jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/tools/internal/jxc/model/nav/ApNavigator.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.jxc.model.nav;

    28 import com.sun.source.tree.CompilationUnitTree;

    29 import com.sun.source.util.TreePath;

    30 import com.sun.source.util.Trees;

    31 import com.sun.xml.internal.bind.v2.model.nav.Navigator;

    32 import com.sun.xml.internal.bind.v2.runtime.Location;

    34 import javax.annotation.processing.ProcessingEnvironment;

    35 import javax.lang.model.element.AnnotationMirror;

    36 import javax.lang.model.element.Element;

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

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

    39 import javax.lang.model.element.Modifier;

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

    41 import javax.lang.model.element.TypeParameterElement;

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

    43 import javax.lang.model.type.ArrayType;

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

    45 import javax.lang.model.type.PrimitiveType;

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

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

    48 import javax.lang.model.type.TypeVariable;

    49 import javax.lang.model.type.TypeVisitor;

    50 import javax.lang.model.type.WildcardType;

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

    52 import javax.lang.model.util.Elements;

    53 import javax.lang.model.util.SimpleTypeVisitor6;

    54 import javax.lang.model.util.Types;

    55 import java.lang.annotation.Annotation;

    56 import java.util.Collection;

    57 import java.util.HashMap;

    58 import java.util.HashSet;

    59 import java.util.List;

    60 import java.util.Map;

    62 /**

    63  * {@link Navigator} implementation for annotation processing.

    64  * TODO: check the spec on how generics are supposed to be handled

    65  *

    66  * @author Kohsuke Kawaguchi (kk@kohsuke.org)

    67  */

    68 public final class ApNavigator implements Navigator<TypeMirror, TypeElement, VariableElement, ExecutableElement> {

    70     private final ProcessingEnvironment env;

    72     private final PrimitiveType primitiveByte;

    74     public ApNavigator(ProcessingEnvironment env) {

    75         this.env = env;

    76         this.primitiveByte = env.getTypeUtils().getPrimitiveType(TypeKind.BYTE);

    77     }

    79     public TypeElement getSuperClass(TypeElement typeElement) {

    80         if (typeElement.getKind().equals(ElementKind.CLASS)) {

    81             TypeMirror sup = typeElement.getSuperclass();

    82             if (!sup.getKind().equals(TypeKind.NONE))

    83                 return (TypeElement) ((DeclaredType) sup).asElement();

    84             else

    85                 return null;

    86         }

    87         return env.getElementUtils().getTypeElement(Object.class.getName());

    88     }

    90     public TypeMirror getBaseClass(TypeMirror type, TypeElement sup) {

    91         return baseClassFinder.visit(type, sup);

    92     }

    94     public String getClassName(TypeElement t) {

    95         return t.getQualifiedName().toString();

    96     }

    98     public String getTypeName(TypeMirror typeMirror) {

    99         return typeMirror.toString();

   100     }

   102     public String getClassShortName(TypeElement t) {

   103         return t.getSimpleName().toString();

   104     }

   106     public Collection<VariableElement> getDeclaredFields(TypeElement typeElement) {

   107         return ElementFilter.fieldsIn(typeElement.getEnclosedElements());

   108     }

   110     public VariableElement getDeclaredField(TypeElement clazz, String fieldName) {

   111         for (VariableElement fd : ElementFilter.fieldsIn(clazz.getEnclosedElements())) {

   112             if (fd.getSimpleName().toString().equals(fieldName))

   113                 return fd;

   114         }

   115         return null;

   116     }

   118     public Collection<ExecutableElement> getDeclaredMethods(TypeElement typeElement) {

   119         return ElementFilter.methodsIn(typeElement.getEnclosedElements());

   120     }

   122     public TypeElement getDeclaringClassForField(VariableElement f) {

   123         return (TypeElement) f.getEnclosingElement();

   124     }

   126     public TypeElement getDeclaringClassForMethod(ExecutableElement m) {

   127         return (TypeElement) m.getEnclosingElement();

   128     }

   130     public TypeMirror getFieldType(VariableElement f) {

   131         return f.asType();

   132     }

   134     public String getFieldName(VariableElement f) {

   135         return f.getSimpleName().toString();

   136     }

   138     public String getMethodName(ExecutableElement m) {

   139         return m.getSimpleName().toString();

   140     }

   142     public TypeMirror getReturnType(ExecutableElement m) {

   143         return m.getReturnType();

   144     }

   146     public TypeMirror[] getMethodParameters(ExecutableElement m) {

   147         Collection<? extends VariableElement> ps = m.getParameters();

   148         TypeMirror[] r = new TypeMirror[ps.size()];

   149         int i=0;

   150         for (VariableElement p : ps)

   151             r[i++] = p.asType();

   152         return r;

   153     }

   155     public boolean isStaticMethod(ExecutableElement m) {

   156         return hasModifier(m, Modifier.STATIC);

   157     }

   159     public boolean isFinalMethod(ExecutableElement m) {

   160         return hasModifier(m, Modifier.FINAL);

   161     }

   163     private boolean hasModifier(Element d, Modifier mod) {

   164         return d.getModifiers().contains(mod);

   165     }

   167     public boolean isSubClassOf(TypeMirror sub, TypeMirror sup) {

   168         if(sup==DUMMY)

   169         // see ref(). if the sub type is known to Annotation Processing,

   170         // its base class must be known. Thus if the sup is DUMMY,

   171         // it cannot possibly be the super type.

   172             return false;

   173         return env.getTypeUtils().isSubtype(sub,sup);

   174     }

   176     private String getSourceClassName(Class clazz) {

   177         Class<?> d = clazz.getDeclaringClass();

   178         if(d==null)

   179             return clazz.getName();

   180         else {

   181             String shortName = clazz.getName().substring(d.getName().length()+1/*for $*/);

   182             return getSourceClassName(d)+'.'+shortName;

   183         }

   184     }

   186     public TypeMirror ref(Class c) {

   187         if(c.isArray())

   188             return env.getTypeUtils().getArrayType( ref(c.getComponentType()) );

   189         if(c.isPrimitive())

   190             return getPrimitive(c);

   191         TypeElement t = env.getElementUtils().getTypeElement(getSourceClassName(c));

   192         // Annotation Processing only operates on a set of classes used in the compilation,

   193         // and it won't recognize additional classes (even if they are visible from javac)

   194         // and return null.

   195         //

   196         // this is causing a problem where we check if a type is collection.

   197         // so until the problem is fixed in Annotation Processing, work around the issue

   198         // by returning a dummy token

   199         // TODO: check if this is still valid

   200         if(t==null)

   201             return DUMMY;

   202         return env.getTypeUtils().getDeclaredType(t);

   203     }

   205     public TypeMirror use(TypeElement t) {

   206         assert t != null;

   207         return env.getTypeUtils().getDeclaredType(t);

   208     }

   210     public TypeElement asDecl(TypeMirror m) {

   211         m = env.getTypeUtils().erasure(m);

   212         if (m.getKind().equals(TypeKind.DECLARED)) {

   213             DeclaredType d = (DeclaredType) m;

   214             return (TypeElement) d.asElement();

   215         } else

   216             return null;

   217     }

   219     public TypeElement asDecl(Class c) {

   220         return env.getElementUtils().getTypeElement(getSourceClassName(c));

   221     }

   223     public TypeMirror erasure(TypeMirror t) {

   224         Types tu = env.getTypeUtils();

   225         t = tu.erasure(t);

   226         if (t.getKind().equals(TypeKind.DECLARED)) {

   227             DeclaredType dt = (DeclaredType)t;

   228             if (!dt.getTypeArguments().isEmpty())

   229                 return tu.getDeclaredType((TypeElement) dt.asElement());

   230         }

   231         return t;

   232     }

   234     public boolean isAbstract(TypeElement clazz) {

   235         return hasModifier(clazz,Modifier.ABSTRACT);

   236     }

   238     public boolean isFinal(TypeElement clazz) {

   239         return hasModifier(clazz, Modifier.FINAL);

   240     }

   242     public VariableElement[] getEnumConstants(TypeElement clazz) {

   243         List<? extends Element> elements = env.getElementUtils().getAllMembers(clazz);

   244         Collection<VariableElement> constants = new HashSet<VariableElement>();

   245         for (Element element : elements) {

   246             if (element.getKind().equals(ElementKind.ENUM_CONSTANT)) {

   247                 constants.add((VariableElement) element);

   248             }

   249         }

   250         return constants.toArray(new VariableElement[constants.size()]);

   251     }

   253     public TypeMirror getVoidType() {

   254         return env.getTypeUtils().getNoType(TypeKind.VOID);

   255     }

   257     public String getPackageName(TypeElement clazz) {

   258         return env.getElementUtils().getPackageOf(clazz).getQualifiedName().toString();

   259     }

   261     @Override

   262     public TypeElement loadObjectFactory(TypeElement referencePoint, String packageName) {

   263         return env.getElementUtils().getTypeElement(packageName + ".ObjectFactory");

   264     }

   266     public boolean isBridgeMethod(ExecutableElement method) {

   267         return method.getModifiers().contains(Modifier.VOLATILE);

   268     }

   270     public boolean isOverriding(ExecutableElement method, TypeElement base) {

   271         Elements elements = env.getElementUtils();

   273         while (true) {

   274             for (ExecutableElement m : ElementFilter.methodsIn(elements.getAllMembers(base))) {

   275                 if (elements.overrides(method, m, base))

   276                     return true;

   277             }

   279             if (base.getSuperclass().getKind().equals(TypeKind.NONE))

   280                 return false;

   281             base = (TypeElement) env.getTypeUtils().asElement(base.getSuperclass());

   282         }

   283     }

   285     public boolean isInterface(TypeElement clazz) {

   286         return clazz.getKind().isInterface();

   287     }

   289     public boolean isTransient(VariableElement f) {

   290         return f.getModifiers().contains(Modifier.TRANSIENT);

   291     }

   293     public boolean isInnerClass(TypeElement clazz) {

   294         return clazz.getEnclosingElement() != null && !clazz.getModifiers().contains(Modifier.STATIC);

   295     }

   297     @Override

   298     public boolean isSameType(TypeMirror t1, TypeMirror t2) {

   299         return env.getTypeUtils().isSameType(t1, t2);

   300     }

   302     public boolean isArray(TypeMirror type) {

   303         return type != null && type.getKind().equals(TypeKind.ARRAY);

   304     }

   306     public boolean isArrayButNotByteArray(TypeMirror t) {

   307         if(!isArray(t))

   308             return false;

   310         ArrayType at = (ArrayType) t;

   311         TypeMirror ct = at.getComponentType();

   313         return !ct.equals(primitiveByte);

   314     }

   316     public TypeMirror getComponentType(TypeMirror t) {

   317         if (isArray(t)) {

   318             ArrayType at = (ArrayType) t;

   319             return at.getComponentType();

   320         }

   322         throw new IllegalArgumentException();

   323     }

   325     public TypeMirror getTypeArgument(TypeMirror typeMirror, int i) {

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

   327             DeclaredType declaredType = (DeclaredType) typeMirror;

   328             TypeMirror[] args = declaredType.getTypeArguments().toArray(new TypeMirror[declaredType.getTypeArguments().size()]);

   329             return args[i];

   330         } else throw new IllegalArgumentException();

   331     }

   333     public boolean isParameterizedType(TypeMirror typeMirror) {

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

   335             DeclaredType d = (DeclaredType) typeMirror;

   336             return !d.getTypeArguments().isEmpty();

   337         }

   338         return false;

   339     }

   341     public boolean isPrimitive(TypeMirror t) {

   342         return t.getKind().isPrimitive();

   343     }

   345     private static final Map<Class, TypeKind> primitives = new HashMap<Class, TypeKind>();

   347     static {

   348         primitives.put(Integer.TYPE, TypeKind.INT);

   349         primitives.put(Byte.TYPE, TypeKind.BYTE);

   350         primitives.put(Float.TYPE, TypeKind.FLOAT);

   351         primitives.put(Boolean.TYPE, TypeKind.BOOLEAN);

   352         primitives.put(Short.TYPE, TypeKind.SHORT);

   353         primitives.put(Long.TYPE, TypeKind.LONG);

   354         primitives.put(Double.TYPE, TypeKind.DOUBLE);

   355         primitives.put(Character.TYPE, TypeKind.CHAR);

   356     }

   358     public TypeMirror getPrimitive(Class primitiveType) {

   359         assert primitiveType.isPrimitive();

   360         if(primitiveType==void.class)

   361             return getVoidType();

   362         return env.getTypeUtils().getPrimitiveType(primitives.get(primitiveType));

   363     }

   365     /**

   366      * see {@link #ref(Class)}.

   367      */

   368     private static final TypeMirror DUMMY = new TypeMirror() {

   369         @Override

   370         public <R, P> R accept(TypeVisitor<R, P> v, P p) {

   371             throw new IllegalStateException();

   372         }

   374         @Override

   375         public TypeKind getKind() {

   376             throw new IllegalStateException();

   377         }

   379 //        @Override

   380         public List<? extends AnnotationMirror> getAnnotationMirrors() {

   381             throw new IllegalStateException();

   382         }

   384 //        @Override

   385         public <A extends Annotation> A getAnnotation(Class<A> annotationType) {

   386             throw new IllegalStateException();

   387         }

   389 //        @Override

   390         public <A extends Annotation> A[] getAnnotationsByType(Class<A> annotationType) {

   391             throw new IllegalStateException();

   392         }

   393     };

   395     public Location getClassLocation(TypeElement typeElement) {

   396         Trees trees = Trees.instance(env);

   397         return getLocation(typeElement.getQualifiedName().toString(), trees.getPath(typeElement));

   398     }

   400     public Location getFieldLocation(VariableElement variableElement) {

   401         return getLocation(variableElement);

   402     }

   404     public Location getMethodLocation(ExecutableElement executableElement) {

   405         return getLocation(executableElement);

   406     }

   408     public boolean hasDefaultConstructor(TypeElement t) {

   409         if (t == null || !t.getKind().equals(ElementKind.CLASS))

   410             return false;

   412         for (ExecutableElement init : ElementFilter.constructorsIn(env.getElementUtils().getAllMembers(t))) {

   413             if (init.getParameters().isEmpty())

   414                 return true;

   415         }

   416         return false;

   417     }

   419     public boolean isStaticField(VariableElement f) {

   420         return hasModifier(f,Modifier.STATIC);

   421     }

   423     public boolean isPublicMethod(ExecutableElement m) {

   424         return hasModifier(m,Modifier.PUBLIC);

   425     }

   427     public boolean isPublicField(VariableElement f) {

   428         return hasModifier(f,Modifier.PUBLIC);

   429     }

   431     public boolean isEnum(TypeElement t) {

   432         return t != null && t.getKind().equals(ElementKind.ENUM);

   433     }

   435     private Location getLocation(Element element) {

   436         Trees trees = Trees.instance(env);

   437         return getLocation(

   438                 ((TypeElement) element.getEnclosingElement()).getQualifiedName() + "." + element.getSimpleName(),

   439                 trees.getPath(element)

   440         );

   441     }

   443     private Location getLocation(final String name, final TreePath treePath) {

   444         return new Location() {

   445             public String toString() {

   446                 if (treePath == null)

   447                     return name + " (Unknown Source)";

   448                 // just like stack trace, we just print the file name and

   449                 // not the whole path. The idea is that the package name should

   450                 // provide enough clue on which directory it lives.

   451                 CompilationUnitTree compilationUnit = treePath.getCompilationUnit();

   452                 Trees trees = Trees.instance(env);

   453                 long startPosition = trees.getSourcePositions().getStartPosition(compilationUnit, treePath.getLeaf());

   454                 return name + "(" +

   455                         compilationUnit.getSourceFile().getName() + ":" + compilationUnit.getLineMap().getLineNumber(startPosition) +

   456                         ")";

   457             }

   458         };

   459     }

   461     /**

   462      * Implements {@link #getBaseClass}.

   463      */

   464     private final SimpleTypeVisitor6<TypeMirror, TypeElement> baseClassFinder = new SimpleTypeVisitor6<TypeMirror, TypeElement>() {

   465         @Override

   466         public TypeMirror visitDeclared(DeclaredType t, TypeElement sup) {

   467             if (t.asElement().equals(sup))

   468                 return t;

   470             for (TypeMirror i : env.getTypeUtils().directSupertypes(t)) {

   471                 TypeMirror r = visitDeclared((DeclaredType) i, sup);

   472                 if (r != null)

   473                     return r;

   474             }

   476             // otherwise recursively apply super class and base types

   477             TypeMirror superclass = ((TypeElement) t.asElement()).getSuperclass();

   478             if (!superclass.getKind().equals(TypeKind.NONE)) {

   479                 TypeMirror r = visitDeclared((DeclaredType) superclass, sup);

   480                 if (r != null)

   481                     return r;

   482             }

   483             return null;

   484         }

   486         @Override

   487         public TypeMirror visitTypeVariable(TypeVariable t, TypeElement typeElement) {

   488             // we are checking if T (declared as T extends A&B&C) is assignable to sup.

   489             // so apply bounds recursively.

   490             for (TypeMirror typeMirror : ((TypeParameterElement) t.asElement()).getBounds()) {

   491                 TypeMirror m = visit(typeMirror, typeElement);

   492                 if (m != null)

   493                     return m;

   494             }

   495             return null;

   496         }

   498         @Override

   499         public TypeMirror visitArray(ArrayType t, TypeElement typeElement) {

   500             // we are checking if t=T[] is assignable to sup.

   501             // the only case this is allowed is sup=Object,

   502             // and Object isn't parameterized.

   503             return null;

   504         }

   506         @Override

   507         public TypeMirror visitWildcard(WildcardType t, TypeElement typeElement) {

   508             // we are checking if T (= ? extends A&B&C) is assignable to sup.

   509             // so apply bounds recursively.

   510             return visit(t.getExtendsBound(), typeElement);

   511         }

   513         @Override

   514         protected TypeMirror defaultAction(TypeMirror e, TypeElement typeElement) {

   515             return e;

   516         }

   517     };

   518 }

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

src/share/jaxws_classes/com/sun/tools/internal/jxc/model/nav/ApNavigator.java@9c07ef4934dd

src/share/jaxws_classes/com/sun/tools/internal/jxc/model/nav/ApNavigator.java