com.ethercis.servicemanager.service.ServiceClassScanner.java Source code

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Here is the source code for com.ethercis.servicemanager.service.ServiceClassScanner.java

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/*
 * Copyright (c) 2015 Christian Chevalley
 * This file is part of Project Ethercis
 *
 * Licensed 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 com.ethercis.servicemanager.service;

import com.ethercis.servicemanager.annotation.Service;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider;
import org.springframework.core.type.filter.AnnotationTypeFilter;
import org.springframework.util.ClassUtils;

import java.util.ArrayList;
import java.util.List;

public class ServiceClassScanner extends ClassPathScanningCandidateComponentProvider {

    public ServiceClassScanner() {
        super(false);
        addIncludeFilter(new AnnotationTypeFilter(Service.class));
    }

    public final List<Class<Service>> getServiceClasses(String basePackage) {
        basePackage = basePackage == null ? "" : basePackage;
        List<Class<Service>> classes = new ArrayList<Class<Service>>();
        for (BeanDefinition candidate : findCandidateComponents(basePackage)) {
            try {
                @SuppressWarnings("unchecked")
                Class<Service> cls = (Class<Service>) ClassUtils.resolveClassName(candidate.getBeanClassName(),
                        ClassUtils.getDefaultClassLoader());
                classes.add((Class<Service>) cls);
            } catch (Throwable ex) {
                ex.printStackTrace();
            }
        }
        return classes;
    }

}