MapPopulator.java

/**
 * Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright ownership. Apereo
 * licenses this file to you 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 the
 * following location:
 *
 * <p>http://www.apache.org/licenses/LICENSE-2.0
 *
 * <p>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.apereo.portal.utils;

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

/**
 * Populator that targets a Map
 *
 * @param <K>
 * @param <V>
 */
public class MapPopulator<K, V> implements Populator<K, V> {
    private final Map<? super K, ? super V> map;

    public MapPopulator() {
        this.map = new LinkedHashMap<K, V>();
    }

    public MapPopulator(Map<? super K, ? super V> map) {
        this.map = map;
    }

    @Override
    public Populator<K, V> put(K k, V v) {
        this.map.put(k, v);
        return this;
    }

    @Override
    public Populator<K, V> putAll(Map<? extends K, ? extends V> m) {
        this.map.putAll(m);
        return this;
    }

    @SuppressWarnings("unchecked")
    public Map<K, V> getMap() {
        return (Map<K, V>) map;
    }
}