1 /*
   2  * Copyright (c) 2005, 2009, 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 javax.lang.model.element;
  27 
  28 /**
  29  * Represents a package program element.  Provides access to information
  30  * about the package and its members.
  31  *
  32  * @author Joseph D. Darcy
  33  * @author Scott Seligman
  34  * @author Peter von der Ahé
  35  * @see javax.lang.model.util.Elements#getPackageOf
  36  * @since 1.6
  37  */
  38 public interface PackageElement extends Element, QualifiedNameable {
  39 
  40     /**
  41      * Returns the fully qualified name of this package.
  42      * This is also known as the package's <i>canonical</i> name.
  43      *
  44      * @return the fully qualified name of this package, or an
  45      * empty name if this is an unnamed package
  46      * @jls3 6.7 Fully Qualified Names and Canonical Names
  47      */
  48     Name getQualifiedName();
  49 
  50     /**
  51      * Returns {@code true} is this is an unnamed package and {@code
  52      * false} otherwise.
  53      *
  54      * @return {@code true} is this is an unnamed package and {@code
  55      * false} otherwise
  56      * @jls3 7.4.2 Unnamed Packages
  57      */
  58     boolean isUnnamed();
  59 }