net.amygdalum.util.builders.Maps Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of compilerutils Show documentation

Utility classes needed for search and compiler applications

The newest version!

package net.amygdalum.util.builders;

import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;

public final class Maps {

	private Map map;

	private Maps(boolean linked) {
		if (linked) {
			this.map = new LinkedHashMap();
		} else {
			this.map = new HashMap();
		}
	}

	public static  Maps linked() {
		return new Maps(true);
	}

	public static  Maps hashed() {
		return new Maps(false);
	}

	public Maps put(K key, V value) {
		map.put(key, value);
		return this;
	}

	public static  Maps invert(Map toinvert) {
		Maps maps = new Maps(false);
		for (Map.Entry entry: toinvert.entrySet()) {
			maps.put(entry.getValue(), entry.getKey());
		}
		return maps;
	}

	public Map build() {
		return map;
	}

}