NONRTRIC PMS using authorization token

Added support for PMS sending an authorization token in each REST call(in the HTTP header).
The token is read from a file.

Issue-ID: CCSDK-3560
Signed-off-by: PatrikBuhr <patrik.buhr@est.tech>
Change-Id: I92229f67d2c1486530f3c6ebb22f60bd3b359676

20 files changed, 207 insertions, 94 deletions

diff --git a/a1-policy-management/config/application.yaml b/a1-policy-management/config/application.yaml
index 5684c463..7628624d 100644
--- a/a1-policy-management/config/application.yaml
+++ b/a1-policy-management/config/application.yaml
@@ -42,7 +42,7 @@ logging:
     org.springframework.data: ERROR
     org.springframework.web.reactive.function.client.ExchangeFunctions: ERROR
     org.onap.ccsdk.oran.a1policymanagementservice: INFO
-    # org.onap.ccsdk.oran.a1policymanagementservice.tasks: TRACE  
+    # org.onap.ccsdk.oran.a1policymanagementservice.tasks: TRACE
   file:
     name: /var/log/policy-agent/application.log
 server:
@@ -74,7 +74,10 @@ app:
     http.proxy-type: HTTP
   # path where the service can store data
   vardata-directory: /var/policy-management-service
-  # the config-file-schema-path referres to a location in the jar file. If this property is empty or missing, 
-  # no schema validation will be executed. 
+  # the config-file-schema-path referres to a location in the jar file. If this property is empty or missing,
+  # no schema validation will be executed.
   config-file-schema-path: /application_configuration_schema.json
+  # A file containing an authorization token, which shall be inserted in each HTTP header (authorization).
+  # If the file name is empty, no authorization token is sent.
+  auth-token-file:
 
diff --git a/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/BeanFactory.java b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/BeanFactory.java
index 93fd2f77..bf161954 100644
--- a/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/BeanFactory.java
+++ b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/BeanFactory.java
@@ -24,6 +24,7 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 
 import org.apache.catalina.connector.Connector;
 import org.onap.ccsdk.oran.a1policymanagementservice.clients.A1ClientFactory;
+import org.onap.ccsdk.oran.a1policymanagementservice.clients.SecurityContext;
 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig;
 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Rics;
 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Services;
@@ -56,8 +57,9 @@ public class BeanFactory {
     }
 
     @Bean
-    public A1ClientFactory getA1ClientFactory(@Autowired ApplicationConfig applicationConfig) {
-        return new A1ClientFactory(applicationConfig);
+    public A1ClientFactory getA1ClientFactory(@Autowired ApplicationConfig applicationConfig,
+            @Autowired SecurityContext securityContext) {
+        return new A1ClientFactory(applicationConfig, securityContext);
     }
 
     @Bean
diff --git a/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/A1ClientFactory.java b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/A1ClientFactory.java
index 642385aa..1d465c3a 100644
--- a/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/A1ClientFactory.java
+++ b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/A1ClientFactory.java
@@ -43,9 +43,9 @@ public class A1ClientFactory {
     private final AsyncRestClientFactory restClientFactory;
 
     @Autowired
-    public A1ClientFactory(ApplicationConfig appConfig) {
+    public A1ClientFactory(ApplicationConfig appConfig, SecurityContext securityContext) {
         this.appConfig = appConfig;
-        this.restClientFactory = new AsyncRestClientFactory(appConfig.getWebClientConfig());
+        this.restClientFactory = new AsyncRestClientFactory(appConfig.getWebClientConfig(), securityContext);
     }
 
     /**
diff --git a/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/AsyncRestClient.java b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/AsyncRestClient.java
index 3461876d..959d85e2 100644
--- a/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/AsyncRestClient.java
+++ b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/AsyncRestClient.java
@@ -2,7 +2,7 @@
  * ========================LICENSE_START=================================
  * ONAP : ccsdk oran
  * ======================================================================
- * Copyright (C) 2019-2020 Nordix Foundation. All rights reserved.
+ * Copyright (C) 2019-2022 Nordix Foundation. All rights reserved.
  * ======================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -35,13 +35,14 @@ import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.http.client.reactive.ReactorClientHttpConnector;
 import org.springframework.lang.Nullable;
+import org.springframework.web.reactive.function.client.ExchangeFilterFunction;
 import org.springframework.web.reactive.function.client.ExchangeStrategies;
 import org.springframework.web.reactive.function.client.WebClient;
 import org.springframework.web.reactive.function.client.WebClient.RequestHeadersSpec;
-import org.springframework.web.reactive.function.client.WebClientResponseException;
 
 import reactor.core.publisher.Mono;
 import reactor.netty.http.client.HttpClient;
+import reactor.netty.transport.ProxyProvider;
 
 /**
  * Generic reactive REST client.
@@ -54,17 +55,17 @@ public class AsyncRestClient {
     private static final AtomicInteger sequenceNumber = new AtomicInteger();
     private final SslContext sslContext;
     private final HttpProxyConfig httpProxyConfig;
+    private final SecurityContext securityContext;
 
-    public AsyncRestClient(String baseUrl, @Nullable SslContext sslContext, @Nullable HttpProxyConfig httpProxyConfig) {
+    public AsyncRestClient(String baseUrl, @Nullable SslContext sslContext, @Nullable HttpProxyConfig httpProxyConfig,
+            SecurityContext securityContext) {
         this.baseUrl = baseUrl;
         this.sslContext = sslContext;
         this.httpProxyConfig = httpProxyConfig;
+        this.securityContext = securityContext;
     }
 
     public Mono<ResponseEntity<String>> postForEntity(String uri, @Nullable String body) {
-        Object traceTag = createTraceTag();
-        logger.debug("{} POST uri = '{}{}'", traceTag, baseUrl, uri);
-        logger.trace("{} POST body: {}", traceTag, body);
         Mono<String> bodyProducer = body != null ? Mono.just(body) : Mono.empty();
 
         RequestHeadersSpec<?> request = getWebClient() //
@@ -72,7 +73,7 @@ public class AsyncRestClient {
                 .uri(uri) //
                 .contentType(MediaType.APPLICATION_JSON) //
                 .body(bodyProducer, String.class);
-        return retrieve(traceTag, request);
+        return retrieve(request);
     }
 
     public Mono<String> post(String uri, @Nullable String body) {
@@ -81,41 +82,30 @@ public class AsyncRestClient {
     }
 
     public Mono<String> postWithAuthHeader(String uri, String body, String username, String password) {
-        Object traceTag = createTraceTag();
-        logger.debug("{} POST (auth) uri = '{}{}'", traceTag, baseUrl, uri);
-        logger.trace("{} POST body: {}", traceTag, body);
-
         RequestHeadersSpec<?> request = getWebClient() //
                 .post() //
                 .uri(uri) //
                 .headers(headers -> headers.setBasicAuth(username, password)) //
                 .contentType(MediaType.APPLICATION_JSON) //
                 .bodyValue(body);
-        return retrieve(traceTag, request) //
+        return retrieve(request) //
                 .map(this::toBody);
     }
 
     public Mono<ResponseEntity<String>> putForEntity(String uri, String body) {
-        Object traceTag = createTraceTag();
-        logger.debug("{} PUT uri = '{}{}'", traceTag, baseUrl, uri);
-        logger.trace("{} PUT body: {}", traceTag, body);
-
         RequestHeadersSpec<?> request = getWebClient() //
                 .put() //
                 .uri(uri) //
                 .contentType(MediaType.APPLICATION_JSON) //
                 .bodyValue(body);
-        return retrieve(traceTag, request);
+        return retrieve(request);
     }
 
     public Mono<ResponseEntity<String>> putForEntity(String uri) {
-        Object traceTag = createTraceTag();
-        logger.debug("{} PUT uri = '{}{}'", traceTag, baseUrl, uri);
-        logger.trace("{} PUT body: <empty>", traceTag);
         RequestHeadersSpec<?> request = getWebClient() //
                 .put() //
                 .uri(uri);
-        return retrieve(traceTag, request);
+        return retrieve(request);
     }
 
     public Mono<String> put(String uri, String body) {
@@ -124,12 +114,8 @@ public class AsyncRestClient {
     }
 
     public Mono<ResponseEntity<String>> getForEntity(String uri) {
-        Object traceTag = createTraceTag();
-        logger.debug("{} GET uri = '{}{}'", traceTag, baseUrl, uri);
-        RequestHeadersSpec<?> request = getWebClient() //
-                .get() //
-                .uri(uri);
-        return retrieve(traceTag, request);
+        RequestHeadersSpec<?> request = getWebClient().get().uri(uri);
+        return retrieve(request);
     }
 
     public Mono<String> get(String uri) {
@@ -138,12 +124,8 @@ public class AsyncRestClient {
     }
 
     public Mono<ResponseEntity<String>> deleteForEntity(String uri) {
-        Object traceTag = createTraceTag();
-        logger.debug("{} DELETE uri = '{}{}'", traceTag, baseUrl, uri);
-        RequestHeadersSpec<?> request = getWebClient() //
-                .delete() //
-                .uri(uri);
-        return retrieve(traceTag, request);
+        RequestHeadersSpec<?> request = getWebClient().delete().uri(uri);
+        return retrieve(request);
     }
 
     public Mono<String> delete(String uri) {
@@ -151,32 +133,18 @@ public class AsyncRestClient {
                 .map(this::toBody);
     }
 
-    private Mono<ResponseEntity<String>> retrieve(Object traceTag, RequestHeadersSpec<?> request) {
-        final Class<String> clazz = String.class;
+    private Mono<ResponseEntity<String>> retrieve(RequestHeadersSpec<?> request) {
+        if (securityContext.isConfigured()) {
+            request.headers(h -> h.setBearerAuth(securityContext.getBearerAuthToken()));
+        }
         return request.retrieve() //
-                .toEntity(clazz) //
-                .doOnNext(entity -> logReceivedData(traceTag, entity)) //
-                .doOnError(throwable -> onHttpError(traceTag, throwable));
-    }
-
-    private void logReceivedData(Object traceTag, ResponseEntity<String> entity) {
-        logger.trace("{} Received: {} {}", traceTag, entity.getBody(), entity.getHeaders().getContentType());
+                .toEntity(String.class);
     }
 
     private static Object createTraceTag() {
         return sequenceNumber.incrementAndGet();
     }
 
-    private void onHttpError(Object traceTag, Throwable t) {
-        if (t instanceof WebClientResponseException) {
-            WebClientResponseException exception = (WebClientResponseException) t;
-            logger.debug("{} HTTP error status = '{}', body '{}'", traceTag, exception.getStatusCode(),
-                    exception.getResponseBodyAsString());
-        } else {
-            logger.debug("{} HTTP error {}", traceTag, t.getMessage());
-        }
-    }
-
     private String toBody(ResponseEntity<String> entity) {
         if (entity.getBody() == null) {
             return "";
@@ -203,22 +171,36 @@ public class AsyncRestClient {
         }
 
         if (isHttpProxyConfigured()) {
-            httpClient = httpClient.proxy(proxy -> proxy.type(httpProxyConfig.httpProxyType()) //
-                    .host(httpProxyConfig.httpProxyHost()) //
-                    .port(httpProxyConfig.httpProxyPort()));
+            httpClient = httpClient.proxy(proxy -> proxy.type(ProxyProvider.Proxy.HTTP)
+                    .host(httpProxyConfig.httpProxyHost()).port(httpProxyConfig.httpProxyPort()));
         }
         return httpClient;
     }
 
-    private WebClient buildWebClient(String baseUrl) {
+    public WebClient buildWebClient(String baseUrl) {
+        Object traceTag = createTraceTag();
+
         final HttpClient httpClient = buildHttpClient();
         ExchangeStrategies exchangeStrategies = ExchangeStrategies.builder() //
                 .codecs(configurer -> configurer.defaultCodecs().maxInMemorySize(-1)) //
                 .build();
+
+        ExchangeFilterFunction reqLogger = ExchangeFilterFunction.ofRequestProcessor(req -> {
+            logger.debug("{} {} uri = '{}''", traceTag, req.method(), req.url());
+            return Mono.just(req);
+        });
+
+        ExchangeFilterFunction respLogger = ExchangeFilterFunction.ofResponseProcessor(resp -> {
+            logger.debug("{} resp: {}", traceTag, resp.statusCode());
+            return Mono.just(resp);
+        });
+
         return WebClient.builder() //
                 .clientConnector(new ReactorClientHttpConnector(httpClient)) //
                 .baseUrl(baseUrl) //
                 .exchangeStrategies(exchangeStrategies) //
+                .filter(reqLogger) //
+                .filter(respLogger) //
                 .build();
     }
 
diff --git a/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/AsyncRestClientFactory.java b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/AsyncRestClientFactory.java
index cde6647a..844db540 100644
--- a/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/AsyncRestClientFactory.java
+++ b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/AsyncRestClientFactory.java
@@ -2,7 +2,7 @@
  * ========================LICENSE_START=================================
  * ONAP : ccsdk oran
  * ======================================================================
- * Copyright (C) 2019-2020 Nordix Foundation. All rights reserved.
+ * Copyright (C) 2019-2022 Nordix Foundation. All rights reserved.
  * ======================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -50,14 +50,14 @@ import org.springframework.util.ResourceUtils;
 /**
  * Factory for a generic reactive REST client.
  */
-@SuppressWarnings("squid:S2629") // Invoke method(s) only conditionally
 public class AsyncRestClientFactory {
     private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
 
     private final SslContextFactory sslContextFactory;
     private final HttpProxyConfig httpProxyConfig;
+    private final SecurityContext securityContext;
 
-    public AsyncRestClientFactory(WebClientConfig clientConfig) {
+    public AsyncRestClientFactory(WebClientConfig clientConfig, SecurityContext securityContext) {
         if (clientConfig != null) {
             this.sslContextFactory = new CachingSslContextFactory(clientConfig);
             this.httpProxyConfig = clientConfig.httpProxyConfig();
@@ -66,6 +66,7 @@ public class AsyncRestClientFactory {
             this.sslContextFactory = null;
             this.httpProxyConfig = null;
         }
+        this.securityContext = securityContext;
     }
 
     public AsyncRestClient createRestClientNoHttpProxy(String baseUrl) {
@@ -80,13 +81,13 @@ public class AsyncRestClientFactory {
         if (this.sslContextFactory != null) {
             try {
                 return new AsyncRestClient(baseUrl, this.sslContextFactory.createSslContext(),
-                        useHttpProxy ? httpProxyConfig : null);
+                        useHttpProxy ? httpProxyConfig : null, this.securityContext);
             } catch (Exception e) {
                 String exceptionString = e.toString();
                 logger.error("Could not init SSL context, reason: {}", exceptionString);
             }
         }
-        return new AsyncRestClient(baseUrl, null, httpProxyConfig);
+        return new AsyncRestClient(baseUrl, null, httpProxyConfig, this.securityContext);
     }
 
     private class SslContextFactory {
diff --git a/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/SecurityContext.java b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/SecurityContext.java
new file mode 100644
index 00000000..3566aada
--- /dev/null
+++ b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/SecurityContext.java
@@ -0,0 +1,76 @@
+/*-
+ * ========================LICENSE_START=================================
+ * ONAP : ccsdk oran
+ * ======================================================================
+ * Copyright (C) 2019-2022 Nordix Foundation. All rights reserved.
+ * ======================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ========================LICENSE_END===================================
+ */
+
+package org.onap.ccsdk.oran.a1policymanagementservice.clients;
+
+import java.lang.invoke.MethodHandles;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+import lombok.Setter;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.stereotype.Component;
+
+@EnableConfigurationProperties
+@ConfigurationProperties()
+@Component
+public class SecurityContext {
+
+    private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+
+    private long tokenTimestamp = 0;
+
+    private String authToken = "";
+
+    @Setter
+    private Path authTokenFilePath;
+
+    public SecurityContext(@Value("${app.auth-token-file:\"\"}") String authTokenFilename) {
+        if (!authTokenFilename.isEmpty()) {
+            this.authTokenFilePath = Path.of(authTokenFilename);
+        }
+    }
+
+    public boolean isConfigured() {
+        return authTokenFilePath != null;
+    }
+
+    public synchronized String getBearerAuthToken() {
+        if (!isConfigured()) {
+            return "";
+        }
+        try {
+            long lastModified = authTokenFilePath.toFile().lastModified();
+            if (lastModified != this.tokenTimestamp) {
+                this.authToken = Files.readString(authTokenFilePath);
+                this.tokenTimestamp = lastModified;
+            }
+        } catch (Exception e) {
+            logger.warn("Could not read auth token file: {}, reason: {}", authTokenFilePath, e.getMessage());
+        }
+        return this.authToken;
+    }
+
+}
diff --git a/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/dmaap/DmaapMessageConsumer.java b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/dmaap/DmaapMessageConsumer.java
index bc67e663..1224d00b 100644
--- a/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/dmaap/DmaapMessageConsumer.java
+++ b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/dmaap/DmaapMessageConsumer.java
@@ -32,6 +32,7 @@ import java.util.List;
 
 import org.onap.ccsdk.oran.a1policymanagementservice.clients.AsyncRestClient;
 import org.onap.ccsdk.oran.a1policymanagementservice.clients.AsyncRestClientFactory;
+import org.onap.ccsdk.oran.a1policymanagementservice.clients.SecurityContext;
 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -109,11 +110,11 @@ public class DmaapMessageConsumer {
     }
 
     @Autowired
-    public DmaapMessageConsumer(ApplicationConfig applicationConfig) {
+    public DmaapMessageConsumer(ApplicationConfig applicationConfig, SecurityContext securityContext) {
         this.applicationConfig = applicationConfig;
         GsonBuilder gsonBuilder = new GsonBuilder();
         this.gson = gsonBuilder.create();
-        this.restClientFactory = new AsyncRestClientFactory(applicationConfig.getWebClientConfig());
+        this.restClientFactory = new AsyncRestClientFactory(applicationConfig.getWebClientConfig(), securityContext);
     }
 
     /**
diff --git a/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshConfigTask.java b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshConfigTask.java
index 651ba5ed..e3d489b5 100644
--- a/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshConfigTask.java
+++ b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshConfigTask.java
@@ -31,6 +31,7 @@ import lombok.Getter;
 
 import org.onap.ccsdk.oran.a1policymanagementservice.clients.A1ClientFactory;
 import org.onap.ccsdk.oran.a1policymanagementservice.clients.AsyncRestClientFactory;
+import org.onap.ccsdk.oran.a1policymanagementservice.clients.SecurityContext;
 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig;
 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig.RicConfigUpdate;
 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfigParser;
@@ -88,7 +89,8 @@ public class RefreshConfigTask {
 
     @Autowired
     public RefreshConfigTask(ConfigurationFile configurationFile, ApplicationConfig appConfig, Rics rics,
-            Policies policies, Services services, PolicyTypes policyTypes, A1ClientFactory a1ClientFactory) {
+            Policies policies, Services services, PolicyTypes policyTypes, A1ClientFactory a1ClientFactory,
+            SecurityContext securityContext) {
         this.configurationFile = configurationFile;
         this.appConfig = appConfig;
         this.rics = rics;
@@ -96,7 +98,7 @@ public class RefreshConfigTask {
         this.services = services;
         this.policyTypes = policyTypes;
         this.a1ClientFactory = a1ClientFactory;
-        this.restClientFactory = new AsyncRestClientFactory(appConfig.getWebClientConfig());
+        this.restClientFactory = new AsyncRestClientFactory(appConfig.getWebClientConfig(), securityContext);
     }
 
     public void start() {
@@ -171,7 +173,7 @@ public class RefreshConfigTask {
     /**
      * for an added RIC after a restart it is nesessary to get the suypported policy
      * types from the RIC unless a full synchronization is wanted.
-     * 
+     *
      * @param ric the ric to get supprted types from
      * @return the same ric
      */
diff --git a/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RicSupervision.java b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RicSupervision.java
index 2c037838..8926ec16 100644
--- a/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RicSupervision.java
+++ b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RicSupervision.java
@@ -25,6 +25,7 @@ import java.util.Collection;
 import org.onap.ccsdk.oran.a1policymanagementservice.clients.A1Client;
 import org.onap.ccsdk.oran.a1policymanagementservice.clients.A1ClientFactory;
 import org.onap.ccsdk.oran.a1policymanagementservice.clients.AsyncRestClientFactory;
+import org.onap.ccsdk.oran.a1policymanagementservice.clients.SecurityContext;
 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig;
 import org.onap.ccsdk.oran.a1policymanagementservice.exceptions.ServiceException;
 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Lock.LockType;
@@ -87,13 +88,13 @@ public class RicSupervision {
 
     @Autowired
     public RicSupervision(Rics rics, Policies policies, A1ClientFactory a1ClientFactory, PolicyTypes policyTypes,
-            Services services, ApplicationConfig config) {
+            Services services, ApplicationConfig config, SecurityContext securityContext) {
         this.rics = rics;
         this.policies = policies;
         this.a1ClientFactory = a1ClientFactory;
         this.policyTypes = policyTypes;
         this.services = services;
-        this.restClientFactory = new AsyncRestClientFactory(config.getWebClientConfig());
+        this.restClientFactory = new AsyncRestClientFactory(config.getWebClientConfig(), securityContext);
     }
 
     /**
diff --git a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/A1ClientFactoryTest.java b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/A1ClientFactoryTest.java
index 3ca35430..645f2353 100644
--- a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/A1ClientFactoryTest.java
+++ b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/A1ClientFactoryTest.java
@@ -79,7 +79,8 @@ class A1ClientFactoryTest {
 
     @BeforeEach
     void createFactoryUnderTest() {
-        factoryUnderTest = spy(new A1ClientFactory(applicationConfigMock));
+        SecurityContext sec = new SecurityContext("");
+        factoryUnderTest = spy(new A1ClientFactory(applicationConfigMock, sec));
         this.ric = new Ric(ricConfig(""));
 
     }
diff --git a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/AsyncRestClientTest.java b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/AsyncRestClientTest.java
index 2e583f65..69a74b67 100644
--- a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/AsyncRestClientTest.java
+++ b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/AsyncRestClientTest.java
@@ -58,7 +58,8 @@ class AsyncRestClientTest {
         InternalLoggerFactory.setDefaultFactory(JdkLoggerFactory.INSTANCE);
         Loggers.useJdkLoggers();
         mockWebServer = new MockWebServer();
-        clientUnderTest = new AsyncRestClient(mockWebServer.url(BASE_URL).toString(), null, null);
+        clientUnderTest =
+                new AsyncRestClient(mockWebServer.url(BASE_URL).toString(), null, null, new SecurityContext(""));
     }
 
     @AfterAll
diff --git a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/CcsdkA1AdapterClientTest.java b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/CcsdkA1AdapterClientTest.java
index ced739ad..f49020ee 100644
--- a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/CcsdkA1AdapterClientTest.java
+++ b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/clients/CcsdkA1AdapterClientTest.java
@@ -84,7 +84,7 @@ class CcsdkA1AdapterClientTest {
 
     @Test
     void createClientWithWrongProtocol_thenErrorIsThrown() {
-        AsyncRestClient asyncRestClient = new AsyncRestClient("", null, null);
+        AsyncRestClient asyncRestClient = new AsyncRestClient("", null, null, new SecurityContext(""));
         assertThrows(IllegalArgumentException.class, () -> {
             new CcsdkA1AdapterClient(A1ProtocolType.STD_V1_1, null, null, asyncRestClient);
         });
diff --git a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/controllers/v2/ApplicationTest.java b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/controllers/v2/ApplicationTest.java
index 75215613..569cb577 100644
--- a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/controllers/v2/ApplicationTest.java
+++ b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/controllers/v2/ApplicationTest.java
@@ -2,7 +2,7 @@
  * ========================LICENSE_START=================================
  * ONAP : ccsdk oran
  * ======================================================================
- * Copyright (C) 2019-2020 Nordix Foundation. All rights reserved.
+ * Copyright (C) 2019-2022 Nordix Foundation. All rights reserved.
  * ======================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -35,6 +35,7 @@ import java.io.IOException;
 import java.io.PrintStream;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
+import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.time.Duration;
 import java.time.Instant;
@@ -49,6 +50,7 @@ import org.junit.jupiter.api.extension.ExtendWith;
 import org.onap.ccsdk.oran.a1policymanagementservice.clients.A1ClientFactory;
 import org.onap.ccsdk.oran.a1policymanagementservice.clients.AsyncRestClient;
 import org.onap.ccsdk.oran.a1policymanagementservice.clients.AsyncRestClientFactory;
+import org.onap.ccsdk.oran.a1policymanagementservice.clients.SecurityContext;
 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig;
 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig.RicConfigUpdate;
 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ImmutableRicConfig;
@@ -100,6 +102,7 @@ import reactor.util.annotation.Nullable;
 @TestPropertySource(properties = { //
         "server.ssl.key-store=./src/test/resources/keystore.jks", //
         "app.webclient.trust-store=./src/test/resources/truststore.jks", //
+        "app.webclient.trust-store-used=true", //
         "app.vardata-directory=./target/testdata", //
         "app.filepath=" //
 })
@@ -136,6 +139,9 @@ class ApplicationTest {
     @Autowired
     RefreshConfigTask refreshConfigTask;
 
+    @Autowired
+    SecurityContext securityContext;
+
     private static Gson gson = new GsonBuilder().create();
 
     /**
@@ -174,6 +180,7 @@ class ApplicationTest {
         a1ClientFactory.reset();
         this.rAppSimulator.getTestResults().clear();
         this.a1ClientFactory.setPolicyTypes(policyTypes); // Default same types in RIC and in this app
+        this.securityContext.setAuthTokenFilePath(null);
     }
 
     @AfterEach
@@ -831,7 +838,13 @@ class ApplicationTest {
     }
 
     @Test
-    void testServiceNotification() throws ServiceException {
+    void testServiceNotification() throws Exception {
+
+        final String AUTH_TOKEN = "testToken";
+        Path authFile = Files.createTempFile("pmsTestAuthToken", ".txt");
+        Files.write(authFile, AUTH_TOKEN.getBytes());
+        this.securityContext.setAuthTokenFilePath(authFile);
+
         putService("junkService");
         Service junkService = this.services.get("junkService");
         junkService.setCallbackUrl("https://junk");
@@ -847,6 +860,11 @@ class ApplicationTest {
         ServiceCallbackInfo callbackInfo = receivedCallbacks.getReceivedInfo().get(0);
         assertThat(callbackInfo.ricId).isEqualTo("ric1");
         assertThat(callbackInfo.eventType).isEqualTo(ServiceCallbackInfo.EventType.AVAILABLE);
+
+        var headers = receivedCallbacks.receivedHeaders.get(0);
+        assertThat(headers).containsEntry("authorization", "Bearer " + AUTH_TOKEN);
+
+        Files.delete(authFile);
     }
 
     private Policy addPolicy(String id, String typeName, String service, String ric) throws ServiceException {
@@ -941,7 +959,7 @@ class ApplicationTest {
                 .httpProxyConfig(config.httpProxyConfig()) //
                 .build();
 
-        AsyncRestClientFactory f = new AsyncRestClientFactory(config);
+        AsyncRestClientFactory f = new AsyncRestClientFactory(config, new SecurityContext(""));
         return f.createRestClientNoHttpProxy(baseUrl);
 
     }
diff --git a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/controllers/v2/ConfigurationControllerTest.java b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/controllers/v2/ConfigurationControllerTest.java
index d1c36e62..d500ba3e 100644
--- a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/controllers/v2/ConfigurationControllerTest.java
+++ b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/controllers/v2/ConfigurationControllerTest.java
@@ -34,6 +34,7 @@ import org.junit.jupiter.api.extension.ExtendWith;
 import org.junit.jupiter.api.io.TempDir;
 import org.onap.ccsdk.oran.a1policymanagementservice.clients.AsyncRestClient;
 import org.onap.ccsdk.oran.a1policymanagementservice.clients.AsyncRestClientFactory;
+import org.onap.ccsdk.oran.a1policymanagementservice.clients.SecurityContext;
 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig;
 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ImmutableWebClientConfig;
 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.WebClientConfig;
@@ -176,7 +177,7 @@ class ConfigurationControllerTest {
                 .httpProxyConfig(config.httpProxyConfig()) //
                 .build();
 
-        AsyncRestClientFactory f = new AsyncRestClientFactory(config);
+        AsyncRestClientFactory f = new AsyncRestClientFactory(config, new SecurityContext(""));
         return f.createRestClientNoHttpProxy("https://localhost:" + port);
 
     }
diff --git a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/controllers/v2/RappSimulatorController.java b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/controllers/v2/RappSimulatorController.java
index 1fa51246..d9c724fc 100644
--- a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/controllers/v2/RappSimulatorController.java
+++ b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/controllers/v2/RappSimulatorController.java
@@ -31,6 +31,10 @@ import io.swagger.v3.oas.annotations.responses.ApiResponses;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
 import java.lang.invoke.MethodHandles;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
 import java.util.Vector;
 
 import lombok.Getter;
@@ -44,6 +48,7 @@ import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestHeader;
 import org.springframework.web.bind.annotation.RestController;
 
 @RestController("RappCallbacksController")
@@ -61,8 +66,12 @@ public class RappSimulatorController {
         @Getter
         private Vector<ServiceCallbackInfo> receivedInfo = new Vector<>();
 
+        public List<Map<String, String>> receivedHeaders =
+                Collections.synchronizedList(new ArrayList<Map<String, String>>());
+
         public void clear() {
             receivedInfo.clear();
+            receivedHeaders.clear();
         }
     }
 
@@ -79,10 +88,18 @@ public class RappSimulatorController {
     )
 
     public ResponseEntity<Object> serviceCallback( //
-            @RequestBody ServiceCallbackInfo body) {
+            @RequestBody ServiceCallbackInfo body, @RequestHeader Map<String, String> headers) {
+        logHeaders(headers);
         logger.info("R-App callback body: {}", gson.toJson(body));
+        this.testResults.receivedHeaders.add(headers);
         this.testResults.receivedInfo.add(body);
         return new ResponseEntity<>(HttpStatus.OK);
     }
 
+    private void logHeaders(Map<String, String> headers) {
+        logger.debug("Header begin");
+        headers.forEach((key, value) -> logger.debug("  key: {}, value: {}", key, value));
+        logger.debug("Header end");
+    }
+
 }
diff --git a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/dmaap/DmaapMessageConsumerTest.java b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/dmaap/DmaapMessageConsumerTest.java
index 3b810ad6..08491207 100644
--- a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/dmaap/DmaapMessageConsumerTest.java
+++ b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/dmaap/DmaapMessageConsumerTest.java
@@ -43,6 +43,7 @@ import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.Mock;
 import org.mockito.junit.jupiter.MockitoExtension;
 import org.onap.ccsdk.oran.a1policymanagementservice.clients.AsyncRestClient;
+import org.onap.ccsdk.oran.a1policymanagementservice.clients.SecurityContext;
 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig;
 import org.onap.ccsdk.oran.a1policymanagementservice.dmaap.DmaapRequestMessage.Operation;
 import org.onap.ccsdk.oran.a1policymanagementservice.exceptions.ServiceException;
@@ -84,7 +85,7 @@ class DmaapMessageConsumerTest {
 
     @Test
     void successfulCase_dmaapNotConfigured_thenSleepAndRetryUntilConfig() throws Exception {
-        messageConsumerUnderTest = spy(new DmaapMessageConsumer(applicationConfigMock));
+        messageConsumerUnderTest = spy(new DmaapMessageConsumer(applicationConfigMock, new SecurityContext("")));
 
         setTaskNumberOfLoops(3);
         disableTaskDelay();
@@ -104,7 +105,7 @@ class DmaapMessageConsumerTest {
 
     @Test
     void returnErrorFromDmapp_thenSleepAndRetry() throws Exception {
-        messageConsumerUnderTest = spy(new DmaapMessageConsumer(applicationConfigMock));
+        messageConsumerUnderTest = spy(new DmaapMessageConsumer(applicationConfigMock, new SecurityContext("")));
 
         setTaskNumberOfLoops(2);
         disableTaskDelay();
@@ -129,7 +130,7 @@ class DmaapMessageConsumerTest {
 
     @Test
     void unParsableMessage_thenSendResponseAndContinue() throws Exception {
-        messageConsumerUnderTest = spy(new DmaapMessageConsumer(applicationConfigMock));
+        messageConsumerUnderTest = spy(new DmaapMessageConsumer(applicationConfigMock, new SecurityContext("")));
         setTaskNumberOfLoops(2);
         setUpMrConfig();
 
@@ -157,7 +158,7 @@ class DmaapMessageConsumerTest {
 
     @Test
     void testMessageParsing() throws ServiceException {
-        messageConsumerUnderTest = new DmaapMessageConsumer(applicationConfigMock);
+        messageConsumerUnderTest = new DmaapMessageConsumer(applicationConfigMock, new SecurityContext(""));
         String json = gson.toJson(dmaapRequestMessage());
         {
             String jsonArrayOfObject = jsonArray(json);
diff --git a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshConfigTaskTest.java b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshConfigTaskTest.java
index 1b1dad5c..f09bd05d 100644
--- a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshConfigTaskTest.java
+++ b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshConfigTaskTest.java
@@ -49,6 +49,7 @@ import org.mockito.Mock;
 import org.mockito.Spy;
 import org.mockito.junit.jupiter.MockitoExtension;
 import org.onap.ccsdk.oran.a1policymanagementservice.clients.A1ClientFactory;
+import org.onap.ccsdk.oran.a1policymanagementservice.clients.SecurityContext;
 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig;
 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig.RicConfigUpdate.Type;
 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfigParser;
@@ -89,9 +90,10 @@ class RefreshConfigTaskTest {
 
     private RefreshConfigTask createTestObject(boolean configFileExists, Rics rics, Policies policies,
             boolean stubConfigFileExists) {
-
-        RefreshConfigTask obj = spy(new RefreshConfigTask(configurationFileMock, appConfig, rics, policies,
-                new Services(appConfig), new PolicyTypes(appConfig), new A1ClientFactory(appConfig)));
+        SecurityContext secContext = new SecurityContext("");
+        RefreshConfigTask obj =
+                spy(new RefreshConfigTask(configurationFileMock, appConfig, rics, policies, new Services(appConfig),
+                        new PolicyTypes(appConfig), new A1ClientFactory(appConfig, secContext), secContext));
         if (stubConfigFileExists) {
             when(configurationFileMock.readFile()).thenReturn(Optional.empty());
             doReturn(123L).when(configurationFileMock).getLastModified();
diff --git a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RicSupervisionTest.java b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RicSupervisionTest.java
index f6c93b95..b76131df 100644
--- a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RicSupervisionTest.java
+++ b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RicSupervisionTest.java
@@ -43,6 +43,7 @@ import org.mockito.Mock;
 import org.mockito.junit.jupiter.MockitoExtension;
 import org.onap.ccsdk.oran.a1policymanagementservice.clients.A1Client;
 import org.onap.ccsdk.oran.a1policymanagementservice.clients.A1ClientFactory;
+import org.onap.ccsdk.oran.a1policymanagementservice.clients.SecurityContext;
 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig;
 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ImmutableRicConfig;
 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Lock;
@@ -335,6 +336,6 @@ class RicSupervisionTest {
 
     private RicSupervision createRicSupervision() {
         ApplicationConfig config = new ApplicationConfig();
-        return new RicSupervision(rics, policies, a1ClientFactory, types, null, config);
+        return new RicSupervision(rics, policies, a1ClientFactory, types, null, config, new SecurityContext(""));
     }
 }
diff --git a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RicSynchronizationTaskTest.java b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RicSynchronizationTaskTest.java
index 9dddcedb..a5795ac9 100644
--- a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RicSynchronizationTaskTest.java
+++ b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RicSynchronizationTaskTest.java
@@ -44,6 +44,7 @@ import org.mockito.junit.jupiter.MockitoExtension;
 import org.onap.ccsdk.oran.a1policymanagementservice.clients.A1Client;
 import org.onap.ccsdk.oran.a1policymanagementservice.clients.A1ClientFactory;
 import org.onap.ccsdk.oran.a1policymanagementservice.clients.AsyncRestClientFactory;
+import org.onap.ccsdk.oran.a1policymanagementservice.clients.SecurityContext;
 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig;
 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ImmutableRicConfig;
 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Policies;
@@ -121,7 +122,8 @@ class RicSynchronizationTaskTest {
 
     private RicSynchronizationTask createTask() {
         ApplicationConfig config = new ApplicationConfig();
-        AsyncRestClientFactory restClientFactory = new AsyncRestClientFactory(config.getWebClientConfig());
+        AsyncRestClientFactory restClientFactory =
+                new AsyncRestClientFactory(config.getWebClientConfig(), new SecurityContext(""));
         return new RicSynchronizationTask(a1ClientFactoryMock, policyTypes, policies, services, restClientFactory,
                 rics);
     };
diff --git a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/utils/MockA1ClientFactory.java b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/utils/MockA1ClientFactory.java
index 05df70ac..22f534cf 100644
--- a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/utils/MockA1ClientFactory.java
+++ b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/utils/MockA1ClientFactory.java
@@ -29,6 +29,7 @@ import java.util.Map;
 
 import org.onap.ccsdk.oran.a1policymanagementservice.clients.A1Client;
 import org.onap.ccsdk.oran.a1policymanagementservice.clients.A1ClientFactory;
+import org.onap.ccsdk.oran.a1policymanagementservice.clients.SecurityContext;
 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig;
 import org.onap.ccsdk.oran.a1policymanagementservice.repository.PolicyTypes;
 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Ric;
@@ -44,7 +45,7 @@ public class MockA1ClientFactory extends A1ClientFactory {
     private final ApplicationConfig appConfig;
 
     public MockA1ClientFactory(ApplicationConfig config, PolicyTypes policyTypes) {
-        super(config);
+        super(config, new SecurityContext(""));
         this.policyTypes = policyTypes;
         this.appConfig = config;
     }
@@ -70,7 +71,7 @@ public class MockA1ClientFactory extends A1ClientFactory {
     /**
      * Simulate network latency. The REST responses will be generated by separate
      * threads
-     * 
+     *
      * @param delay the delay between the request and the response
      */
     public void setResponseDelay(Duration delay) {