jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/tools/internal/ws/processor/modeler/annotation/TypeModeler.java@f50545b5e2f1

     1 /*

     2  * Copyright (c) 1997, 2010, 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         if (retClass == null) {

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

    71             for (ExecutableElement method : methods) {

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

    73                     retClass = theClass;

    74                     break;

    75                 }

    76             }

    77         }

    78         return retClass;

    79     }

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

    82         @SuppressWarnings({"unchecked"})

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

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

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

    86         }

    87         return interfaces;

    88     }

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

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

    92     }

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

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

    96     }

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

    99         TypeElement typeElement = getDeclaration(type);

   100         if (typeElement == null)

   101             return null;

   103         if (isSubElement(typeElement, defHolder)) {

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

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

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

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

   108                 } else if (argTypes.size() == 0) {

   109                     VariableElement member = getValueMember(typeElement);

   110                     if (member != null) {

   111                         return member.asType();

   112                     }

   113                 }

   114             }

   115         }

   116         return null;

   117     }

   119     public static VariableElement getValueMember(TypeMirror classType) {

   120         return getValueMember(getDeclaration(classType));

   121     }

   123     public static VariableElement getValueMember(TypeElement type) {

   124         VariableElement member = null;

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

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

   127                 member = field;

   128                 break;

   129             }

   130         }

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

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

   133         return member;

   134     }

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

   137         if (d1.equals(d2))

   138             return true;

   139         TypeElement superClassDecl = null;

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

   141             TypeMirror superClass = d1.getSuperclass();

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

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

   144                 if (superClassDecl.equals(d2))

   145                     return true;

   146             }

   147         }

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

   149             DeclaredType declaredSuperIntf = (DeclaredType) superIntf;

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

   151                 return true;

   152             }

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

   154                 return true;

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

   156                 return true;

   157             }

   158         }

   159         return false;

   160     }

   162 }

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