Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: src/share/classes/com/sun/tools/javadoc/TypeVariableImpl.java
src/share/classes/com/sun/tools/javadoc/TypeVariableImpl.java
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| 1 /* | |
| 2 * Copyright (c) 2003, 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 com.sun.tools.javadoc; | |
| 27 | |
| 28 import com.sun.javadoc.*; | |
| 29 | |
| 30 import com.sun.tools.javac.code.Attribute; | |
| 31 import com.sun.tools.javac.code.Attribute.TypeCompound; | |
| 32 import com.sun.tools.javac.code.Kinds; | |
| 33 import com.sun.tools.javac.code.Symbol; | |
| 34 import com.sun.tools.javac.code.Symbol.ClassSymbol; | |
| 35 import com.sun.tools.javac.code.Symbol.MethodSymbol; | |
| 36 import com.sun.tools.javac.code.Type; | |
| 37 import com.sun.tools.javac.code.Type.TypeVar; | |
| 38 import com.sun.tools.javac.util.List; | |
| 39 import com.sun.tools.javac.util.Name; | |
| 40 import com.sun.tools.javac.util.Names; | |
| 41 | |
| 42 /** | |
| 43 * Implementation of <code>TypeVariable</code>, which | |
| 44 * represents a type variable. | |
| 45 * | |
| 46 * <p><b>This is NOT part of any supported API. | |
| 47 * If you write code that depends on this, you do so at your own risk. | |
| 48 * This code and its internal interfaces are subject to change or | |
| 49 * deletion without notice.</b> | |
| 50 * | |
| 51 * @author Scott Seligman | |
| 52 * @since 1.5 | |
| 53 */ | |
| 54 public class TypeVariableImpl extends AbstractTypeImpl implements TypeVariable { | |
| 55 | |
| 56 TypeVariableImpl(DocEnv env, TypeVar type) { | |
| 57 super(env, type); | |
| 58 } | |
| 59 | |
| 60 /** | |
| 61 * Return the bounds of this type variable. | |
| 62 */ | |
| 63 public com.sun.javadoc.Type[] bounds() { | |
| 64 return TypeMaker.getTypes(env, getBounds((TypeVar)type, env)); | |
| 65 } | |
| 66 | |
| 67 /** | |
| 68 * Return the class, interface, method, or constructor within | |
| 69 * which this type variable is declared. | |
| 70 */ | |
| 71 public ProgramElementDoc owner() { | |
| 72 Symbol osym = type.tsym.owner; | |
| 73 if ((osym.kind & Kinds.TYP) != 0) { | |
| 74 return env.getClassDoc((ClassSymbol)osym); | |
| 75 } | |
| 76 Names names = osym.name.table.names; | |
| 77 if (osym.name == names.init) { | |
| 78 return env.getConstructorDoc((MethodSymbol)osym); | |
| 79 } else { | |
| 80 return env.getMethodDoc((MethodSymbol)osym); | |
| 81 } | |
| 82 } | |
| 83 | |
| 84 /** | |
| 85 * Return the ClassDoc of the erasure of this type variable. | |
| 86 */ | |
| 87 @Override | |
| 88 public ClassDoc asClassDoc() { | |
| 89 return env.getClassDoc((ClassSymbol)env.types.erasure(type).tsym); | |
| 90 } | |
| 91 | |
| 92 @Override | |
| 93 public TypeVariable asTypeVariable() { | |
| 94 return this; | |
| 95 } | |
| 96 | |
| 97 @Override | |
| 98 public String toString() { | |
| 99 return typeVarToString(env, (TypeVar)type, true); | |
| 100 } | |
| 101 | |
| 102 | |
| 103 /** | |
| 104 * Return the string form of a type variable along with any | |
| 105 * "extends" clause. Class names are qualified if "full" is true. | |
| 106 */ | |
| 107 static String typeVarToString(DocEnv env, TypeVar v, boolean full) { | |
| 108 StringBuilder s = new StringBuilder(v.toString()); | |
| 109 List<Type> bounds = getBounds(v, env); | |
| 110 if (bounds.nonEmpty()) { | |
| 111 boolean first = true; | |
| 112 for (Type b : bounds) { | |
| 113 s.append(first ? " extends " : " & "); | |
| 114 s.append(TypeMaker.getTypeString(env, b, full)); | |
| 115 first = false; | |
| 116 } | |
| 117 } | |
| 118 return s.toString(); | |
| 119 } | |
| 120 | |
| 121 /** | |
| 122 * Get the bounds of a type variable as listed in the "extends" clause. | |
| 123 */ | |
| 124 private static List<Type> getBounds(TypeVar v, DocEnv env) { | |
| 125 final Type upperBound = v.getUpperBound(); | |
| 126 Name boundname = upperBound.tsym.getQualifiedName(); | |
| 127 if (boundname == boundname.table.names.java_lang_Object | |
| 128 && !upperBound.isAnnotated()) { | |
| 129 return List.nil(); | |
| 130 } else { | |
| 131 return env.types.getBounds(v); | |
| 132 } | |
| 133 } | |
| 134 | |
| 135 /** | |
| 136 * Get the annotations of this program element. | |
| 137 * Return an empty array if there are none. | |
| 138 */ | |
| 139 public AnnotationDesc[] annotations() { | |
| 140 if (!type.isAnnotated()) { | |
| 141 return new AnnotationDesc[0]; | |
| 142 } | |
| 143 List<? extends TypeCompound> tas = type.getAnnotationMirrors(); | |
| 144 AnnotationDesc res[] = new AnnotationDesc[tas.length()]; | |
| 145 int i = 0; | |
| 146 for (Attribute.Compound a : tas) { | |
| 147 res[i++] = new AnnotationDescImpl(env, a); | |
| 148 } | |
| 149 return res; | |
| 150 } | |
| 151 } |
