jaxb-ri/runtime/impl/src/main/java/org/glassfish/jaxb/runtime/v2/runtime/property/ArrayElementLeafProperty.java

/*
 * Copyright (c) 1997, 2021 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 org.glassfish.jaxb.runtime.v2.runtime.property;

import org.glassfish.jaxb.runtime.api.AccessorException;
import org.glassfish.jaxb.runtime.v2.model.runtime.RuntimeElementPropertyInfo;
import org.glassfish.jaxb.runtime.v2.runtime.JAXBContextImpl;
import org.glassfish.jaxb.runtime.v2.runtime.JaxBeanInfo;
import org.glassfish.jaxb.runtime.v2.runtime.Transducer;
import org.glassfish.jaxb.runtime.v2.runtime.XMLSerializer;
import org.xml.sax.SAXException;

import javax.xml.stream.XMLStreamException;
import java.io.IOException;

/**
 * {@link ArrayProperty} that contains only one leaf type.
 *
 * <p>
 * This class is optimized for the case where there's only one kind of types
 * in the array and that type is a leaf type.
 *
 * @author Kohsuke Kawaguchi (kk@kohsuke.org)
 */
final class ArrayElementLeafProperty<BeanT,ListT,ItemT> extends ArrayElementProperty<BeanT,ListT,ItemT> {

    private final Transducer<ItemT> xducer;

    public ArrayElementLeafProperty(JAXBContextImpl p, RuntimeElementPropertyInfo prop) {
        super(p, prop);

        // unless those are true, use the ArrayElementNodeProperty.
        assert prop.getTypes().size()==1;
//        assert prop.getTypes().get(0).getType().isLeaf(); // this assertion is incorrect in case it's IDREF

        xducer = prop.getTypes().get(0).getTransducer();
        assert xducer!=null;
    }

    public void serializeItem(JaxBeanInfo bi, ItemT item, XMLSerializer w) throws SAXException, AccessorException, IOException, XMLStreamException {
        xducer.declareNamespace(item,w);
        w.endNamespaceDecls(item);
        w.endAttributes();
        // this is leaf, so by definition there's no type substitution
        // if there's, we'll be using ArrayElementNodeProperty
        xducer.writeText(w,item,fieldName);
    }
}