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xalan /
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xsltc /
trax /
TransformerFactoryImpl.java
/*
* Copyright (c) 2007, 2019, Oracle and/or its affiliates. All rights reserved.
*/
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
package com.sun.org.apache.xalan.internal.xsltc.trax;
import com.sun.org.apache.xalan.internal.XalanConstants;
import com.sun.org.apache.xalan.internal.utils.FeaturePropertyBase;
import com.sun.org.apache.xalan.internal.utils.ObjectFactory;
import com.sun.org.apache.xalan.internal.utils.XMLSecurityManager;
import com.sun.org.apache.xalan.internal.utils.XMLSecurityPropertyManager.Property;
import com.sun.org.apache.xalan.internal.utils.XMLSecurityPropertyManager;
import com.sun.org.apache.xalan.internal.xsltc.compiler.Constants;
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 com.sun.org.apache.xml.internal.utils.StopParseException;
import com.sun.org.apache.xml.internal.utils.StylesheetPIHandler;
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.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import javax.xml.XMLConstants;
import javax.xml.catalog.CatalogException;
import javax.xml.catalog.CatalogFeatures.Feature;
import javax.xml.catalog.CatalogFeatures;
import javax.xml.catalog.CatalogManager;
import javax.xml.catalog.CatalogResolver;
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.stax.*;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import jdk.xml.internal.JdkXmlFeatures;
import jdk.xml.internal.JdkXmlUtils;
import jdk.xml.internal.SecuritySupport;
import jdk.xml.internal.TransformErrorListener;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLFilter;
import org.xml.sax.XMLReader;
/**
* Implementation of a JAXP TransformerFactory for Translets.
* @author G. Todd Miller
* @author Morten Jorgensen
* @author Santiago Pericas-Geertsen
* @LastModified: Aug 2019
*/
public class TransformerFactoryImpl
extends SAXTransformerFactory implements SourceLoader
{
// 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";
/**
* Default error listener
*/
private final ErrorListener _defaultListener = new TransformErrorListener();
/**
* 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 = _defaultListener;
// flag indicating whether there's an user's ErrorListener
private boolean _hasUserErrListener;
/**
* 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 final 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 static final String DEFAULT_TRANSLATE_PACKAGE = "die.verwandlung";
private String _packageName = DEFAULT_TRANSLATE_PACKAGE;
/**
* The jar file name which the translet classes are packaged into
*/
private String _jarFileName = null;
/**
* This Map is used to store parameters for locating
* <?xml-stylesheet ...?> processing instructions in XML docs.
*/
private Map<Source, PIParamWrapper> _piParams = null;
/**
* The above Map 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;
/**
* <p>State of secure processing feature.</p>
*/
private boolean _isNotSecureProcessing = true;
/**
* <p>State of secure mode.</p>
*/
private boolean _isSecureMode = false;
/**
* Indicates whether 3rd party parser may be used to override the system-default
* Note the default value (false) is the safe option.
* Note same as the old property useServicesMechanism
*/
private boolean _overrideDefaultParser;
/**
* protocols allowed for external references set by the stylesheet
* processing instruction, Import and Include element.
*/
private String _accessExternalStylesheet = XalanConstants.EXTERNAL_ACCESS_DEFAULT;
/**
* protocols allowed for external DTD references in source file and/or stylesheet.
*/
private String _accessExternalDTD = XalanConstants.EXTERNAL_ACCESS_DEFAULT;
private XMLSecurityPropertyManager _xmlSecurityPropertyMgr;
private XMLSecurityManager _xmlSecurityManager;
private final JdkXmlFeatures _xmlFeatures;
private ClassLoader _extensionClassLoader = null;
// Unmodifiable view of external extension function from xslt compiler
// It will be populated by user-specified extension functions during the
// type checking
private Map<String, Class<?>> _xsltcExtensionFunctions;
CatalogResolver _catalogUriResolver;
CatalogFeatures _catalogFeatures;
CatalogFeatures.Builder cfBuilder = CatalogFeatures.builder();
// Catalog features
String _catalogFiles = null;
String _catalogDefer = null;
String _catalogPrefer = null;
String _catalogResolve = null;
int _cdataChunkSize = JdkXmlUtils.CDATA_CHUNK_SIZE_DEFAULT;
/**
* javax.xml.transform.sax.TransformerFactory implementation.
*/
public TransformerFactoryImpl() {
if (System.getSecurityManager() != null) {
_isSecureMode = true;
_isNotSecureProcessing = false;
}
_xmlFeatures = new JdkXmlFeatures(!_isNotSecureProcessing);
_overrideDefaultParser = _xmlFeatures.getFeature(
JdkXmlFeatures.XmlFeature.JDK_OVERRIDE_PARSER);
_xmlSecurityPropertyMgr = new XMLSecurityPropertyManager();
_accessExternalDTD = _xmlSecurityPropertyMgr.getValue(
Property.ACCESS_EXTERNAL_DTD);
_accessExternalStylesheet = _xmlSecurityPropertyMgr.getValue(
Property.ACCESS_EXTERNAL_STYLESHEET);
//Parser's security manager
_xmlSecurityManager = new XMLSecurityManager(true);
//Unmodifiable hash map with loaded external extension functions
_xsltcExtensionFunctions = null;
}
public Map<String, Class<?>> getExternalExtensionsMap() {
return _xsltcExtensionFunctions;
}
/**
* 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
*/
@Override
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());
}
_hasUserErrListener = true;
_errorListener = listener;
}
/**
* javax.xml.transform.sax.TransformerFactory implementation.
* Get the error event handler for the TransformerFactory.
*
* @return The error listener used with the TransformerFactory
*/
@Override
public ErrorListener getErrorListener() {
return _errorListener;
}
/**
* Returns the package name.
*/
String getPackageName() {
return _packageName;
}
/**
* 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
*/
@Override
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 _generateTranslet;
}
else if (name.equals(AUTO_TRANSLET)) {
return _autoTranslet;
}
else if (name.equals(ENABLE_INLINING)) {
if (_enableInlining)
return Boolean.TRUE;
else
return Boolean.FALSE;
} else if (name.equals(XalanConstants.SECURITY_MANAGER)) {
return _xmlSecurityManager;
} else if (name.equals(XalanConstants.JDK_EXTENSION_CLASSLOADER)) {
return _extensionClassLoader;
} else if (JdkXmlUtils.CATALOG_FILES.equals(name)) {
return _catalogFiles;
} else if (JdkXmlUtils.CATALOG_DEFER.equals(name)) {
return _catalogDefer;
} else if (JdkXmlUtils.CATALOG_PREFER.equals(name)) {
return _catalogPrefer;
} else if (JdkXmlUtils.CATALOG_RESOLVE.equals(name)) {
return _catalogResolve;
} else if (JdkXmlFeatures.CATALOG_FEATURES.equals(name)) {
return buildCatalogFeatures();
} else if (JdkXmlUtils.CDATA_CHUNK_SIZE.equals(name)) {
return _cdataChunkSize;
}
/** Check to see if the property is managed by the security manager **/
String propertyValue = (_xmlSecurityManager != null) ?
_xmlSecurityManager.getLimitAsString(name) : null;
if (propertyValue != null) {
return propertyValue;
} else {
propertyValue = (_xmlSecurityPropertyMgr != null) ?
_xmlSecurityPropertyMgr.getValue(name) : null;
if (propertyValue != null) {
return propertyValue;
}
}
// 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
*/
@Override
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);
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);
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);
return;
}
else if (value instanceof String) {
_useClasspath = ((String) value).equalsIgnoreCase("true");
return;
}
}
else if (name.equals(DEBUG)) {
if (value instanceof Boolean) {
_debug = ((Boolean) value);
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);
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);
return;
}
}
else if ( name.equals(XalanConstants.JDK_EXTENSION_CLASSLOADER)) {
if (value instanceof ClassLoader) {
_extensionClassLoader = (ClassLoader) value;
return;
} else {
final ErrorMsg err
= new ErrorMsg(ErrorMsg.JAXP_INVALID_ATTR_VALUE_ERR, "Extension Functions ClassLoader");
throw new IllegalArgumentException(err.toString());
}
} else if (JdkXmlUtils.CATALOG_FILES.equals(name)) {
_catalogFiles = (String) value;
cfBuilder = CatalogFeatures.builder().with(Feature.FILES, _catalogFiles);
return;
} else if (JdkXmlUtils.CATALOG_DEFER.equals(name)) {
_catalogDefer = (String) value;
cfBuilder = CatalogFeatures.builder().with(Feature.DEFER, _catalogDefer);
return;
} else if (JdkXmlUtils.CATALOG_PREFER.equals(name)) {
_catalogPrefer = (String) value;
cfBuilder = CatalogFeatures.builder().with(Feature.PREFER, _catalogPrefer);
return;
} else if (JdkXmlUtils.CATALOG_RESOLVE.equals(name)) {
_catalogResolve = (String) value;
cfBuilder = CatalogFeatures.builder().with(Feature.RESOLVE, _catalogResolve);
return;
} else if (JdkXmlUtils.CDATA_CHUNK_SIZE.equals(name)) {
_cdataChunkSize = JdkXmlUtils.getValue(value, _cdataChunkSize);
return;
}
if (_xmlSecurityManager != null &&
_xmlSecurityManager.setLimit(name, XMLSecurityManager.State.APIPROPERTY, value)) {
return;
}
if (_xmlSecurityPropertyMgr != null &&
_xmlSecurityPropertyMgr.setValue(name, XMLSecurityPropertyManager.State.APIPROPERTY, value)) {
_accessExternalDTD = _xmlSecurityPropertyMgr.getValue(
Property.ACCESS_EXTERNAL_DTD);
_accessExternalStylesheet = _xmlSecurityPropertyMgr.getValue(
Property.ACCESS_EXTERNAL_STYLESHEET);
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.
*/
@Override
public void setFeature(String name, boolean value)
throws TransformerConfigurationException {
// feature name cannot be null
if (name == null) {
ErrorMsg err = new ErrorMsg(ErrorMsg.JAXP_SET_FEATURE_NULL_NAME);
throw new NullPointerException(err.toString());
}
// secure processing?
else if (name.equals(XMLConstants.FEATURE_SECURE_PROCESSING)) {
if ((_isSecureMode) && (!value)) {
ErrorMsg err = new ErrorMsg(ErrorMsg.JAXP_SECUREPROCESSING_FEATURE);
throw new TransformerConfigurationException(err.toString());
}
_isNotSecureProcessing = !value;
_xmlSecurityManager.setSecureProcessing(value);
// set external access restriction when FSP is explicitly set
if (value) {
_xmlSecurityPropertyMgr.setValue(Property.ACCESS_EXTERNAL_DTD,
FeaturePropertyBase.State.FSP, XalanConstants.EXTERNAL_ACCESS_DEFAULT_FSP);
_xmlSecurityPropertyMgr.setValue(Property.ACCESS_EXTERNAL_STYLESHEET,
FeaturePropertyBase.State.FSP, XalanConstants.EXTERNAL_ACCESS_DEFAULT_FSP);
_accessExternalDTD = _xmlSecurityPropertyMgr.getValue(
Property.ACCESS_EXTERNAL_DTD);
_accessExternalStylesheet = _xmlSecurityPropertyMgr.getValue(
Property.ACCESS_EXTERNAL_STYLESHEET);
}
if (value && _xmlFeatures != null) {
_xmlFeatures.setFeature(JdkXmlFeatures.XmlFeature.ENABLE_EXTENSION_FUNCTION,
JdkXmlFeatures.State.FSP, false);
}
}
else {
if (name.equals(XalanConstants.ORACLE_FEATURE_SERVICE_MECHANISM)) {
// for compatibility, in secure mode, useServicesMechanism is determined by the constructor
if (_isSecureMode) {
return;
}
}
if (_xmlFeatures != null &&
_xmlFeatures.setFeature(name, JdkXmlFeatures.State.APIPROPERTY, value)) {
if (name.equals(JdkXmlUtils.OVERRIDE_PARSER) ||
name.equals(JdkXmlFeatures.ORACLE_FEATURE_SERVICE_MECHANISM)) {
_overrideDefaultParser = _xmlFeatures.getFeature(
JdkXmlFeatures.XmlFeature.JDK_OVERRIDE_PARSER);
}
return;
}
// unknown feature
ErrorMsg err = new ErrorMsg(ErrorMsg.JAXP_UNSUPPORTED_FEATURE, name);
throw new TransformerConfigurationException(err.toString());
}
}
/**
* 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
*/
@Override
public boolean getFeature(String name) {
// All supported features should be listed here
String[] features = {
DOMSource.FEATURE,
DOMResult.FEATURE,
SAXSource.FEATURE,
SAXResult.FEATURE,
StAXSource.FEATURE,
StAXResult.FEATURE,
StreamSource.FEATURE,
StreamResult.FEATURE,
SAXTransformerFactory.FEATURE,
SAXTransformerFactory.FEATURE_XMLFILTER,
XalanConstants.ORACLE_FEATURE_SERVICE_MECHANISM
};
// feature name cannot be null
if (name == null) {
ErrorMsg err = new ErrorMsg(ErrorMsg.JAXP_GET_FEATURE_NULL_NAME);
throw new NullPointerException(err.toString());
}
// Inefficient, but array is small
for (int i =0; i < features.length; i++) {
if (name.equals(features[i])) {
return true;
}
}
if (name.equals(XMLConstants.FEATURE_SECURE_PROCESSING)) {
return !_isNotSecureProcessing;
}
/** Check to see if the property is managed by the JdkXmlFeatues **/
int index = _xmlFeatures.getIndex(name);
if (index > -1) {
return _xmlFeatures.getFeature(index);
}
// Feature not supported
return false;
}
/**
* Return the state of the services mechanism feature.
*/
public boolean overrideDefaultParser() {
return _overrideDefaultParser;
}
/**
* @return the feature manager
*/
public JdkXmlFeatures getJdkXmlFeatures() {
return _xmlFeatures;
}
/**
* 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
*/
@Override
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
*/
@Override
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
*/
@Override
public Source getAssociatedStylesheet(Source source, String media,
String title, String charset)
throws TransformerConfigurationException {
String baseId;
XMLReader reader = null;
InputSource isource;
/**
* 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 {
if (source instanceof SAXSource) {
reader = ((SAXSource)source).getXMLReader();
}
isource = SAXSource.sourceToInputSource(source);
baseId = isource.getSystemId();
if (reader == null) {
reader = JdkXmlUtils.getXMLReader(_overrideDefaultParser,
!_isNotSecureProcessing);
}
_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 (SAXException | IOException e) {
throw new TransformerConfigurationException(
"getAssociatedStylesheets failed", e);
}
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
*/
@Override
public Transformer newTransformer()
throws TransformerConfigurationException
{
// create CatalogFeatures that is accessible by the Transformer
// through the factory instance
buildCatalogFeatures();
TransformerImpl result = new TransformerImpl(new Properties(),
_indentNumber, this);
if (_uriResolver != null) {
result.setURIResolver(_uriResolver);
}
if (!_isNotSecureProcessing) {
result.setSecureProcessing(true);
}
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
*/
@Override
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(List<ErrorMsg> 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++) {
ErrorMsg msg = messages.get(pos);
// Workaround for the TCK failure ErrorListener.errorTests.error001.
if (msg.isWarningError())
_errorListener.error(
new TransformerConfigurationException(msg.toString()));
else
_errorListener.warning(
new TransformerConfigurationException(msg.toString()));
}
}
/**
* Pass error messages from the compiler to the error listener
*/
private void passErrorsToListener(List<ErrorMsg> 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.get(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 source The input stylesheet - DOMSource not supported!!!
* @return A Templates object that can be used to create Transformers.
* @throws TransformerConfigurationException
*/
@Override
public Templates newTemplates(Source source)
throws TransformerConfigurationException
{
TemplatesImpl templates;
// 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, true);
resetTransientAttributes();
templates = new TemplatesImpl(new Class<?>[]{clazz}, transletName, null, _indentNumber, this);
if (_uriResolver != null) {
templates.setURIResolver(_uriResolver);
}
return templates;
}
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;
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();
templates = new TemplatesImpl(bytecodes, transletClassName, null, _indentNumber, this);
if (_uriResolver != null) {
templates.setURIResolver(_uriResolver);
}
return templates;
}
}
// Create and initialize a stylesheet compiler
final XSLTC xsltc = new XSLTC(_xmlFeatures, _hasUserErrListener);
if (_debug) xsltc.setDebug(true);
if (_enableInlining)
xsltc.setTemplateInlining(true);
else
xsltc.setTemplateInlining(false);
if (!_isNotSecureProcessing) xsltc.setSecureProcessing(true);
xsltc.setProperty(XMLConstants.ACCESS_EXTERNAL_STYLESHEET, _accessExternalStylesheet);
xsltc.setProperty(XMLConstants.ACCESS_EXTERNAL_DTD, _accessExternalDTD);
xsltc.setProperty(XalanConstants.SECURITY_MANAGER, _xmlSecurityManager);
xsltc.setProperty(XalanConstants.JDK_EXTENSION_CLASSLOADER, _extensionClassLoader);
// set Catalog features
buildCatalogFeatures();
xsltc.setProperty(JdkXmlFeatures.CATALOG_FEATURES, _catalogFeatures);
xsltc.init();
if (!_isNotSecureProcessing)
_xsltcExtensionFunctions = xsltc.getExternalExtensionFunctions();
// Set a document loader (for xsl:include/import) if defined
if (_uriResolver != null || ( _catalogFiles != null
&& _xmlFeatures.getFeature(JdkXmlFeatures.XmlFeature.USE_CATALOG))) {
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 = _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) {
List<ErrorMsg> errs = xsltc.getErrors();
ErrorMsg err;
if (errs != null) {
err = errs.get(errs.size()-1);
} else {
err = new ErrorMsg(ErrorMsg.JAXP_COMPILE_ERR);
}
Throwable cause = err.getCause();
TransformerConfigurationException exc;
if (cause != null) {
exc = new TransformerConfigurationException(cause.getMessage(), cause);
} else {
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;
}
templates = new TemplatesImpl(bytecodes, transletName, xsltc.getOutputProperties(),
_indentNumber, this);
if (_uriResolver != null) {
templates.setURIResolver(_uriResolver);
}
return templates;
}
/**
* 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
*/
@Override
public TemplatesHandler newTemplatesHandler()
throws TransformerConfigurationException
{
// create CatalogFeatures that is accessible by the Handler
// through the factory instance
buildCatalogFeatures();
final TemplatesHandlerImpl handler =
new TemplatesHandlerImpl(_indentNumber, this, _hasUserErrListener);
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
*/
@Override
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
*/
@Override
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
*/
@Override
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
*/
@Override
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 templates The source of the transformation instructions.
* @return An XMLFilter object, or null if this feature is not supported.
* @throws TransformerConfigurationException
*/
@Override
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) {
throw new TransformerConfigurationException(e2);
}
}
throw e1;
}
}
/**
* 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
*/
@Override
public InputSource loadSource(String href, String context, XSLTC xsltc) {
try {
Source source = null;
if (_uriResolver != null) {
source = _uriResolver.resolve(href, context);
}
if (source == null && _catalogFiles != null &&
_xmlFeatures.getFeature(JdkXmlFeatures.XmlFeature.USE_CATALOG)) {
if (_catalogUriResolver == null) {
_catalogUriResolver = CatalogManager.catalogResolver(_catalogFeatures);
}
source = _catalogUriResolver.resolve(href, context);
}
if (source != null) {
return Util.getInputSource(xsltc, source);
}
}
catch (TransformerException e) {
// should catch it when the resolver explicitly throws the exception
final ErrorMsg msg = new ErrorMsg(ErrorMsg.INVALID_URI_ERR, href + "\n" + e.getMessage(), this);
xsltc.getParser().reportError(Constants.FATAL, msg);
}
catch (CatalogException e) {
final ErrorMsg msg = new ErrorMsg(ErrorMsg.CATALOG_EXCEPTION, href + "\n" + e.getMessage(), this);
xsltc.getParser().reportError(Constants.FATAL, msg);
}
return null;
}
/**
* Build the CatalogFeatures object when a newTemplates or newTransformer is
* created. This will read any System Properties for the CatalogFeatures that
* may have been set.
*/
private CatalogFeatures buildCatalogFeatures() {
// build will cause the CatalogFeatures to read SPs for those not set through the API
if (_catalogFeatures == null) {
_catalogFeatures = cfBuilder.build();
}
// update fields
_catalogFiles = _catalogFeatures.get(Feature.FILES);
_catalogDefer = _catalogFeatures.get(Feature.DEFER);
_catalogPrefer = _catalogFeatures.get(Feature.PREFER);
_catalogResolve = _catalogFeatures.get(Feature.RESOLVE);
return _catalogFeatures;
}
/**
* Reset the per-session attributes to their default values
*/
private void resetTransientAttributes() {
_transletName = DEFAULT_TRANSLET_NAME;
_destinationDirectory = null;
_packageName = DEFAULT_TRANSLATE_PACKAGE;
_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.
List<byte[]> bytecodes = new ArrayList<>();
int fileLength = (int)transletFile.length();
if (fileLength > 0) {
FileInputStream input;
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.add(bytes);
}
else
return null;
// Find the parent directory of the translet.
String transletParentDir = transletFile.getParent();
if (transletParentDir == null)
transletParentDir = SecuritySupport.getSystemProperty("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() {
@Override
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.add(bytes);
}
}
// Convert the ArrayList 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] = bytecodes.get(i);
}
return result;
}
else
return null;
}
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