MAP.java

package aQute.libg.map;

import java.util.Dictionary;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.LinkedHashMap;
import java.util.Map;

/**
 * Easy way to build a map: Map<String,Integer> s = MAP.$("a",2).$("b",3);
 */
public class MAP {

	static public class MAPX<K, V> extends LinkedHashMap<K,V> {
		private static final long serialVersionUID = 1L;

		public MAPX<K,V> $(K key, V value) {
			put(key, value);
			return this;
		}

		public MAPX<K,V> $(Map<K,V> all) {
			putAll(all);
			return this;
		}

		public Hashtable<K,V> asHashtable() {
			return new Hashtable<K,V>(this);
		}
	}

	public static <Kx, Vx> MAPX<Kx,Vx> $(Kx key, Vx value) {
		MAPX<Kx,Vx> map = new MAPX<Kx,Vx>();
		map.put(key, value);
		return map;
	}

	public <K, V> Map<K,V> dictionary(Dictionary<K,V> dict) {
		Map<K,V> map = new LinkedHashMap<K,V>();
		for (Enumeration<K> e = dict.keys(); e.hasMoreElements();) {
			K k = e.nextElement();
			V v = dict.get(k);
			map.put(k, v);
		}
		return map;
	}
}