DataSourceDriverLoader接口

package com.fr.stable.fun;

import com.fr.stable.fun.mark.Mutable;

/**
 * 提供给插件用的classLoader拦截器
 */
public interface DataSourceDriverLoader extends Mutable {

//判断是否命中目标驱动
    boolean isInterceptAllowed(String driverName);

//获取具体的classLoader
    ClassLoader getClassLoader();
}

package com.fr.stable.fun.impl;

import com.fr.plugin.ExtraClassManager;
import com.fr.plugin.manage.PluginManager;
import com.fr.stable.fun.DatasourceDriverLoader;

import java.util.Set;

/**
 *具体调用接口的工具类
 */
public class DataSourceDriverLoaderUtils {

    public static ClassLoader getClassLoader(String driverName) {
    Set<DataSourceDriverLoader> dataSourceDriverLoaders = getDataSourceDriverLoader();
    //是空的话说明插件没有成功加载
    if (dataSourceDriverLoaders == null || dataSourceDriverLoaders.isEmpty()) {
        FineLoggerFactory.getLogger().info("====== not loading classloader plugin ======");
    } else {
        for (DataSourceDriverLoader datasourceDriverLoader : dataSourceDriverLoaders) {
            //判断是否是目标driver
            if (datasourceDriverLoader.isInterceptAllowed(driverName)) {
                ClassLoader classLoader = datasourceDriverLoader.getClassLoader();
                return classLoader;
            }
        }
    }
    return null;
}

private static Set<DataSourceDriverLoader> getDataSourceDriverLoader() {
    return ExtraClassManager.getInstance().getArray(DataSourceDriverLoader.XML_TAG);
}
}