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Vaadin is a web application framework for Rich Internet Applications (RIA). Vaadin enables easy development and maintenance of fast and secure rich web applications with a stunning look and feel and a wide browser support. It features a server-side architecture with the majority of the logic running on the server. Ajax technology is used at the browser-side to ensure a rich and interactive user experience.

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/*
 *******************************************************************************
 * Copyright (C) 2012-2012, Google, International Business Machines Corporation and
 * others. All Rights Reserved.
 *******************************************************************************
 */
package com.ibm.icu.text;

import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Locale;
import java.util.Map;

import com.ibm.icu.impl.ICUCache;
import com.ibm.icu.impl.ICUResourceBundle;
import com.ibm.icu.impl.SimpleCache;
import com.ibm.icu.util.ULocale;
import com.ibm.icu.util.UResourceBundle;

/**
 * Immutable class for formatting a list, using data from CLDR (or supplied
 * separately). The class is not subclassable.
 *
 * @author Mark Davis
 * @draft ICU 50
 * @provisional This API might change or be removed in a future release.
 */
final public class ListFormatter {
    private final String two;
    private final String start;
    private final String middle;
    private final String end;

    /**
     * Internal: Create a ListFormatter from component strings,
     * with definitions as in LDML.
     *
     * @param two
     *            string for two items, containing {0} for the first, and {1}
     *            for the second.
     * @param start
     *            string for the start of a list items, containing {0} for the
     *            first, and {1} for the rest.
     * @param middle
     *            string for the start of a list items, containing {0} for the
     *            first part of the list, and {1} for the rest of the list.
     * @param end
     *            string for the end of a list items, containing {0} for the
     *            first part of the list, and {1} for the last item.
     * @internal
     */
    public ListFormatter(String two, String start, String middle, String end) {
        this.two = two;
        this.start = start;
        this.middle = middle;
        this.end = end;
    }

    /**
     * Create a list formatter that is appropriate for a locale.
     *
     * @param locale
     *            the locale in question.
     * @return ListFormatter
     * @draft ICU 50
     * @provisional This API might change or be removed in a future release.
     */
    public static ListFormatter getInstance(ULocale locale) {
      return cache.get(locale);
    }

    /**
     * Create a list formatter that is appropriate for a locale.
     *
     * @param locale
     *            the locale in question.
     * @return ListFormatter
     * @draft ICU 50
     * @provisional This API might change or be removed in a future release.
     */
    public static ListFormatter getInstance(Locale locale) {
        return getInstance(ULocale.forLocale(locale));
    }

    /**
     * Create a list formatter that is appropriate for the default FORMAT locale.
     *
     * @return ListFormatter
     * @draft ICU 50
     * @provisional This API might change or be removed in a future release.
     */
    public static ListFormatter getInstance() {
        return getInstance(ULocale.getDefault(ULocale.Category.FORMAT));
    }

    /**
     * Format a list of objects.
     *
     * @param items
     *            items to format. The toString() method is called on each.
     * @return items formatted into a string
     * @draft ICU 50
     * @provisional This API might change or be removed in a future release.
     */
    public String format(Object... items) {
        return format(Arrays.asList(items));
    }

    /**
     * Format a collection of objects. The toString() method is called on each.
     *
     * @param items
     *            items to format. The toString() method is called on each.
     * @return items formatted into a string
     * @draft ICU 50
     * @provisional This API might change or be removed in a future release.
     */
    public String format(Collection