org.sakaiproject.tool.assessment.qti.util.URIResolver.java Source code

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Here is the source code for org.sakaiproject.tool.assessment.qti.util.URIResolver.java

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/**********************************************************************************
 * $URL$
 * $Id$
 ***********************************************************************************
 *
 * Copyright (c) 2005, 2006, 2008 The Sakai Foundation
 *
 * Licensed under the Educational Community 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.opensource.org/licenses/ECL-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 org.sakaiproject.tool.assessment.qti.util;

import java.net.URI;
import java.net.URISyntaxException;
import javax.xml.transform.Source;
import javax.xml.transform.TransformerException;
import javax.xml.transform.stream.StreamSource;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * <p>Copyright: Copyright (c) 2005</p>
 * <p>Organization: Sakai Project</p>
 * @author palcasi
 * @version $Id$
 */
public class URIResolver implements javax.xml.transform.URIResolver {
    private static Log log = LogFactory.getLog(URIResolver.class);

    public URIResolver() {
    }

    /* (non-Javadoc)
     * @see javax.xml.transform.URIResolver#resolve(java.lang.String, java.lang.String)
     */
    public Source resolve(String href, String base) throws TransformerException {
        Source source = null;
        String path = null;
        try {
            URI uri = new URI(base);
            path = uri.resolve(href).toString();
            source = new StreamSource(path);
        } catch (URISyntaxException e) {
            log.error(e);
            throw new RuntimeException(e);
        }

        return source;
    }

}