/*
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 *
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 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Oracle nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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package com.sun.msv.scanner.dtd;

import java.io.IOException;
import java.net.URL;

import org.xml.sax.EntityResolver;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
class ExternalEntity extends EntityDecl
{
    String    systemId;    // resolved URI (not relative)
    String    publicId;    // "-//xyz//....//en"
    String    notation;
    
    public ExternalEntity (InputEntity in) { }
    
    public InputSource getInputSource (EntityResolver r)
                       throws IOException, SAXException {

        InputSource    retval;
    
        retval = r.resolveEntity (publicId, systemId);
        // SAX sez if null is returned, use the URI directly
        if (retval == null)
            retval = Resolver.createInputSource (new URL (systemId), false);
        return retval;
    }
}
