/*
* 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 com.hp.hpl.jena.rdf.arp.states;
import org.xml.sax.Attributes;
import org.xml.sax.SAXParseException;
import com.hp.hpl.jena.rdf.arp.impl.ARPString;
import com.hp.hpl.jena.rdf.arp.impl.AbsXMLContext;
public class WantLiteralValueOrDescription extends AbsWantLiteralValueOrDescription {
boolean seenAnElement = false;
public WantLiteralValueOrDescription(WantsObjectFrameI s, AbsXMLContext x) {
super(s, x);
}
@Override
public FrameI startElement(String uri, String localName, String rawName,
Attributes atts) throws SAXParseException {
if (seenAnElement) {
warning(ERR_SYNTAX_ERROR,"Multiple children of property element");
}
seenAnElement = true;
if (bufIsSet()) {
if (!isWhite(getBuf())) {
seenNonWhiteText=true;
warning(ERR_NOT_WHITESPACE,
"Cannot have both string data \"" +
getBuf().toString() +
"\" and XML data <"+ rawName +
"> inside a property element. Maybe you want rdf:parseType='Literal'.");
// setBuf(null);
} else {
setBuf(null);
}
}
FrameI rslt = super.startElement(uri, localName, rawName, atts);
((WantsObjectFrameI) getParent()).theObject(subject);
return rslt;
}
/** flag for seen non-white.
* Note: buf may have non-white text in, even if this falg is false.
* The following holds:
* seenAnElement && non white text as occurred => seenNonWhiteText
*/
private boolean seenNonWhiteText = false;
@Override
public void characters(char[] ch, int start, int length) throws SAXParseException {
if (seenAnElement) {
if (!isWhite(ch, start, length)) {
seenNonWhiteText=true;
warning(ERR_NOT_WHITESPACE,"Cannot have both string data: \"" +
new String(ch,start,length) +
"\"and XML data inside a property element. "+ suggestParsetypeLiteral());
}
}
super.characters(ch, start, length);
}
@Override
public void endElement() throws SAXParseException {
if ((!seenAnElement)||seenNonWhiteText) {
ARPString literal = new ARPString(this,getBuf().toString(),xml);
if (taint.isTainted()||seenAnElement)
literal.taint();
((WantsObjectFrameI) getParent()).theObject(
literal);
}
super.endElement();
}
}