oop-labs-collection/labs/5/lab5lib/Fetcher.java

/*
 * %W% %E% Dymik739
 * Email: dymik739@109.86.70.81
 *
 * Copyright (C) 2023 FIOT Dev Team
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

package lab5lib;

import java.util.Scanner;
import java.lang.Exception;

/**
 * Class used as a connector for fetching content from Internet to provide
 * the application with random text at every startup.
 *
 * @since 0.2
 * @author Dymik739
 */
public class Fetcher {
    /**
     * Allows to fetch unique strings directly from the search engine
     * 
     * @since 0.2
     *
     * @return String received from the server
     * @throws Exception in case if the server fails to provide the content
     */
    public static String fetchTextFromPython() throws Exception {
        try {
            Process contentFetcher = Runtime.getRuntime()
                    .exec("python3 lab5lib/fetchContent.py");
            Scanner reader = new Scanner(contentFetcher.getInputStream());
            return new String(reader.nextLine());
        } catch (Exception e) {
            throw new Exception("Failed to fetch content from the server");
        }
    }
}