org.lastaflute.di.util.tiger.Maps Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of lasta-di Show documentation

DI Container for LastaFlute, super forked from Seasar as Java8

There is a newer version: 2.0.0

/*
 * Copyright 2015-2021 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.lastaflute.di.util.tiger;

import java.util.HashMap;
import java.util.Hashtable;
import java.util.IdentityHashMap;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.TreeMap;
import java.util.WeakHashMap;
import java.util.concurrent.ConcurrentHashMap;

/**
 *  * Map map = map("a", 1).$("b", 2).$("c", 3).$();
 * 
 * @param  The type of key.
 * @param  The type of value.
 * @author modified by jflute (originated in Seasar)
 */
public class Maps {

    protected Map map;

    public static  Maps map(KEY key, VALUE value) {
        return linkedHashMap(key, value);
    }

    public static  Maps concurrentHashMap(KEY key, VALUE value) {
        return new Maps(new ConcurrentHashMap()).$(key, value);
    }

    public static  Maps hashMap(KEY key, VALUE value) {
        return new Maps(new HashMap()).$(key, value);
    }

    public static  Maps hashtable(KEY key, VALUE value) {
        return new Maps(new Hashtable()).$(key, value);
    }

    public static  Maps identityHashMap(KEY key, VALUE value) {
        return new Maps(new IdentityHashMap()).$(key, value);
    }

    public static  Maps linkedHashMap(KEY key, VALUE value) {
        return new Maps(new LinkedHashMap()).$(key, value);
    }

    public static  Maps treeMap(KEY key, VALUE value) {
        return new Maps(new TreeMap()).$(key, value);
    }

    public static  Maps weakHashMap(KEY key, VALUE value) {
        return new Maps(new WeakHashMap()).$(key, value);
    }

    protected Maps(Map map) {
        this.map = map;
    }

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

    public Map $() {
        return map;
    }

}