使用curl命令行实用程序对带证书的https url进行rest调用的Java等价物

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URI;
import java.security.KeyManagementException;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.ssl.SSLContextBuilder;

public class HttpClientExample {
    public static void main(String[] args) {
        try {
            // 创建信任所有证书的SSL上下文
            SSLContext sslContext = SSLContextBuilder.create()
                    .loadTrustMaterial(new TrustManager[] { new X509TrustManager() {
                        public X509Certificate[] getAcceptedIssuers() {
                            return null;
                        }

                        public void checkClientTrusted(X509Certificate[] certs, String authType) throws CertificateException {
                        }

                        public void checkServerTrusted(X509Certificate[] certs, String authType) throws CertificateException {
                        }
                    } }).build();

            // 创建SSL连接工厂
            SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslContext, NoopHostnameVerifier.INSTANCE);

            // 创建HttpClient对象
            CloseableHttpClient httpClient = HttpClients.custom().setSSLSocketFactory(sslsf).build();

            // 创建HTTP GET请求
            HttpUriRequest request = new HttpGet("https://example.com/api");

            // 发送请求并获取响应
            HttpResponse response = httpClient.execute(request);

            // 处理响应
            HttpEntity entity = response.getEntity();
            BufferedReader reader = new BufferedReader(new InputStreamReader(entity.getContent()));
            String line;
            StringBuilder responseContent = new StringBuilder();
            while ((line = reader.readLine()) != null) {
                responseContent.append(line);
            }
            reader.close();

            // 输出响应内容
            System.out.println(responseContent.toString());

            // 关闭HttpClient
            httpClient.close();
        } catch (NoSuchAlgorithmException | KeyStoreException | KeyManagementException | IOException e) {
            e.printStackTrace();
        }
    }
}