org.h2.value.CaseInsensitiveMap Maven / Gradle / Ivy
/*
* Copyright 2004-2014 H2 Group. Multiple-Licensed under the MPL 2.0,
* and the EPL 1.0 (http://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 the value type
*/
public class CaseInsensitiveMap extends HashMap {
private static final long serialVersionUID = 1L;
@Override
public V get(Object key) {
return super.get(toUpper(key));
}
@Override
public V put(String key, V value) {
return super.put(toUpper(key), value);
}
@Override
public boolean containsKey(Object key) {
return super.containsKey(toUpper(key));
}
@Override
public V remove(Object key) {
return super.remove(toUpper(key));
}
private static String toUpper(Object key) {
return key == null ? null : StringUtils.toUpperEnglish(key.toString());
}
}