jaxws/src/share/classes/com/sun/xml/internal/xsom/impl/EmptyImpl.java

/*
 * Copyright 2005-2006 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun 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,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */
package com.sun.xml.internal.xsom.impl;

import com.sun.xml.internal.xsom.XSContentType;
import com.sun.xml.internal.xsom.XSParticle;
import com.sun.xml.internal.xsom.XSSimpleType;
import com.sun.xml.internal.xsom.visitor.XSContentTypeFunction;
import com.sun.xml.internal.xsom.visitor.XSContentTypeVisitor;
import com.sun.xml.internal.xsom.visitor.XSFunction;
import com.sun.xml.internal.xsom.visitor.XSVisitor;

/**
 *
 * @author
 *     Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
 */
public class EmptyImpl extends ComponentImpl implements ContentTypeImpl {
    public EmptyImpl() { super(null,null,null,null); }

    public XSSimpleType asSimpleType()  { return null; }
    public XSParticle asParticle()      { return null; }
    public XSContentType asEmpty()      { return this; }

    public Object apply( XSContentTypeFunction function ) {
        return function.empty(this);
    }
    public Object apply( XSFunction function ) {
        return function.empty(this);
    }
    public void visit( XSVisitor visitor ) {
        visitor.empty(this);
    }
    public void visit( XSContentTypeVisitor visitor ) {
        visitor.empty(this);
    }

    public XSContentType getContentType() { return this; }
}