| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.karaf.boot.tools.maven.plugin; |
| |
| import java.lang.annotation.Annotation; |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import javax.inject.Singleton; |
| |
| import org.apache.xbean.finder.ClassFinder; |
| import org.springframework.stereotype.Component; |
| |
| public class FilteredClassFinder { |
| |
| @SuppressWarnings("unchecked") |
| public static Set<Class<?>> findClasses(ClassFinder finder, Collection<String> packageNames) { |
| return findClasses(finder, packageNames, new Class[]{Singleton.class, Component.class}); |
| } |
| |
| public static Set<Class<?>> findClasses(ClassFinder finder, Collection<String> packageNames, Class<? extends Annotation>[] annotations) { |
| Set<Class<?>> rawClasses = new HashSet<Class<?>>(); |
| for (Class<? extends Annotation> annotation : annotations) { |
| rawClasses.addAll(finder.findAnnotatedClasses(annotation)); |
| } |
| return filterByBasePackages(rawClasses, packageNames); |
| } |
| |
| private static Set<Class<?>> filterByBasePackages(Set<Class<?>> rawClasses, Collection<String> packageNames) { |
| Set<Class<?>> filteredClasses = new HashSet<Class<?>>(); |
| for (Class<?> clazz : rawClasses) { |
| for (String packageName : packageNames) { |
| if (clazz.getPackage().getName().startsWith(packageName)) { |
| filteredClasses.add(clazz); |
| continue; |
| } |
| } |
| } |
| //System.out.println("Raw: " + rawClasses); |
| //System.out.println("Filtered: " + beanClasses); |
| return filteredClasses; |
| } |
| } |