| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2001-2002 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, 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 acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "The Jakarta Project", "Ant", 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 names without prior written |
| * permission of the Apache Group. |
| * |
| * 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 (INCLUDING, 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. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| package org.eclipse.wst.xml.resolver.tools.tests.internal; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| |
| import org.xml.sax.InputSource; |
| import org.xml.sax.EntityResolver; |
| import org.xml.sax.XMLReader; |
| |
| import javax.xml.parsers.SAXParserFactory; |
| |
| import javax.xml.transform.TransformerFactory; |
| import javax.xml.transform.Transformer; |
| import javax.xml.transform.TransformerException; |
| import javax.xml.transform.Templates; |
| |
| import javax.xml.transform.ErrorListener; |
| import javax.xml.transform.stream.StreamResult; |
| import javax.xml.transform.stream.StreamSource; |
| import javax.xml.transform.Source; |
| import javax.xml.transform.URIResolver; |
| |
| import javax.xml.transform.sax.SAXSource; |
| |
| /** |
| * Concrete liaison for XSLT processor implementing TraX. (ie JAXP 1.1) |
| * |
| * @author <a href="mailto:rubys@us.ibm.com">Sam Ruby</a> |
| * @author <a href="mailto:dims@yahoo.com">Davanum Srinivas</a> |
| * @author <a href="mailto:sbailliez@apache.org">Stephane Bailliez</a> |
| * @since Ant 1.3 |
| */ |
| public class TraXLiaison implements XSLTLiaison, ErrorListener { |
| |
| /** The trax TransformerFactory */ |
| private TransformerFactory tfactory = null; |
| |
| /** stylesheet stream, close it asap */ |
| private FileInputStream xslStream = null; |
| |
| /** Stylesheet template */ |
| private Templates templates = null; |
| |
| /** transformer */ |
| private Transformer transformer = null; |
| |
| /** possible resolver for publicIds */ |
| private EntityResolver entityResolver; |
| |
| /** possible resolver for URIs */ |
| private URIResolver uriResolver; |
| |
| public TraXLiaison() throws Exception { |
| tfactory = TransformerFactory.newInstance(); |
| tfactory.setErrorListener(this); |
| } |
| |
| /** |
| * Set the output property for the current transformer. |
| * Note that the stylesheet must be set prior to calling |
| * this method. |
| * @param name the output property name. |
| * @param value the output property value. |
| */ |
| public void setOutputProperty(String name, String value) { |
| if (transformer == null) { |
| throw new IllegalStateException("stylesheet must be set prior to setting the output properties"); |
| } |
| transformer.setOutputProperty(name, value); |
| } |
| |
| //------------------- IMPORTANT |
| // 1) Don't use the StreamSource(File) ctor. It won't work with |
| // xalan prior to 2.2 because of systemid bugs. |
| |
| // 2) Use a stream so that you can close it yourself quickly |
| // and avoid keeping the handle until the object is garbaged. |
| // (always keep control), otherwise you won't be able to delete |
| // the file quickly on windows. |
| |
| // 3) Always set the systemid to the source for imports, includes... |
| // in xsl and xml... |
| |
| public void setStylesheet(File stylesheet) throws Exception { |
| xslStream = new FileInputStream(stylesheet); |
| StreamSource src = new StreamSource(xslStream); |
| src.setSystemId(getSystemId(stylesheet)); |
| templates = tfactory.newTemplates(src); |
| transformer = templates.newTransformer(); |
| transformer.setErrorListener(this); |
| } |
| |
| public void transform(File infile, File outfile) throws Exception { |
| FileInputStream fis = null; |
| FileOutputStream fos = null; |
| try { |
| fis = new FileInputStream(infile); |
| fos = new FileOutputStream(outfile); |
| // FIXME: need to use a SAXSource as the source for the transform |
| // so we can plug in our own entity resolver |
| Source src = null; |
| if (entityResolver != null) { |
| if (tfactory.getFeature(SAXSource.FEATURE)) { |
| SAXParserFactory spFactory = SAXParserFactory.newInstance(); |
| spFactory.setNamespaceAware(true); |
| XMLReader reader = spFactory.newSAXParser().getXMLReader(); |
| reader.setEntityResolver(entityResolver); |
| src = new SAXSource(reader, new InputSource(fis)); |
| } else { |
| throw new IllegalStateException( |
| "xcatalog specified, but " |
| + "parser doesn't support SAX"); |
| } |
| } else { |
| src = new StreamSource(fis); |
| } |
| src.setSystemId(getSystemId(infile)); |
| StreamResult res = new StreamResult(fos); |
| // not sure what could be the need of this... |
| res.setSystemId(getSystemId(outfile)); |
| |
| if (uriResolver != null) |
| transformer.setURIResolver(uriResolver); |
| |
| transformer.transform(src, res); |
| } finally { |
| // make sure to close all handles, otherwise the garbage |
| // collector will close them...whenever possible and |
| // Windows may complain about not being able to delete files. |
| try { |
| if (xslStream != null) { |
| xslStream.close(); |
| } |
| } catch (IOException ignored) { |
| } |
| try { |
| if (fis != null) { |
| fis.close(); |
| } |
| } catch (IOException ignored) { |
| } |
| try { |
| if (fos != null) { |
| fos.close(); |
| } |
| } catch (IOException ignored) { |
| } |
| } |
| } |
| |
| // make sure that the systemid is made of '/' and not '\' otherwise |
| // crimson will complain that it cannot resolve relative entities |
| // because it grabs the base uri via lastIndexOf('/') without |
| // making sure it is really a /'ed path |
| protected String getSystemId(File file) { |
| String path = file.getAbsolutePath(); |
| path = path.replace('\\', '/'); |
| |
| // on Windows, use 'file:///' |
| if (File.separatorChar == '\\') { |
| return FILE_PROTOCOL_PREFIX + "/" + path; |
| } |
| // Unix, use 'file://' |
| return FILE_PROTOCOL_PREFIX + path; |
| } |
| |
| public void addParam(String name, String value) { |
| transformer.setParameter(name, value); |
| } |
| |
| public void error(TransformerException e) { |
| logError(e, "Error"); |
| } |
| |
| public void fatalError(TransformerException e) { |
| logError(e, "Fatal Error"); |
| } |
| |
| public void warning(TransformerException e) { |
| logError(e, "Warning"); |
| } |
| |
| private void logError(TransformerException e, String type) { |
| |
| StringBuffer msg = new StringBuffer(); |
| if (e.getLocator() != null) { |
| if (e.getLocator().getSystemId() != null) { |
| String url = e.getLocator().getSystemId(); |
| if (url.startsWith("file:///")) { |
| url = url.substring(8); |
| } |
| msg.append(url); |
| } else { |
| msg.append("Unknown file"); |
| } |
| if (e.getLocator().getLineNumber() != -1) { |
| msg.append(":" + e.getLocator().getLineNumber()); |
| if (e.getLocator().getColumnNumber() != -1) { |
| msg.append(":" + e.getLocator().getColumnNumber()); |
| } |
| } |
| } |
| msg.append(": " + type + "! "); |
| msg.append(e.getMessage()); |
| if (e.getCause() != null) { |
| msg.append(" Cause: " + e.getCause()); |
| } |
| |
| System.out.println(msg.toString()); |
| } |
| |
| /** Set the class to resolve entities during the transformation |
| */ |
| public void setEntityResolver(EntityResolver aResolver) { |
| entityResolver = aResolver; |
| } |
| |
| /** Set the class to resolve URIs during the transformation |
| */ |
| public void setURIResolver(URIResolver aResolver) { |
| uriResolver = aResolver; |
| tfactory.setURIResolver(aResolver); |
| } |
| |
| } //-- TraXLiaison |