/*
* 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.
*/
/*
* URIReference.java
*
* Created on June 25, 2001, 9:58 PM
*/
package com.hp.hpl.jena.rdf.arp.impl;
import org.xml.sax.SAXParseException;
import com.hp.hpl.jena.iri.IRI;
import com.hp.hpl.jena.rdf.arp.ARPErrorNumbers;
import com.hp.hpl.jena.rdf.arp.states.Frame;
// TODO: not for 2.3 IRI spec conformance
/**
*
* @author jjc
*
*/
public class URIReference extends TaintImpl implements AResourceInternal, ARPErrorNumbers {
/** Creates new URIReference */
final private String uri;
// URIReference(Location l, AbsXMLContext ctxt,String uri) throws
// URISyntaxException, ParseException {
//
// // this.uri = new URI(ctxt.getURI(),URIref.encode(uri));
// this.uri = ctxt.resolve(l, uri);
// }
protected URIReference(String uri) {
// this.uri = new URI(URIref.encode(uri));
this.uri = uri;
if (uri==null)
throw new NullPointerException();
}
// URIReference() {
// uri = null;
// }
@Override
public String toString() {
return uri;
}
@Override
public boolean isAnonymous() {
return false;
}
@Override
public String getAnonymousID() {
return null;
}
@Override
public String getURI() {
return uri;
}
@Override
public Object getUserData() {
throw new IllegalStateException(
"User data only supported on blank nodes");
}
@Override
public void setUserData(Object d) {
throw new IllegalStateException(
"User data only supported on blank nodes");
}
/**
* Does not compare userData field, only URI.
*/
@Override
public boolean equals(Object o) {
return o != null && (o instanceof URIReference)
&& uri.equals(((URIReference) o).uri);
}
@Override
public int hashCode() {
return uri.hashCode();
}
/*
* (non-Javadoc)
*
* @see com.hp.hpl.jena.rdf.arp.AResource#hasNodeID()
*/
@Override
public boolean hasNodeID() {
return false;
}
/*
* (non-Javadoc)
*
* @see com.hp.hpl.jena.rdf.arp.AResourceInternal#setHasBeenUsed()
*/
@Override
public void setHasBeenUsed() {
}
/*
* (non-Javadoc)
*
* @see com.hp.hpl.jena.rdf.arp.AResourceInternal#getHasBeenUsed()
*/
@Override
public boolean getHasBeenUsed() {
throw new UnsupportedOperationException("Internal error");
}
/**
*
* @param f
* A frame for error reporting. AbsXMLContext of frame is ignored.
* @param x
* The XML context for the base URI
* @param name
* The local name
* @return The resulting URI
* @throws SAXParseException
*/
public static URIReference fromID(Frame f, AbsXMLContext x, String name)
throws SAXParseException {
// Other errors are checked for by the AttributeLexer
URIReference rslt = resolve(f,x,"#"+name);
f.checkIdSymbol(rslt,x,name);
return rslt;
}
/**
*
* @param f
* A frame for error reporting. AbsXMLContext of frame is ignored.
* @param ctxt
* The XML context for the base URI
* @param uri
* Input string, may be relative etc.
* @return The resolved URI
* @throws SAXParseException
*/
public static URIReference resolve(Frame f, AbsXMLContext ctxt, String uri)
throws SAXParseException {
Taint taintMe = new TaintImpl();
IRI iri = ctxt.resolveAsURI(f.arp,taintMe,uri);
f.checkEncoding(taintMe,uri);
URIReference rslt = new URIReference(iri.toString());
if (taintMe.isTainted())
rslt.taint();
return rslt;
}
public static URIReference fromQName(Frame f, String ns, String local)
throws SAXParseException {
URIReference rslt = new URIReference(ns + local);
f.checkEncoding(rslt,local);
// TODO: not for 2.3 move some of the check upwards ...
IRI iri = f.arp.iriFactory().create(ns+local);
AbsXMLContext.checkURI(f.arp,rslt,iri);
return rslt;
}
public static URIReference createNoChecks(String uri) {
return new UntaintableURIReference(uri);
}
}