Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2016 Lachlan Dowding
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

public class Main {
    /**
     * Converts the given collection to a collection of strings by calling toString() on each
     * item.
     *
     * @param collection    The collection to convert.
     * @param <E>           The type of item held by the given collection.
     * @return              A collection of the given items converted to strings.
     */
    public static <E> Collection<String> stringify(Collection<E> collection) {
        return stringify(collection, true);
    }

    /**
     * Converts the given collection to a collection of strings by calling toString() on each
     * item.
     *
     * @param collection    The collection to convert.
     * @param includeNulls  Whether null items should be included in the returned collection.
     * @param <E>           The type of item held by the given collection.
     * @return              A collection of the given items converted to strings.
     */
    public static <E> Collection<String> stringify(Collection<E> collection, boolean includeNulls) {
        if (collection == null)
            return null;

        List<String> output = new ArrayList<String>(collection.size());

        for (E item : collection) {
            if (includeNulls || item != null) {
                output.add(item == null ? null : item.toString());
            }
        }

        return output;
    }
}