com.sun.xml.bind.v2.runtime.ArrayBeanInfoImpl Maven / Gradle / Ivy

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Old JAXB Runtime module. Contains sources required for runtime processing.
There is a newer version: 4.0.5
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 * 
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
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 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
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package com.sun.xml.bind.v2.runtime;

import java.io.IOException;
import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;

import javax.xml.bind.ValidationEvent;
import javax.xml.bind.helpers.ValidationEventImpl;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;

import com.sun.xml.bind.v2.model.runtime.RuntimeArrayInfo;
import com.sun.xml.bind.v2.runtime.unmarshaller.Loader;
import com.sun.xml.bind.v2.runtime.unmarshaller.Receiver;
import com.sun.xml.bind.v2.runtime.unmarshaller.TagName;
import com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext;

import org.xml.sax.SAXException;

/**
 * {@link JaxBeanInfo} implementation that binds T[] to a complex type
 * with an element for each item.
 *
 * @author Kohsuke Kawaguchi
 */
final class ArrayBeanInfoImpl  extends JaxBeanInfo {

    private final Class itemType;
    private final JaxBeanInfo itemBeanInfo;
    private Loader loader;

    public ArrayBeanInfoImpl(JAXBContextImpl owner, RuntimeArrayInfo rai) {
        super(owner,rai,rai.getType(), rai.getTypeName(), false, true, false);
        this.itemType = jaxbType.getComponentType();
        this.itemBeanInfo = owner.getOrCreate(rai.getItemType());
    }

    @Override
    protected void link(JAXBContextImpl grammar) {
        getLoader(grammar,false);
        super.link(grammar);
    }

    private final class ArrayLoader extends Loader implements Receiver {
        public ArrayLoader(JAXBContextImpl owner) {
            super(false);
            itemLoader = itemBeanInfo.getLoader(owner,true);
        }

        private final Loader itemLoader;

        @Override
        public void startElement(UnmarshallingContext.State state, TagName ea) {
            state.target = new ArrayList();
        }

        @Override
        public void leaveElement(UnmarshallingContext.State state, TagName ea) {
            state.target = toArray((List)state.target);
        }

        @Override
        public void childElement(UnmarshallingContext.State state, TagName ea) throws SAXException {
            if(ea.matches("","item")) {
                state.loader = itemLoader;
                state.receiver = this;
            } else {
                super.childElement(state,ea);
            }
        }

        @Override
        public Collection getExpectedChildElements() {
            return Collections.singleton(new QName("","item"));
        }

        public void receive(UnmarshallingContext.State state, Object o) {
            ((List)state.target).add(o);
        }
    };

    protected Object toArray( List list ) {
        int len = list.size();
        Object array = Array.newInstance(itemType,len);
        for( int i=0; i