io.seata.spring.annotation.scannercheckers.PackageScannerChecker Maven / Gradle / Ivy
/*
* Copyright 1999-2019 Seata.io Group.
*
* 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 io.seata.spring.annotation.scannercheckers;
import java.util.HashSet;
import java.util.Set;
import javax.annotation.Nullable;
import io.seata.common.loader.LoadLevel;
import io.seata.spring.annotation.ScannerChecker;
import org.apache.commons.lang.ArrayUtils;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
/**
* Package scanner checker.
*
* @author wang.liang
*/
@LoadLevel(name = "Packages", order = 100)
public class PackageScannerChecker implements ScannerChecker {
/**
* The packages need to scan
*/
private static final Set SCANNABLE_PACKAGE_SET = new HashSet<>();
/**
* Add more packages.
*
* @param packages the packages
*/
public static void addScannablePackages(String... packages) {
if (ArrayUtils.isNotEmpty(packages)) {
synchronized (SCANNABLE_PACKAGE_SET) {
for (String pkg : packages) {
if (StringUtils.isNotBlank(pkg)) {
SCANNABLE_PACKAGE_SET.add(pkg.trim().toLowerCase());
}
}
}
}
}
@Override
public boolean check(Object bean, String beanName, @Nullable ConfigurableListableBeanFactory beanFactory) throws Exception {
if (SCANNABLE_PACKAGE_SET.isEmpty()) {
// if empty, pass this checker
return true;
}
String className = bean.getClass().getName();
for (String pkg : SCANNABLE_PACKAGE_SET) {
if (className.startsWith(pkg)) {
// need scan
return true;
}
}
// not in the scannable packages, do not scan this bean
return false;
}
}
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