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 */ 017package org.apache.camel.impl.scan; 018 019import java.lang.annotation.Annotation; 020 021import org.apache.camel.spi.PackageScanFilter; 022import org.apache.camel.util.ObjectHelper; 023 024/** 025 * Package scan filter for testing if a given class is annotated with a certain annotation. 026 */ 027public 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}