1 /*

     2  * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /**

    25  * @test

    26  * @bug 8003256

    27  * @compile -XDignore.symbol.file VersionCheck.java

    28  * @run main VersionCheck

    29  * @summary Tests that "java -version" includes the name of the profile and that

    30  *     it matches the name in the release file

    31  */

    32 

    33 import java.nio.file.*;

    34 import java.io.*;

    35 import java.util.Properties;

    36 

    37 public class VersionCheck {

    38 

    39     static final String JAVA_HOME = System.getProperty("java.home");

    40     static final String OS_NAME = System.getProperty("os.name");

    41     static final String OS_ARCH = System.getProperty("os.arch");

    42 

    43     static final String JAVA_CMD =

    44             OS_NAME.startsWith("Windows") ? "java.exe" : "java";

    45 

    46     static final boolean NEED_D64 =

    47             OS_NAME.equals("SunOS") &&

    48             (OS_ARCH.equals("sparcv9") || OS_ARCH.equals("amd64"));

    49 

    50     /**

    51      * Returns {@code true} if the given class is present.

    52      */

    53     static boolean isPresent(String cn) {

    54         try {

    55             Class.forName(cn);

    56             return true;

    57         } catch (ClassNotFoundException ignore) {

    58             return false;

    59         }

    60     }

    61 

    62     /**

    63      * Determines the profile by checking whether specific classes are present.

    64      * Returns the empty string if this runtime does not appear to be a profile

    65      * of Java SE.

    66      */

    67     static String probeProfile() {

    68         if (isPresent("java.awt.Window"))

    69             return "";

    70         if (isPresent("java.lang.management.ManagementFactory"))

    71             return "compact3";

    72         if (isPresent("java.sql.DriverManager"))

    73             return "compact2";

    74         return "compact1";

    75     }

    76 

    77     /**

    78      * Execs java with the given parameters. The method blocks until the

    79      * process terminates. Returns a {@code ByteArrayOutputStream} with any

    80      * stdout or stderr from the process.

    81      */

    82     static ByteArrayOutputStream execJava(String... args)

    83         throws IOException

    84     {

    85         StringBuilder sb = new StringBuilder();

    86         sb.append(Paths.get(JAVA_HOME, "bin", JAVA_CMD).toString());

    87         if (NEED_D64)

    88             sb.append(" -d64");

    89         for (String arg: args) {

    90             sb.append(' ');

    91             sb.append(arg);

    92         }

    93         String[] cmd = sb.toString().split(" ");

    94         ProcessBuilder pb = new ProcessBuilder(cmd);

    95         pb.redirectErrorStream(true);

    96         Process p = pb.start();

    97         ByteArrayOutputStream baos = new ByteArrayOutputStream();

    98         byte[] buf = new byte[1024];

    99         int n;

   100         do {

   101             n = p.getInputStream().read(buf);

   102             if (n > 0)

   103                baos.write(buf, 0, n);

   104         } while (n > 0);

   105         try {

   106             int exitCode = p.waitFor();

   107             if (exitCode != 0)

   108                 throw new RuntimeException("Exit code: " + exitCode);

   109         } catch (InterruptedException e) {

   110             throw new RuntimeException("Should not happen");

   111         }

   112         return baos;

   113     }

   114 

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

   116         String reported = sun.misc.Version.profileName();

   117         String probed = probeProfile();

   118         if (!reported.equals(probed)) {

   119             throw new RuntimeException("sun.misc.Version reports: " + reported

   120                + ", but probing reports: " + probed);

   121         }

   122 

   123         String profile = probed;

   124         boolean isFullJre = (profile.length() == 0);

   125 

   126         // check that java -version includes "profile compactN"

   127         String expected = "profile " + profile;

   128         System.out.println("Checking java -version ...");

   129         ByteArrayOutputStream baos = execJava("-version");

   130         ByteArrayInputStream bain = new ByteArrayInputStream(baos.toByteArray());

   131         BufferedReader reader = new BufferedReader(new InputStreamReader(bain));

   132         boolean found = false;

   133         String line;

   134         while ((line = reader.readLine()) != null) {

   135             if (line.contains(expected)) {

   136                 found = true;

   137                 break;

   138             }

   139         }

   140         if (found && isFullJre)

   141            throw new RuntimeException(expected + " found in java -version output");

   142         if (!found && !isFullJre)

   143             throw new RuntimeException("java -version did not include " + expected);

   144 

   145         // check that the profile name matches the release file

   146         System.out.println("Checking release file ...");

   147         Properties props = new Properties();

   148 

   149         Path home = Paths.get(JAVA_HOME);

   150         if (home.getFileName().toString().equals("jre"))

   151             home = home.getParent();

   152         Path release = home.resolve("release");

   153         try (InputStream in = Files.newInputStream(release)) {

   154             props.load(in);

   155         }

   156         String value = props.getProperty("JAVA_PROFILE");

   157         if (isFullJre) {

   158             if (value != null)

   159                 throw new RuntimeException("JAVA_PROFILE should not be present");

   160         } else {

   161             if (value == null)

   162                 throw new RuntimeException("JAVA_PROFILE not present in release file");

   163             if (!value.equals("\"" + profile + "\""))

   164                 throw new RuntimeException("Unexpected value of JAVA_PROFILE: " + value);

   165         }

   166 

   167         System.out.println("Test passed.");

   168     }

   169 }