/*
* 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 arq.cmdline;
import jena.cmd.ArgDecl;
import jena.cmd.CmdArgModule;
import jena.cmd.CmdException;
import jena.cmd.CmdGeneral;
import jena.cmd.ModBase;
import org.apache.jena.rdf.model.Resource ;
import org.apache.jena.shared.JenaException ;
import org.apache.jena.shared.NotFoundException ;
import org.apache.jena.sparql.ARQException ;
import org.apache.jena.sparql.core.assembler.AssemblerUtils ;
public class ModAssembler extends ModBase
{
public static final ArgDecl assemblerDescDecl = new ArgDecl(ArgDecl.HasValue, "desc", "dataset") ;
private String assemblerFile = null ;
Object thingDescribed = null ;
public ModAssembler()
{
// Wire in assembler implementations
AssemblerUtils.init() ;
}
// Dataset : default graph and named graphs
@Override
public void processArgs(CmdArgModule cmdLine)
{
if ( cmdLine.contains(assemblerDescDecl) )
assemblerFile = cmdLine.getValue(assemblerDescDecl) ;
}
@Override
public void registerWith(CmdGeneral cmdLine)
{
//cmdLine.getUsage().startCategory("Dataset") ;
cmdLine.add(assemblerDescDecl,
"--desc=",
"Assembler description file") ;
}
public String getAssemblerFile() { return assemblerFile ; }
// Should subclass and apply typing.
public Object create(Resource type)
{
Object thing = null ;
try {
thing = AssemblerUtils.build(assemblerFile, type) ;
}
catch (ARQException ex) { throw ex; }
catch (NotFoundException ex)
{ throw new CmdException("Not found: "+ex.getMessage()) ; }
catch (JenaException ex)
{ throw ex ; }
catch (Exception ex)
{ throw new CmdException("Error creating", ex) ; }
return thing ;
}
}