fix:replace HttpClient with HttpURLConnection for JDK 8 compatibility.

spring-cloud-tencent-examples/tsf-example/provider-demo/src/main/java/com/tencent/cloud/tsf/demo/provider/ProviderController.java

@@ -21,6 +21,8 @@ import java.net.InetAddress;
 import java.net.NetworkInterface;
 import java.net.SocketException;
 import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.Map;
 
 import javax.servlet.http.HttpServletResponse;
 
@@ -196,4 +198,23 @@ public class ProviderController {
 		LOG.info(response);
 		return response;
 	}
+
+	/**
+	 * 简单的鉴权接口。
+	 * token = provider-demo 鉴权成功，其它失败。
+	 *
+	 * @param token 凭证
+	 * @return 鉴权结果
+	 */
+	@RequestMapping(value = "/checkToken", method = RequestMethod.GET)
+	public Map<String, Object> checkToken(@RequestParam String token) {
+		LOG.info("provider-demo -- request param: [" + token + "]");
+
+		Map<String, Object> resultMap = new HashMap<>();
+		resultMap.put("result", "provider-demo".equalsIgnoreCase(token));
+		resultMap.put("payload", "this is payload");
+
+		LOG.info("provider-demo -- response info: [" + resultMap + "]");
+		return resultMap;
+	}
 }