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/*
 * Copyright (C) 2004-2011
 * 
 * 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.
 */
package com.sun.tools.rngom.parse.xml;

import org.xml.sax.DTDHandler;
import org.xml.sax.SAXException;
import com.sun.tools.rngdatatype.ValidationContext;

import java.util.Hashtable;

public abstract class DtdContext implements DTDHandler, ValidationContext {
    private final Hashtable notationTable;
    private final Hashtable unparsedEntityTable;

    public DtdContext() {
        notationTable = new Hashtable();
        unparsedEntityTable = new Hashtable();
    }

    public DtdContext(DtdContext dc) {
        notationTable = dc.notationTable;
        unparsedEntityTable = dc.unparsedEntityTable;
    }

    public void notationDecl(String name, String publicId, String systemId)
        throws SAXException {
        notationTable.put(name, name);
    }

    public void unparsedEntityDecl(
        String name,
        String publicId,
        String systemId,
        String notationName)
        throws SAXException {
        unparsedEntityTable.put(name, name);
    }

    public boolean isNotation(String notationName) {
        return notationTable.get(notationName) != null;
    }

    public boolean isUnparsedEntity(String entityName) {
        return unparsedEntityTable.get(entityName) != null;
    }

    public void clearDtdContext() {
        notationTable.clear();
        unparsedEntityTable.clear();
    }
}