Java List from Array asList(final T node)

Description

as List

License

Apache License

Parameter

Parameter	Description
node	a parameter

Return

either a List with this node, or an empty list if node is null.

Declaration

public static <T> List<T> asList(final T node) 

Method Source Code

//package com.java2s;
/**//  ww  w.  jav a 2  s.  c o  m
 *  Copyright 2012 Sven Ewald
 *
 *  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.Collections;

import java.util.List;

public class Main {
    /**
     * @param node
     * @return either a List with this node, or an empty list if node is null.
     */
    public static <T> List<T> asList(final T node) {
        if (node == null) {
            return Collections.emptyList();
        }
        return Collections.singletonList(node);
    }
}

Related

1. asList(final Object array)
2. asList(final Object[] arguments)
3. asList(final Object[] array)
4. asList(final Object[] objectArray)
5. asList(final Set elements)
6. asList(final T... array)
7. asList(final T... data)
8. asList(final T... data)
9. asList(final T[] array)