Makefile.am: New file.

	* external/w3c_dom/Makefile.am: New file.
	* external/w3c_dom/Makefile.in: New file.
	* external/sax/Makefile.am: New file.
	* external/sax/Makefile.in: New file.
	* external/Makefile.in: New file.
	* external/Makefile.am: New file.
	* external/README: New file from Classpath.
	* configure, aclocal.m4, Makefile.in: Rebuilt.
	* configure.ac (AC_CONFIG_FILES): Create new Makefiles.
	* Makefile.am (SUBDIRS): Added external.
	(toolexeclib_LTLIBRARIES): Removed lib-org-xml-sax.la,
	lib-org-w3c-dom.la, lib-org-ietf-gss.la.
	(BOOTCLASSPATH): New variable.
	(AM_GCJFLAGS): Use it.
	(gnu_xml_source_files): New variable.
	(libgcj_la_SOURCES): Use it.
	(libgcj_la_LDADD): Include new convenience libraries.
	(lib_org_ietf_jgss_la_SOURCES): Removed.
	(lib_org_ietf_jgss_la_DEPENDENCIES): Likewise.
	(lib_org_ietf_jgss_la_LIBADD): Likewise.
	(lib_org_w3c_dom_la_SOURCES): Removed.
	(lib_org_w3c_dom_la_DEPENDENCIES): Likewise.
	(lib_org_w3c_dom_la_LIBADD): Likewise.
	(lib_org_xml_sax_la_SOURCES): Removed.
	(lib_org_xml_sax_la_DEPENDENCIES): Likewise.
	(lib_org_xml_sax_la_LIBADD): Likewise.
	(all_java_source_files): Updated.
	(property_files): Likewise.
	(libgcj-@gcc_version@.jar): Include classes from external/.
	(javax_source_files): Updated.
	(ordinary_java_source_files): Updated.
	* javax/xml/XMLConstants.java,
	javax/xml/datatype/DatatypeConfigurationException.java,
	javax/xml/datatype/DatatypeConstants.java,
	javax/xml/datatype/DatatypeFactory.java,
	javax/xml/datatype/Duration.java,
	javax/xml/datatype/XMLGregorianCalendar.java,
	javax/xml/datatype/package.html,
	javax/xml/namespace/NamespaceContext.java,
	javax/xml/namespace/QName.java, javax/xml/namespace/package.html,
	javax/xml/parsers/DocumentBuilder.java,
	javax/xml/parsers/DocumentBuilderFactory.java,
	javax/xml/parsers/FactoryConfigurationError.java,
	javax/xml/parsers/ParserConfigurationException.java,
	javax/xml/parsers/SAXParser.java,
	javax/xml/parsers/SAXParserFactory.java,
	javax/xml/parsers/package.html,
	javax/xml/transform/ErrorListener.java,
	javax/xml/transform/OutputKeys.java,
	javax/xml/transform/Result.java, javax/xml/transform/Source.java,
	javax/xml/transform/SourceLocator.java,
	javax/xml/transform/Templates.java,
	javax/xml/transform/Transformer.java,
	javax/xml/transform/TransformerConfigurationException.java,
	javax/xml/transform/TransformerException.java,
	javax/xml/transform/TransformerFactory.java,
	javax/xml/transform/TransformerFactoryConfigurationError.java,
	javax/xml/transform/URIResolver.java,
	javax/xml/transform/package.html,
	javax/xml/transform/dom/DOMLocator.java,
	javax/xml/transform/dom/DOMResult.java,
	javax/xml/transform/dom/DOMSource.java,
	javax/xml/transform/dom/package.html,
	javax/xml/transform/sax/SAXResult.java,
	javax/xml/transform/sax/SAXSource.java,
	javax/xml/transform/sax/SAXTransformerFactory.java,
	javax/xml/transform/sax/TemplatesHandler.java,
	javax/xml/transform/sax/TransformerHandler.java,
	javax/xml/transform/sax/package.html,
	javax/xml/transform/stream/StreamResult.java,
	javax/xml/transform/stream/StreamSource.java,
	javax/xml/transform/stream/package.html,
	javax/xml/validation/Schema.java,
	javax/xml/validation/SchemaFactory.java,
	javax/xml/validation/TypeInfoProvider.java,
	javax/xml/validation/Validator.java,
	javax/xml/validation/ValidatorHandler.java,
	javax/xml/validation/package.html, javax/xml/xpath/XPath.java,
	javax/xml/xpath/XPathConstants.java,
	javax/xml/xpath/XPathException.java,
	javax/xml/xpath/XPathExpression.java,
	javax/xml/xpath/XPathExpressionException.java,
	javax/xml/xpath/XPathFactory.java,
	javax/xml/xpath/XPathFactoryConfigurationException.java,
	javax/xml/xpath/XPathFunction.java,
	javax/xml/xpath/XPathFunctionException.java,
	javax/xml/xpath/XPathFunctionResolver.java,
	javax/xml/xpath/XPathVariableResolver.java,
	javax/xml/xpath/package.html: New files, from GNU JAXP.
	* org/w3c/dom/Attr.java, org/w3c/dom/CDATASection.java,
	org/w3c/dom/CharacterData.java, org/w3c/dom/Comment.java,
	org/w3c/dom/DOMException.java, org/w3c/dom/DOMImplementation.java,
	org/w3c/dom/Document.java, org/w3c/dom/DocumentFragment.java,
	org/w3c/dom/DocumentType.java, org/w3c/dom/Element.java,
	org/w3c/dom/Entity.java, org/w3c/dom/EntityReference.java,
	org/w3c/dom/NamedNodeMap.java, org/w3c/dom/Node.java,
	org/w3c/dom/NodeList.java, org/w3c/dom/Notation.java,
	org/w3c/dom/ProcessingInstruction.java, org/w3c/dom/Text.java,
	org/w3c/dom/ranges/DocumentRange.java,
	org/w3c/dom/ranges/Range.java,
	org/w3c/dom/ranges/RangeException.java,
	org/w3c/dom/traversal/DocumentTraversal.java,
	org/w3c/dom/traversal/NodeFilter.java,
	org/w3c/dom/traversal/NodeIterator.java,
	org/w3c/dom/traversal/TreeWalker.java,
	org/xml/sax/AttributeList.java, org/xml/sax/Attributes.java,
	org/xml/sax/ContentHandler.java, org/xml/sax/DTDHandler.java,
	org/xml/sax/DocumentHandler.java, org/xml/sax/EntityResolver.java,
	org/xml/sax/ErrorHandler.java, org/xml/sax/HandlerBase.java,
	org/xml/sax/InputSource.java, org/xml/sax/Locator.java,
	org/xml/sax/Parser.java, org/xml/sax/SAXException.java,
	org/xml/sax/SAXNotRecognizedException.java,
	org/xml/sax/SAXNotSupportedException.java,
	org/xml/sax/SAXParseException.java, org/xml/sax/XMLFilter.java,
	org/xml/sax/XMLReader.java, org/xml/sax/package.html,
	org/xml/sax/ext/DeclHandler.java,
	org/xml/sax/ext/LexicalHandler.java, org/xml/sax/ext/package.html,
	org/xml/sax/helpers/AttributeListImpl.java,
	org/xml/sax/helpers/AttributesImpl.java,
	org/xml/sax/helpers/DefaultHandler.java,
	org/xml/sax/helpers/LocatorImpl.java,
	org/xml/sax/helpers/NamespaceSupport.java,
	org/xml/sax/helpers/NewInstance.java,
	org/xml/sax/helpers/ParserAdapter.java,
	org/xml/sax/helpers/ParserFactory.java,
	org/xml/sax/helpers/XMLFilterImpl.java,
	org/xml/sax/helpers/XMLReaderAdapter.java,
	org/xml/sax/helpers/XMLReaderFactory.java,
	org/xml/sax/helpers/package.html: Moved to external/.
	* external/sax/README,
	external/sax/org/xml/sax/AttributeList.java,
	external/sax/org/xml/sax/Attributes.java,
	external/sax/org/xml/sax/ContentHandler.java,
	external/sax/org/xml/sax/DTDHandler.java,
	external/sax/org/xml/sax/DocumentHandler.java,
	external/sax/org/xml/sax/EntityResolver.java,
	external/sax/org/xml/sax/ErrorHandler.java,
	external/sax/org/xml/sax/HandlerBase.java,
	external/sax/org/xml/sax/InputSource.java,
	external/sax/org/xml/sax/Locator.java,
	external/sax/org/xml/sax/Parser.java,
	external/sax/org/xml/sax/SAXException.java,
	external/sax/org/xml/sax/SAXNotRecognizedException.java,
	external/sax/org/xml/sax/SAXNotSupportedException.java,
	external/sax/org/xml/sax/SAXParseException.java,
	external/sax/org/xml/sax/XMLFilter.java,
	external/sax/org/xml/sax/XMLReader.java,
	external/sax/org/xml/sax/package.html,
	external/sax/org/xml/sax/ext/Attributes2.java,
	external/sax/org/xml/sax/ext/Attributes2Impl.java,
	external/sax/org/xml/sax/ext/DeclHandler.java,
	external/sax/org/xml/sax/ext/DefaultHandler2.java,
	external/sax/org/xml/sax/ext/EntityResolver2.java,
	external/sax/org/xml/sax/ext/LexicalHandler.java,
	external/sax/org/xml/sax/ext/Locator2.java,
	external/sax/org/xml/sax/ext/Locator2Impl.java,
	external/sax/org/xml/sax/ext/package.html,
	external/sax/org/xml/sax/helpers/AttributeListImpl.java,
	external/sax/org/xml/sax/helpers/AttributesImpl.java,
	external/sax/org/xml/sax/helpers/DefaultHandler.java,
	external/sax/org/xml/sax/helpers/LocatorImpl.java,
	external/sax/org/xml/sax/helpers/NamespaceSupport.java,
	external/sax/org/xml/sax/helpers/NewInstance.java,
	external/sax/org/xml/sax/helpers/ParserAdapter.java,
	external/sax/org/xml/sax/helpers/ParserFactory.java,
	external/sax/org/xml/sax/helpers/XMLFilterImpl.java,
	external/sax/org/xml/sax/helpers/XMLReaderAdapter.java,
	external/sax/org/xml/sax/helpers/XMLReaderFactory.java,
	external/sax/org/xml/sax/helpers/package.html,
	external/w3c_dom/COPYRIGHT.html, external/w3c_dom/README,
	external/w3c_dom/org/w3c/dom/Attr.java,
	external/w3c_dom/org/w3c/dom/CDATASection.java,
	external/w3c_dom/org/w3c/dom/CharacterData.java,
	external/w3c_dom/org/w3c/dom/Comment.java,
	external/w3c_dom/org/w3c/dom/DOMConfiguration.java,
	external/w3c_dom/org/w3c/dom/DOMError.java,
	external/w3c_dom/org/w3c/dom/DOMErrorHandler.java,
	external/w3c_dom/org/w3c/dom/DOMException.java,
	external/w3c_dom/org/w3c/dom/DOMImplementation.java,
	external/w3c_dom/org/w3c/dom/DOMImplementationList.java,
	external/w3c_dom/org/w3c/dom/DOMImplementationSource.java,
	external/w3c_dom/org/w3c/dom/DOMLocator.java,
	external/w3c_dom/org/w3c/dom/DOMStringList.java,
	external/w3c_dom/org/w3c/dom/Document.java,
	external/w3c_dom/org/w3c/dom/DocumentFragment.java,
	external/w3c_dom/org/w3c/dom/DocumentType.java,
	external/w3c_dom/org/w3c/dom/Element.java,
	external/w3c_dom/org/w3c/dom/Entity.java,
	external/w3c_dom/org/w3c/dom/EntityReference.java,
	external/w3c_dom/org/w3c/dom/NameList.java,
	external/w3c_dom/org/w3c/dom/NamedNodeMap.java,
	external/w3c_dom/org/w3c/dom/Node.java,
	external/w3c_dom/org/w3c/dom/NodeList.java,
	external/w3c_dom/org/w3c/dom/Notation.java,
	external/w3c_dom/org/w3c/dom/ProcessingInstruction.java,
	external/w3c_dom/org/w3c/dom/Text.java,
	external/w3c_dom/org/w3c/dom/TypeInfo.java,
	external/w3c_dom/org/w3c/dom/UserDataHandler.java,
	external/w3c_dom/org/w3c/dom/bootstrap/DOMImplementationRegistry.java,
	external/w3c_dom/org/w3c/dom/css/CSS2Properties.java,
	external/w3c_dom/org/w3c/dom/css/CSSCharsetRule.java,
	external/w3c_dom/org/w3c/dom/css/CSSFontFaceRule.java,
	external/w3c_dom/org/w3c/dom/css/CSSImportRule.java,
	external/w3c_dom/org/w3c/dom/css/CSSMediaRule.java,
	external/w3c_dom/org/w3c/dom/css/CSSPageRule.java,
	external/w3c_dom/org/w3c/dom/css/CSSPrimitiveValue.java,
	external/w3c_dom/org/w3c/dom/css/CSSRule.java,
	external/w3c_dom/org/w3c/dom/css/CSSRuleList.java,
	external/w3c_dom/org/w3c/dom/css/CSSStyleDeclaration.java,
	external/w3c_dom/org/w3c/dom/css/CSSStyleRule.java,
	external/w3c_dom/org/w3c/dom/css/CSSStyleSheet.java,
	external/w3c_dom/org/w3c/dom/css/CSSUnknownRule.java,
	external/w3c_dom/org/w3c/dom/css/CSSValue.java,
	external/w3c_dom/org/w3c/dom/css/CSSValueList.java,
	external/w3c_dom/org/w3c/dom/css/Counter.java,
	external/w3c_dom/org/w3c/dom/css/DOMImplementationCSS.java,
	external/w3c_dom/org/w3c/dom/css/DocumentCSS.java,
	external/w3c_dom/org/w3c/dom/css/ElementCSSInlineStyle.java,
	external/w3c_dom/org/w3c/dom/css/RGBColor.java,
	external/w3c_dom/org/w3c/dom/css/Rect.java,
	external/w3c_dom/org/w3c/dom/css/ViewCSS.java,
	external/w3c_dom/org/w3c/dom/events/DocumentEvent.java,
	external/w3c_dom/org/w3c/dom/events/Event.java,
	external/w3c_dom/org/w3c/dom/events/EventException.java,
	external/w3c_dom/org/w3c/dom/events/EventListener.java,
	external/w3c_dom/org/w3c/dom/events/EventTarget.java,
	external/w3c_dom/org/w3c/dom/events/MouseEvent.java,
	external/w3c_dom/org/w3c/dom/events/MutationEvent.java,
	external/w3c_dom/org/w3c/dom/events/UIEvent.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLAnchorElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLAppletElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLAreaElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLBRElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLBaseElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLBaseFontElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLBodyElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLButtonElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLCollection.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLDListElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLDirectoryElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLDivElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLDocument.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLFieldSetElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLFontElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLFormElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLFrameElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLFrameSetElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLHRElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLHeadElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLHeadingElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLHtmlElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLIFrameElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLImageElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLInputElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLIsIndexElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLLIElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLLabelElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLLegendElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLLinkElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLMapElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLMenuElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLMetaElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLModElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLOListElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLObjectElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLOptGroupElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLOptionElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLOptionsCollection.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLParagraphElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLParamElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLPreElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLQuoteElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLScriptElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLSelectElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLStyleElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLTableCaptionElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLTableCellElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLTableColElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLTableElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLTableRowElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLTableSectionElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLTextAreaElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLTitleElement.java,
	external/w3c_dom/org/w3c/dom/html2/HTMLUListElement.java,
	external/w3c_dom/org/w3c/dom/ls/DOMImplementationLS.java,
	external/w3c_dom/org/w3c/dom/ls/LSException.java,
	external/w3c_dom/org/w3c/dom/ls/LSInput.java,
	external/w3c_dom/org/w3c/dom/ls/LSLoadEvent.java,
	external/w3c_dom/org/w3c/dom/ls/LSOutput.java,
	external/w3c_dom/org/w3c/dom/ls/LSParser.java,
	external/w3c_dom/org/w3c/dom/ls/LSParserFilter.java,
	external/w3c_dom/org/w3c/dom/ls/LSProgressEvent.java,
	external/w3c_dom/org/w3c/dom/ls/LSResourceResolver.java,
	external/w3c_dom/org/w3c/dom/ls/LSSerializer.java,
	external/w3c_dom/org/w3c/dom/ls/LSSerializerFilter.java,
	external/w3c_dom/org/w3c/dom/ranges/DocumentRange.java,
	external/w3c_dom/org/w3c/dom/ranges/Range.java,
	external/w3c_dom/org/w3c/dom/ranges/RangeException.java,
	external/w3c_dom/org/w3c/dom/stylesheets/DocumentStyle.java,
	external/w3c_dom/org/w3c/dom/stylesheets/LinkStyle.java,
	external/w3c_dom/org/w3c/dom/stylesheets/MediaList.java,
	external/w3c_dom/org/w3c/dom/stylesheets/StyleSheet.java,
	external/w3c_dom/org/w3c/dom/stylesheets/StyleSheetList.java,
	external/w3c_dom/org/w3c/dom/traversal/DocumentTraversal.java,
	external/w3c_dom/org/w3c/dom/traversal/NodeFilter.java,
	external/w3c_dom/org/w3c/dom/traversal/NodeIterator.java,
	external/w3c_dom/org/w3c/dom/traversal/TreeWalker.java,
	external/w3c_dom/org/w3c/dom/views/AbstractView.java,
	external/w3c_dom/org/w3c/dom/views/DocumentView.java,
	external/w3c_dom/org/w3c/dom/xpath/XPathEvaluator.java,
	external/w3c_dom/org/w3c/dom/xpath/XPathException.java,
	external/w3c_dom/org/w3c/dom/xpath/XPathExpression.java,
	external/w3c_dom/org/w3c/dom/xpath/XPathNSResolver.java,
	external/w3c_dom/org/w3c/dom/xpath/XPathNamespace.java,
	external/w3c_dom/org/w3c/dom/xpath/XPathResult.java: New files
	from Classpath.

From-SVN: r94577

1 files changed, 586 insertions, 0 deletions

diff --git a/libjava/gnu/xml/transform/TransformerImpl.java b/libjava/gnu/xml/transform/TransformerImpl.java
new file mode 100644
index 00000000000..fb4632e3f38
--- /dev/null
+++ b/libjava/gnu/xml/transform/TransformerImpl.java
@@ -0,0 +1,586 @@
+/* TransformerImpl.java -- 
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package gnu.xml.transform;
+
+import java.io.BufferedOutputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.UnsupportedEncodingException;
+import java.io.Writer;
+import java.net.MalformedURLException;
+import java.net.UnknownServiceException;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.Properties;
+import javax.xml.transform.ErrorListener;
+import javax.xml.transform.OutputKeys;
+import javax.xml.transform.Result;
+import javax.xml.transform.Source;
+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.DOMSource;
+import javax.xml.transform.dom.DOMResult;
+import javax.xml.transform.sax.SAXResult;
+import javax.xml.transform.stream.StreamResult;
+import org.w3c.dom.Document;
+import org.w3c.dom.DocumentType;
+import org.w3c.dom.DOMImplementation;
+import org.w3c.dom.NamedNodeMap;
+import org.w3c.dom.Node;
+import org.w3c.dom.Text;
+import org.xml.sax.ContentHandler;
+import org.xml.sax.SAXException;
+import org.xml.sax.ext.LexicalHandler;
+import gnu.xml.dom.DomDoctype;
+import gnu.xml.dom.DomDocument;
+import gnu.xml.dom.ls.WriterOutputStream;
+import gnu.xml.xpath.Expr;
+import gnu.xml.xpath.Root;
+
+/**
+ * The transformation process for a given stylesheet.
+ *
+ * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
+ */
+class TransformerImpl
+  extends Transformer
+{
+
+  final TransformerFactoryImpl factory;
+  final Stylesheet stylesheet;
+  URIResolver uriResolver;
+  ErrorListener errorListener;
+  Properties outputProperties;
+
+  TransformerImpl(TransformerFactoryImpl factory,
+                  Stylesheet stylesheet,
+                  Properties outputProperties)
+    throws TransformerConfigurationException
+  {
+    this.factory = factory;
+    uriResolver = factory.userResolver;
+    errorListener = factory.userListener;
+    this.stylesheet = stylesheet;
+    this.outputProperties = outputProperties;
+    if (stylesheet != null)
+      {
+        // Set up parameter context for this transformer
+        stylesheet.bindings.push(false);
+      }
+  }
+
+  public void transform(Source xmlSource, Result outputTarget)
+    throws TransformerException
+  {
+    // Get the source tree
+    DOMSource source;
+    synchronized (factory.resolver)
+      {
+        factory.resolver.setUserResolver(uriResolver);
+        factory.resolver.setUserListener(errorListener);
+        source = factory.resolver.resolveDOM(xmlSource, null, null);
+      }
+    Node context = source.getNode();
+    Document doc = (context instanceof Document) ? (Document) context :
+      context.getOwnerDocument();
+    if (doc instanceof DomDocument)
+      {
+        // Suppress mutation events
+        ((DomDocument) doc).setBuilding(true);
+        // TODO find a better/more generic way of doing this than
+        // casting
+      }
+    // Get the result tree
+    Node parent = null, nextSibling = null;
+    if (outputTarget instanceof DOMResult)
+      {
+        DOMResult dr = (DOMResult) outputTarget;
+        parent = dr.getNode();
+        nextSibling = dr.getNextSibling();
+
+        Document rdoc = (parent instanceof Document) ? (Document) parent :
+          parent.getOwnerDocument();
+        if (rdoc instanceof DomDocument)
+          {
+            // Suppress mutation events and allow multiple root elements
+            DomDocument drdoc = (DomDocument) rdoc;
+            drdoc.setBuilding(true);
+            drdoc.setCheckWellformedness(false);
+            // TODO find a better/more generic way of doing this than
+            // casting
+          }
+      }
+    boolean created = false;
+    // Transformation
+    if (stylesheet != null)
+      {
+        if (parent == null)
+          {
+            // Create a new document to hold the result
+            DomDocument resultDoc = new DomDocument();
+            resultDoc.setBuilding(true);
+            resultDoc.setCheckWellformedness(false);
+            parent = resultDoc;
+            created = true;
+          }
+        // Make a copy of the source node, and strip it
+        context = context.cloneNode(true);
+        strip(context);
+        // XSLT transformation
+        try
+          {
+            // Set output properties in the underlying stylesheet
+            ((TransformerOutputProperties) outputProperties).apply();
+            stylesheet.initTopLevelVariables(context);
+            TemplateNode t = stylesheet.getTemplate(null, context, false);
+            if (t != null)
+              {
+                stylesheet.current = context;
+                t.apply(stylesheet, null, context, 1, 1, parent, nextSibling);
+              }
+          }
+        catch (TransformerException e)
+          {
+            // Done transforming, reset document
+            if (doc instanceof DomDocument)
+              {
+                ((DomDocument) doc).setBuilding(false);
+              }
+            throw e;
+          }
+      }
+    else
+      {
+        // Identity transform
+        Node clone = context.cloneNode(true);
+        if (context.getNodeType() != Node.DOCUMENT_NODE)
+          {
+            Document resultDoc;
+            if (parent == null)
+              {
+                // Create a new document to hold the result
+                DomDocument rd = new DomDocument();
+                rd.setBuilding(true);
+                rd.setCheckWellformedness(false);
+                parent = resultDoc = rd;
+                created = true;
+              }
+            else
+              {
+                resultDoc = (parent instanceof Document) ?
+                  (Document) parent :
+                  parent.getOwnerDocument();
+              }
+            Document sourceDoc = context.getOwnerDocument();
+            if (sourceDoc != resultDoc)
+              {
+                clone = resultDoc.adoptNode(clone);
+              }
+            if (nextSibling != null)
+              {
+                parent.insertBefore(clone, nextSibling);
+              }
+            else
+              {
+                parent.appendChild(clone);
+              }
+          }
+        else
+          {
+            // Cannot append document to another tree
+            parent = clone;
+            created = true;
+          }
+      }
+    String method = outputProperties.getProperty(OutputKeys.METHOD);
+    int outputMethod = "html".equals(method) ? Stylesheet.OUTPUT_HTML :
+      "text".equals(method) ? Stylesheet.OUTPUT_TEXT :
+      Stylesheet.OUTPUT_XML;
+    String encoding = outputProperties.getProperty(OutputKeys.ENCODING);
+    String publicId = outputProperties.getProperty(OutputKeys.DOCTYPE_PUBLIC);
+    String systemId = outputProperties.getProperty(OutputKeys.DOCTYPE_SYSTEM);
+    String version = outputProperties.getProperty(OutputKeys.VERSION);
+    boolean omitXmlDeclaration = 
+      "yes".equals(outputProperties.getProperty(OutputKeys.OMIT_XML_DECLARATION));
+    boolean standalone = 
+      "yes".equals(outputProperties.getProperty(OutputKeys.STANDALONE));
+    String mediaType = outputProperties.getProperty(OutputKeys.MEDIA_TYPE);
+    // TODO cdata-section-elements
+    // TODO indent
+    if (created)
+      {
+        // Discover document element
+        DomDocument resultDoc = (DomDocument) parent;
+        Node root = resultDoc.getDocumentElement();
+        // Add doctype if specified
+        if ((publicId != null || systemId != null) &&
+            root != null)
+          {
+            // We must know the name of the root element to
+            // create the document type
+            resultDoc.appendChild(new DomDoctype(resultDoc,
+                                                 root.getNodeName(),
+                                                 publicId,
+                                                 systemId));
+          }
+        resultDoc.setBuilding(false);
+        resultDoc.setCheckWellformedness(true);
+      }
+    else if (publicId != null || systemId != null)
+      {
+        switch (parent.getNodeType())
+          {
+          case Node.DOCUMENT_NODE:
+          case Node.DOCUMENT_FRAGMENT_NODE:
+            Document resultDoc = (parent instanceof Document) ?
+              (Document) parent :
+              parent.getOwnerDocument();
+            DOMImplementation impl = resultDoc.getImplementation();
+            DocumentType doctype =
+              impl.createDocumentType(resultDoc.getNodeName(),
+                                      publicId,
+                                      systemId);
+            // Try to insert doctype before first element
+            Node ctx = parent.getFirstChild();
+            for (; ctx != null &&
+                 ctx.getNodeType() != Node.ELEMENT_NODE;
+                 ctx = ctx.getNextSibling())
+              {
+              }
+            if (ctx != null)
+              {
+                parent.insertBefore(doctype, ctx);
+              }
+            else
+              {
+                parent.appendChild(doctype);
+              }
+          }
+      }
+    if (version != null)
+      {
+        parent.setUserData("version", version, stylesheet);
+      }
+    if (omitXmlDeclaration)
+      {
+        parent.setUserData("omit-xml-declaration", "yes", stylesheet);
+      }
+    if (standalone)
+      {
+        parent.setUserData("standalone", "yes", stylesheet);
+      }
+    if (mediaType != null)
+      {
+        parent.setUserData("media-type", mediaType, stylesheet);
+      }
+    // Render result to the target device
+    if (outputTarget instanceof DOMResult)
+      {
+        if (created)
+          {
+            DOMResult dr = (DOMResult) outputTarget;
+            dr.setNode(parent);
+            dr.setNextSibling(null);
+          }
+      }
+    else if (outputTarget instanceof StreamResult)
+      {
+        StreamResult sr = (StreamResult) outputTarget;
+        IOException ex = null;
+        try
+          {
+            writeStreamResult(parent, sr, outputMethod, encoding);
+          }
+        catch (UnsupportedEncodingException e)
+          {
+            try
+              {
+                writeStreamResult(parent, sr, outputMethod, "UTF-8");
+              }
+            catch (IOException e2)
+              {
+                ex = e2;
+              }
+          }
+        catch (IOException e)
+          {
+            ex = e;
+          }
+        if (ex != null)
+          {
+            if (errorListener != null)
+              {
+                errorListener.error(new TransformerException(ex));
+              }
+            else
+              {
+                ex.printStackTrace(System.err);
+              }
+          }
+      }
+    else if (outputTarget instanceof SAXResult)
+      {
+        SAXResult sr = (SAXResult) outputTarget;
+        try
+          {
+            ContentHandler ch = sr.getHandler();
+            LexicalHandler lh = sr.getLexicalHandler();
+            if (lh == null && ch instanceof LexicalHandler)
+              {
+                lh = (LexicalHandler) ch;
+              }
+            SAXSerializer serializer = new SAXSerializer();
+            serializer.serialize(parent, ch, lh);
+          }
+        catch (SAXException e)
+          {
+            if (errorListener != null)
+              {
+                errorListener.error(new TransformerException(e));
+              }
+            else
+              {
+                e.printStackTrace(System.err);
+              }
+          }
+      }
+  }
+
+  /**
+   * Strip whitespace from the source tree.
+   */
+  void strip(Node node)
+    throws TransformerConfigurationException
+  {
+    short nt = node.getNodeType();
+    if (nt == Node.ENTITY_REFERENCE_NODE)
+      {
+        // Replace entity reference with its content
+        Node parent = node.getParentNode();
+        Node child = node.getFirstChild();
+        if (child != null)
+          {
+            strip(child);
+          }
+        while (child != null)
+          {
+            Node next = child.getNextSibling();
+            node.removeChild(child);
+            parent.insertBefore(child, node);
+            child = next;
+          }
+        parent.removeChild(node);
+      }
+    if (nt == Node.TEXT_NODE) // CDATA sections ?
+      {
+        if (!stylesheet.isPreserved((Text) node))
+          {
+            node.getParentNode().removeChild(node);
+          }
+      }
+    else
+      {
+        for (Node child = node.getFirstChild(); child != null;
+             child = child.getNextSibling())
+          {
+            strip(child);
+          }
+      }
+  }
+
+  /**
+   * Obtain a suitable output stream for writing the result to,
+   * and use the StreamSerializer to write the result tree to the stream.
+   */
+  void writeStreamResult(Node node, StreamResult sr, int outputMethod,
+                         String encoding)
+    throws IOException
+  {
+    OutputStream out = null;
+    try
+      {
+        out = sr.getOutputStream();
+        if (out == null)
+          {
+            Writer writer = sr.getWriter();
+            if (writer != null)
+              {
+                out = new WriterOutputStream(writer);
+              }
+          }
+        if (out == null)
+          {
+            String systemId = sr.getSystemId();
+            try
+              {
+                URL url = new URL(systemId);
+                URLConnection connection = url.openConnection();
+                connection.setDoOutput(true);
+                out = connection.getOutputStream();
+              }
+            catch (MalformedURLException e)
+              {
+                out = new FileOutputStream(systemId);
+              }
+            catch (UnknownServiceException e)
+              {
+                URL url = new URL(systemId);
+                out = new FileOutputStream(url.getPath());
+              }
+          }
+        out = new BufferedOutputStream(out);
+        StreamSerializer serializer =
+          new StreamSerializer(outputMethod, encoding, null);
+        if (stylesheet != null)
+          {
+            Collection celem = stylesheet.outputCdataSectionElements;
+            serializer.setCdataSectionElements(celem);
+          }
+        serializer.serialize(node, out);
+        out.flush();
+      }
+    finally
+      {
+        try
+          {
+            if (out != null)
+              {
+                out.close();
+              }
+          }
+        catch (IOException e)
+          {
+          }
+      }
+  }
+
+  void copyChildren(Document dstDoc, Node src, Node dst)
+  {
+    Node srcChild = src.getFirstChild();
+    while (srcChild != null)
+      {
+        Node dstChild = dstDoc.adoptNode(srcChild);
+        dst.appendChild(dstChild);
+        srcChild = srcChild.getNextSibling();
+      }
+  }
+
+  public void setParameter(String name, Object value)
+  {
+    if (stylesheet != null)
+      {
+        stylesheet.bindings.set(name, value, false);
+      }
+  }
+
+  public Object getParameter(String name)
+  {
+    if (stylesheet != null)
+      {
+        return stylesheet.bindings.get(name, null, 1, 1);
+      }
+    return null;
+  }
+
+  public void clearParameters()
+  {
+    if (stylesheet != null)
+      {
+        stylesheet.bindings.pop(false);
+        stylesheet.bindings.push(false);
+      }
+  }
+
+  public void setURIResolver(URIResolver resolver)
+  {
+    uriResolver = resolver;
+  }
+
+  public URIResolver getURIResolver()
+  {
+    return uriResolver;
+  }
+
+  public void setOutputProperties(Properties oformat)
+    throws IllegalArgumentException
+  {
+    if (oformat == null)
+      {
+        outputProperties.clear();
+      }
+    else
+      {
+        outputProperties.putAll(oformat);
+      }
+  }
+
+  public Properties getOutputProperties()
+  {
+    return (Properties) outputProperties.clone();
+  }
+
+  public void setOutputProperty(String name, String value)
+    throws IllegalArgumentException
+  {
+    outputProperties.put(name, value);
+  }
+
+  public String getOutputProperty(String name)
+    throws IllegalArgumentException
+  {
+    return outputProperties.getProperty(name);
+  }
+
+  public void setErrorListener(ErrorListener listener)
+  {
+    errorListener = listener;
+  }
+
+  public ErrorListener getErrorListener()
+  {
+    return errorListener;
+  }
+
+}