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1 /* |
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2 * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 package javax.lang.model.element; |
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27 |
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28 import java.util.List; |
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29 |
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30 /** |
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31 * Represents a package program element. Provides access to information |
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32 * about the package and its members. |
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33 * |
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34 * @author Joseph D. Darcy |
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35 * @author Scott Seligman |
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36 * @author Peter von der Ahé |
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37 * @see javax.lang.model.util.Elements#getPackageOf |
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38 * @since 1.6 |
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39 */ |
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40 public interface PackageElement extends Element, QualifiedNameable { |
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41 |
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42 /** |
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43 * Returns the fully qualified name of this package. |
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44 * This is also known as the package's <i>canonical</i> name. |
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45 * |
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46 * @return the fully qualified name of this package, or an |
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47 * empty name if this is an unnamed package |
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48 * @jls 6.7 Fully Qualified Names and Canonical Names |
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49 */ |
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50 Name getQualifiedName(); |
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51 |
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52 /** |
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53 * Returns the simple name of this package. For an unnamed |
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54 * package, an empty name is returned. |
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55 * |
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56 * @return the simple name of this package or an empty name if |
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57 * this is an unnamed package |
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58 */ |
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59 @Override |
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60 Name getSimpleName(); |
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61 |
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62 /** |
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63 * Returns the {@linkplain NestingKind#TOP_LEVEL top-level} |
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64 * classes and interfaces within this package. Note that |
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65 * subpackages are <em>not</em> considered to be enclosed by a |
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66 * package. |
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67 * |
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68 * @return the top-level classes and interfaces within this |
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69 * package |
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70 */ |
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71 @Override |
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72 List<? extends Element> getEnclosedElements(); |
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73 |
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74 /** |
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75 * Returns {@code true} is this is an unnamed package and {@code |
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76 * false} otherwise. |
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77 * |
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78 * @return {@code true} is this is an unnamed package and {@code |
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79 * false} otherwise |
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80 * @jls 7.4.2 Unnamed Packages |
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81 */ |
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82 boolean isUnnamed(); |
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83 |
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84 /** |
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85 * Returns {@code null} since a package is not enclosed by another |
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86 * element. |
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87 * |
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88 * @return {@code null} |
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89 */ |
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90 @Override |
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91 Element getEnclosingElement(); |
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92 } |