cn.hutool.core.map.CaseInsensitiveTreeMap Maven / Gradle / Ivy
package cn.hutool.core.map;
import java.util.Comparator;
import java.util.Map;
import java.util.SortedMap;
import java.util.TreeMap;
/**
* 忽略大小写的{@link TreeMap}
* 对KEY忽略大小写，get("Value")和get("value")获得的值相同，put进入的值也会被覆盖
*
* @author Looly
*
* @param 键类型
* @param 值类型
* @since 3.3.1
*/
public class CaseInsensitiveTreeMap extends CaseInsensitiveMap {
private static final long serialVersionUID = 4043263744224569870L;
// ------------------------------------------------------------------------- Constructor start
/**
* 构造
*/
public CaseInsensitiveTreeMap() {
this((Comparator) null);
}
/**
* 构造
*
* @param m Map
* @since 3.1.2
*/
public CaseInsensitiveTreeMap(Map m) {
this();
this.putAll(m);
}
/**
* 构造
*
* @param m Map，初始Map，键值对会被复制到新的TreeMap中
* @since 3.1.2
*/
public CaseInsensitiveTreeMap(SortedMap m) {
super(new TreeMap(m));
}
/**
* 构造
*
* @param comparator 比较器，{@code null}表示使用默认比较器
*/
public CaseInsensitiveTreeMap(Comparator comparator) {
super(new TreeMap<>(comparator));
}
// ------------------------------------------------------------------------- Constructor end
}