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1   /*
2    * Copyright 2009 Werner Guttmann
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
5    * in compliance with the License. You may obtain a copy of the License at
6    *
7    * http://www.apache.org/licenses/LICENSE-2.0
8    *
9    * Unless required by applicable law or agreed to in writing, software distributed under the License
10   * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
11   * or implied. See the License for the specific language governing permissions and limitations under
12   * the License.
13   */
14  package org.castor.core.annotationprocessing;
15  
16  import java.lang.annotation.Annotation;
17  import java.lang.reflect.AnnotatedElement;
18  import java.lang.reflect.Field;
19  
20  import org.castor.core.nature.BaseNature;
21  
22  /**
23   * The interface each specific target-aware annotation processor has to fulfill.
24   * 
25   * @see AnnotationProcessor
26   * @author Alexander Eibner, Peter Schmidt
27   * @since 1.3.1
28   */
29  public interface TargetAwareAnnotationProcessor extends AnnotationProcessor {
30  
31    /**
32     * The processing action of this processor. If an annotation is given which is not supported false
33     * is returned.
34     * 
35     * @param info the Info class that should be filled with the information read
36     * @param annotation the annotation to process
37     * @param target the target ({@link Field}, {@link Class}, etc.) of the given annotation
38     * @return true, if the annotation was processed successfully, false if not
39     * @throws AnnotationTargetException if an annotation is used in a context that is not valid.
40     * @see AnnotatedElement
41     */
42    <I extends BaseNature, A extends Annotation> boolean processAnnotation(I info, final A annotation,
43        final AnnotatedElement target) throws AnnotationTargetException;
44  
45  }