com.sun.xml.xsom.impl.EmptyImpl Maven / Gradle / Ivy

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/*
 * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Distribution License v. 1.0, which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

package com.sun.xml.xsom.impl;

/*-
 * #%L
 * XSOM
 * %%
 * Copyright (C) 2019 - 2020 Entur
 * %%
 * Licensed under the EUPL, Version 1.1 or – as soon they will be
 * approved by the European Commission - subsequent versions of the
 * EUPL (the "Licence");
 * 
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * 
 * http://ec.europa.eu/idabc/eupl5
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 * #L%
 */

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

/**
 * 
 * @author
 *     Kohsuke Kawaguchi ([email protected])
 */
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; }
}