--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxp/src/com/sun/org/apache/xalan/internal/xsltc/trax/TransformerHandlerImpl.java Thu Apr 12 08:38:26 2012 -0700
@@ -0,0 +1,487 @@
+/*
+ * reserved comment block
+ * DO NOT REMOVE OR ALTER!
+ */
+/*
+ * 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: TransformerHandlerImpl.java,v 1.2.4.1 2005/09/15 06:25:12 pvedula Exp $
+ */
+
+package com.sun.org.apache.xalan.internal.xsltc.trax;
+
+import javax.xml.transform.Result;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.sax.TransformerHandler;
+import javax.xml.transform.dom.DOMResult;
+
+import com.sun.org.apache.xalan.internal.xsltc.StripFilter;
+import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ErrorMsg;
+import com.sun.org.apache.xalan.internal.xsltc.dom.DOMWSFilter;
+import com.sun.org.apache.xalan.internal.xsltc.dom.SAXImpl;
+import com.sun.org.apache.xalan.internal.xsltc.dom.XSLTCDTMManager;
+import com.sun.org.apache.xalan.internal.xsltc.runtime.AbstractTranslet;
+import com.sun.org.apache.xml.internal.dtm.DTMWSFilter;
+import com.sun.org.apache.xml.internal.serializer.SerializationHandler;
+
+import org.xml.sax.Attributes;
+import org.xml.sax.ContentHandler;
+import org.xml.sax.DTDHandler;
+import org.xml.sax.Locator;
+import org.xml.sax.SAXException;
+import org.xml.sax.ext.DeclHandler;
+import org.xml.sax.ext.LexicalHandler;
+import org.xml.sax.helpers.DefaultHandler;
+
+/**
+ * Implementation of a JAXP1.1 TransformerHandler
+ * @author Morten Jorgensen
+ */
+public class TransformerHandlerImpl implements TransformerHandler, DeclHandler {
+
+ private TransformerImpl _transformer;
+ private AbstractTranslet _translet = null;
+ private String _systemId;
+ private SAXImpl _dom = null;
+ private ContentHandler _handler = null;
+ private LexicalHandler _lexHandler = null;
+ private DTDHandler _dtdHandler = null;
+ private DeclHandler _declHandler = null;
+ private Result _result = null;
+ private Locator _locator = null;
+
+ private boolean _done = false; // Set in endDocument()
+
+ /**
+ * A flag indicating whether this transformer handler implements the
+ * identity transform.
+ */
+ private boolean _isIdentity = false;
+
+ /**
+ * Cosntructor - pass in reference to a TransformerImpl object
+ */
+ public TransformerHandlerImpl(TransformerImpl transformer) {
+ // Save the reference to the transformer
+ _transformer = transformer;
+
+ if (transformer.isIdentity()) {
+ // Set initial handler to the empty handler
+ _handler = new DefaultHandler();
+ _isIdentity = true;
+ }
+ else {
+ // Get a reference to the translet wrapped inside the transformer
+ _translet = _transformer.getTranslet();
+ }
+ }
+
+ /**
+ * Implements javax.xml.transform.sax.TransformerHandler.getSystemId()
+ * Get the base ID (URI or system ID) from where relative URLs will be
+ * resolved.
+ * @return The systemID that was set with setSystemId(String id)
+ */
+ public String getSystemId() {
+ return _systemId;
+ }
+
+ /**
+ * Implements javax.xml.transform.sax.TransformerHandler.setSystemId()
+ * Get the base ID (URI or system ID) from where relative URLs will be
+ * resolved.
+ * @param id Base URI for this stylesheet
+ */
+ public void setSystemId(String id) {
+ _systemId = id;
+ }
+
+ /**
+ * Implements javax.xml.transform.sax.TransformerHandler.getTransformer()
+ * Get the Transformer associated with this handler, which is needed in
+ * order to set parameters and output properties.
+ * @return The Transformer object
+ */
+ public Transformer getTransformer() {
+ return _transformer;
+ }
+
+ /**
+ * Implements javax.xml.transform.sax.TransformerHandler.setResult()
+ * Enables the user of the TransformerHandler to set the to set the Result
+ * for the transformation.
+ * @param result A Result instance, should not be null
+ * @throws IllegalArgumentException if result is invalid for some reason
+ */
+ public void setResult(Result result) throws IllegalArgumentException {
+ _result = result;
+
+ if (null == result) {
+ ErrorMsg err = new ErrorMsg(ErrorMsg.ER_RESULT_NULL);
+ throw new IllegalArgumentException(err.toString()); //"result should not be null");
+ }
+
+ if (_isIdentity) {
+ try {
+ // Connect this object with output system directly
+ SerializationHandler outputHandler =
+ _transformer.getOutputHandler(result);
+ _transformer.transferOutputProperties(outputHandler);
+
+ _handler = outputHandler;
+ _lexHandler = outputHandler;
+ }
+ catch (TransformerException e) {
+ _result = null;
+ }
+ }
+ else if (_done) {
+ // Run the transformation now, if not already done
+ try {
+ _transformer.setDOM(_dom);
+ _transformer.transform(null, _result);
+ }
+ catch (TransformerException e) {
+ // What the hell are we supposed to do with this???
+ throw new IllegalArgumentException(e.getMessage());
+ }
+ }
+ }
+
+ /**
+ * Implements org.xml.sax.ContentHandler.characters()
+ * Receive notification of character data.
+ */
+ public void characters(char[] ch, int start, int length)
+ throws SAXException
+ {
+ _handler.characters(ch, start, length);
+ }
+
+ /**
+ * Implements org.xml.sax.ContentHandler.startDocument()
+ * Receive notification of the beginning of a document.
+ */
+ public void startDocument() throws SAXException {
+ // Make sure setResult() was called before the first SAX event
+ if (_result == null) {
+ ErrorMsg err = new ErrorMsg(ErrorMsg.JAXP_SET_RESULT_ERR);
+ throw new SAXException(err.toString());
+ }
+
+ if (!_isIdentity) {
+ boolean hasIdCall = (_translet != null) ? _translet.hasIdCall() : false;
+ XSLTCDTMManager dtmManager = null;
+
+ // Create an internal DOM (not W3C) and get SAX2 input handler
+ try {
+ dtmManager =
+ (XSLTCDTMManager)_transformer.getTransformerFactory()
+ .getDTMManagerClass()
+ .newInstance();
+ } catch (Exception e) {
+ throw new SAXException(e);
+ }
+
+ DTMWSFilter wsFilter;
+ if (_translet != null && _translet instanceof StripFilter) {
+ wsFilter = new DOMWSFilter(_translet);
+ } else {
+ wsFilter = null;
+ }
+
+ // Construct the DTM using the SAX events that come through
+ _dom = (SAXImpl)dtmManager.getDTM(null, false, wsFilter, true,
+ false, hasIdCall);
+
+ _handler = _dom.getBuilder();
+ _lexHandler = (LexicalHandler) _handler;
+ _dtdHandler = (DTDHandler) _handler;
+ _declHandler = (DeclHandler) _handler;
+
+
+ // Set document URI
+ _dom.setDocumentURI(_systemId);
+
+ if (_locator != null) {
+ _handler.setDocumentLocator(_locator);
+ }
+ }
+
+ // Proxy call
+ _handler.startDocument();
+ }
+
+ /**
+ * Implements org.xml.sax.ContentHandler.endDocument()
+ * Receive notification of the end of a document.
+ */
+ public void endDocument() throws SAXException {
+ // Signal to the DOMBuilder that the document is complete
+ _handler.endDocument();
+
+ if (!_isIdentity) {
+ // Run the transformation now if we have a reference to a Result object
+ if (_result != null) {
+ try {
+ _transformer.setDOM(_dom);
+ _transformer.transform(null, _result);
+ }
+ catch (TransformerException e) {
+ throw new SAXException(e);
+ }
+ }
+ // Signal that the internal DOM is built (see 'setResult()').
+ _done = true;
+
+ // Set this DOM as the transformer's DOM
+ _transformer.setDOM(_dom);
+ }
+ if (_isIdentity && _result instanceof DOMResult) {
+ ((DOMResult)_result).setNode(_transformer.getTransletOutputHandlerFactory().getNode());
+ }
+ }
+
+ /**
+ * Implements org.xml.sax.ContentHandler.startElement()
+ * Receive notification of the beginning of an element.
+ */
+ public void startElement(String uri, String localName,
+ String qname, Attributes attributes)
+ throws SAXException
+ {
+ _handler.startElement(uri, localName, qname, attributes);
+ }
+
+ /**
+ * Implements org.xml.sax.ContentHandler.endElement()
+ * Receive notification of the end of an element.
+ */
+ public void endElement(String namespaceURI, String localName, String qname)
+ throws SAXException
+ {
+ _handler.endElement(namespaceURI, localName, qname);
+ }
+
+ /**
+ * Implements org.xml.sax.ContentHandler.processingInstruction()
+ * Receive notification of a processing instruction.
+ */
+ public void processingInstruction(String target, String data)
+ throws SAXException
+ {
+ _handler.processingInstruction(target, data);
+ }
+
+ /**
+ * Implements org.xml.sax.ext.LexicalHandler.startCDATA()
+ */
+ public void startCDATA() throws SAXException {
+ if (_lexHandler != null) {
+ _lexHandler.startCDATA();
+ }
+ }
+
+ /**
+ * Implements org.xml.sax.ext.LexicalHandler.endCDATA()
+ */
+ public void endCDATA() throws SAXException {
+ if (_lexHandler != null) {
+ _lexHandler.endCDATA();
+ }
+ }
+
+ /**
+ * Implements org.xml.sax.ext.LexicalHandler.comment()
+ * Receieve notification of a comment
+ */
+ public void comment(char[] ch, int start, int length)
+ throws SAXException
+ {
+ if (_lexHandler != null) {
+ _lexHandler.comment(ch, start, length);
+ }
+ }
+
+ /**
+ * Implements org.xml.sax.ContentHandler.ignorableWhitespace()
+ * Receive notification of ignorable whitespace in element
+ * content. Similar to characters(char[], int, int).
+ */
+ public void ignorableWhitespace(char[] ch, int start, int length)
+ throws SAXException
+ {
+ _handler.ignorableWhitespace(ch, start, length);
+ }
+
+ /**
+ * Implements org.xml.sax.ContentHandler.setDocumentLocator()
+ * Receive an object for locating the origin of SAX document events.
+ */
+ public void setDocumentLocator(Locator locator) {
+ _locator = locator;
+
+ if (_handler != null) {
+ _handler.setDocumentLocator(locator);
+ }
+ }
+
+ /**
+ * Implements org.xml.sax.ContentHandler.skippedEntity()
+ * Receive notification of a skipped entity.
+ */
+ public void skippedEntity(String name) throws SAXException {
+ _handler.skippedEntity(name);
+ }
+
+ /**
+ * Implements org.xml.sax.ContentHandler.startPrefixMapping()
+ * Begin the scope of a prefix-URI Namespace mapping.
+ */
+ public void startPrefixMapping(String prefix, String uri)
+ throws SAXException {
+ _handler.startPrefixMapping(prefix, uri);
+ }
+
+ /**
+ * Implements org.xml.sax.ContentHandler.endPrefixMapping()
+ * End the scope of a prefix-URI Namespace mapping.
+ */
+ public void endPrefixMapping(String prefix) throws SAXException {
+ _handler.endPrefixMapping(prefix);
+ }
+
+ /**
+ * Implements org.xml.sax.ext.LexicalHandler.startDTD()
+ */
+ public void startDTD(String name, String publicId, String systemId)
+ throws SAXException
+ {
+ if (_lexHandler != null) {
+ _lexHandler.startDTD(name, publicId, systemId);
+ }
+ }
+
+ /**
+ * Implements org.xml.sax.ext.LexicalHandler.endDTD()
+ */
+ public void endDTD() throws SAXException {
+ if (_lexHandler != null) {
+ _lexHandler.endDTD();
+ }
+ }
+
+ /**
+ * Implements org.xml.sax.ext.LexicalHandler.startEntity()
+ */
+ public void startEntity(String name) throws SAXException {
+ if (_lexHandler != null) {
+ _lexHandler.startEntity(name);
+ }
+ }
+
+ /**
+ * Implements org.xml.sax.ext.LexicalHandler.endEntity()
+ */
+ public void endEntity(String name) throws SAXException {
+ if (_lexHandler != null) {
+ _lexHandler.endEntity(name);
+ }
+ }
+
+ /**
+ * Implements org.xml.sax.DTDHandler.unparsedEntityDecl()
+ */
+ public void unparsedEntityDecl(String name, String publicId,
+ String systemId, String notationName) throws SAXException
+ {
+ if (_dtdHandler != null) {
+ _dtdHandler.unparsedEntityDecl(name, publicId, systemId,
+ notationName);
+ }
+ }
+
+ /**
+ * Implements org.xml.sax.DTDHandler.notationDecl()
+ */
+ public void notationDecl(String name, String publicId, String systemId)
+ throws SAXException
+ {
+ if (_dtdHandler != null) {
+ _dtdHandler.notationDecl(name, publicId, systemId);
+ }
+ }
+
+ /**
+ * Implements org.xml.sax.ext.DeclHandler.attributeDecl()
+ */
+ public void attributeDecl(String eName, String aName, String type,
+ String valueDefault, String value) throws SAXException
+ {
+ if (_declHandler != null) {
+ _declHandler.attributeDecl(eName, aName, type, valueDefault, value);
+ }
+ }
+
+ /**
+ * Implements org.xml.sax.ext.DeclHandler.elementDecl()
+ */
+ public void elementDecl(String name, String model)
+ throws SAXException
+ {
+ if (_declHandler != null) {
+ _declHandler.elementDecl(name, model);
+ }
+ }
+
+ /**
+ * Implements org.xml.sax.ext.DeclHandler.externalEntityDecl()
+ */
+ public void externalEntityDecl(String name, String publicId, String systemId)
+ throws SAXException
+ {
+ if (_declHandler != null) {
+ _declHandler.externalEntityDecl(name, publicId, systemId);
+ }
+ }
+
+ /**
+ * Implements org.xml.sax.ext.DeclHandler.externalEntityDecl()
+ */
+ public void internalEntityDecl(String name, String value)
+ throws SAXException
+ {
+ if (_declHandler != null) {
+ _declHandler.internalEntityDecl(name, value);
+ }
+ }
+
+
+ /** Implementation of the reset() method
+ *
+ */
+ public void reset() {
+ _systemId = null;
+ _dom = null;
+ _handler = null;
+ _lexHandler = null;
+ _dtdHandler = null;
+ _declHandler = null;
+ _result = null;
+ _locator = null;
+ }
+}