/*
* Copyright 2004-2023 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.HashMap;
import org.h2.util.StringUtils;
/**
* A hash map with a case-insensitive string key.
*
* @param <V> the value type
*/
public class CaseInsensitiveMap<V> extends HashMap<String, V> {
private static final long serialVersionUID = 1L;
/**
* Creates new instance of case-insensitive map.
*/
public CaseInsensitiveMap() {
}
/**
* Creates new instance of case-insensitive map with specified initial
* capacity.
*
* @param initialCapacity the initial capacity
*/
public CaseInsensitiveMap(int initialCapacity) {
super(initialCapacity);
}
@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 V putIfAbsent(String key, V value) {
return super.putIfAbsent(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));
}
}