1 /*
   2  * Copyright (c) 2017, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package jdk.tools.jlink.internal;
  26 
  27 import jdk.tools.jlink.plugin.ResourcePoolModule;
  28 
  29 import java.util.Locale;
  30 
  31 /**
  32  * Supported platforms
  33  */
  34 public enum Platform {
  35     WINDOWS,
  36     LINUX,
  37     MACOS,
  38     AIX,
  39     UNKNOWN;
  40 
  41     /**
  42      * Returns the {@code Platform} derived from the target platform
  43      * in the {@code ModuleTarget} attribute.
  44      */
  45     public static Platform toPlatform(String targetPlatform) {
  46         String osName;
  47         int index = targetPlatform.indexOf("-");
  48         if (index < 0) {
  49             osName = targetPlatform;
  50         } else {
  51             osName = targetPlatform.substring(0, index);
  52         }
  53         try {
  54             return Platform.valueOf(osName.toUpperCase(Locale.ENGLISH));
  55         } catch (IllegalArgumentException e) {
  56             return Platform.UNKNOWN;
  57         }
  58     }
  59 
  60     /**
  61      * Returns the {@code Platform} to which the given module is target to.
  62      */
  63     public static Platform getTargetPlatform(ResourcePoolModule module) {
  64         String targetPlatform = module.targetPlatform();
  65         if (targetPlatform != null) {
  66             return toPlatform(targetPlatform);
  67         } else {
  68             return Platform.UNKNOWN;
  69         }
  70     }
  71 }