普通工程轉maven工程lib下jar包一次查詢dependency

package com;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.jar.JarInputStream;
import java.util.jar.Manifest;
import org.dom4j.Element;
import org.dom4j.dom.DOMElement;
import org.jsoup.Jsoup;
import com.alibaba.fastjson.JSONObject;

public class DependencysSearch {
	public static void main(String[] args) throws FileNotFoundException, IOException {
		File dir = new File("D:/developrepertory/eclipse2016/myproj/WebRoot/WEB-INF/lib"); // 需生成pom.xml
																								// 文件的
																								// lib路徑
		DependencysSearch tt1 = new DependencysSearch();
		for (File jar : dir.listFiles()) {
			tt1.getJarDependices(jar);
		}
		System.out.println("============dependencys============");
		for (String s : tt1.fund) {
			System.out.println(s);
		}
		System.out.println("============nofound============");
		for (String s : tt1.nofound) {
			System.out.println(s);
		}
		System.out.println("===========noparse=============");
		for (String s : tt1.noparse) {
			System.out.println(s);
		}
//		Element element = tt1.getJarDependices(new File("D:/developrepertory/eclipse2016/myproj/WebRoot/WEB-INF/lib/spring-webmvc-3.1.1.RELEASE.jar"));
		
	}

	private List<String> nofound=new ArrayList<String>();
	private List<String> noparse=new ArrayList<String>();
	private Element dependencys =new DOMElement("dependencys");
	private List<String> fund =new ArrayList<String>();

	/**
	 * 獲取傳入的jar包的依賴
	 * 
	 * @param jar
	 * @author Norton Lai
	 * @return 
	 * @throws IOException 
	 * @throws FileNotFoundException 
	 * @created 2019年2月21日 上午11:46:46
	 */
	public  Element getJarDependices(File jar) throws FileNotFoundException, IOException {
		System.out.println("開始獲取："+jar.getName()+" 的依賴");
		Element ele = null;
		String jarName = jar.getName().substring(0, jar.getName().length()-4);
		//獲取jar包內的信息
		String[] jarInfo = getJarInfoFromMf(jar);
		String[] jarInfo1 =getJarInfoFromFileName(jar);
		String bundleName = jarInfo[0];
		String bundleVersion = jarInfo[1];
		System.out.println("mf獲取內容  "+Arrays.toString(jarInfo));
		if (bundleName==null) {
			 bundleName = jarInfo1[0];
			 bundleVersion = jarInfo1[1];
			 System.out.println("文件解析獲取內容  "+Arrays.toString(jarInfo1));
		}
		if (bundleName==null) {
			System.out.println(jarName+"無法解析出合適的名稱和版本");
			noparse.add(jar.getName());
			return null;
		}
		ele = getDependices(bundleName, bundleVersion);
		
		if (ele==null||ele.asXML().equals("<dependency/>")||ele.elements().size() == 0) {
			System.out.println("無法查詢到jar包信息: bundleName是否錯誤  "+bundleName+" 使用文件名重試  "+jarName);
			bundleName=jarName.substring(0,jarName.length()- bundleVersion.length()-1
					);
			System.out.println(bundleName);
			ele = getDependices(bundleName, bundleVersion);
		}
		if (ele==null||ele.elements().size()==0||ele.asXML().equals("<dependency/>")) {
			System.out.println(jar.getName()+"未能找到依賴");
			nofound.add(jar.getName());
		}else {
			System.out.println(jar.getName()+"找到依賴 "+ele.asXML());
			dependencys.add(ele);
			fund.add(ele.asXML());
		}
		return ele;
	}
	/**
	 * 從文件名中拆分出版本和依賴名，可能不準
	 * @param jar
	 * @return
	 * @author Norton Lai
	 * @created 2019年2月21日 下午2:19:15
	 */
	private String[] getJarInfoFromFileName(File jar){
		String jarName = jar.getName().substring(0, jar.getName().length()-4);
		String bundleName = null;
		String bundleVersion = null;
		String[] res=new String[2];
		int idx = jarName.lastIndexOf("-");
		if (idx==-1) {
			return res;
		}
		bundleName=jarName.substring(0, idx);
		bundleVersion=jarName.substring(idx+1, jarName.length());
		res[0]=bundleName;
		res[1]=bundleVersion;
		return res;
	}
	/**
	 * 讀取mf文件獲取jar包信息，可能獲取不到的。
	 * @param jar
	 * @return
	 * @author Norton Lai
	 * @created 2019年2月21日 下午2:16:07
	 */
	private String[] getJarInfoFromMf(File jar){
		String bundleName = null;
		String bundleVersion = null;
		String[] res=new String[2];
		try {
			//獲取jar包內的信息
			JarInputStream jis = new JarInputStream(new FileInputStream(jar));
			Manifest mainmanifest = jis.getManifest();
			jis.close();
			bundleName = mainmanifest.getMainAttributes().getValue("Bundle-Name");
			bundleVersion = mainmanifest.getMainAttributes().getValue("Bundle-Version");
			if (bundleName!=null) {
				bundleName = bundleName.toLowerCase().replace(" ", "-");
			}
		} catch (Exception e) {
			
		}
		res[0]=bundleName;
		res[1]=bundleVersion;
		return res;
	}

	/**
	 * 傳入包的名稱和版本 ，返回pom的依賴
	 * 
	 * @param key
	 * @param ver
	 * @return
	 * @author Norton Lai
	 * @created 2019年2月21日 上午11:38:07
	 */
	public static Element getDependices(String key, String ver) {
		Element dependency = new DOMElement("dependency");
		// 設置代理
		// System.setProperty("http.proxyHost", "127.0.0.1");
		// System.setProperty("http.proxyPort", "8090");
		try {
			String url = "http://search.maven.org/solrsearch/select?q=a%3A%22" + key + "%22%20AND%20v%3A%22" + ver
					+ "%22&rows=3&wt=json";
			org.jsoup.nodes.Document doc = Jsoup.connect(url).ignoreContentType(true).timeout(30000).get();
			String elem = doc.body().text();
			JSONObject response = JSONObject.parseObject(elem).getJSONObject("response");
			if (response.containsKey("docs") && response.getJSONArray("docs").size() > 0) {
				JSONObject docJson = response.getJSONArray("docs").getJSONObject(0);
				Element groupId = new DOMElement("groupId");
				Element artifactId = new DOMElement("artifactId");
				Element version = new DOMElement("version");
				groupId.addText(docJson.getString("g"));
				artifactId.addText(docJson.getString("a"));
				version.addText(docJson.getString("v"));
				dependency.add(groupId);
				dependency.add(artifactId);
				dependency.add(version);
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		return dependency;
	}
}

使用了 dom4j-1.6.1 fastjson-1.1.37 jsoup-1.10.3 三個jar包