/*

 * Copyright (c) 2014, 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 8043643

 * @summary Run the langtools coding rules over the langtools source code.

 */

import java.io.*;

import java.nio.file.Files;

import java.nio.file.Path;

import java.nio.file.Paths;

import java.nio.file.StandardOpenOption;

import java.util.*;

import java.util.stream.Collectors;

import java.util.stream.Stream;

import javax.tools.Diagnostic;

import javax.tools.DiagnosticListener;

import javax.tools.JavaCompiler;

import javax.tools.JavaFileObject;

import javax.tools.StandardJavaFileManager;

import javax.tools.ToolProvider;

import com.sun.tools.javac.util.Assert;

public class RunCodingRules {

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

        new RunCodingRules().run();

    }

    public void run() throws Exception {

        Path testSrc = Paths.get(System.getProperty("test.src", "."));

        Path targetDir = Paths.get(System.getProperty("test.classes", "."));

        List<Path> sourceDirs = null;

        Path crulesDir = null;

        for (Path d = testSrc; d != null; d = d.getParent()) {

            if (Files.exists(d.resolve("TEST.ROOT"))) {

                d = d.getParent();

                Path toolsPath = d.resolve("make/tools");

                if (Files.exists(toolsPath)) {

                    crulesDir = toolsPath;

                    sourceDirs = Files.walk(d.resolve("src"), 1)

                                      .map(p -> p.resolve("share/classes"))

                                      .filter(p -> Files.isDirectory(p))

                                      .collect(Collectors.toList());

                    break;

                }

            }

        }

        if (sourceDirs == null || crulesDir == null) {

            System.err.println("Warning: sources not found, test skipped.");

            return ;

        }

        JavaCompiler javaCompiler = ToolProvider.getSystemJavaCompiler();

    }

    Stream<Path> silentFilesWalk(Path dir) throws IllegalStateException {

        try {

            return Files.walk(dir);

        } catch (IOException ex) {

            throw new IllegalStateException(ex);

        }

    }

}