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 * 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.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle 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,

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package com.sun.xml.internal.bind.v2.runtime.unmarshaller;

import java.util.Collection;

import javax.xml.namespace.QName;

import com.sun.xml.internal.bind.DatatypeConverterImpl;

import com.sun.xml.internal.bind.v2.WellKnownNamespace;

import com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl;

import com.sun.xml.internal.bind.v2.runtime.JaxBeanInfo;

import com.sun.xml.internal.bind.v2.runtime.reflect.Accessor;

import com.sun.xml.internal.bind.v2.runtime.reflect.TransducedAccessor;

import org.xml.sax.Attributes;

import org.xml.sax.SAXException;

public final class LeafPropertyXsiLoader extends Loader {

    private final Loader defaultLoader;

    private final TransducedAccessor xacc;

    private final Accessor acc;

    public LeafPropertyXsiLoader(Loader defaultLoader, TransducedAccessor xacc, Accessor acc) {

        this.defaultLoader = defaultLoader;

        this.expectText = true;

        this.xacc = xacc;

        this.acc = acc;

    }

    @Override

    public void startElement(UnmarshallingContext.State state, TagName ea) throws SAXException {

    }

    protected Loader selectLoader(UnmarshallingContext.State state, TagName ea) throws SAXException {

        UnmarshallingContext context = state.getContext();

        JaxBeanInfo beanInfo = null;

        // look for @xsi:type

        Attributes atts = ea.atts;

        int idx = atts.getIndex(WellKnownNamespace.XML_SCHEMA_INSTANCE, "type");

        if (idx >= 0) {

            String value = atts.getValue(idx);

            QName type = DatatypeConverterImpl._parseQName(value, context);

            if (type == null)

                return defaultLoader;

            beanInfo = context.getJAXBContext().getGlobalType(type);

            if (beanInfo == null)

                return defaultLoader;

            ClassBeanInfoImpl cbii;

            try {

                cbii = (ClassBeanInfoImpl) beanInfo;

            } catch (ClassCastException cce) {

                return defaultLoader;

            }

            if (null == cbii.getTransducer()) {

                return defaultLoader;

            }

            return new LeafPropertyLoader(

                    new TransducedAccessor.CompositeTransducedAccessorImpl(

                            state.getContext().getJAXBContext(),

                            cbii.getTransducer(),

                            acc));

        }

        return defaultLoader;

    }

    @Override

    public Collection<QName> getExpectedChildElements() {

        return defaultLoader.getExpectedChildElements();

    }

    @Override

    public Collection<QName> getExpectedAttributes() {

        return defaultLoader.getExpectedAttributes();

    }

}