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An enhanced toolkit of Mybatis to simplify development.

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package com.baomidou.mybatisplus.spring.boot.starter;

import java.io.IOException;
import java.net.URI;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;

import org.apache.ibatis.io.VFS;
import org.springframework.core.io.Resource;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.core.io.support.ResourcePatternResolver;

/**
 * @author Hans Westerbeek
 * @author Eddú Meléndez
 * @author Kazuki Shimizu
 */
public class SpringBootVFS extends VFS {

    private final ResourcePatternResolver resourceResolver;

    public SpringBootVFS() {
        this.resourceResolver = new PathMatchingResourcePatternResolver(getClass().getClassLoader());
    }

    private static String preserveSubpackageName(final URI uri, final String rootPath) {
        final String uriStr = uri.toString();
        final int start = uriStr.indexOf(rootPath);
        return uriStr.substring(start);
    }

    @Override
    public boolean isValid() {
        return true;
    }

    @Override
    protected List list(URL url, String path) throws IOException {
        Resource[] resources = resourceResolver.getResources("classpath*:" + path + "/**/*.class");
        List resourcePaths = new ArrayList();
        for (Resource resource : resources) {
            resourcePaths.add(preserveSubpackageName(resource.getURI(), path));
        }
        return resourcePaths;
    }

}