/*
* 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.
*/
/*
* XMLContext.java
*
* Created on July 10, 2001, 2:35 AM
*/
package org.apache.jena.rdfxml.xmlinput.impl;
import org.apache.jena.iri.IRI ;
import org.apache.jena.rdfxml.xmlinput.ARPErrorNumbers ;
import org.xml.sax.SAXParseException ;
/**
*
* Both the baseURI and the lang may be tainted with errors. They should not be
* accessed without providing a taint object to propogate such tainting.
*/
public class XMLContext extends AbsXMLContext implements ARPErrorNumbers
{
// final private String base;
/**
* Creates new XMLContext
*
* @throws SAXParseException
*/
XMLContext(XMLHandler h, String base) throws SAXParseException {
this(h, h.iriFactory().create(base));
}
protected XMLContext(XMLHandler h, IRI uri, Taint baseT) {
super(!h.ignoring(IGN_XMLBASE_SIGNIFICANT), null, uri, baseT, "",
new TaintImpl());
}
private XMLContext(XMLHandler h, IRI baseMaybeWithFrag)
throws SAXParseException {
this(h, baseMaybeWithFrag.create(""), baseMaybeWithFrag);
}
private XMLContext(XMLHandler h, IRI base,
IRI baseMaybeWithFrag) throws SAXParseException {
this(h, base, initTaint(h, baseMaybeWithFrag));
}
XMLContext(boolean b, AbsXMLContext document, IRI uri,
Taint baseT, String lang, Taint langT) {
super(b, document, uri, baseT, lang, langT);
}
@Override
boolean keepDocument(XMLHandler forErrors) {
return true;
}
boolean isSameAsDocument() {
return this == document
|| (uri == null ? document.uri == null : uri
.equals(document.uri));
}
@Override
AbsXMLContext clone(IRI u, Taint baseT, String lng,
Taint langT) {
return new XMLContext(true, document, u, baseT, lng, langT);
}
void baseUsed(XMLHandler forErrors, Taint taintMe, String relUri,
String resolvedURI) throws SAXParseException {
if (document == null || relUri.equals(resolvedURI))
return;
if (!isSameAsDocument()) {
String other = document.uri.create(relUri).toString();
if (!other.equals(resolvedURI)) {
forErrors.warning(taintMe, IGN_XMLBASE_SIGNIFICANT,
"Use of attribute xml:base changes interpretation of relative URI: \""
+ relUri + "\".");
}
}
}
@Override
void checkBaseUse(XMLHandler forErrors, Taint taintMe, String relUri,
IRI rslt) throws SAXParseException {
if (document == null)
return;
String resolvedURI = rslt.toString();
if (relUri.equals(resolvedURI))
return;
if (!isSameAsDocument()) {
String other = document.uri.create(relUri).toString();
if (!other.equals(resolvedURI)) {
forErrors.warning(taintMe, IGN_XMLBASE_SIGNIFICANT,
"Use of attribute xml:base changes interpretation of relative URI: \""
+ relUri + "\".");
}
}
}
}