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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 * published by the Free Software Foundation.  Oracle designates this

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 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

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package com.sun.tools.internal.xjc.reader.relaxng;

import com.sun.tools.internal.xjc.reader.Const;

import com.sun.tools.internal.xjc.reader.internalizer.AbstractReferenceFinderImpl;

import com.sun.tools.internal.xjc.reader.internalizer.DOMForest;

import com.sun.tools.internal.xjc.reader.internalizer.InternalizationLogic;

import org.w3c.dom.Element;

import org.xml.sax.Attributes;

import org.xml.sax.helpers.XMLFilterImpl;

/**

 * RELAX NG specific internalization logic.

 *

 * @author

 *     Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)

 */

public class RELAXNGInternalizationLogic implements InternalizationLogic {

    /**

     * and parses those documents referenced by them.

     */

    private static final class ReferenceFinder extends AbstractReferenceFinderImpl {

        ReferenceFinder( DOMForest parent ) {

            super(parent);

        }

        protected String findExternalResource( String nsURI, String localName, Attributes atts) {

            if( Const.RELAXNG_URI.equals(nsURI)

            && ("include".equals(localName) || "externalRef".equals(localName) ) )

                return atts.getValue("href");

            else

                return null;

        }

    };

    public XMLFilterImpl createExternalReferenceFinder(DOMForest parent) {

        return new ReferenceFinder(parent);

    }

    public boolean checkIfValidTargetNode(DOMForest parent, Element bindings, Element target) {

        return Const.RELAXNG_URI.equals(target.getNamespaceURI());

    }

    public Element refineTarget(Element target) {

        // no refinement necessary

        return target;

    }

}