jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/tools/internal/ws/processor/modeler/annotation/TypeModeler.java@9c07ef4934dd

     1 /*

     2  * Copyright (c) 1997, 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  */

    26 package com.sun.tools.internal.ws.processor.modeler.annotation;

    28 import javax.annotation.processing.ProcessingEnvironment;

    29 import javax.lang.model.element.ElementKind;

    30 import javax.lang.model.element.ExecutableElement;

    31 import javax.lang.model.element.TypeElement;

    32 import javax.lang.model.element.VariableElement;

    33 import javax.lang.model.type.DeclaredType;

    34 import javax.lang.model.type.TypeKind;

    35 import javax.lang.model.type.TypeMirror;

    36 import javax.lang.model.util.ElementFilter;

    37 import java.util.Collection;

    39 /**

    40  * @author WS Development Team

    41  */

    42 final class TypeModeler {

    44     private TypeModeler() {

    45     }

    47     public static TypeElement getDeclaration(TypeMirror typeMirror) {

    48         if (typeMirror != null && typeMirror.getKind().equals(TypeKind.DECLARED))

    49             return (TypeElement) ((DeclaredType) typeMirror).asElement();

    50         return null;

    51     }

    53     public static TypeElement getDeclaringClassMethod(TypeMirror theClass, String methodName, TypeMirror[] args) {

    54         return getDeclaringClassMethod(getDeclaration(theClass), methodName, args);

    55     }

    57     public static TypeElement getDeclaringClassMethod(TypeElement theClass, String methodName, TypeMirror[] args) {

    59         TypeElement retClass = null;

    60         if (theClass.getKind().equals(ElementKind.CLASS)) {

    61             TypeMirror superClass = theClass.getSuperclass();

    62             if (!superClass.getKind().equals(TypeKind.NONE))

    63                 retClass = getDeclaringClassMethod(superClass, methodName, args);

    64         }

    65         if (retClass == null) {

    66             for (TypeMirror interfaceType : theClass.getInterfaces()) {

    67                 retClass = getDeclaringClassMethod(interfaceType, methodName, args);

    68             }

    69         }

    70         if (retClass == null) {

    71             Collection<? extends ExecutableElement> methods = ElementFilter.methodsIn(theClass.getEnclosedElements());

    72             for (ExecutableElement method : methods) {

    73                 if (method.getSimpleName().toString().equals(methodName)) {

    74                     retClass = theClass;

    75                     break;

    76                 }

    77             }

    78         }

    79         return retClass;

    80     }

    82     public static Collection<DeclaredType> collectInterfaces(TypeElement type) {

    83         @SuppressWarnings({"unchecked"})

    84         Collection<DeclaredType> interfaces = (Collection<DeclaredType>) type.getInterfaces();

    85         for (TypeMirror interfaceType : type.getInterfaces()) {

    86             interfaces.addAll(collectInterfaces(getDeclaration(interfaceType)));

    87         }

    88         return interfaces;

    89     }

    91     public static boolean isSubclass(String subTypeName, String superTypeName, ProcessingEnvironment env) {

    92         return isSubclass(env.getElementUtils().getTypeElement(subTypeName), env.getElementUtils().getTypeElement(superTypeName), env);

    93     }

    95     public static boolean isSubclass(TypeElement subType, TypeElement superType, ProcessingEnvironment env) {

    96         return !subType.equals(superType) && isSubElement(subType, superType);

    97     }

    99     public static TypeMirror getHolderValueType(TypeMirror type, TypeElement defHolder, ProcessingEnvironment env) {

   100         TypeElement typeElement = getDeclaration(type);

   101         if (typeElement == null)

   102             return null;

   104         if (isSubElement(typeElement, defHolder)) {

   105             if (type.getKind().equals(TypeKind.DECLARED)) {

   106                 Collection<? extends TypeMirror> argTypes = ((DeclaredType) type).getTypeArguments();

   107                 if (argTypes.size() == 1) {

   108                     return argTypes.iterator().next();

   109                 } else if (argTypes.isEmpty()) {

   110                     VariableElement member = getValueMember(typeElement);

   111                     if (member != null) {

   112                         return member.asType();

   113                     }

   114                 }

   115             }

   116         }

   117         return null;

   118     }

   120     public static VariableElement getValueMember(TypeMirror classType) {

   121         return getValueMember(getDeclaration(classType));

   122     }

   124     public static VariableElement getValueMember(TypeElement type) {

   125         VariableElement member = null;

   126         for (VariableElement field : ElementFilter.fieldsIn(type.getEnclosedElements())) {

   127             if ("value".equals(field.getSimpleName().toString())) {

   128                 member = field;

   129                 break;

   130             }

   131         }

   132         if (member == null && type.getKind().equals(ElementKind.CLASS))

   133             member = getValueMember(type.getSuperclass());

   134         return member;

   135     }

   137     public static boolean isSubElement(TypeElement d1, TypeElement d2) {

   138         if (d1.equals(d2))

   139             return true;

   140         TypeElement superClassDecl = null;

   141         if (d1.getKind().equals(ElementKind.CLASS)) {

   142             TypeMirror superClass = d1.getSuperclass();

   143             if (!superClass.getKind().equals(TypeKind.NONE)) {

   144                 superClassDecl = (TypeElement) ((DeclaredType) superClass).asElement();

   145                 if (superClassDecl.equals(d2))

   146                     return true;

   147             }

   148         }

   149         for (TypeMirror superIntf : d1.getInterfaces()) {

   150             DeclaredType declaredSuperIntf = (DeclaredType) superIntf;

   151             if (declaredSuperIntf.asElement().equals(d2)) {

   152                 return true;

   153             }

   154             if (isSubElement((TypeElement) declaredSuperIntf.asElement(), d2)) {

   155                 return true;

   156             } else if (superClassDecl != null && isSubElement(superClassDecl, d2)) {

   157                 return true;

   158             }

   159         }

   160         return false;

   161     }

   163 }

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