test/jdk/tools/jpackage/helpers/jdk/jpackage/test/TKit.java

rev 58025 : 8238953: tools/jpackage tests do not work on Ubuntu Linux

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2019, 2020, 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.

@@ -20,11 +20,14 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 package jdk.jpackage.test;
 
+import java.io.BufferedReader;
+import java.io.File;
 import java.io.FileOutputStream;
+import java.io.FileReader;
 import java.io.IOException;
 import java.io.PrintStream;
 import java.lang.reflect.InvocationTargetException;
 import java.nio.file.*;
 import static java.nio.file.StandardWatchEventKinds.ENTRY_CREATE;

@@ -176,10 +179,28 @@
 
     public static boolean isLinux() {
         return ((OS.contains("nix") || OS.contains("nux")));
     }
 
+    public static boolean isUbuntu() {
+        File releaseFile = new File("/etc/os-release");
+        if (releaseFile.exists()) {
+            try (BufferedReader lineReader = new BufferedReader(new FileReader(releaseFile))) {
+                String lineText = null;
+                while ((lineText = lineReader.readLine()) != null) {
+                    if (lineText.indexOf("NAME=\"Ubuntu") != -1) {
+                        lineReader.close();
+                        return true;
+                    }
+                }
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+        return false;
+    }
+
     static void log(String v) {
         System.out.println(v);
         if (extraLogStream != null) {
             extraLogStream.println(v);
         }