/*
* 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.sparql.sse.builders;
import org.apache.jena.atlas.lib.StrUtils ;
import com.hp.hpl.jena.graph.Node ;
import com.hp.hpl.jena.shared.PrefixMapping ;
import com.hp.hpl.jena.shared.impl.PrefixMappingImpl ;
import com.hp.hpl.jena.sparql.sse.Item ;
import com.hp.hpl.jena.sparql.sse.ItemList ;
import com.hp.hpl.jena.sparql.sse.Tags ;
/** Build a prefixmapping, tagged (prefixmap pairs) or (prefixmapping pairs)
* each pair being a PrefixName, but must end : and an IRI.
*
* Can also just a list of pairs. */
public class BuilderPrefixMapping
{
public static PrefixMapping build(Item elt)
{
PrefixMapping pmap = new PrefixMappingImpl() ;
build(pmap, elt) ;
return pmap ;
}
public static void build(PrefixMapping newMappings, Item elt)
{
if ( ! elt.isList() )
BuilderLib.broken(elt, "Prefix mapping requires a list of pairs", elt) ;
ItemList prefixes = elt.getList() ;
// Strip (prefixmapping ...)
if ( elt.isTaggedIgnoreCase(Tags.tagPrefixMap) || elt.isTaggedIgnoreCase(Tags.tagPrefixMapping) )
{
BuilderLib.checkLength(2, elt.getList(), "Not of length 2"+elt.shortString()) ;
// drop the tag
prefixes = prefixes.cdr();
}
for (Item pair : prefixes)
{
if ( !pair.isList() || pair.getList().size() != 2 )
BuilderLib.broken(pair, "Not a prefix/IRI pair") ;
Item prefixItem = pair.getList().get(0) ;
Item iriItem = pair.getList().get(1) ;
// Maybe a Node (fake prefixed name) or a Symbol, depending on parser set up.
String prefix = null ;
// -- Prefix as symbol
if ( prefixItem.isSymbol() )
prefix = prefixItem.getSymbol() ;
// -- Prefix as Node
// if ( prefixItem.isNode())
// {
// Node n = prefixItem.getNode() ;
// if ( ! n.isURI() )
// BuilderBase.broken(pair, "Prefix part is not a prefixed name: "+pair) ;
//
// prefix = n.getURI();
// // It will look like :x:
//
// if ( ! prefix.startsWith(":") )
// BuilderBase.broken(pair, "Prefix part is not a prefix name: "+pair) ;
// prefix = prefix.substring(1) ;
// }
if ( prefix == null )
BuilderLib.broken(pair, "Prefix part not recognized: "+prefixItem) ;
if ( ! prefix.endsWith(":") )
BuilderLib.broken(pair, "Prefix part does not end with a ':': "+pair) ;
prefix = prefix.substring(0, prefix.length()-1) ;
if ( StrUtils.contains(prefix, ":") )
BuilderLib.broken(pair, "Prefix itself contains a ':' : "+pair) ;
// -- /Prefix
Node iriNode = iriItem.getNode() ;
if ( iriNode == null || ! iriNode.isURI() )
BuilderLib.broken(pair, "Not an IRI: "+iriItem) ;
String iri = iriNode.getURI();
newMappings.setNsPrefix(prefix, iri) ;
}
}
}