- /**
- * Constructor with URIs/URLs as input.
- * @param xmlURL XML URL
- * @param xsltURL XSLT URL
- * @throws FOPException if initializing the Transformer fails
- */
- public TraxInputHandler(String xmlURL, String xsltURL) throws FOPException {
- this.xmlSource = new StreamSource(xmlURL);
- this.xsltSource = new StreamSource(xsltURL);
- initTransformer();
- }
-
- /**
- * Constructor with InputSources as input.
- * @param xmlSource XML InputSource
- * @param xsltSource XSLT InputSource
- * @throws FOPException if initializing the Transformer fails
- */
- public TraxInputHandler(InputSource xmlSource, InputSource xsltSource)
- throws FOPException {
- this.xmlSource = new StreamSource(xmlSource.getByteStream(),
- xmlSource.getSystemId());
- this.xsltSource = new StreamSource(xsltSource.getByteStream(),
- xsltSource.getSystemId());
- initTransformer();
- }
-
- private void initTransformer() throws FOPException {
- try {
- this.transformer =
- TransformerFactory.newInstance().newTransformer(xsltSource);
- } catch (Exception ex) {
- throw new FOPException(ex);
- }
- }
-
- /**
- * @see org.apache.fop.apps.InputHandler#getInputSource()
- */
- public InputSource getInputSource() {
- InputSource is = new InputSource();
- is.setByteStream(xmlSource.getInputStream());
- is.setSystemId(xmlSource.getSystemId());
- return is;
- }
-
- /**
- * Overwrites this method of the super class and returns an XMLFilter
- * instead of a simple XMLReader which allows chaining of transformations.
- * @see org.apache.fop.apps.InputHandler#getParser()
- */
- public XMLReader getParser() throws FOPException {
- return getXMLFilter(xsltSource);
- }
-
- /**
- * Creates from the transformer an instance of an XMLFilter which
- * then can be used in a chain with the XMLReader passed to Driver. This way
- * during the conversion of the xml file + xslt stylesheet the resulting
- * data is fed into Fop. This should help to avoid memory problems
- * @param xsltSource An xslt stylesheet
- * @return an XMLFilter which can be chained together with other
- * XMLReaders or XMLFilters
- * @throws FOPException if setting up the XMLFilter fails
- */
- public static XMLFilter getXMLFilter(Source xsltSource) throws FOPException {
- try {
- // Instantiate a TransformerFactory.
- TransformerFactory tFactory = TransformerFactory.newInstance();
- // Determine whether the TransformerFactory supports The use uf SAXSource
- // and SAXResult
- if (tFactory.getFeature(SAXSource.FEATURE)
- && tFactory.getFeature(SAXResult.FEATURE)) {
- // Cast the TransformerFactory to SAXTransformerFactory.
- SAXTransformerFactory saxTFactory =
- ((SAXTransformerFactory)tFactory);
- // Create an XMLFilter for each stylesheet.
- XMLFilter xmlfilter =
- saxTFactory.newXMLFilter(xsltSource);
-
- // Create an XMLReader.
- XMLReader parser = createParser();
- if (parser == null) {
- throw new FOPException("Unable to create SAX parser");
- }
-
- // xmlFilter1 uses the XMLReader as its reader.
- xmlfilter.setParent(parser);
- return xmlfilter;
- } else {
- throw new FOPException("Your parser doesn't support the "
- + "features SAXSource and SAXResult."
- + "\nMake sure you are using an XSLT engine which "
- + "supports TrAX");
- }
- } catch (FOPException fe) {
- throw fe;
- } catch (Exception ex) {
- throw new FOPException(ex);
- }
- }
-
- /**
- * @see org.apache.fop.apps.InputHandler#run(Driver)
- */
- public void run(Driver driver) throws FOPException {
- try {
- transformer.transform(xmlSource,
- new SAXResult(driver.getContentHandler()));
- } catch (Exception ex) {
- throw new FOPException(ex);
- }
- }
-
- /**
- * Sets an XSLT parameter.
- * @param name the name of the parameter
- * @param value the value of the parameter
- */
- public void setParameter(String name, Object value) {
- transformer.setParameter(name, value);
- }
-
-
-}
\ No newline at end of file
// Imported java.io classes
import java.io.File;
+// Imported TraX classes
+import javax.xml.transform.Source;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.stream.StreamSource;
+import javax.xml.transform.sax.SAXResult;
+import javax.xml.transform.sax.SAXSource;
+import javax.xml.transform.sax.SAXTransformerFactory;
+
// Imported SAX classes
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;
+import org.xml.sax.XMLFilter;
/**
* XSLTInputHandler basically takes an XML file and transforms it with an XSLT
*/
public class XSLTInputHandler extends InputHandler {
- private TraxInputHandler traxInputHandler;
+ private Transformer transformer;
+ private StreamSource xmlSource;
+ private Source xsltSource;
/**
* Constructor for files as input
* @throws FOPException if initializing the Transformer fails
*/
public XSLTInputHandler(File xmlfile, File xsltfile) throws FOPException {
- this.traxInputHandler = new TraxInputHandler(xmlfile, xsltfile);
+ this.xmlSource = new StreamSource(xmlfile);
+ this.xsltSource = new StreamSource(xsltfile);
+ initTransformer();
}
/**
* @throws FOPException if initializing the Transformer fails
*/
public XSLTInputHandler(String xmlURL, String xsltURL) throws FOPException {
- traxInputHandler = new TraxInputHandler(xmlURL, xsltURL);
+ this.xmlSource = new StreamSource(xmlURL);
+ this.xsltSource = new StreamSource(xsltURL);
+ initTransformer();
}
/**
*/
public XSLTInputHandler(InputSource xmlSource, InputSource xsltSource)
throws FOPException {
- traxInputHandler = new TraxInputHandler(xmlSource, xsltSource);
+ this.xmlSource = new StreamSource(xmlSource.getByteStream(),
+ xmlSource.getSystemId());
+ this.xsltSource = new StreamSource(xsltSource.getByteStream(),
+ xsltSource.getSystemId());
+ initTransformer();
+ }
+
+ private void initTransformer() throws FOPException {
+ try {
+ this.transformer =
+ TransformerFactory.newInstance().newTransformer(xsltSource);
+ } catch (Exception ex) {
+ throw new FOPException(ex);
+ }
}
/**
- * Get the InputSource.
- * @return the InputSource
- * @deprecated Use TraxInputHandler run(Driver driver) instead.
+ * @see org.apache.fop.apps.InputHandler#getInputSource()
*/
public InputSource getInputSource() {
- return traxInputHandler.getInputSource();
+ InputSource is = new InputSource();
+ is.setByteStream(xmlSource.getInputStream());
+ is.setSystemId(xmlSource.getSystemId());
+ return is;
}
/**
- * Get the parser, actually an XML filter.
+ * Overwrites this method of the super class and returns an XMLFilter
+ * instead of a simple XMLReader which allows chaining of transformations.
* @see org.apache.fop.apps.InputHandler#getParser()
- * @deprecated Use TraxInputHandler run(Driver driver) instead.
*/
public XMLReader getParser() throws FOPException {
- return traxInputHandler.getParser();
+ return getXMLFilter(xsltSource);
+ }
+
+ /**
+ * Creates from the transformer an instance of an XMLFilter which
+ * then can be used in a chain with the XMLReader passed to Driver. This way
+ * during the conversion of the xml file + xslt stylesheet the resulting
+ * data is fed into Fop. This should help to avoid memory problems
+ * @param xsltSource An xslt stylesheet
+ * @return an XMLFilter which can be chained together with other
+ * XMLReaders or XMLFilters
+ * @throws FOPException if setting up the XMLFilter fails
+ */
+ public static XMLFilter getXMLFilter(Source xsltSource) throws FOPException {
+ try {
+ // Instantiate a TransformerFactory.
+ TransformerFactory tFactory = TransformerFactory.newInstance();
+ // Determine whether the TransformerFactory supports The use uf SAXSource
+ // and SAXResult
+ if (tFactory.getFeature(SAXSource.FEATURE)
+ && tFactory.getFeature(SAXResult.FEATURE)) {
+ // Cast the TransformerFactory to SAXTransformerFactory.
+ SAXTransformerFactory saxTFactory =
+ ((SAXTransformerFactory)tFactory);
+ // Create an XMLFilter for each stylesheet.
+ XMLFilter xmlfilter =
+ saxTFactory.newXMLFilter(xsltSource);
+
+ // Create an XMLReader.
+ XMLReader parser = createParser();
+ if (parser == null) {
+ throw new FOPException("Unable to create SAX parser");
+ }
+
+ // xmlFilter1 uses the XMLReader as its reader.
+ xmlfilter.setParent(parser);
+ return xmlfilter;
+ } else {
+ throw new FOPException("Your parser doesn't support the "
+ + "features SAXSource and SAXResult."
+ + "\nMake sure you are using an XSLT engine which "
+ + "supports TrAX");
+ }
+ } catch (FOPException fe) {
+ throw fe;
+ } catch (Exception ex) {
+ throw new FOPException(ex);
+ }
}
/**
* @see org.apache.fop.apps.InputHandler#run(Driver)
*/
public void run(Driver driver) throws FOPException {
- traxInputHandler.run(driver);
+ try {
+ transformer.transform(xmlSource,
+ new SAXResult(driver.getContentHandler()));
+ } catch (Exception ex) {
+ throw new FOPException(ex);
+ }
}
/**
* @param value the value of the parameter
*/
public void setParameter(String name, Object value) {
- traxInputHandler.setParameter(name, value);
+ transformer.setParameter(name, value);
}
}
-
projects / xmlgraphics-fop.git / commitdiff