package demo;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.IOException;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 MakePomFromJars { public static void main(String[] args) throws FileNotFoundException, IOException {
Element dependencys = new DOMElement("dependencys");
File dir = new File("/Users/xxx/Documents/work/workspaces/maven_demo/src/resources/webapp/WEB-INF/lib"); for (File jar : dir.listFiles()) {
JarInputStream jis = new JarInputStream(new FileInputStream(jar));
Manifest mainmanifest = jis.getManifest();
jis.close(); if (mainmanifest == null) {
System.err.println(jar.getName()); continue;
}
String bundleName = mainmanifest.getMainAttributes().getValue("Bundle-Name");
String bundleVersion = mainmanifest.getMainAttributes().getValue("Bundle-Version");
Element ele = null;
System.out.println(jar.getName());
StringBuffer sb = new StringBuffer(jar.getName()); if (bundleName != null) {
bundleName = bundleName.toLowerCase().replace(" ", "-");
sb.append(bundleName+"\t").append(bundleVersion);
ele = getDependices(bundleName, bundleVersion);
System.out.println(sb.toString());
System.out.println(ele.asXML());
} if (ele == null || ele.elements().size() == 0) {
bundleName = "";
bundleVersion = "";
String[] ns = jar.getName().replace(".jar", "").split("-"); for (String s : ns) { if (Character.isDigit(s.charAt(0))) {
bundleVersion += s + "-";
} else {
bundleName += s + "-";
}
} if (bundleVersion.endsWith("-")) {
bundleVersion = bundleVersion.substring(0, bundleVersion.length() - 1);
} if (bundleName.endsWith("-")) {
bundleName = bundleName.substring(0, bundleName.length() - 1);
}
ele = getDependices(bundleName, bundleVersion);
sb.setLength(0);
sb.append(bundleName+"\t").append(bundleVersion);
System.out.println(sb.toString());
System.out.println(ele.asXML());
}
ele = getDependices(bundleName, bundleVersion); if (ele.elements().size() == 0) {
ele.add(new DOMElement("groupId").addText("not find"));
ele.add(new DOMElement("artifactId").addText(bundleName));
ele.add(new DOMElement("version").addText(bundleVersion));
}
dependencys.add(ele);
System.out.println();
}
System.out.println(dependencys.asXML());
} public static Element getDependices(String key, String ver) {
Element dependency = new DOMElement("dependency"); // 设置代理 // 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;
}
}
转自：https://my.oschina.net/zhhzhfya/blog/735050
