Java HttpsURLConnection调用rest web服务并以编程方式应用证书

import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.security.KeyStore;

public class HttpsURLConnectionExample {
    public static void main(String[] args) throws Exception {
        // 加载证书文件
        KeyStore keyStore = KeyStore.getInstance("JKS");
        keyStore.load(HttpsURLConnectionExample.class.getResourceAsStream("/path/to/keystore.jks"), "password".toCharArray());

        // 创建SSLContext
        SSLContext sslContext = SSLContext.getInstance("TLS");
        TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
        trustManagerFactory.init(keyStore);
        sslContext.init(null, trustManagerFactory.getTrustManagers(), null);

        // 创建SSLSocketFactory
        SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();

        // 创建URL对象
        URL url = new URL("https://example.com/api/endpoint");

        // 创建HttpsURLConnection对象
        HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();

        // 设置连接属性
        connection.setRequestMethod("GET");
        connection.setSSLSocketFactory(sslSocketFactory);

        // 建立连接
        connection.connect();

        // 获取响应数据
        InputStream inputStream = connection.getInputStream();
        BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
        String line;
        StringBuilder response = new StringBuilder();
        while ((line = reader.readLine()) != null) {
            response.append(line);
        }
        reader.close();

        // 打印响应数据
        System.out.println(response.toString());

        // 断开连接
        connection.disconnect();
    }
}