jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javadoc/TypeVariableImpl.java@ebf7c13df6c0

6866185: Util.getPackageSourcePath should use lastIndexOf not indexOf and related cleanup
Reviewed-by: bpatel

     1 /*

     2  * Copyright (c) 2003, 2011, 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  */

    26 package com.sun.tools.javadoc;

    29 import com.sun.javadoc.*;

    31 import com.sun.tools.javac.code.Kinds;

    32 import com.sun.tools.javac.code.Symbol;

    33 import com.sun.tools.javac.code.Symbol.ClassSymbol;

    34 import com.sun.tools.javac.code.Symbol.MethodSymbol;

    35 import com.sun.tools.javac.code.Type;

    36 import com.sun.tools.javac.code.Type.TypeVar;

    37 import com.sun.tools.javac.util.List;

    38 import com.sun.tools.javac.util.Name;

    39 import com.sun.tools.javac.util.Names;

    41 /**

    42  * Implementation of <code>TypeVariable</code>, which

    43  * represents a type variable.

    44  *

    45  * @author Scott Seligman

    46  * @since 1.5

    47  */

    48 public class TypeVariableImpl extends AbstractTypeImpl implements TypeVariable {

    50     TypeVariableImpl(DocEnv env, TypeVar type) {

    51         super(env, type);

    52     }

    54     /**

    55      * Return the bounds of this type variable.

    56      */

    57     public com.sun.javadoc.Type[] bounds() {

    58         return TypeMaker.getTypes(env, getBounds((TypeVar)type, env));

    59     }

    61     /**

    62      * Return the class, interface, method, or constructor within

    63      * which this type variable is declared.

    64      */

    65     public ProgramElementDoc owner() {

    66         Symbol osym = type.tsym.owner;

    67         if ((osym.kind & Kinds.TYP) != 0) {

    68             return env.getClassDoc((ClassSymbol)osym);

    69         }

    70         Names names = osym.name.table.names;

    71         if (osym.name == names.init) {

    72             return env.getConstructorDoc((MethodSymbol)osym);

    73         } else {

    74             return env.getMethodDoc((MethodSymbol)osym);

    75         }

    76     }

    78     /**

    79      * Return the ClassDoc of the erasure of this type variable.

    80      */

    81     @Override

    82     public ClassDoc asClassDoc() {

    83         return env.getClassDoc((ClassSymbol)env.types.erasure(type).tsym);

    84     }

    86     @Override

    87     public TypeVariable asTypeVariable() {

    88         return this;

    89     }

    91     @Override

    92     public String toString() {

    93         return typeVarToString(env, (TypeVar)type, true);

    94     }

    97     /**

    98      * Return the string form of a type variable along with any

    99      * "extends" clause.  Class names are qualified if "full" is true.

   100      */

   101     static String typeVarToString(DocEnv env, TypeVar v, boolean full) {

   102         StringBuilder s = new StringBuilder(v.toString());

   103         List<Type> bounds = getBounds(v, env);

   104         if (bounds.nonEmpty()) {

   105             boolean first = true;

   106             for (Type b : bounds) {

   107                 s.append(first ? " extends " : " & ");

   108                 s.append(TypeMaker.getTypeString(env, b, full));

   109                 first = false;

   110             }

   111         }

   112         return s.toString();

   113     }

   115     /**

   116      * Get the bounds of a type variable as listed in the "extends" clause.

   117      */

   118     private static List<Type> getBounds(TypeVar v, DocEnv env) {

   119         Name boundname = v.getUpperBound().tsym.getQualifiedName();

   120         if (boundname == boundname.table.names.java_lang_Object) {

   121             return List.nil();

   122         } else {

   123             return env.types.getBounds(v);

   124         }

   125     }

   126 }

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