content: /*
   * Copyright (c) 2002, 2019, 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.  Oracle designates this
   * particular file as subject to the "Classpath" exception as provided
   * by Oracle in the LICENSE file that accompanied this code.
   *
   * 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
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  package openjdk.tools.javac.jvm;
  
  import openjdk.tools.javac.util.Context;
  import openjdk.tools.javac.util.Options;
  import java.util.EnumSet;
  import java.util.Set;
  
  import static openjdk.tools.javac.main.Option.PROFILE;
  
  /** The target profile.
   *
   *  <p><b>This is NOT part of any supported API.
   *  If you write code that depends on this, you do so at your own risk.
   *  This code and its internal interfaces are subject to change or
   *  deletion without notice.</b>
   */
  public enum Profile {
      COMPACT1("compact1", 1, Target.JDK1_8),
      COMPACT2("compact2", 2, Target.JDK1_8),
      COMPACT3("compact3", 3, Target.JDK1_8),
  
      DEFAULT {
          @Override
          public boolean isValid(Target t) {
              return true;
          }
      };
  
      private static final Context.Key<Profile> profileKey = new Context.Key<>();
  
      public static Profile instance(Context context) {
          Profile instance = context.get(profileKey);
          if (instance == null) {
              Options options = Options.instance(context);
              String profileString = options.get(PROFILE);
              if (profileString != null) instance = lookup(profileString);
              if (instance == null) instance = DEFAULT;
              context.put(profileKey, instance);
          }
          return instance;
      }
  
      public final String name;
      public final int value;
      final Set<Target> targets;
  
      Profile() {
          name = null;
          value = Integer.MAX_VALUE;
          targets = null;
      }
  
      Profile(String name, int value, Target t, Target... targets) {
          this.name = name;
          this.value = value;
          this.targets = EnumSet.of(t, targets);
      }
  
      public static Profile lookup(String name) {
          // the set of values is small enough to do linear search
          for (Profile p: values()) {
              if (name.equals(p.name))
                  return p;
          }
          return null;
      }
  
      public static Profile lookup(int value) {
          // the set of values is small enough to do linear search
          for (Profile p: values()) {
              if (value == p.value)
                  return p;
          }
          return null;
      }
  
      public boolean isValid(Target t) {
          return targets.contains(t);
      }
  }
  