src/share/classes/com/sun/javadoc/Type.java

Thu, 31 Aug 2017 15:17:03 +0800

author
aoqi
date
Thu, 31 Aug 2017 15:17:03 +0800
changeset 2525
2eb010b6cb22
parent 1691
f10cffab99b4
parent 0
959103a6100f
permissions
-rw-r--r--

merge

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation. Oracle designates this
aoqi@0 8 * particular file as subject to the "Classpath" exception as provided
aoqi@0 9 * by Oracle in the LICENSE file that accompanied this code.
aoqi@0 10 *
aoqi@0 11 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 14 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 15 * accompanied this code).
aoqi@0 16 *
aoqi@0 17 * You should have received a copy of the GNU General Public License version
aoqi@0 18 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 20 *
aoqi@0 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 22 * or visit www.oracle.com if you need additional information or have any
aoqi@0 23 * questions.
aoqi@0 24 */
aoqi@0 25
aoqi@0 26 package com.sun.javadoc;
aoqi@0 27
aoqi@0 28 /**
aoqi@0 29 * Represents a type. A type can be a class or interface, an
aoqi@0 30 * invocation (like {@code List<String>}) of a generic class or interface,
aoqi@0 31 * a type variable, a wildcard type ("<code>?</code>"),
aoqi@0 32 * or a primitive data type (like <code>char</code>).
aoqi@0 33 *
aoqi@0 34 * @since 1.2
aoqi@0 35 * @author Kaiyang Liu (original)
aoqi@0 36 * @author Robert Field (rewrite)
aoqi@0 37 * @author Scott Seligman (generics)
aoqi@0 38 */
aoqi@0 39 public interface Type {
aoqi@0 40
aoqi@0 41 /**
aoqi@0 42 * Return unqualified name of type excluding any dimension information.
aoqi@0 43 * <p>
aoqi@0 44 * For example, a two dimensional array of String returns
aoqi@0 45 * "<code>String</code>".
aoqi@0 46 */
aoqi@0 47 String typeName();
aoqi@0 48
aoqi@0 49 /**
aoqi@0 50 * Return qualified name of type excluding any dimension information.
aoqi@0 51 *<p>
aoqi@0 52 * For example, a two dimensional array of String
aoqi@0 53 * returns "<code>java.lang.String</code>".
aoqi@0 54 */
aoqi@0 55 String qualifiedTypeName();
aoqi@0 56
aoqi@0 57 /**
aoqi@0 58 * Return the simple name of this type excluding any dimension information.
aoqi@0 59 * This is the unqualified name of the type, except that for nested types
aoqi@0 60 * only the identifier of the innermost type is included.
aoqi@0 61 * <p>
aoqi@0 62 * For example, the class {@code Outer.Inner} returns
aoqi@0 63 * "<code>Inner</code>".
aoqi@0 64 *
aoqi@0 65 * @since 1.5
aoqi@0 66 */
aoqi@0 67 String simpleTypeName();
aoqi@0 68
aoqi@0 69 /**
aoqi@0 70 * Return the type's dimension information, as a string.
aoqi@0 71 * <p>
aoqi@0 72 * For example, a two dimensional array of String returns
aoqi@0 73 * "<code>[][]</code>".
aoqi@0 74 */
aoqi@0 75 String dimension();
aoqi@0 76
aoqi@0 77 /**
aoqi@0 78 * Return a string representation of the type.
aoqi@0 79 * This includes any dimension information and type arguments.
aoqi@0 80 * <p>
aoqi@0 81 * For example, a two dimensional array of String may return
aoqi@0 82 * "<code>java.lang.String[][]</code>",
aoqi@0 83 * and the parameterized type {@code List<Integer>} may return
aoqi@0 84 * "{@code java.util.List<java.lang.Integer>}".
aoqi@0 85 *
aoqi@0 86 * @return a string representation of the type.
aoqi@0 87 */
aoqi@0 88 String toString();
aoqi@0 89
aoqi@0 90 /**
aoqi@0 91 * Return true if this type represents a primitive type.
aoqi@0 92 *
aoqi@0 93 * @return true if this type represents a primitive type.
aoqi@0 94 * @since 1.5
aoqi@0 95 */
aoqi@0 96 boolean isPrimitive();
aoqi@0 97
aoqi@0 98 /**
aoqi@0 99 * Return this type as a <code>ClassDoc</code> if it represents a class
aoqi@0 100 * or interface. Array dimensions are ignored.
aoqi@0 101 * If this type is a <code>ParameterizedType</code>,
aoqi@0 102 * <code>TypeVariable</code>, or <code>WildcardType</code>, return
aoqi@0 103 * the <code>ClassDoc</code> of the type's erasure. If this is an
aoqi@0 104 * <code>AnnotationTypeDoc</code>, return this as a <code>ClassDoc</code>
aoqi@0 105 * (but see {@link #asAnnotationTypeDoc()}).
aoqi@0 106 * If this is a primitive type, return null.
aoqi@0 107 *
aoqi@0 108 * @return the <code>ClassDoc</code> of this type,
aoqi@0 109 * or null if it is a primitive type.
aoqi@0 110 */
aoqi@0 111 ClassDoc asClassDoc();
aoqi@0 112
aoqi@0 113 /**
aoqi@0 114 * Return this type as a <code>ParameterizedType</code> if it represents
aoqi@0 115 * an invocation of a generic class or interface. Array dimensions
aoqi@0 116 * are ignored.
aoqi@0 117 *
aoqi@0 118 * @return a <code>ParameterizedType</code> if the type is an
aoqi@0 119 * invocation of a generic type, or null if it is not.
aoqi@0 120 * @since 1.5
aoqi@0 121 */
aoqi@0 122 ParameterizedType asParameterizedType();
aoqi@0 123
aoqi@0 124 /**
aoqi@0 125 * Return this type as a <code>TypeVariable</code> if it represents
aoqi@0 126 * a type variable. Array dimensions are ignored.
aoqi@0 127 *
aoqi@0 128 * @return a <code>TypeVariable</code> if the type is a type variable,
aoqi@0 129 * or null if it is not.
aoqi@0 130 * @since 1.5
aoqi@0 131 */
aoqi@0 132 TypeVariable asTypeVariable();
aoqi@0 133
aoqi@0 134 /**
aoqi@0 135 * Return this type as a <code>WildcardType</code> if it represents
aoqi@0 136 * a wildcard type.
aoqi@0 137 *
aoqi@0 138 * @return a <code>WildcardType</code> if the type is a wildcard type,
aoqi@0 139 * or null if it is not.
aoqi@0 140 * @since 1.5
aoqi@0 141 */
aoqi@0 142 WildcardType asWildcardType();
aoqi@0 143
aoqi@0 144 /**
aoqi@0 145 * Returns this type as a <code>AnnotatedType</code> if it represents
aoqi@0 146 * an annotated type.
aoqi@0 147 *
aoqi@0 148 * @return a <code>AnnotatedType</code> if the type if an annotated type,
aoqi@0 149 * or null if it is not
aoqi@0 150 * @since 1.8
aoqi@0 151 */
aoqi@0 152 AnnotatedType asAnnotatedType();
aoqi@0 153
aoqi@0 154 /**
aoqi@0 155 * Return this type as an <code>AnnotationTypeDoc</code> if it represents
aoqi@0 156 * an annotation type. Array dimensions are ignored.
aoqi@0 157 *
aoqi@0 158 * @return an <code>AnnotationTypeDoc</code> if the type is an annotation
aoqi@0 159 * type, or null if it is not.
aoqi@0 160 * @since 1.5
aoqi@0 161 */
aoqi@0 162 AnnotationTypeDoc asAnnotationTypeDoc();
aoqi@0 163
aoqi@0 164 /**
aoqi@0 165 * If this type is an array type, return the element type of the
aoqi@0 166 * array. Otherwise, return null.
aoqi@0 167 *
aoqi@0 168 * @return a <code>Type</code> representing the element type or null.
aoqi@0 169 * @since 1.8
aoqi@0 170 */
aoqi@0 171 Type getElementType();
aoqi@0 172 }

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