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package com.github.dennisit.vplus.data.utils;

import com.google.common.collect.Lists;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.ArrayUtils;
import org.springframework.context.support.GenericApplicationContext;
import org.springframework.core.io.Resource;

import java.net.URL;
import java.util.Arrays;
import java.util.List;

@Slf4j
public class JarUtils {

    private static GenericApplicationContext context = new GenericApplicationContext();

    /**
     * Spring加载文件加载文件
     *
     * @param location 文件路径: "classpath*:/resources/**"
     * @return 文件路径URL
     */
    public static List loadJarsFile(String location) {
        log.debug("[Webjars Path]: {}", location);
        List resources = Lists.newArrayList();
        try {
            Resource[] rs = context.getResources(location);
            List list = ArrayUtils.isNotEmpty(rs) ? Arrays.asList(rs) : Lists.newArrayList();
            for (Resource r : list) {
                URL url = r.getURL();
                if (null == url || url.toString().endsWith("/")) {
                    continue;
                }
                resources.add(r);
            }
            return resources;
        } catch (Exception e) {
            log.error(e.getLocalizedMessage(), e);
        }
        return Lists.newArrayList();
    }
}