1 /*
   2  * Copyright (c) 2013, 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 
  26 package jdk;
  27 
  28 import java.lang.annotation.*;
  29 
  30 /**
  31   * Indicates whether or not a JDK specific type or package is a
  32   * supported part of the JDK.
  33   *
  34   * This annotation should only be applied to types and packages
  35   * <em>outside</em> of the Java SE namespaces of {@code java.*} and
  36   * {@code javax.*} packages.  For example, certain portions of {@code
  37   * com.sun.*} are official parts of the JDK meant to be generally
  38   * usable while other portions of {@code com.sun.*} are not.  This
  39   * annotation type allows those portions to be easily and
  40   * programmaticly distinguished.
  41   *
  42   * @since 1.8
  43   */
  44 @Documented
  45 @Retention(RetentionPolicy.RUNTIME)
  46 @Target({ElementType.TYPE, ElementType.PACKAGE})
  47 @Supported
  48 public @interface Supported {
  49     /**
  50      * Whether or this package or type is a supported part of the JDK.
  51      */
  52     boolean value() default true;
  53 }