Maven本地缓存清理小工具的实现

import com.alibaba.fastjson.JSON;import org.apache.commons.io.FileUtils;import org.apache.commons.io.IOUtils;import org.apache.commons.lang3.StringUtils;import java.io.File;import java.io.IOException;import java.nio.file.Path;import java.nio.file.Paths;import java.util.HashMap;import java.util.Map;/** * @author tjw */public class MavenLocalRepoCleaner {  /**   * coordinateJson   * {   *   "groupId1":"artifactId1:version1,artifactId2:version2...",   *   "groupId2":"artifactId:version,..."   * }   */  public static void main(String[] args) {    String coordinateJson="{"      + "/"top.xbynet.xxx/":/"/""      + "}";    Map<String,String> coordinateMap=JSON.parseObject(coordinateJson,HashMap.class);    Path m2Repo= Paths.get(System.getProperty("user.home"),".m2","repository");    coordinateMap.entrySet().stream().forEach(v->{      String groupId=v.getKey();      groupId = groupId.replace('.', File.separatorChar);      if(StringUtils.isBlank(v.getValue())){        Path dir = Paths.get(m2Repo.toString(), groupId);        try {          FileUtils.deleteDirectory(dir.toFile());        } catch (IOException e) {          e.printStackTrace();        }      }else {        String[] artfactIdVers = v.getValue().split(",");        for (String str : artfactIdVers) {          String ver = "";          if (str.contains(":")) {            ver = str.split(":")[1];          }          String artfactId = str.split(":")[0];          Path dir = Paths.get(m2Repo.toString(), groupId, artfactId, ver);          try {            FileUtils.deleteDirectory(dir.toFile());          } catch (IOException e) {            e.printStackTrace();          }        }      }    });  }}