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/*
 * Copyright 2004-2019 H2 Group. Multiple-Licensed under the MPL 2.0,
 * and the EPL 1.0 (https://h2database.com/html/license.html).
 * Initial Developer: H2 Group
 */
package org.h2.value;

import java.util.concurrent.ConcurrentHashMap;

import org.h2.util.StringUtils;

/**
 * A concurrent hash map with case-insensitive string keys.
 *
 * @param  the value type
 */
public class CaseInsensitiveConcurrentMap extends ConcurrentHashMap {

    private static final long serialVersionUID = 1L;

    @Override
    public V get(Object key) {
        return super.get(StringUtils.toUpperEnglish((String) key));
    }

    @Override
    public V put(String key, V value) {
        return super.put(StringUtils.toUpperEnglish(key), value);
    }

    @Override
    public boolean containsKey(Object key) {
        return super.containsKey(StringUtils.toUpperEnglish((String) key));
    }

    @Override
    public V remove(Object key) {
        return super.remove(StringUtils.toUpperEnglish((String) key));
    }

}