/*

 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package testpackage;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

public class Main {

    private static final int MAIN_VERSION = 10;

    public static void main(String[] args) {

        System.out.println("Main version: " + getMainVersion());

        System.out.println("Helpers version: " + getHelperVersion());

        System.out.println("Resource version: " + getResourceVersion());

    }

    public static int getMainVersion() {

        return MAIN_VERSION;

    }

    public static int getHelperVersion() {

        return testpackage.Helper.getHelperVersion();

    }

    public static int getResourceVersion() {

        ClassLoader cl = Main.class.getClassLoader();

        InputStream ris = cl.getResourceAsStream("versionResource");

        if (ris == null) {

            throw new Error("Test issue: resource versionResource"

                    + " cannot be loaded!");

        }

        try (BufferedReader br = new BufferedReader(new InputStreamReader(ris))) {

            return Integer.parseInt(br.readLine());

        } catch (IOException ioe) {

            throw new Error("Unexpected issue", ioe);

        }

    }

}