Mercurial > jdk8-mips64-public > langtools / file revision

 /*

  * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  *

  * This code is free software; you can redistribute it and/or modify it

  * under the terms of the GNU General Public License version 2 only, as

  * published by the Free Software Foundation.  Oracle designates this

  * particular file as subject to the "Classpath" exception as provided

  * by Oracle in the LICENSE file that accompanied this code.

  *

  * This code is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

  * version 2 for more details (a copy is included in the LICENSE file that

  * accompanied this code).

  *

  * You should have received a copy of the GNU General Public License version

  * 2 along with this work; if not, write to the Free Software Foundation,

  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

  *

  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

  * or visit www.oracle.com if you need additional information or have any

  * questions.

  */

 package com.sun.tools.javadoc;

 import com.sun.javadoc.*;

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

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

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

 import static com.sun.tools.javac.code.TypeTag.CLASS;

 /**

  * Implementation of <code>ParameterizedType</code>, which

  * represents an invocation of a generic class or interface.

  *

  *  <p><b>This is NOT part of any supported API.

  *  If you write code that depends on this, you do so at your own risk.

  *  This code and its internal interfaces are subject to change or

  *  deletion without notice.</b>

  *

  * @author Scott Seligman

  * @since 1.5

  */

 public class ParameterizedTypeImpl

         extends AbstractTypeImpl implements ParameterizedType {

     ParameterizedTypeImpl(DocEnv env, Type type) {

         super(env, type);

     }

     /**

      * Return the generic class or interface that declared this type.

      */

     @Override

     public ClassDoc asClassDoc() {

         return env.getClassDoc((ClassSymbol)type.tsym);

     }

     /**

      * Return the actual type arguments of this type.

      */

     public com.sun.javadoc.Type[] typeArguments() {

         return TypeMaker.getTypes(env, type.getTypeArguments());

     }

     /**

      * Return the class type that is a direct supertype of this one.

      * Return null if this is an interface type.

      */

     public com.sun.javadoc.Type superclassType() {

         if (asClassDoc().isInterface()) {

             return null;

         }

         Type sup = env.types.supertype(type);

         return TypeMaker.getType(env,

                                  (sup != type) ? sup : env.syms.objectType);

     }

     /**

      * Return the interface types directly implemented by or extended by this

      * parameterized type.

      * Return an empty array if there are no interfaces.

      */

     public com.sun.javadoc.Type[] interfaceTypes() {

         return TypeMaker.getTypes(env, env.types.interfaces(type));

     }

     /**

      * Return the type that contains this type as a member.

      * Return null is this is a top-level type.

      */

     public com.sun.javadoc.Type containingType() {

         if (type.getEnclosingType().hasTag(CLASS)) {

             // This is the type of an inner class.

             return TypeMaker.getType(env, type.getEnclosingType());

         }

         ClassSymbol enclosing = type.tsym.owner.enclClass();

         if (enclosing != null) {

             // Nested but not inner.  Return the ClassDoc of the enclosing

             // class or interface.

             // See java.lang.reflect.ParameterizedType.getOwnerType().

             return env.getClassDoc(enclosing);

         }

         return null;

     }

     // Asking for the "name" of a parameterized type doesn't exactly make

     // sense.  It's a type expression.  Return the name of its generic

     // type.

     @Override

     public String typeName() {

         return TypeMaker.getTypeName(type, false);

     }

     @Override

     public ParameterizedType asParameterizedType() {

         return this;

     }

     @Override

     public String toString() {

         return parameterizedTypeToString(env, (ClassType)type, true);

     }

     static String parameterizedTypeToString(DocEnv env, ClassType cl,

                                             boolean full) {

         if (env.legacyDoclet) {

             return TypeMaker.getTypeName(cl, full);

         }

         StringBuilder s = new StringBuilder();

         if (!(cl.getEnclosingType().hasTag(CLASS))) {               // if not an inner class...

             s.append(TypeMaker.getTypeName(cl, full));

         } else {

             ClassType encl = (ClassType)cl.getEnclosingType();

             s.append(parameterizedTypeToString(env, encl, full))

              .append('.')

              .append(cl.tsym.name.toString());

         }

         s.append(TypeMaker.typeArgumentsString(env, cl, full));

         return s.toString();

     }

 }