- /*
- * Copyright 2001-2004 The Apache Software Foundation.
- *
- * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
- /*
- * $Id: TransformerFactoryImpl.java,v 1.73 2004/02/23 10:29:36 aruny Exp $
- */
-
- package com.sun.org.apache.xalan.internal.xsltc.trax;
-
- import java.io.File;
- import java.io.FileInputStream;
- import java.io.FileNotFoundException;
- import java.io.FilenameFilter;
- import java.io.IOException;
- import java.io.InputStream;
- import java.net.MalformedURLException;
- import java.net.URL;
- import java.util.Enumeration;
- import java.util.Hashtable;
- import java.util.Properties;
- import java.util.Vector;
- import java.util.zip.ZipEntry;
- import java.util.zip.ZipFile;
-
- import javax.xml.XMLConstants;
-
- import javax.xml.parsers.SAXParserFactory;
- import javax.xml.parsers.SAXParser;
- import javax.xml.parsers.ParserConfigurationException;
-
- import javax.xml.transform.ErrorListener;
- import javax.xml.transform.Source;
- import javax.xml.transform.Templates;
- import javax.xml.transform.Transformer;
- import javax.xml.transform.TransformerConfigurationException;
- import javax.xml.transform.TransformerException;
- import javax.xml.transform.URIResolver;
- import javax.xml.transform.dom.DOMResult;
- import javax.xml.transform.dom.DOMSource;
- import javax.xml.transform.sax.SAXResult;
- import javax.xml.transform.sax.SAXSource;
- import javax.xml.transform.sax.SAXTransformerFactory;
- import javax.xml.transform.sax.TemplatesHandler;
- import javax.xml.transform.sax.TransformerHandler;
- import javax.xml.transform.stream.StreamResult;
- import javax.xml.transform.stream.StreamSource;
-
- import com.sun.org.apache.xml.internal.utils.StylesheetPIHandler;
- import com.sun.org.apache.xml.internal.utils.StopParseException;
-
- import com.sun.org.apache.xalan.internal.xsltc.compiler.SourceLoader;
- import com.sun.org.apache.xalan.internal.xsltc.compiler.XSLTC;
- import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ErrorMsg;
- import com.sun.org.apache.xalan.internal.xsltc.dom.XSLTCDTMManager;
-
- import org.xml.sax.InputSource;
- import org.xml.sax.XMLFilter;
- import org.xml.sax.XMLReader;
- import org.xml.sax.helpers.XMLReaderFactory;
-
- /**
- * Implementation of a JAXP1.1 TransformerFactory for Translets.
- */
- public class TransformerFactoryImpl
- extends SAXTransformerFactory implements SourceLoader, ErrorListener
- {
- /**
- * <p>Name of class as a constant to use for debugging.</p>
- */
- private static final String CLASS_NAME = "TransformerFactoryImpl";
-
- // Public constants for attributes supported by the XSLTC TransformerFactory.
- public final static String TRANSLET_NAME = "translet-name";
- public final static String DESTINATION_DIRECTORY = "destination-directory";
- public final static String PACKAGE_NAME = "package-name";
- public final static String JAR_NAME = "jar-name";
- public final static String GENERATE_TRANSLET = "generate-translet";
- public final static String AUTO_TRANSLET = "auto-translet";
- public final static String USE_CLASSPATH = "use-classpath";
- public final static String DEBUG = "debug";
- public final static String ENABLE_INLINING = "enable-inlining";
- public final static String INDENT_NUMBER = "indent-number";
-
- /**
- * This error listener is used only for this factory and is not passed to
- * the Templates or Transformer objects that we create.
- */
- private ErrorListener _errorListener = this;
-
- /**
- * This URIResolver is passed to all created Templates and Transformers
- */
- private URIResolver _uriResolver = null;
-
- /**
- * As Gregor Samsa awoke one morning from uneasy dreams he found himself
- * transformed in his bed into a gigantic insect. He was lying on his hard,
- * as it were armour plated, back, and if he lifted his head a little he
- * could see his big, brown belly divided into stiff, arched segments, on
- * top of which the bed quilt could hardly keep in position and was about
- * to slide off completely. His numerous legs, which were pitifully thin
- * compared to the rest of his bulk, waved helplessly before his eyes.
- * "What has happened to me?", he thought. It was no dream....
- */
- protected static String DEFAULT_TRANSLET_NAME = "GregorSamsa";
-
- /**
- * The class name of the translet
- */
- private String _transletName = DEFAULT_TRANSLET_NAME;
-
- /**
- * The destination directory for the translet
- */
- private String _destinationDirectory = null;
-
- /**
- * The package name prefix for all generated translet classes
- */
- private String _packageName = null;
-
- /**
- * The jar file name which the translet classes are packaged into
- */
- private String _jarFileName = null;
-
- /**
- * This Hashtable is used to store parameters for locating
- * <?xml-stylesheet ...?> processing instructions in XML docs.
- */
- private Hashtable _piParams = null;
-
-
- /**
- * Use a thread local variable to store a copy of an XML Reader.
- */
- static ThreadLocal _xmlReader = new ThreadLocal();
-
- /**
- * The above hashtable stores objects of this class.
- */
- private static class PIParamWrapper {
- public String _media = null;
- public String _title = null;
- public String _charset = null;
-
- public PIParamWrapper(String media, String title, String charset) {
- _media = media;
- _title = title;
- _charset = charset;
- }
- }
-
- /**
- * Set to <code>true</code> when debugging is enabled.
- */
- private boolean _debug = false;
-
- /**
- * Set to <code>true</code> when templates are inlined.
- */
- private boolean _enableInlining = false;
-
- /**
- * Set to <code>true</code> when we want to generate
- * translet classes from the stylesheet.
- */
- private boolean _generateTranslet = false;
-
- /**
- * If this is set to <code>true</code>, we attempt to use translet classes
- * for transformation if possible without compiling the stylesheet. The
- * translet class is only used if its timestamp is newer than the timestamp
- * of the stylesheet.
- */
- private boolean _autoTranslet = false;
-
- /**
- * If this is set to <code>true</code>, we attempt to load the translet
- * from the CLASSPATH.
- */
- private boolean _useClasspath = false;
-
- /**
- * Number of indent spaces when indentation is turned on.
- */
- private int _indentNumber = -1;
-
- /**
- * The provider of the XSLTC DTM Manager service. This is fixed for any
- * instance of this class. In order to change service providers, a new
- * XSLTC <code>TransformerFactory</code> must be instantiated.
- * @see XSLTCDTMManager#getDTMManagerClass()
- */
- private Class m_DTMManagerClass;
-
- /**
- * <p>State of secure processing feature.</p>
- */
- private boolean featureSecureProcessing = false;
-
- /**
- * javax.xml.transform.sax.TransformerFactory implementation.
- */
- public TransformerFactoryImpl() {
- m_DTMManagerClass = XSLTCDTMManager.getDTMManagerClass();
- }
-
- /**
- * javax.xml.transform.sax.TransformerFactory implementation.
- * Set the error event listener for the TransformerFactory, which is used
- * for the processing of transformation instructions, and not for the
- * transformation itself.
- *
- * @param listener The error listener to use with the TransformerFactory
- * @throws IllegalArgumentException
- */
- public void setErrorListener(ErrorListener listener)
- throws IllegalArgumentException
- {
- if (listener == null) {
- ErrorMsg err = new ErrorMsg(ErrorMsg.ERROR_LISTENER_NULL_ERR,
- "TransformerFactory");
- throw new IllegalArgumentException(err.toString());
- }
- _errorListener = listener;
- }
-
- /**
- * javax.xml.transform.sax.TransformerFactory implementation.
- * Get the error event handler for the TransformerFactory.
- *
- * @return The error listener used with the TransformerFactory
- */
- public ErrorListener getErrorListener() {
- return _errorListener;
- }
-
- /**
- * javax.xml.transform.sax.TransformerFactory implementation.
- * Returns the value set for a TransformerFactory attribute
- *
- * @param name The attribute name
- * @return An object representing the attribute value
- * @throws IllegalArgumentException
- */
- public Object getAttribute(String name)
- throws IllegalArgumentException
- {
- // Return value for attribute 'translet-name'
- if (name.equals(TRANSLET_NAME)) {
- return _transletName;
- }
- else if (name.equals(GENERATE_TRANSLET)) {
- return new Boolean(_generateTranslet);
- }
- else if (name.equals(AUTO_TRANSLET)) {
- return new Boolean(_autoTranslet);
- }
-
- // Throw an exception for all other attributes
- ErrorMsg err = new ErrorMsg(ErrorMsg.JAXP_INVALID_ATTR_ERR, name);
- throw new IllegalArgumentException(err.toString());
- }
-
- /**
- * javax.xml.transform.sax.TransformerFactory implementation.
- * Sets the value for a TransformerFactory attribute.
- *
- * @param name The attribute name
- * @param value An object representing the attribute value
- * @throws IllegalArgumentException
- */
- public void setAttribute(String name, Object value)
- throws IllegalArgumentException
- {
- // Set the default translet name (ie. class name), which will be used
- // for translets that cannot be given a name from their system-id.
- if (name.equals(TRANSLET_NAME) && value instanceof String) {
- _transletName = (String) value;
- return;
- }
- else if (name.equals(DESTINATION_DIRECTORY) && value instanceof String) {
- _destinationDirectory = (String) value;
- return;
- }
- else if (name.equals(PACKAGE_NAME) && value instanceof String) {
- _packageName = (String) value;
- return;
- }
- else if (name.equals(JAR_NAME) && value instanceof String) {
- _jarFileName = (String) value;
- return;
- }
- else if (name.equals(GENERATE_TRANSLET)) {
- if (value instanceof Boolean) {
- _generateTranslet = ((Boolean) value).booleanValue();
- return;
- }
- else if (value instanceof String) {
- _generateTranslet = ((String) value).equalsIgnoreCase("true");
- return;
- }
- }
- else if (name.equals(AUTO_TRANSLET)) {
- if (value instanceof Boolean) {
- _autoTranslet = ((Boolean) value).booleanValue();
- return;
- }
- else if (value instanceof String) {
- _autoTranslet = ((String) value).equalsIgnoreCase("true");
- return;
- }
- }
- else if (name.equals(USE_CLASSPATH)) {
- if (value instanceof Boolean) {
- _useClasspath = ((Boolean) value).booleanValue();
- return;
- }
- else if (value instanceof String) {
- _useClasspath = ((String) value).equalsIgnoreCase("true");
- return;
- }
- }
- else if (name.equals(DEBUG)) {
- if (value instanceof Boolean) {
- _debug = ((Boolean) value).booleanValue();
- return;
- }
- else if (value instanceof String) {
- _debug = ((String) value).equalsIgnoreCase("true");
- return;
- }
- }
- else if (name.equals(ENABLE_INLINING)) {
- if (value instanceof Boolean) {
- _enableInlining = ((Boolean) value).booleanValue();
- return;
- }
- else if (value instanceof String) {
- _enableInlining = ((String) value).equalsIgnoreCase("true");
- return;
- }
- }
- else if (name.equals(INDENT_NUMBER)) {
- if (value instanceof String) {
- try {
- _indentNumber = Integer.parseInt((String) value);
- return;
- }
- catch (NumberFormatException e) {
- // Falls through
- }
- }
- else if (value instanceof Integer) {
- _indentNumber = ((Integer) value).intValue();
- return;
- }
- }
-
- // Throw an exception for all other attributes
- final ErrorMsg err
- = new ErrorMsg(ErrorMsg.JAXP_INVALID_ATTR_ERR, name);
- throw new IllegalArgumentException(err.toString());
- }
-
- /**
- * <p>Set a feature for this <code>TransformerFactory</code> and <code>Transformer</code>s
- * or <code>Template</code>s created by this factory.</p>
- *
- * <p>
- * Feature names are fully qualified {@link java.net.URI}s.
- * Implementations may define their own features.
- * An {@link TransformerConfigurationException} is thrown if this <code>TransformerFactory</code> or the
- * <code>Transformer</code>s or <code>Template</code>s it creates cannot support the feature.
- * It is possible for an <code>TransformerFactory</code> to expose a feature value but be unable to change its state.
- * </p>
- *
- * <p>See {@link javax.xml.transform.TransformerFactory} for full documentation of specific features.</p>
- *
- * @param name Feature name.
- * @param value Is feature state <code>true</code> or <code>false</code>.
- *
- * @throws TransformerConfigurationException if this <code>TransformerFactory</code>
- * or the <code>Transformer</code>s or <code>Template</code>s it creates cannot support this feature.
- * @throws NullPointerException If the <code>name</code> parameter is null.
- */
- public void setFeature(String name, boolean value)
- throws TransformerConfigurationException {
-
- // feature name cannot be null
- if (name == null) {
- throw new NullPointerException(
- "Trying to set a feature with a null name: "
- + CLASS_NAME + "#setFeature(null, " + value + ")"
- );
- }
-
- // secure processing?
- if (name.equals(XMLConstants.FEATURE_SECURE_PROCESSING)) {
- featureSecureProcessing = value;
-
- // all done processing feature
- return;
- }
-
- // unknown feature
- throw new TransformerConfigurationException(
- "Trying to set the unknown feature \"" + name + "\": "
- + CLASS_NAME + "#setFeature(" + name + ", " + value + ")"
- );
-
- }
-
- /**
- * javax.xml.transform.sax.TransformerFactory implementation.
- * Look up the value of a feature (to see if it is supported).
- * This method must be updated as the various methods and features of this
- * class are implemented.
- *
- * @param name The feature name
- * @return 'true' if feature is supported, 'false' if not
- */
- public boolean getFeature(String name) {
- // All supported features should be listed here
- String[] features = {
- DOMSource.FEATURE,
- DOMResult.FEATURE,
- SAXSource.FEATURE,
- SAXResult.FEATURE,
- StreamSource.FEATURE,
- StreamResult.FEATURE,
- SAXTransformerFactory.FEATURE,
- SAXTransformerFactory.FEATURE_XMLFILTER
- };
-
- // feature name cannot be null
- if (name == null) {
- throw new NullPointerException(
- "Trying to get a feature with a null name: "
- + CLASS_NAME
- + "#getFeature(null)");
- }
-
- // Inefficient, but array is small
- for (int i =0; i < features.length; i++) {
- if (name.equals(features[i])) {
- return true;
- }
- }
-
- // secure processing?
- if (name.equals(XMLConstants.FEATURE_SECURE_PROCESSING)) {
- return featureSecureProcessing;
- }
-
- // Feature not supported
- return false;
- }
-
- /**
- * javax.xml.transform.sax.TransformerFactory implementation.
- * Get the object that is used by default during the transformation to
- * resolve URIs used in document(), xsl:import, or xsl:include.
- *
- * @return The URLResolver used for this TransformerFactory and all
- * Templates and Transformer objects created using this factory
- */
- public URIResolver getURIResolver() {
- return _uriResolver;
- }
-
- /**
- * javax.xml.transform.sax.TransformerFactory implementation.
- * Set the object that is used by default during the transformation to
- * resolve URIs used in document(), xsl:import, or xsl:include. Note that
- * this does not affect Templates and Transformers that are already
- * created with this factory.
- *
- * @param resolver The URLResolver used for this TransformerFactory and all
- * Templates and Transformer objects created using this factory
- */
- public void setURIResolver(URIResolver resolver) {
- _uriResolver = resolver;
- }
-
- /**
- * javax.xml.transform.sax.TransformerFactory implementation.
- * Get the stylesheet specification(s) associated via the xml-stylesheet
- * processing instruction (see http://www.w3.org/TR/xml-stylesheet/) with
- * the document document specified in the source parameter, and that match
- * the given criteria.
- *
- * @param source The XML source document.
- * @param media The media attribute to be matched. May be null, in which
- * case the prefered templates will be used (i.e. alternate = no).
- * @param title The value of the title attribute to match. May be null.
- * @param charset The value of the charset attribute to match. May be null.
- * @return A Source object suitable for passing to the TransformerFactory.
- * @throws TransformerConfigurationException
- */
- public Source getAssociatedStylesheet(Source source, String media,
- String title, String charset)
- throws TransformerConfigurationException {
-
- String baseId;
- XMLReader reader = null;
- InputSource isource = null;
-
-
- /**
- * Fix for bugzilla bug 24187
- */
- StylesheetPIHandler _stylesheetPIHandler = new StylesheetPIHandler(null,media,title,charset);
-
- try {
-
- if (source instanceof DOMSource ) {
- final DOMSource domsrc = (DOMSource) source;
- baseId = domsrc.getSystemId();
- final org.w3c.dom.Node node = domsrc.getNode();
- final DOM2SAX dom2sax = new DOM2SAX(node);
-
- _stylesheetPIHandler.setBaseId(baseId);
-
- dom2sax.setContentHandler( _stylesheetPIHandler);
- dom2sax.parse();
- } else {
- isource = SAXSource.sourceToInputSource(source);
- baseId = isource.getSystemId();
-
- SAXParserFactory factory = SAXParserFactory.newInstance();
- factory.setNamespaceAware(true);
- SAXParser jaxpParser = factory.newSAXParser();
-
- reader = jaxpParser.getXMLReader();
- if (reader == null) {
- reader = XMLReaderFactory.createXMLReader();
- }
-
- _stylesheetPIHandler.setBaseId(baseId);
- reader.setContentHandler(_stylesheetPIHandler);
- reader.parse(isource);
-
- }
-
- if (_uriResolver != null ) {
- _stylesheetPIHandler.setURIResolver(_uriResolver);
- }
-
- } catch (StopParseException e ) {
- // startElement encountered so do not parse further
-
- } catch (javax.xml.parsers.ParserConfigurationException e) {
-
- throw new TransformerConfigurationException(
- "getAssociatedStylesheets failed", e);
-
- } catch (org.xml.sax.SAXException se) {
-
- throw new TransformerConfigurationException(
- "getAssociatedStylesheets failed", se);
-
-
- } catch (IOException ioe ) {
- throw new TransformerConfigurationException(
- "getAssociatedStylesheets failed", ioe);
-
- }
-
- return _stylesheetPIHandler.getAssociatedStylesheet();
-
- }
-
- /**
- * javax.xml.transform.sax.TransformerFactory implementation.
- * Create a Transformer object that copies the input document to the result.
- *
- * @return A Transformer object that simply copies the source to the result.
- * @throws TransformerConfigurationException
- */
- public Transformer newTransformer()
- throws TransformerConfigurationException
- {
- TransformerImpl result = new TransformerImpl(new Properties(),
- _indentNumber, this);
- if (_uriResolver != null) {
- result.setURIResolver(_uriResolver);
- }
- return result;
- }
-
- /**
- * javax.xml.transform.sax.TransformerFactory implementation.
- * Process the Source into a Templates object, which is a a compiled
- * representation of the source. Note that this method should not be
- * used with XSLTC, as the time-consuming compilation is done for each
- * and every transformation.
- *
- * @return A Templates object that can be used to create Transformers.
- * @throws TransformerConfigurationException
- */
- public Transformer newTransformer(Source source) throws
- TransformerConfigurationException
- {
- final Templates templates = newTemplates(source);
- final Transformer transformer = templates.newTransformer();
- if (_uriResolver != null) {
- transformer.setURIResolver(_uriResolver);
- }
- return(transformer);
- }
-
- /**
- * Pass warning messages from the compiler to the error listener
- */
- private void passWarningsToListener(Vector messages)
- throws TransformerException
- {
- if (_errorListener == null || messages == null) {
- return;
- }
- // Pass messages to listener, one by one
- final int count = messages.size();
- for (int pos = 0; pos < count; pos++) {
- String message = messages.elementAt(pos).toString();
- _errorListener.error(
- new TransformerConfigurationException(message));
- }
- }
-
- /**
- * Pass error messages from the compiler to the error listener
- */
- private void passErrorsToListener(Vector messages) {
- try {
- if (_errorListener == null || messages == null) {
- return;
- }
- // Pass messages to listener, one by one
- final int count = messages.size();
- for (int pos = 0; pos < count; pos++) {
- String message = messages.elementAt(pos).toString();
- _errorListener.error(new TransformerException(message));
- }
- }
- catch (TransformerException e) {
- // nada
- }
- }
-
- /**
- * javax.xml.transform.sax.TransformerFactory implementation.
- * Process the Source into a Templates object, which is a a compiled
- * representation of the source.
- *
- * @param stylesheet The input stylesheet - DOMSource not supported!!!
- * @return A Templates object that can be used to create Transformers.
- * @throws TransformerConfigurationException
- */
- public Templates newTemplates(Source source)
- throws TransformerConfigurationException
- {
- // If the _useClasspath attribute is true, try to load the translet from
- // the CLASSPATH and create a template object using the loaded
- // translet.
- if (_useClasspath) {
- String transletName = getTransletBaseName(source);
-
- if (_packageName != null)
- transletName = _packageName + "." + transletName;
-
- try {
- final Class clazz = ObjectFactory.findProviderClass(
- transletName, ObjectFactory.findClassLoader(), true);
- resetTransientAttributes();
-
- return new TemplatesImpl(new Class[]{clazz}, transletName, null, _indentNumber, this);
- }
- catch (ClassNotFoundException cnfe) {
- ErrorMsg err = new ErrorMsg(ErrorMsg.CLASS_NOT_FOUND_ERR, transletName);
- throw new TransformerConfigurationException(err.toString());
- }
- catch (Exception e) {
- ErrorMsg err = new ErrorMsg(
- new ErrorMsg(ErrorMsg.RUNTIME_ERROR_KEY)
- + e.getMessage());
- throw new TransformerConfigurationException(err.toString());
- }
- }
-
- // If _autoTranslet is true, we will try to load the bytecodes
- // from the translet classes without compiling the stylesheet.
- if (_autoTranslet) {
- byte[][] bytecodes = null;
- String transletClassName = getTransletBaseName(source);
-
- if (_packageName != null)
- transletClassName = _packageName + "." + transletClassName;
-
- if (_jarFileName != null)
- bytecodes = getBytecodesFromJar(source, transletClassName);
- else
- bytecodes = getBytecodesFromClasses(source, transletClassName);
-
- if (bytecodes != null) {
- if (_debug) {
- if (_jarFileName != null)
- System.err.println(new ErrorMsg(
- ErrorMsg.TRANSFORM_WITH_JAR_STR, transletClassName, _jarFileName));
- else
- System.err.println(new ErrorMsg(
- ErrorMsg.TRANSFORM_WITH_TRANSLET_STR, transletClassName));
- }
-
- // Reset the per-session attributes to their default values
- // after each newTemplates() call.
- resetTransientAttributes();
-
- return new TemplatesImpl(bytecodes, transletClassName, null, _indentNumber, this);
- }
- }
-
- // Create and initialize a stylesheet compiler
- final XSLTC xsltc = new XSLTC();
- if (_debug) xsltc.setDebug(true);
- if (_enableInlining) xsltc.setTemplateInlining(true);
- xsltc.init();
-
- // Set a document loader (for xsl:include/import) if defined
- if (_uriResolver != null) {
- xsltc.setSourceLoader(this);
- }
-
- // Pass parameters to the Parser to make sure it locates the correct
- // <?xml-stylesheet ...?> PI in an XML input document
- if ((_piParams != null) && (_piParams.get(source) != null)) {
- // Get the parameters for this Source object
- PIParamWrapper p = (PIParamWrapper)_piParams.get(source);
- // Pass them on to the compiler (which will pass then to the parser)
- if (p != null) {
- xsltc.setPIParameters(p._media, p._title, p._charset);
- }
- }
-
- // Set the attributes for translet generation
- int outputType = XSLTC.BYTEARRAY_OUTPUT;
- if (_generateTranslet || _autoTranslet) {
- // Set the translet name
- xsltc.setClassName(getTransletBaseName(source));
-
- if (_destinationDirectory != null)
- xsltc.setDestDirectory(_destinationDirectory);
- else {
- String xslName = getStylesheetFileName(source);
- if (xslName != null) {
- File xslFile = new File(xslName);
- String xslDir = xslFile.getParent();
-
- if (xslDir != null)
- xsltc.setDestDirectory(xslDir);
- }
- }
-
- if (_packageName != null)
- xsltc.setPackageName(_packageName);
-
- if (_jarFileName != null) {
- xsltc.setJarFileName(_jarFileName);
- outputType = XSLTC.BYTEARRAY_AND_JAR_OUTPUT;
- }
- else
- outputType = XSLTC.BYTEARRAY_AND_FILE_OUTPUT;
- }
-
- // Compile the stylesheet
- final InputSource input = Util.getInputSource(xsltc, source);
- byte[][] bytecodes = xsltc.compile(null, input, outputType);
- final String transletName = xsltc.getClassName();
-
- // Output to the jar file if the jar file name is set.
- if ((_generateTranslet || _autoTranslet)
- && bytecodes != null && _jarFileName != null) {
- try {
- xsltc.outputToJar();
- }
- catch (java.io.IOException e) { }
- }
-
- // Reset the per-session attributes to their default values
- // after each newTemplates() call.
- resetTransientAttributes();
-
- // Pass compiler warnings to the error listener
- if (_errorListener != this) {
- try {
- passWarningsToListener(xsltc.getWarnings());
- }
- catch (TransformerException e) {
- throw new TransformerConfigurationException(e);
- }
- }
- else {
- xsltc.printWarnings();
- }
-
- // Check that the transformation went well before returning
- if (bytecodes == null) {
-
- ErrorMsg err = new ErrorMsg(ErrorMsg.JAXP_COMPILE_ERR);
- TransformerConfigurationException exc = new TransformerConfigurationException(err.toString());
-
- // Pass compiler errors to the error listener
- if (_errorListener != null) {
- passErrorsToListener(xsltc.getErrors());
-
- // As required by TCK 1.2, send a fatalError to the
- // error listener because compilation of the stylesheet
- // failed and no further processing will be possible.
- try {
- _errorListener.fatalError(exc);
- } catch (TransformerException te) {
- // well, we tried.
- }
- }
- else {
- xsltc.printErrors();
- }
- throw exc;
- }
-
- return new TemplatesImpl(bytecodes, transletName,
- xsltc.getOutputProperties(), _indentNumber, this);
- }
-
- /**
- * javax.xml.transform.sax.SAXTransformerFactory implementation.
- * Get a TemplatesHandler object that can process SAX ContentHandler
- * events into a Templates object.
- *
- * @return A TemplatesHandler object that can handle SAX events
- * @throws TransformerConfigurationException
- */
- public TemplatesHandler newTemplatesHandler()
- throws TransformerConfigurationException
- {
- final TemplatesHandlerImpl handler =
- new TemplatesHandlerImpl(_indentNumber, this);
- if (_uriResolver != null) {
- handler.setURIResolver(_uriResolver);
- }
- return handler;
- }
-
- /**
- * javax.xml.transform.sax.SAXTransformerFactory implementation.
- * Get a TransformerHandler object that can process SAX ContentHandler
- * events into a Result. This method will return a pure copy transformer.
- *
- * @return A TransformerHandler object that can handle SAX events
- * @throws TransformerConfigurationException
- */
- public TransformerHandler newTransformerHandler()
- throws TransformerConfigurationException
- {
- final Transformer transformer = newTransformer();
- if (_uriResolver != null) {
- transformer.setURIResolver(_uriResolver);
- }
- return new TransformerHandlerImpl((TransformerImpl) transformer);
- }
-
- /**
- * javax.xml.transform.sax.SAXTransformerFactory implementation.
- * Get a TransformerHandler object that can process SAX ContentHandler
- * events into a Result, based on the transformation instructions
- * specified by the argument.
- *
- * @param src The source of the transformation instructions.
- * @return A TransformerHandler object that can handle SAX events
- * @throws TransformerConfigurationException
- */
- public TransformerHandler newTransformerHandler(Source src)
- throws TransformerConfigurationException
- {
- final Transformer transformer = newTransformer(src);
- if (_uriResolver != null) {
- transformer.setURIResolver(_uriResolver);
- }
- return new TransformerHandlerImpl((TransformerImpl) transformer);
- }
-
- /**
- * javax.xml.transform.sax.SAXTransformerFactory implementation.
- * Get a TransformerHandler object that can process SAX ContentHandler
- * events into a Result, based on the transformation instructions
- * specified by the argument.
- *
- * @param templates Represents a pre-processed stylesheet
- * @return A TransformerHandler object that can handle SAX events
- * @throws TransformerConfigurationException
- */
- public TransformerHandler newTransformerHandler(Templates templates)
- throws TransformerConfigurationException
- {
- final Transformer transformer = templates.newTransformer();
- final TransformerImpl internal = (TransformerImpl)transformer;
- return new TransformerHandlerImpl(internal);
- }
-
- /**
- * javax.xml.transform.sax.SAXTransformerFactory implementation.
- * Create an XMLFilter that uses the given source as the
- * transformation instructions.
- *
- * @param src The source of the transformation instructions.
- * @return An XMLFilter object, or null if this feature is not supported.
- * @throws TransformerConfigurationException
- */
- public XMLFilter newXMLFilter(Source src)
- throws TransformerConfigurationException
- {
- Templates templates = newTemplates(src);
- if (templates == null) return null;
- return newXMLFilter(templates);
- }
-
- /**
- * javax.xml.transform.sax.SAXTransformerFactory implementation.
- * Create an XMLFilter that uses the given source as the
- * transformation instructions.
- *
- * @param src The source of the transformation instructions.
- * @return An XMLFilter object, or null if this feature is not supported.
- * @throws TransformerConfigurationException
- */
- public XMLFilter newXMLFilter(Templates templates)
- throws TransformerConfigurationException
- {
- try {
- return new com.sun.org.apache.xalan.internal.xsltc.trax.TrAXFilter(templates);
- }
- catch (TransformerConfigurationException e1) {
- if (_errorListener != null) {
- try {
- _errorListener.fatalError(e1);
- return null;
- }
- catch (TransformerException e2) {
- new TransformerConfigurationException(e2);
- }
- }
- throw e1;
- }
- }
-
- /**
- * Receive notification of a recoverable error.
- * The transformer must continue to provide normal parsing events after
- * invoking this method. It should still be possible for the application
- * to process the document through to the end.
- *
- * @param exception The warning information encapsulated in a transformer
- * exception.
- * @throws TransformerException if the application chooses to discontinue
- * the transformation (always does in our case).
- */
- public void error(TransformerException e)
- throws TransformerException
- {
- Throwable wrapped = e.getException();
- if (wrapped != null) {
- System.err.println(new ErrorMsg(ErrorMsg.ERROR_PLUS_WRAPPED_MSG,
- e.getMessageAndLocation(),
- wrapped.getMessage()));
- } else {
- System.err.println(new ErrorMsg(ErrorMsg.ERROR_MSG,
- e.getMessageAndLocation()));
- }
- throw e;
- }
-
- /**
- * Receive notification of a non-recoverable error.
- * The application must assume that the transformation cannot continue
- * after the Transformer has invoked this method, and should continue
- * (if at all) only to collect addition error messages. In fact,
- * Transformers are free to stop reporting events once this method has
- * been invoked.
- *
- * @param exception The warning information encapsulated in a transformer
- * exception.
- * @throws TransformerException if the application chooses to discontinue
- * the transformation (always does in our case).
- */
- public void fatalError(TransformerException e)
- throws TransformerException
- {
- Throwable wrapped = e.getException();
- if (wrapped != null) {
- System.err.println(new ErrorMsg(ErrorMsg.FATAL_ERR_PLUS_WRAPPED_MSG,
- e.getMessageAndLocation(),
- wrapped.getMessage()));
- } else {
- System.err.println(new ErrorMsg(ErrorMsg.FATAL_ERR_MSG,
- e.getMessageAndLocation()));
- }
- throw e;
- }
-
- /**
- * Receive notification of a warning.
- * Transformers can use this method to report conditions that are not
- * errors or fatal errors. The default behaviour is to take no action.
- * After invoking this method, the Transformer must continue with the
- * transformation. It should still be possible for the application to
- * process the document through to the end.
- *
- * @param exception The warning information encapsulated in a transformer
- * exception.
- * @throws TransformerException if the application chooses to discontinue
- * the transformation (never does in our case).
- */
- public void warning(TransformerException e)
- throws TransformerException
- {
- Throwable wrapped = e.getException();
- if (wrapped != null) {
- System.err.println(new ErrorMsg(ErrorMsg.WARNING_PLUS_WRAPPED_MSG,
- e.getMessageAndLocation(),
- wrapped.getMessage()));
- } else {
- System.err.println(new ErrorMsg(ErrorMsg.WARNING_MSG,
- e.getMessageAndLocation()));
- }
- }
-
- /**
- * This method implements XSLTC's SourceLoader interface. It is used to
- * glue a TrAX URIResolver to the XSLTC compiler's Input and Import classes.
- *
- * @param href The URI of the document to load
- * @param context The URI of the currently loaded document
- * @param xsltc The compiler that resuests the document
- * @return An InputSource with the loaded document
- */
- public InputSource loadSource(String href, String context, XSLTC xsltc) {
- try {
- if (_uriResolver != null) {
- final Source source = _uriResolver.resolve(href, context);
- if (source != null) {
- return Util.getInputSource(xsltc, source);
- }
- }
- }
- catch (TransformerException e) {
- // Falls through
- }
- return null;
- }
-
- /**
- * Reset the per-session attributes to their default values
- */
- private void resetTransientAttributes() {
- _transletName = DEFAULT_TRANSLET_NAME;
- _destinationDirectory = null;
- _packageName = null;
- _jarFileName = null;
- }
-
- /**
- * Load the translet classes from local .class files and return
- * the bytecode array.
- *
- * @param source The xsl source
- * @param fullClassName The full name of the translet
- * @return The bytecode array
- */
- private byte[][] getBytecodesFromClasses(Source source, String fullClassName)
- {
- if (fullClassName == null)
- return null;
-
- String xslFileName = getStylesheetFileName(source);
- File xslFile = null;
- if (xslFileName != null)
- xslFile = new File(xslFileName);
-
- // Find the base name of the translet
- final String transletName;
- int lastDotIndex = fullClassName.lastIndexOf('.');
- if (lastDotIndex > 0)
- transletName = fullClassName.substring(lastDotIndex+1);
- else
- transletName = fullClassName;
-
- // Construct the path name for the translet class file
- String transletPath = fullClassName.replace('.', '/');
- if (_destinationDirectory != null) {
- transletPath = _destinationDirectory + "/" + transletPath + ".class";
- }
- else {
- if (xslFile != null && xslFile.getParent() != null)
- transletPath = xslFile.getParent() + "/" + transletPath + ".class";
- else
- transletPath = transletPath + ".class";
- }
-
- // Return null if the translet class file does not exist.
- File transletFile = new File(transletPath);
- if (!transletFile.exists())
- return null;
-
- // Compare the timestamps of the translet and the xsl file.
- // If the translet is older than the xsl file, return null
- // so that the xsl file is used for the transformation and
- // the translet is regenerated.
- if (xslFile != null && xslFile.exists()) {
- long xslTimestamp = xslFile.lastModified();
- long transletTimestamp = transletFile.lastModified();
- if (transletTimestamp < xslTimestamp)
- return null;
- }
-
- // Load the translet into a bytecode array.
- Vector bytecodes = new Vector();
- int fileLength = (int)transletFile.length();
- if (fileLength > 0) {
- FileInputStream input = null;
- try {
- input = new FileInputStream(transletFile);
- }
- catch (FileNotFoundException e) {
- return null;
- }
-
- byte[] bytes = new byte[fileLength];
- try {
- readFromInputStream(bytes, input, fileLength);
- input.close();
- }
- catch (IOException e) {
- return null;
- }
-
- bytecodes.addElement(bytes);
- }
- else
- return null;
-
- // Find the parent directory of the translet.
- String transletParentDir = transletFile.getParent();
- if (transletParentDir == null)
- transletParentDir = System.getProperty("user.dir");
-
- File transletParentFile = new File(transletParentDir);
-
- // Find all the auxiliary files which have a name pattern of "transletClass$nnn.class".
- final String transletAuxPrefix = transletName + "$";
- File[] auxfiles = transletParentFile.listFiles(new FilenameFilter() {
- public boolean accept(File dir, String name)
- {
- return (name.endsWith(".class") && name.startsWith(transletAuxPrefix));
- }
- });
-
- // Load the auxiliary class files and add them to the bytecode array.
- for (int i = 0; i < auxfiles.length; i++)
- {
- File auxfile = auxfiles[i];
- int auxlength = (int)auxfile.length();
- if (auxlength > 0) {
- FileInputStream auxinput = null;
- try {
- auxinput = new FileInputStream(auxfile);
- }
- catch (FileNotFoundException e) {
- continue;
- }
-
- byte[] bytes = new byte[auxlength];
-
- try {
- readFromInputStream(bytes, auxinput, auxlength);
- auxinput.close();
- }
- catch (IOException e) {
- continue;
- }
-
- bytecodes.addElement(bytes);
- }
- }
-
- // Convert the Vector of byte[] to byte[][].
- final int count = bytecodes.size();
- if ( count > 0) {
- final byte[][] result = new byte[count][1];
- for (int i = 0; i < count; i++) {
- result[i] = (byte[])bytecodes.elementAt(i);
- }
-
- return result;
- }
- else
- return null;
- }
-
- /**
- * Load the translet classes from the jar file and return the bytecode.
- *
- * @param source The xsl source
- * @param fullClassName The full name of the translet
- * @return The bytecode array
- */
- private byte[][] getBytecodesFromJar(Source source, String fullClassName)
- {
- String xslFileName = getStylesheetFileName(source);
- File xslFile = null;
- if (xslFileName != null)
- xslFile = new File(xslFileName);
-
- // Construct the path for the jar file
- String jarPath = null;
- if (_destinationDirectory != null)
- jarPath = _destinationDirectory + "/" + _jarFileName;
- else {
- if (xslFile != null && xslFile.getParent() != null)
- jarPath = xslFile.getParent() + "/" + _jarFileName;
- else
- jarPath = _jarFileName;
- }
-
- // Return null if the jar file does not exist.
- File file = new File(jarPath);
- if (!file.exists())
- return null;
-
- // Compare the timestamps of the jar file and the xsl file. Return null
- // if the xsl file is newer than the jar file.
- if (xslFile != null && xslFile.exists()) {
- long xslTimestamp = xslFile.lastModified();
- long transletTimestamp = file.lastModified();
- if (transletTimestamp < xslTimestamp)
- return null;
- }
-
- // Create a ZipFile object for the jar file
- ZipFile jarFile = null;
- try {
- jarFile = new ZipFile(file);
- }
- catch (IOException e) {
- return null;
- }
-
- String transletPath = fullClassName.replace('.', '/');
- String transletAuxPrefix = transletPath + "$";
- String transletFullName = transletPath + ".class";
-
- Vector bytecodes = new Vector();
-
- // Iterate through all entries in the jar file to find the
- // translet and auxiliary classes.
- Enumeration entries = jarFile.entries();
- while (entries.hasMoreElements())
- {
- ZipEntry entry = (ZipEntry)entries.nextElement();
- String entryName = entry.getName();
- if (entry.getSize() > 0 &&
- (entryName.equals(transletFullName) ||
- (entryName.endsWith(".class") &&
- entryName.startsWith(transletAuxPrefix))))
- {
- try {
- InputStream input = jarFile.getInputStream(entry);
- int size = (int)entry.getSize();
- byte[] bytes = new byte[size];
- readFromInputStream(bytes, input, size);
- input.close();
- bytecodes.addElement(bytes);
- }
- catch (IOException e) {
- return null;
- }
- }
- }
-
- // Convert the Vector of byte[] to byte[][].
- final int count = bytecodes.size();
- if (count > 0) {
- final byte[][] result = new byte[count][1];
- for (int i = 0; i < count; i++) {
- result[i] = (byte[])bytecodes.elementAt(i);
- }
-
- return result;
- }
- else
- return null;
- }
-
- /**
- * Read a given number of bytes from the InputStream into a byte array.
- *
- * @param bytes The byte array to store the input content.
- * @param input The input stream.
- * @param size The number of bytes to read.
- */
- private void readFromInputStream(byte[] bytes, InputStream input, int size)
- throws IOException
- {
- int n = 0;
- int offset = 0;
- int length = size;
- while (length > 0 && (n = input.read(bytes, offset, length)) > 0) {
- offset = offset + n;
- length = length - n;
- }
- }
-
- /**
- * Return the base class name of the translet.
- * The translet name is resolved using the following rules:
- * 1. if the _transletName attribute is set and its value is not "GregorSamsa",
- * then _transletName is returned.
- * 2. otherwise get the translet name from the base name of the system ID
- * 3. return "GregorSamsa" if the result from step 2 is null.
- *
- * @param source The input Source
- * @return The name of the translet class
- */
- private String getTransletBaseName(Source source)
- {
- String transletBaseName = null;
- if (!_transletName.equals(DEFAULT_TRANSLET_NAME))
- return _transletName;
- else {
- String systemId = source.getSystemId();
- if (systemId != null) {
- String baseName = Util.baseName(systemId);
- if (baseName != null) {
- baseName = Util.noExtName(baseName);
- transletBaseName = Util.toJavaName(baseName);
- }
- }
- }
-
- return (transletBaseName != null) ? transletBaseName : DEFAULT_TRANSLET_NAME;
- }
-
- /**
- * Return the local file name from the systemId of the Source object
- *
- * @param source The Source
- * @return The file name in the local filesystem, or null if the
- * systemId does not represent a local file.
- */
- private String getStylesheetFileName(Source source)
- {
- String systemId = source.getSystemId();
- if (systemId != null) {
- File file = new File(systemId);
- if (file.exists())
- return systemId;
- else {
- URL url = null;
- try {
- url = new URL(systemId);
- }
- catch (MalformedURLException e) {
- return null;
- }
-
- if ("file".equals(url.getProtocol()))
- return url.getFile();
- else
- return null;
- }
- }
- else
- return null;
- }
-
- /**
- * Returns the Class object the provides the XSLTC DTM Manager service.
- */
- protected Class getDTMManagerClass() {
- return m_DTMManagerClass;
- }
- }