v2/src/marshal/org/apache/xmlbeans/impl/marshal/SimpleTypeVisitor.java

/*
* 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 "Apache" 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
*    XMLBeans", 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
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* 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
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* 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) 2000-2003 BEA Systems
* Inc., <http://www.bea.com/>. For more information on the Apache Software
* Foundation, please see <http://www.apache.org/>.
*/

package org.apache.xmlbeans.impl.marshal;

import org.apache.xmlbeans.impl.util.XsTypeConverter;

import javax.xml.namespace.QName;

final class SimpleTypeVisitor extends NamedXmlTypeVisitor
{
    private int state = START;
    private QName attributeName;

    private static final String NIL_ATT_VAL =
        XsTypeConverter.printBoolean(true).intern();
    private final CharacterVisitor charVisitor;

    public SimpleTypeVisitor(RuntimeBindingProperty property, Object obj,
                             MarshallerImpl context)
    {
        super(obj, property, context);
        charVisitor = new CharacterVisitor(getBindingProperty(), getParentObject(), marshalContext);
    }

    protected int getState()
    {
        return state;
    }

    protected int advance()
    {
        final int newstate;
        switch (state) {
            case START:
                if (getParentObject() == null) {
                    newstate = END;
                } else {
                    newstate = CHARS;
                }
                break;
            case CHARS:
                newstate = END;
                break;
            default:
                throw new AssertionError("invalid state: " + state);
        }
        state = newstate;
        return newstate;
    }

    public XmlTypeVisitor getCurrentChild()
    {
        assert state == CHARS;
        return charVisitor;
    }

    protected void initAttributes()
    {
        if (getParentObject() == null) {
            attributeName = fillPrefix(MarshalStreamUtils.XSI_NIL_QNAME);
        }
    }

    protected int getAttributeCount()
    {
        //TODO: xsi:type for polymorphism
        return attributeName == null ? 0 : 1;
    }

    protected String getAttributeValue(int idx)
    {
        assert attributeName != null;
        return NIL_ATT_VAL;
    }

    protected QName getAttributeName(int idx)
    {
        assert attributeName != null;
        return attributeName;
    }

    protected CharSequence getCharData()
    {
        throw new AssertionError("not text");
    }


}