/*

 * Copyright (c) 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.

 */

/*

 * see TestSpecialArgs.java

 * bug 7131021

 * summary Checks for environment variables set by the launcher

 * author anthony.petrov@oracle.com: area=launcher

 */

public class EnvironmentVariables {

    public static void main(String[] args) {

        if (args.length != 2) {

            throw new RuntimeException("ERROR: two command line arguments expected");

        }

        String name = args[0];

        String expect = args[1];

        String key = null;

        if (!name.endsWith("*")) {

            key = name;

        } else {

            name = name.split("\\*")[0];

            for (String s : System.getenv().keySet()) {

                if (s.startsWith(name)) {

                    if (key == null) {

                        key = s;

                    } else {

                        System.err.println("WARNING: more variables match: " + s);

                    }

                }

            }

            if (key == null) {

                throw new RuntimeException("ERROR: unable to find a match for: " + name);

            }

        }

        System.err.println("Will check the variable named: '" + key +

                "' expecting the value: '" + expect + "'");

        if (!System.getenv().containsKey(key)) {

            throw new RuntimeException("ERROR: the variable '" + key +

                    "' is not present in the environment");

        }

        if (!expect.equals(System.getenv().get(key))) {

            throw new RuntimeException("ERROR: expected: '" + expect +

                    "', got: '" + System.getenv().get(key) + "'");

        }

        for (String x : args) {

            System.err.print(x + " ");

        }

        System.err.println("-----> Passed!");

    }

}