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.
   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  * JDK major versions.
  26  */
  27 public enum JdkRelease {
  28 
  29     JDK6(6, "1.6"),
  30     JDK7(7, "1.7"),
  31     JDK8(8, "1.8"),
  32     JDK9(9, "9"),
  33     JDK10(10, "10");
  34 
  35     public final int sequence;
  36     public final String release;
  37 
  38     private JdkRelease(int sequence, String release) {
  39         this.sequence = sequence;
  40         this.release = release;
  41     }
  42 
  43     public static JdkRelease getRelease(String jdkVersion) {
  44         if (jdkVersion.startsWith(JDK6.release)) {
  45             return JDK6;
  46         } else if (jdkVersion.startsWith(JDK7.release)) {
  47             return JDK7;
  48         } else if (jdkVersion.startsWith(JDK8.release)) {
  49             return JDK8;
  50         } else if (jdkVersion.startsWith(JDK9.release)) {
  51             return JDK9;
  52         } else if (jdkVersion.startsWith(JDK10.release)) {
  53             return JDK10;
  54         }
  55 
  56         return null;
  57     }
  58 }