/*
* Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
*
* This software is open source.
* See the bottom of this file for the licence.
*/
package org.dom4j.io;
import org.dom4j.DocumentFactory;
import org.dom4j.Element;
import org.dom4j.ElementHandler;
import org.xml.sax.Attributes;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
import java.io.IOException;
/**
* This extension of the SAXContentHandler writes SAX events immediately to the
* provided XMLWriter, unless some {@link org.dom4.ElementHandler}is still
* handling the current Element.
*
* @author Wonne Keysers (Realsoftware.be)
* @see org.dom4j.io.SAXContentHandler
*/
class SAXModifyContentHandler extends SAXContentHandler {
private XMLWriter xmlWriter;
public SAXModifyContentHandler() {
}
public SAXModifyContentHandler(DocumentFactory documentFactory) {
super(documentFactory);
}
public SAXModifyContentHandler(DocumentFactory documentFactory,
ElementHandler elementHandler) {
super(documentFactory, elementHandler);
}
public SAXModifyContentHandler(DocumentFactory documentFactory,
ElementHandler elementHandler, ElementStack elementStack) {
super(documentFactory, elementHandler, elementStack);
}
public void setXMLWriter(XMLWriter writer) {
this.xmlWriter = writer;
}
public void startCDATA() throws SAXException {
super.startCDATA();
if (!activeHandlers() && (xmlWriter != null)) {
xmlWriter.startCDATA();
}
}
public void startDTD(String name, String publicId, String systemId)
throws SAXException {
super.startDTD(name, publicId, systemId);
if (xmlWriter != null) {
xmlWriter.startDTD(name, publicId, systemId);
}
}
public void endDTD() throws org.xml.sax.SAXException {
super.endDTD();
if (xmlWriter != null) {
xmlWriter.endDTD();
}
}
public void comment(char[] characters, int parm2, int parm3)
throws SAXException {
super.comment(characters, parm2, parm3);
if (!activeHandlers() && (xmlWriter != null)) {
xmlWriter.comment(characters, parm2, parm3);
}
}
public void startEntity(String name) throws SAXException {
super.startEntity(name);
if (xmlWriter != null) {
xmlWriter.startEntity(name);
}
}
public void endCDATA() throws org.xml.sax.SAXException {
super.endCDATA();
if (!activeHandlers() && (xmlWriter != null)) {
xmlWriter.endCDATA();
}
}
public void endEntity(String name) throws SAXException {
super.endEntity(name);
if (xmlWriter != null) {
xmlWriter.endEntity(name);
}
}
public void unparsedEntityDecl(String name, String publicId,
String systemId, String notation) throws SAXException {
super.unparsedEntityDecl(name, publicId, systemId, notation);
if (!activeHandlers() && (xmlWriter != null)) {
xmlWriter.unparsedEntityDecl(name, publicId, systemId, notation);
}
}
public void notationDecl(String name, String publicId, String systemId)
throws SAXException {
super.notationDecl(name, publicId, systemId);
if (xmlWriter != null) {
xmlWriter.notationDecl(name, publicId, systemId);
}
}
public void startElement(String uri, String localName, String qName,
Attributes atts) throws SAXException {
super.startElement(uri, localName, qName, atts);
if (!activeHandlers() && (xmlWriter != null)) {
xmlWriter.startElement(uri, localName, qName, atts);
}
}
public void startDocument() throws SAXException {
super.startDocument();
if (xmlWriter != null) {
xmlWriter.startDocument();
}
}
public void ignorableWhitespace(char[] parm1, int parm2, int parm3)
throws SAXException {
super.ignorableWhitespace(parm1, parm2, parm3);
if (!activeHandlers() && (xmlWriter != null)) {
xmlWriter.ignorableWhitespace(parm1, parm2, parm3);
}
}
public void processingInstruction(String target, String data)
throws SAXException {
super.processingInstruction(target, data);
if (!activeHandlers() && (xmlWriter != null)) {
xmlWriter.processingInstruction(target, data);
}
}
public void setDocumentLocator(Locator locator) {
super.setDocumentLocator(locator);
if (xmlWriter != null) {
xmlWriter.setDocumentLocator(locator);
}
}
public void skippedEntity(String name) throws SAXException {
super.skippedEntity(name);
if (!activeHandlers() && (xmlWriter != null)) {
xmlWriter.skippedEntity(name);
}
}
public void endDocument() throws SAXException {
super.endDocument();
if (xmlWriter != null) {
xmlWriter.endDocument();
}
}
public void startPrefixMapping(String prefix, String uri)
throws SAXException {
super.startPrefixMapping(prefix, uri);
if (xmlWriter != null) {
xmlWriter.startPrefixMapping(prefix, uri);
}
}
public void endElement(String uri, String localName, String qName)
throws SAXException {
ElementHandler currentHandler = getElementStack().getDispatchHandler()
.getHandler(getElementStack().getPath());
super.endElement(uri, localName, qName);
if (!activeHandlers()) {
if (xmlWriter != null) {
if (currentHandler == null) {
xmlWriter.endElement(uri, localName, qName);
} else if (currentHandler instanceof SAXModifyElementHandler) {
SAXModifyElementHandler modifyHandler
= (SAXModifyElementHandler) currentHandler;
Element modifiedElement = modifyHandler
.getModifiedElement();
try {
xmlWriter.write(modifiedElement);
} catch (IOException ex) {
throw new SAXModifyException(ex);
}
}
}
}
}
public void endPrefixMapping(String prefix) throws SAXException {
super.endPrefixMapping(prefix);
if (xmlWriter != null) {
xmlWriter.endPrefixMapping(prefix);
}
}
public void characters(char[] parm1, int parm2, int parm3)
throws SAXException {
super.characters(parm1, parm2, parm3);
if (!activeHandlers() && (xmlWriter != null)) {
xmlWriter.characters(parm1, parm2, parm3);
}
}
protected XMLWriter getXMLWriter() {
return this.xmlWriter;
}
private boolean activeHandlers() {
DispatchHandler handler = getElementStack().getDispatchHandler();
return handler.getActiveHandlerCount() > 0;
}
}
/*
* Redistribution and use of this software and associated documentation
* ("Software"), with or without modification, are permitted provided that the
* following conditions are met:
*
* 1. Redistributions of source code must retain copyright statements and
* notices. Redistributions must also contain a copy of this document.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The name "DOM4J" must not be used to endorse or promote products derived
* from this Software without prior written permission of MetaStuff, Ltd. For
* written permission, please contact dom4j-info@metastuff.com.
*
* 4. Products derived from this Software may not be called "DOM4J" nor may
* "DOM4J" appear in their names without prior written permission of MetaStuff,
* Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
*
* 5. Due credit should be given to the DOM4J Project - http://dom4j.sourceforge.net
*
* THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
*/