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/*
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 *
 * Copyright (c) 2017 Oracle and/or its affiliates. All rights reserved.
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 * 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
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 * or LICENSE.txt.  See the License for the specific
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 * file and include the License file at LICENSE.txt.
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package com.sun.xml.messaging.saaj.soap.impl;

import com.sun.xml.messaging.saaj.soap.SOAPDocumentImpl;
import org.w3c.dom.DOMException;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

import java.util.Objects;

/**
 * {@link NamedNodeMap} wrapper, finding SOAP elements automatically when possible.
 *
 * @author Roman Grigoriadi
 */
public class NamedNodeMapImpl implements NamedNodeMap {

    private final NamedNodeMap namedNodeMap;

    private final SOAPDocumentImpl soapDocument;

    /**
     * Create wrapper.
     *
     * @param namedNodeMap node map to wrap
     * @param soapDocument soap document to find soap elements
     */
    public NamedNodeMapImpl(NamedNodeMap namedNodeMap, SOAPDocumentImpl soapDocument) {
        Objects.requireNonNull(namedNodeMap);
        Objects.requireNonNull(soapDocument);
        this.namedNodeMap = namedNodeMap;
        this.soapDocument = soapDocument;
    }

    @Override
    public Node getNamedItem(String name) {
        return soapDocument.findIfPresent(namedNodeMap.getNamedItem(name));
    }

    @Override
    public Node setNamedItem(Node arg) throws DOMException {
        return namedNodeMap.setNamedItem(arg);
    }

    @Override
    public Node removeNamedItem(String name) throws DOMException {
        return namedNodeMap.removeNamedItem(name);
    }

    @Override
    public Node item(int index) {
        return namedNodeMap.item(index);
    }

    @Override
    public int getLength() {
        return namedNodeMap.getLength();
    }

    @Override
    public Node getNamedItemNS(String namespaceURI, String localName) throws DOMException {
        return namedNodeMap.getNamedItemNS(namespaceURI, localName);
    }

    @Override
    public Node setNamedItemNS(Node arg) throws DOMException {
        return namedNodeMap.setNamedItemNS(arg);
    }

    @Override
    public Node removeNamedItemNS(String namespaceURI, String localName) throws DOMException {
        return namedNodeMap.removeNamedItemNS(namespaceURI, localName);
    }
}