001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.camel.impl;
018
019 import java.lang.annotation.Annotation;
020
021 import org.apache.camel.spi.PackageScanFilter;
022 import org.apache.camel.util.ObjectHelper;
023
024 /**
025 * Package scan filter for testing if a given class is annotated with a certain annotation.
026 */
027 public class AnnotatedWithPackageScanFilter implements PackageScanFilter {
028
029 private Class<? extends Annotation> annotation;
030 private boolean checkMetaAnnotations;
031
032 public AnnotatedWithPackageScanFilter(Class<? extends Annotation> annotation) {
033 this(annotation, false);
034 }
035
036 public AnnotatedWithPackageScanFilter(Class<? extends Annotation> annotation, boolean checkMetaAnnotations) {
037 this.annotation = annotation;
038 this.checkMetaAnnotations = checkMetaAnnotations;
039 }
040
041 public boolean matches(Class type) {
042 return type != null && ObjectHelper.hasAnnotation(type, annotation, checkMetaAnnotations);
043 }
044
045 @Override
046 public String toString() {
047 return "annotated with @" + annotation.getSimpleName();
048 }
049 }