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

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

  * questions.

  */

 package com.sun.xml.internal.bind.v2.model.annotation;

 import java.lang.annotation.Annotation;

 import java.lang.reflect.Field;

 import java.lang.reflect.InvocationTargetException;

 import java.lang.reflect.Method;

 import java.lang.reflect.Type;

 import java.util.HashMap;

 import java.util.Map;

 /**

  * {@link AnnotationReader} that uses {@code java.lang.reflect} to

  * read annotations from class files.

  *

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

  */

 public final class RuntimeInlineAnnotationReader extends AbstractInlineAnnotationReaderImpl<Type,Class,Field,Method>

     implements RuntimeAnnotationReader {

     public <A extends Annotation> A getFieldAnnotation(Class<A> annotation, Field field, Locatable srcPos) {

         return LocatableAnnotation.create(field.getAnnotation(annotation),srcPos);

     }

     public boolean hasFieldAnnotation(Class<? extends Annotation> annotationType, Field field) {

         return field.isAnnotationPresent(annotationType);

     }

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

         return clazz.isAnnotationPresent(annotationType);

     }

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

         Annotation[] r = field.getAnnotations();

         for( int i=0; i<r.length; i++ ) {

             r[i] = LocatableAnnotation.create(r[i],srcPos);

         }

         return r;

     }

     public <A extends Annotation> A getMethodAnnotation(Class<A> annotation, Method method, Locatable srcPos) {

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

     }

     public boolean hasMethodAnnotation(Class<? extends Annotation> annotation, Method method) {

         return method.isAnnotationPresent(annotation);

     }

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

         Annotation[] r = method.getAnnotations();

         for( int i=0; i<r.length; i++ ) {

             r[i] = LocatableAnnotation.create(r[i],srcPos);

         }

         return r;

     }

     public <A extends Annotation> A getMethodParameterAnnotation(Class<A> annotation, Method method, int paramIndex, Locatable srcPos) {

         Annotation[] pa = method.getParameterAnnotations()[paramIndex];

         for( Annotation a : pa ) {

             if(a.annotationType()==annotation)

                 return LocatableAnnotation.create((A)a,srcPos);

         }

         return null;

     }

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

         return LocatableAnnotation.create(((Class<?>)clazz).getAnnotation(a),srcPos);

     }

     /**

      * Cache for package-level annotations.

      */

     private final Map<Class<? extends Annotation>,Map<Package,Annotation>> packageCache =

             new HashMap<Class<? extends Annotation>,Map<Package,Annotation>>();

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

         Package p = clazz.getPackage();

         if(p==null) return null;

         Map<Package,Annotation> cache = packageCache.get(a);

         if(cache==null) {

             cache = new HashMap<Package,Annotation>();

             packageCache.put(a,cache);

         }

         if(cache.containsKey(p))

             return (A)cache.get(p);

         else {

             A ann = LocatableAnnotation.create(p.getAnnotation(a),srcPos);

             cache.put(p,ann);

             return ann;

         }

     }

     public Class getClassValue(Annotation a, String name) {

         try {

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

         } catch (IllegalAccessException e) {

             // impossible

             throw new IllegalAccessError(e.getMessage());

         } catch (InvocationTargetException e) {

             // impossible

             throw new InternalError(Messages.CLASS_NOT_FOUND.format(a.annotationType(), e.getMessage()));

         } catch (NoSuchMethodException e) {

             throw new NoSuchMethodError(e.getMessage());

         }

     }

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

         try {

             return (Class[])a.annotationType().getMethod(name).invoke(a);

         } catch (IllegalAccessException e) {

             // impossible

             throw new IllegalAccessError(e.getMessage());

         } catch (InvocationTargetException e) {

             // impossible

             throw new InternalError(e.getMessage());

         } catch (NoSuchMethodException e) {

             throw new NoSuchMethodError(e.getMessage());

         }

     }

     protected String fullName(Method m) {

         return m.getDeclaringClass().getName()+'#'+m.getName();

     }

 }