Main.java Source code

Java tutorial

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2016 Alec Rietman
 *
 * 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 org.json.JSONArray;
import java.util.ArrayList;

public class Main {
    /**
     * Converts a {@link JSONArray} to an {@link ArrayList} of strings
     * @param jsonArray A JSON array that contains strings
     * @return A list of the strings contained in the JSON array
     */
    public static ArrayList<String> jsonArrayToList(JSONArray jsonArray) throws Exception {

        if (jsonArray.length() == 0)
            return new ArrayList<>();

        if (!(jsonArray.get(0) instanceof String))
            throw new Exception("Must pass in a json array with only string values");

        ArrayList<String> result = new ArrayList<>();
        for (int i = 0; i < jsonArray.length(); i++) {
            result.add(jsonArray.getString(i));
        }

        return result;
    }
}