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 * Copyright (c) 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
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 * questions.
 */

/*
 * @test
 * @bug 8193660
 * @summary Check SOURCE line in "release" file for closedjdk
 * @run main CheckSource
 */

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileNotFoundException;
import java.io.IOException;

public class CheckSource {

    CheckSource(String dataFile, boolean isOpenJDK) {
        // Read data files
        readFile(dataFile, isOpenJDK);
    }

    private void readFile(String fileName, boolean isOpenJDK) {
        String fishForSOURCE = null;

        File file = new File(fileName);

        // open the stream to read in for Entries
        try (BufferedReader buffRead =
            new BufferedReader(new FileReader(fileName))) {

            // this is the string read
            String readIn;

            // let's read some strings!
            while ((readIn = buffRead.readLine()) != null) {
                readIn = readIn.trim();

                // throw out blank lines
                if (readIn.length() == 0)
                    continue;

                // grab SOURCE line
                if (readIn.startsWith("SOURCE=")) {
                    fishForSOURCE = readIn;
                    break;
                }
            }
        } catch (FileNotFoundException fileExcept) {
            throw new RuntimeException("File " + fileName +
                                       " not found reading data!", fileExcept);
        } catch (IOException ioExcept) {
            throw new RuntimeException("Unexpected problem reading data!",
                                       ioExcept);
        }

        // was SOURCE even found?
        if (fishForSOURCE == null) {
            throw new RuntimeException("SOURCE line was not found!");
        } else {
            // OK it was found, did it have correct sources?
            System.out.println("The source string found: " + fishForSOURCE);

            // First it MUST have .: regardless of closed or openJDK
            if (!fishForSOURCE.contains(".:")) {
                throw new RuntimeException("The test failed, .: not found!");
            }
            // take out the .: source path
            fishForSOURCE = fishForSOURCE.replace(".:", "");

            // if its closedJDK it MUST have open:
            if (!isOpenJDK && !fishForSOURCE.contains("open:")) {
                throw new RuntimeException("The test failed, open: not found!");
            }
            // take out the open: source path
            fishForSOURCE = fishForSOURCE.replace("open:", "");

            // if any other source exists, that's an error
            if (fishForSOURCE.contains(":")) {
                throw new RuntimeException("The test failed, additional sources found!");
            }
        }

        // Everything was fine
        System.out.println("The test passed!");
    }

    public static void main(String args[]) {
        String jdkPath = System.getProperty("test.jdk");
        String runtime = System.getProperty("java.runtime.name");

        System.out.println("JDK Path : " + jdkPath);
        System.out.println("Runtime Name : " + runtime);

        new CheckSource(jdkPath + "/release",
                              runtime.contains("OpenJDK"));
    }
}