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	/*
	* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
	*/
	/*
	* Licensed to the Apache Software Foundation (ASF) under one
	* or more contributor license agreements. See the NOTICE file
	* distributed with this work for additional information
	* regarding copyright ownership. The ASF licenses this file
	* to you under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package com.sun.org.apache.xml.internal.serializer.dom3;

	//import org.apache.xerces.dom3.DOMStringList;
	import java.util.ArrayList;
	import java.util.List;
	import org.w3c.dom.DOMStringList;

	/**
	* This class implemets the DOM Level 3 Core interface DOMStringList.
	*
	* @xsl.usage internal
	* @LastModified: Oct 2017
	*/
	final class DOMStringListImpl implements DOMStringList {

	//A collection of DOMString values
	private List<String> fStrings;

	/**
	* Construct an empty list of DOMStringListImpl
	*/
	DOMStringListImpl() {
	fStrings = new ArrayList<>();
	}

	/**
	* Construct an empty list of DOMStringListImpl
	*/
	DOMStringListImpl(List<String> params) {
	fStrings = params;
	}

	/**
	* Construct an empty list of DOMStringListImpl
	*/
	DOMStringListImpl(String[] params ) {
	fStrings = new ArrayList<>();
	if (params != null) {
	for (int i=0; i < params.length; i++) {
	fStrings.add(params[i]);
	}
	}
	}

	/**
	* @see org.apache.xerces.dom3.DOMStringList#item(int)
	*/
	public String item(int index) {
	try {
	return fStrings.get(index);
	} catch (IndexOutOfBoundsException e) {
	return null;
	}
	}

	/**
	* @see org.apache.xerces.dom3.DOMStringList#getLength()
	*/
	public int getLength() {
	return fStrings.size();
	}

	/**
	* @see org.apache.xerces.dom3.DOMStringList#contains(String)
	*/
	public boolean contains(String param) {
	return fStrings.contains(param) ;
	}

	/**
	* DOM Internal:
	* Add a <code>DOMString</code> to the list.
	*
	* @param domString A string to add to the list
	*/
	public void add(String param) {
	fStrings.add(param);
	}

	}

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