/*

 * Copyright (c) 2015, 2018, 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.

 */

/*

 * @test

 * @bug 8035473 8182765

 * @summary make sure tool is quiet when told to, and chatty otherwise

 */

import java.io.BufferedReader;

import java.io.File;

import java.io.InputStreamReader;

import java.util.ArrayList;

import java.util.List;

/**

 * Dummy javadoc comment.

 */

public class QuietOption {

    final File javadoc;

    final File testSrc;

    final String thisClassName;

    public QuietOption() {

        File javaHome = new File(System.getProperty("java.home"));

        if (javaHome.getName().endsWith("jre"))

            javaHome = javaHome.getParentFile();

        javadoc = new File(new File(javaHome, "bin"), "javadoc");

        testSrc = new File(System.getProperty("test.src"));

        thisClassName = QuietOption.class.getName();

    }

    public static void main(String... args) throws Exception {

        QuietOption test = new QuietOption();

        test.run1();

        test.run2();

    }

    // make sure javadoc is quiet

    void run1() throws Exception {

        List<String> output = doTest(javadoc.getPath(),

                "-classpath", ".", // insulates us from ambient classpath

                "-quiet",

                new File(testSrc, thisClassName + ".java").getPath());

        if (!output.isEmpty()) {

            System.out.println(output);

            throw new Exception("run1: Shhh!, very chatty javadoc!.");

        }

    }

    // make sure javadoc is chatty

    void run2() throws Exception {

        List<String> output = doTest(javadoc.getPath(),

                "-classpath", ".", // insulates us from ambient classpath

                new File(testSrc, thisClassName + ".java").getPath());

        if (output.isEmpty()) {

            System.out.println(output);

            throw new Exception("run2: speak up and please be heard!.");

        }

    }

    /**

     * More dummy comments.

     */

    List<String> doTest(String... args) throws Exception {

        List<String> output = new ArrayList<>();

        // run javadoc in separate process to ensure doclet executed under

        // normal user conditions w.r.t. classloader

        Process p = new ProcessBuilder()

                .command(args)

                .redirectErrorStream(true)

                .start();

        try (BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()))) {

            String line = in.readLine();

            while (line != null) {

                output.add(line.trim());

                line = in.readLine();

            }

        }

        int rc = p.waitFor();

        if (rc != 0) {

            throw new Exception("javadoc failed, rc:" + rc);

        }

        return output;

    }

}