Java Map Put putIfNonNull(Map map, K key, V value)

Description

put If Non Null

License

Apache License

Parameter

Parameter	Description
map	The Map to put the value into
key	The mapping key
value	The value

Return

true if the value is non-null and has been put in the map. false if the value is null, in which case the value is not put in the map.

Declaration

public static <K, V> boolean putIfNonNull(Map<K, V> map, K key, V value) 

Method Source Code

//package com.java2s;
/*/*from  w w w .  j av  a 2  s. c o m*/
 * Copyright 2013 Lyor Goldstein
 * 
 * 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.
 */

import java.util.Map;

public class Main {
    /**
     * @param map The {@link Map} to put the value into
     * @param key The mapping key
     * @param value The value
     * @return <code>true</code> if the value is non-<code>null</code> and has been
     * put in the map. <code>false</code> if the value is <code>null</code>, in which
     * case the value is <U>not</U> put in the map.
     */
    public static <K, V> boolean putIfNonNull(Map<K, V> map, K key, V value) {
        if (value == null) {
            return false;
        }

        map.put(key, value);
        return true;
    }
}

Related

1. putIfAbsent(Map map, K key, V value)
2. putIfAbsent(Map map, K key, V value)
3. putIfAbsent(Map map, S key, T val)
4. putIfAbsent(Map map, String name, String value)
5. putIfAbsentGet(Map map, K key, V value)
6. putIfNotExist(Map map, K key, V value)
7. putIfNotExists(final K key, final V value, final Map map)
8. putIfNotExists(Map map, K key, V value)
9. putIfNotNull(final Map map, final String name, final String value)