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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.ws.model;

import com.sun.xml.ws.api.model.JavaMethod;
import com.sun.xml.ws.api.model.ParameterBinding;
import com.sun.xml.ws.spi.db.TypeInfo;
import com.sun.xml.ws.spi.db.WrapperComposite;

import javax.jws.WebParam.Mode;
import java.util.ArrayList;
import java.util.List;

/**
 * {@link ParameterImpl} that represents a wrapper,
 * which is a parameter that consists of multiple nested {@link ParameterImpl}s
 * within, which together form a body part.
 *
 * 
 * Java method parameters represented by nested {@link ParameterImpl}s will be
 * packed into a "wrapper bean" and it becomes the {@link ParameterImpl} for the
 * body.
 *
 * 
 * This parameter is only used for the {@link ParameterBinding#BODY} binding.
 * Other parameters that bind to other parts (such as headers or unbound)
 * will show up directly under {@link JavaMethod}.
 * 
 * @author Vivek Pandey
 */
public class WrapperParameter extends ParameterImpl {
    protected final List wrapperChildren = new ArrayList();

    // TODO: wrapper parameter doesn't use 'typeRef' --- it only uses tag name.
    public WrapperParameter(JavaMethodImpl parent, TypeInfo typeRef, Mode mode, int index) {
        super(parent, typeRef, mode, index);
		//chen workaround for document-literal wrapper - new feature on eclipselink API requested
        typeRef.properties().put(WrapperParameter.class.getName(), this);
    }

    /**
     *
     * @deprecated
     *      Why are you calling a method that always return true?
     */
    @Override
    public boolean isWrapperStyle() {
        return true;
    }

    /**
     * @return Returns the wrapperChildren.
     */
    public List getWrapperChildren() {
        return wrapperChildren;
    }

    /**
     * Adds a new child parameter.
     * 
     * @param wrapperChild
     */
    public void addWrapperChild(ParameterImpl wrapperChild) {
        wrapperChildren.add(wrapperChild);
        wrapperChild.wrapper = this;
        // must bind to body. see class javadoc
        assert wrapperChild.getBinding()== ParameterBinding.BODY;
    }

    public void clear(){
        wrapperChildren.clear();
    }

    @Override
    void fillTypes(List types) {
        super.fillTypes(types);
        if(WrapperComposite.class.equals(getTypeInfo().type)) {
            for (ParameterImpl p : wrapperChildren) p.fillTypes(types);
        } 
//        if(getParent().getBinding().isRpcLit()) {
//            // for rpc/lit, we need to individually marshal/unmarshal wrapped values,
//            // so their TypeReference needs to be collected
////            assert getTypeReference().type==CompositeStructure.class;
//            for (ParameterImpl p : wrapperChildren)
//                p.fillTypes(types);
//        }
    }
}