使用java从url读取.war文件中的manifest.mf

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;

public class ReadManifestFromWar {
    public static void main(String[] args) {
        try {
            // 定义URL地址
            String warUrl = "http://example.com/example.war";
            
            // 打开URL连接
            URL url = new URL(warUrl);
            URLConnection connection = url.openConnection();
            
            // 设置连接超时时间为10秒
            connection.setConnectTimeout(10000);
            
            // 获取输入流
            InputStream inputStream = connection.getInputStream();
            
            // 使用BufferedReader读取输入流
            BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
            
            // 读取输入流中的数据
            String line;
            boolean isManifest = false;
            StringBuilder manifestContent = new StringBuilder();
            while ((line = reader.readLine()) != null) {
                if (line.equals("META-INF/MANIFEST.MF")) {
                    isManifest = true;
                } else if (isManifest) {
                    manifestContent.append(line).append("\n");
                }
            }
            
            // 输出manifest.mf文件的内容
            System.out.println(manifestContent.toString());
            
            // 关闭输入流和连接
            reader.close();
            inputStream.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}