/*
* 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 org.apache.jena.rdfxml.xmlinput.impl;
import org.apache.jena.rdfxml.xmlinput.SAX2RDF ;
import org.xml.sax.Attributes;
import org.xml.sax.ContentHandler;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import org.xml.sax.ext.LexicalHandler;
/**
* This class is public merely to reduce the amount of irrelevant documentation
* generated by Javadoc for {@link SAX2RDF}.
*
* There is nothing of interest in this JavaDoc. This if (depth>0) superclass
* implements the functionality needed by {@link SAX2RDF}. The API given here
* is the familiar SAX.
*/
public class SAX2RDFImpl extends XMLHandler implements LexicalHandler,
ContentHandler, ErrorHandler {
private int depth;
final private String lang;
protected SAX2RDFImpl(String base, String l) {
lang = l;
}
protected void initParse(String b) throws SAXParseException {
super.initParse(b,lang==null?"":lang);
}
/*
* (non-Javadoc)
*
* @see org.xml.sax.ext.LexicalHandler#endCDATA()
*/
@Override
public void endCDATA() throws SAXException {
if (depth > 0)
super.endCDATA();
}
/*
* (non-Javadoc)
*
* @see org.xml.sax.ext.LexicalHandler#endDTD()
*/
@Override
public void endDTD() throws SAXException {
if (depth > 0)
super.endDTD();
}
/*
* (non-Javadoc)
*
* @see org.xml.sax.ext.LexicalHandler#startCDATA()
*/
@Override
public void startCDATA() throws SAXException {
if (depth > 0)
super.startCDATA();
}
/*
* (non-Javadoc)
*
* @see org.xml.sax.ext.LexicalHandler#comment(char[], int, int)
*/
@Override
public void comment(char[] ch, int start, int length) throws SAXParseException {
if (depth > 0)
super.comment(ch, start, length);
}
/*
* (non-Javadoc)
*
* @see org.xml.sax.ext.LexicalHandler#endEntity(java.lang.String)
*/
@Override
public void endEntity(String name) throws SAXException {
if (depth > 0)
super.endEntity(name);
}
/*
* (non-Javadoc)
*
* @see org.xml.sax.ext.LexicalHandler#startEntity(java.lang.String)
*/
@Override
public void startEntity(String name) throws SAXException {
if (depth > 0)
super.startEntity(name);
}
/*
* (non-Javadoc)
*
* @see org.xml.sax.ext.LexicalHandler#startDTD(java.lang.String,
* java.lang.String, java.lang.String)
*/
@Override
public void startDTD(String name, String publicId, String systemId)
throws SAXException {
if (depth > 0)
super.startDTD(name, publicId, systemId);
}
/*
* (non-Javadoc)
*
* @see org.xml.sax.ContentHandler#endDocument()
*/
@Override
public void endDocument() throws SAXException {
if (depth > 0)
super.endDocument();
}
/*
* (non-Javadoc)
*
* @see org.xml.sax.ContentHandler#startDocument()
*/
@Override
public void startDocument() throws SAXException {
if (depth > 0)
super.startDocument();
}
/*
* (non-Javadoc)
*
* @see org.xml.sax.ContentHandler#characters(char[], int, int)
*/
@Override
public void characters(char[] ch, int start, int length)
throws SAXException {
if (depth > 0)
super.characters(ch, start, length);
}
/*
* (non-Javadoc)
*
* @see org.xml.sax.ContentHandler#ignorableWhitespace(char[], int, int)
*/
@Override
public void ignorableWhitespace(char[] ch, int start, int length)
throws SAXException {
if (depth > 0)
super.ignorableWhitespace(ch, start, length);
}
/*
* (non-Javadoc)
*
* @see org.xml.sax.ContentHandler#endPrefixMapping(java.lang.String)
*/
@Override
public void endPrefixMapping(String prefix) {
if (depth > 0)
super.endPrefixMapping(prefix);
}
/*
* (non-Javadoc)
*
* @see org.xml.sax.ContentHandler#skippedEntity(java.lang.String)
*/
@Override
public void skippedEntity(String name) throws SAXException {
if (depth > 0)
super.skippedEntity(name);
}
/*
* (non-Javadoc)
*
* @see org.xml.sax.ContentHandler#processingInstruction(java.lang.String,
* java.lang.String)
*/
@Override
public void processingInstruction(String target, String data)
throws SAXException {
if (depth > 0)
super.processingInstruction(target, data);
}
/*
* (non-Javadoc)
*
* @see org.xml.sax.ContentHandler#endElement(java.lang.String,
* java.lang.String, java.lang.String)
*/
@Override
public void endElement(String namespaceURI, String localName, String qName)
throws SAXException {
if (depth <= 0) {
// Does not return.
fatalError(new SAXParseException("Unmatched end tag: " + qName,
getLocator()));
}
super.endElement(namespaceURI, localName, qName);
if (--depth == 0) {
close();
}
}
protected void close() {
afterParse();
}
/*
* (non-Javadoc)
*
* @see org.xml.sax.ContentHandler#startElement(java.lang.String,
* java.lang.String, java.lang.String, org.xml.sax.Attributes)
*/
@Override
public void startElement(String namespaceURI, String localName,
String qName, Attributes atts) throws SAXException {
depth++;
super.startElement(namespaceURI, localName, qName, atts);
}
/*
* (non-Javadoc)
*
* @see org.xml.sax.ErrorHandler#error(org.xml.sax.SAXParseException)
*/
@Override
public void error(SAXParseException exception) throws SAXParseException {
super.error(exception);
}
/*
* (non-Javadoc)
* @see org.xml.sax.ErrorHandler.errorError(org.xml.sax.SAXParseException)
*/
@Override
public void fatalError(SAXParseException exception) throws SAXException {
super.fatalError(exception);
}
/*
* (non-Javadoc)
*
* @see org.xml.sax.ErrorHandler#warning(org.xml.sax.SAXParseException)
*/
@Override
public void warning(SAXParseException exception) throws SAXParseException {
super.warning(exception);
}
}