/**
* Copyright (C) 2010 Orbeon, Inc.
*
* This program is free software; you can redistribute it and/or modify it under the terms of the
* GNU Lesser General Public License as published by the Free Software Foundation; either version
* 2.1 of the License, or (at your option) any later version.
*
* This program 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 Lesser General Public License for more details.
*
* The full text of the license is available at http://www.gnu.org/copyleft/lesser.html
*/
package org.orbeon.oxf.xml;
import org.orbeon.oxf.common.OXFException;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.AttributesImpl;
/**
* Receiver with an additional method allowing for adding attributes.
*/
public class DeferredXMLReceiverImpl extends ForwardingXMLReceiver implements DeferredXMLReceiver {
private boolean storedElement;
private String uri;
private String localname;
private String qName;
private AttributesImpl attributes;
public DeferredXMLReceiverImpl(XMLReceiver xmlReceiver) {
super(xmlReceiver);
}
public void startElement(String uri, String localname, String qName, Attributes attributes) throws SAXException {
flush();
storedElement = true;
this.uri = uri;
this.localname = localname;
this.qName = qName;
this.attributes = new AttributesImpl(attributes);
}
public void addAttribute(String localname, String value) {
addAttribute("", localname, localname, value);
}
public void addAttribute(String uri, String localname, String qName, String value) {
if (!storedElement)
throw new OXFException("addAttribute called within no element.");
attributes.addAttribute(uri, localname, qName, "CDATA", value);
}
public void characters(char[] chars, int start, int length) throws SAXException {
flush();
super.characters(chars, start, length);
}
public void endDocument() throws SAXException {
super.endDocument();
}
public void endElement(String uri, String localname, String qName) throws SAXException {
flush();
super.endElement(uri, localname, qName);
}
private void flush() throws SAXException {
if (storedElement) {
super.startElement(uri, localname, qName, attributes);
storedElement = false;
}
}
}