/*

 * Copyright (c) 2004, 2012, 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.

 */

import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.File;

import java.io.IOException;

import java.nio.charset.Charset;

import static java.nio.file.Files.*;

import static java.nio.file.StandardOpenOption.*;

public class DefaultLocaleTest {

    static final String setting =

            "language:"   + System.getProperty("user.language") + "_" +

            "country:"    + System.getProperty("user.country")  + "_" +

            "encoding:"   + System.getProperty("file.encoding") + "_" +

            "jnuEncoding:"+ System.getProperty("sun.jnu.encoding");

    public static void main(String[] args) throws IOException {

        if (args != null && args.length > 1) {

            File f = new File(args[1]);

            switch (args[0]) {

                case "-r":

                    System.out.println("reading file: " + args[1]);

                    String str = null;

                    try (BufferedReader in = newBufferedReader(f.toPath(),

                                    Charset.defaultCharset())) {

                        str = in.readLine().trim();

                    }

                    if (setting.equals(str)) {

                        System.out.println("Compared ok");

                    } else {

                        System.out.println("Compare fails");

                        System.out.println("EXPECTED: " + setting);

                        System.out.println("OBTAINED: " + str);

                        throw new RuntimeException("Test fails: compare failed");

                    }

                    break;

                case "-w":

                    System.out.println("writing file: " + args[1]);

                    try (BufferedWriter out = newBufferedWriter(f.toPath(),

                                    Charset.defaultCharset(), CREATE_NEW)) {

                        out.write(setting);

                    }

                    break;

                default:

                    throw new RuntimeException("ERROR: invalid arguments");

            }

        } else {

            throw new RuntimeException("ERROR: invalid arguments");

        }

    }

}