/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 2003 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. 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.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Xerces" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
 *    nor may "Apache" appear in their name, without prior written
 *    permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation and was
 * originally based on software copyright (c) 2003, International
 * Business Machines, Inc., http://www.apache.org.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

package com.sun.org.apache.xerces.internal.impl.xs.util;

import com.sun.org.apache.xerces.internal.impl.xs.SchemaGrammar;
import com.sun.org.apache.xerces.internal.impl.xs.XSModelImpl;
import com.sun.org.apache.xerces.internal.xs.XSModel;
import com.sun.org.apache.xerces.internal.util.XMLGrammarPoolImpl;
import com.sun.org.apache.xerces.internal.xni.grammars.XMLGrammarDescription;


/**
 * Add a method that return an <code>XSModel</code> that represents components in
 * the schema grammars in this pool implementation.*
 * @version $Id: XSGrammarPool.java,v 1.2 2003/11/11 20:15:00 sandygao Exp $
 */
public class XSGrammarPool extends XMLGrammarPoolImpl {
    /**
     * Return an <code>XSModel</code> that represents components in
     * the schema grammars in this pool implementation.
     *
     * @return  an <code>XSModel</code> representing this schema grammar
     */
    public XSModel toXSModel() {
        java.util.Vector list = new java.util.Vector();
        for (int i = 0; i < fGrammars.length; i++) {
            for (Entry entry = fGrammars[i] ; entry != null ; entry = entry.next) {
                if (entry.desc.getGrammarType().equals(XMLGrammarDescription.XML_SCHEMA))
                    list.addElement(entry.grammar);
            }
        }

        int size = list.size();
        if (size == 0)
            return null;
        SchemaGrammar[] gs = new SchemaGrammar[size];
        for (int i = 0; i < size; i++)
            gs[i] = (SchemaGrammar)list.elementAt(i);
        return new XSModelImpl(gs);
    }


} // class XSGrammarPool