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/*
 * Copyright (c) 2008, Your Corporation. All Rights Reserved.
 */

package org.glassfish.embed.impl;

import org.glassfish.web.WebEntityResolver;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;

import java.io.IOException;
import java.net.URL;
import static org.glassfish.embed.util.ServerConstants.DTD_RESOURCE_LOCATION;

/**
 * @author Kohsuke Kawaguchi
 * @author Byron Nevins
 */
public class EntityResolverImpl extends WebEntityResolver {
    public InputSource resolveEntity(String publicId, String systemId) throws SAXException, IOException {
        String fileName = knownDTDs.get(publicId);
        if(fileName!=null) {
            URL url = getClass().getResource(DTD_RESOURCE_LOCATION + "/" + fileName);

            if(url!=null)
                return new InputSource(url.toExternalForm());
        }
        return null;
    }
}