读取jar文件的sha1码，请求maven官方的solrsearch接口查询该jar文件所对应的maven坐标信息...

import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import org.apache.commons.io.IOUtils;import java.io.*;
import java.net.URL;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.HashMap;
import java.util.Map;/*** 读取jar文件的sha1码&＃xff0c;请求maven官方的solrsearch接口查询该jar文件所对应的maven坐标信息* Created by Nihaorz on 2017/4/20.*/
public class MakeMavenInfo {public static void main(String[] args) throws IOException, NoSuchAlgorithmException {long start &＃61; System.currentTimeMillis();File dir &＃61; new File("C:\\Users\\Administrator\\Desktop\\jars");for (File jar : dir.listFiles()) {String sha1 &＃61; getSha1ByFile(jar);Map map &＃61; getMavenInfoBySha1(jar, sha1);System.out.println(map);}long end &＃61; System.currentTimeMillis();System.out.println("耗时:" &＃43; (end-start)/1000 &＃43; "秒");}/*** 根据jar包输入流获取该文件的sha1码* &＃64;param file* &＃64;return* &＃64;throws IOException* &＃64;throws NoSuchAlgorithmException*/public static String getSha1ByFile(File file) throws IOException, NoSuchAlgorithmException {MessageDigest sha1 &＃61; MessageDigest.getInstance("SHA1");FileInputStream fis &＃61; new FileInputStream(file);byte[] data &＃61; new byte[1024];int read;while ((read &＃61; fis.read(data)) !&＃61; -1) {sha1.update(data, 0, read);}byte[] hashBytes &＃61; sha1.digest();StringBuffer sb &＃61; new StringBuffer();for (int i &＃61; 0; i getMavenInfoBySha1(File jar, String sha1){Map map &＃61; new HashMap();String url &＃61; "http://search.maven.org/solrsearch/select?q&＃61;1:\"";StringBuilder sb &＃61; new StringBuilder();sb.append(url).append(sha1).append("\"&rows&＃61;20&wt&＃61;json");map.put("jarName", jar.getName());try {String jsonStr &＃61; IOUtils.toString(new URL(sb.toString()));JsonObject json &＃61; new JsonParser().parse(jsonStr).getAsJsonObject();JsonObject obj &＃61; json.getAsJsonObject("response").getAsJsonArray("docs").get(0).getAsJsonObject();map.put("groupId", obj.get("g").getAsString());map.put("artifactId", obj.get("a").getAsString());map.put("version", obj.get("v").getAsString());map.put("packaging", obj.get("p").getAsString());map.put("result", "true");} catch (Exception e) {e.printStackTrace();map.put("result", "false");System.out.println(sb);}return map;}}