/*
* 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.assembler.assemblers;
import com.hp.hpl.jena.assembler.*;
import com.hp.hpl.jena.rdf.model.*;
import com.hp.hpl.jena.shared.PrefixMapping;
public class PrefixMappingAssembler extends AssemblerBase implements Assembler
{
@Override
public Object open( Assembler a, Resource root, Mode irrelevant )
{
checkType( root, JA.PrefixMapping );
return getPrefixes( a, root, PrefixMapping.Factory.create() );
}
public static PrefixMapping getPrefixes( Assembler a, Resource root, PrefixMapping result )
{
setSimplePrefixes( root, result );
includePrefixesFor( a, root, result, JA.includes );
includePrefixesFor( a, root, result, JA.prefixMapping );
return result;
}
private static void includePrefixesFor( Assembler a, Resource root, PrefixMapping result, Property includeUsing )
{
for (StmtIterator it = root.listProperties( includeUsing ); it.hasNext();)
{
Statement s = it.nextStatement();
PrefixMapping sub = (PrefixMapping) a.open( getResource( s ) );
result.setNsPrefixes( sub );
}
}
private static void setSimplePrefixes( Resource root, PrefixMapping result )
{
if (root.hasProperty( JA.prefix ))
{
Literal prefix = getUniqueLiteral( root, JA.prefix );
Literal namespace = getUniqueLiteral( root, JA.namespace );
result.setNsPrefix( prefix.getLexicalForm(), namespace.getLexicalForm() );
}
}
}