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

 /*

  * Copyright (c) 1997, 2011, 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

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 package com.sun.tools.internal.jxc.ap;

 import java.lang.annotation.Annotation;

 import java.lang.reflect.InvocationTargetException;

 import java.util.ArrayList;

 import java.util.Collection;

 import java.util.List;

 import javax.lang.model.element.AnnotationMirror;

 import javax.lang.model.element.Element;

 import javax.lang.model.element.ExecutableElement;

 import javax.lang.model.element.TypeElement;

 import javax.lang.model.element.VariableElement;

 import javax.lang.model.type.MirroredTypeException;

 import javax.lang.model.type.MirroredTypesException;

 import javax.lang.model.type.TypeMirror;

 import com.sun.xml.internal.bind.v2.model.annotation.AbstractInlineAnnotationReaderImpl;

 import com.sun.xml.internal.bind.v2.model.annotation.AnnotationReader;

 import com.sun.xml.internal.bind.v2.model.annotation.Locatable;

 import com.sun.xml.internal.bind.v2.model.annotation.LocatableAnnotation;

 /**

  * {@link AnnotationReader} implementation that reads annotation inline from Annoation Processing.

  *

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

  */

 public final class InlineAnnotationReaderImpl extends AbstractInlineAnnotationReaderImpl<TypeMirror, TypeElement, VariableElement, ExecutableElement> {

     /** The singleton instance. */

     public static final InlineAnnotationReaderImpl theInstance = new InlineAnnotationReaderImpl();

     private InlineAnnotationReaderImpl() {}

     public <A extends Annotation> A getClassAnnotation(Class<A> a, TypeElement clazz, Locatable srcPos) {

         return LocatableAnnotation.create(clazz.getAnnotation(a),srcPos);

     }

     public <A extends Annotation> A getFieldAnnotation(Class<A> a, VariableElement f, Locatable srcPos) {

         return LocatableAnnotation.create(f.getAnnotation(a),srcPos);

     }

     public boolean hasFieldAnnotation(Class<? extends Annotation> annotationType, VariableElement f) {

         return f.getAnnotation(annotationType)!=null;

     }

     public boolean hasClassAnnotation(TypeElement clazz, Class<? extends Annotation> annotationType) {

         return clazz.getAnnotation(annotationType)!=null;

     }

     public Annotation[] getAllFieldAnnotations(VariableElement field, Locatable srcPos) {

         return getAllAnnotations(field,srcPos);

     }

     public <A extends Annotation> A getMethodAnnotation(Class<A> a, ExecutableElement method, Locatable srcPos) {

         return LocatableAnnotation.create(method.getAnnotation(a),srcPos);

     }

     public boolean hasMethodAnnotation(Class<? extends Annotation> a, ExecutableElement method) {

         return method.getAnnotation(a)!=null;

     }

     public Annotation[] getAllMethodAnnotations(ExecutableElement method, Locatable srcPos) {

         return getAllAnnotations(method,srcPos);

     }

     /**

      * Gets all the annotations on the given declaration.

      */

     private Annotation[] getAllAnnotations(Element decl, Locatable srcPos) {

         List<Annotation> r = new ArrayList<Annotation>();

         for( AnnotationMirror m : decl.getAnnotationMirrors() ) {

             try {

                 String fullName = ((TypeElement) m.getAnnotationType().asElement()).getQualifiedName().toString();

                 Class<? extends Annotation> type =

                     SecureLoader.getClassClassLoader(getClass()).loadClass(fullName).asSubclass(Annotation.class);

                 Annotation annotation = decl.getAnnotation(type);

                 if(annotation!=null)

                     r.add( LocatableAnnotation.create(annotation,srcPos) );

             } catch (ClassNotFoundException e) {

                 // just continue

             }

         }

         return r.toArray(new Annotation[r.size()]);

     }

     public <A extends Annotation> A getMethodParameterAnnotation(Class<A> a, ExecutableElement m, int paramIndex, Locatable srcPos) {

         VariableElement[] params = m.getParameters().toArray(new VariableElement[m.getParameters().size()]);

         return LocatableAnnotation.create(

             params[paramIndex].getAnnotation(a), srcPos );

     }

     public <A extends Annotation> A getPackageAnnotation(Class<A> a, TypeElement clazz, Locatable srcPos) {

         return LocatableAnnotation.create(clazz.getEnclosingElement().getAnnotation(a), srcPos);

     }

     public TypeMirror getClassValue(Annotation a, String name) {

         try {

             a.annotationType().getMethod(name).invoke(a);

             assert false;

             throw new IllegalStateException("should throw a MirroredTypeException");

         } catch (IllegalAccessException e) {

             throw new IllegalAccessError(e.getMessage());

         } catch (InvocationTargetException e) {

             if( e.getCause() instanceof MirroredTypeException ) {

                 MirroredTypeException me = (MirroredTypeException)e.getCause();

                 return me.getTypeMirror();

             }

             // impossible

             throw new RuntimeException(e);

         } catch (NoSuchMethodException e) {

             throw new NoSuchMethodError(e.getMessage());

         }

     }

     public TypeMirror[] getClassArrayValue(Annotation a, String name) {

         try {

             a.annotationType().getMethod(name).invoke(a);

             assert false;

             throw new IllegalStateException("should throw a MirroredTypesException");

         } catch (IllegalAccessException e) {

             throw new IllegalAccessError(e.getMessage());

         } catch (InvocationTargetException e) {

             if( e.getCause() instanceof MirroredTypesException ) {

                 MirroredTypesException me = (MirroredTypesException)e.getCause();

                 Collection<? extends TypeMirror> r = me.getTypeMirrors();

                 return r.toArray(new TypeMirror[r.size()]);

             }

             // *********************** TODO: jdk6 bug. Fixed in java7

             // According to the javadocs it should throw the MirroredTypesException

             if( e.getCause() instanceof MirroredTypeException ) {

                 MirroredTypeException me = (MirroredTypeException)e.getCause();

                 TypeMirror tr = me.getTypeMirror();

                 TypeMirror[] trArr = new TypeMirror[1];

                 trArr[0] = tr;

                 return trArr;

             }

             // *******************************************

             // impossible

             throw new RuntimeException(e);

         } catch (NoSuchMethodException e) {

             throw new NoSuchMethodError(e.getMessage());

         }

     }

     protected String fullName(ExecutableElement m) {

         return ((TypeElement) m.getEnclosingElement()).getQualifiedName().toString()+'#'+m.getSimpleName();

     }

 }