owlfactory.java

开发owl的API,提供了W3C规定标准接口,是目前比较少的API.

// The MIT License
//
// Copyright (c) 2004 Evren Sirin
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.

/*
 * Created on Dec 29, 2003
 *
 */
package org.mindswap.owl;

import java.net.URI;
import java.net.URISyntaxException;

import org.mindswap.owl.impl.OWLReaderImpl;
import org.mindswap.owl.impl.OWLReasonerImpl;
import org.mindswap.owl.impl.OWLResourceImpl;

import com.hp.hpl.jena.rdf.model.Model;
import com.hp.hpl.jena.rdf.model.ModelFactory;
import com.hp.hpl.jena.rdf.model.Resource;

/**
 * @author Evren Sirin
 *
 */
public class OWLFactory {
	private static Model jena = ModelFactory.createDefaultModel();
		
	private static OWLReader   reader  = new OWLReaderImpl();
	private static OWLReasoner reasoner = new OWLReasonerImpl();

	public static OWLReader createOWLReader() { return reader; }
	public static OWLReasoner createOWLReasoner() { return reasoner; }
	
	public static URI createURI(String s) {
		try {
			return new URI(s);
		} catch (URISyntaxException e) {
			return null;
		}
	}
	/**
	 * @param uri
	 * @return
	 */
	public static OWLResource createOWLResource(Resource r) {
		return new OWLResourceImpl(r);
	}
	/**
	 * @param uri
	 * @return
	 */
	public static OWLResource createOWLResource(URI uri) {
		return new OWLResourceImpl(jena.createResource(uri.toString()));
	}	
}