add rest client

src/main/java/com/billpaymentservice/bbps/config/RestClientConfig.java

@@ -2,38 +2,46 @@ package com.billpaymentservice.bbps.config;
 
 import java.security.cert.X509Certificate;
 
+import javax.net.ssl.HttpsURLConnection;
 import javax.net.ssl.SSLContext;
 import javax.net.ssl.TrustManager;
 import javax.net.ssl.X509TrustManager;
 
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
+import org.springframework.http.client.SimpleClientHttpRequestFactory;
 import org.springframework.web.client.RestClient;
 
 @Configuration
 public class RestClientConfig {
 
-    @Bean
-    public RestClient restClient() throws Exception {
-        // ✅ Create trust all SSL context
-        SSLContext sslContext = SSLContext.getInstance("TLS");
-        TrustManager[] trustAllCerts = new TrustManager[]{
-            new X509TrustManager() {
-                public X509Certificate[] getAcceptedIssuers() {
-                    return new X509Certificate[0];
-                }
-                public void checkClientTrusted(X509Certificate[] certs, String authType) {
-                }
-                public void checkServerTrusted(X509Certificate[] certs, String authType) {
-                }
-            }
-        };
-        sslContext.init(null, trustAllCerts, new java.security.SecureRandom());
+	@Bean
+	public RestClient restClient() throws Exception {
 
-        // ✅ Create RestClient with custom SSL context
-        return RestClient.builder()
-                .requestFactory(new HttpComponentsClientHttpRequestFactory())
-                .build();
-    }
+		// Create Trust-All SSL context
+		TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() {
+			public X509Certificate[] getAcceptedIssuers() {
+				return new X509Certificate[0];
+			}
+
+			public void checkClientTrusted(X509Certificate[] certs, String authType) {
+			}
+
+			public void checkServerTrusted(X509Certificate[] certs, String authType) {
+			}
+		} };
+
+		SSLContext sslContext = SSLContext.getInstance("TLS");
+		sslContext.init(null, trustAllCerts, new java.security.SecureRandom());
+
+		// Use JDK's Simple HTTP client with custom SSL context
+		SimpleClientHttpRequestFactory requestFactory = new SimpleClientHttpRequestFactory();
+		requestFactory.setBufferRequestBody(false);
+
+		// Apply SSL context to HttpsURLConnection globally
+		HttpsURLConnection.setDefaultSSLSocketFactory(sslContext.getSocketFactory());
+		HttpsURLConnection.setDefaultHostnameVerifier((hostname, session) -> true);
+
+		return RestClient.builder().requestFactory(requestFactory).build();
+	}
 }