Improve logging in NCMP

[cps.git] / cps-service / src / main / java / org / onap / cps / aop / CpsLoggingAspectService.java

diff --git a/cps-service/src/main/java/org/onap/cps/aop/CpsLoggingAspectService.java b/cps-service/src/main/java/org/onap/cps/aop/CpsLoggingAspectService.java
new file mode 100644 (file)
index 0000000..20c6af6
--- /dev/null
+++ b/cps-service/src/main/java/org/onap/cps/aop/CpsLoggingAspectService.java
@@ -0,0 +1,69 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2022 Nordix Foundation
+ *  ================================================================================
+ *  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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.onap.cps.aop;
+
+import java.util.Arrays;
+import java.util.Optional;
+import lombok.SneakyThrows;
+import lombok.extern.slf4j.Slf4j;
+import org.aspectj.lang.ProceedingJoinPoint;
+import org.aspectj.lang.annotation.Around;
+import org.aspectj.lang.annotation.Aspect;
+import org.aspectj.lang.reflect.MethodSignature;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
+import org.springframework.stereotype.Component;
+import org.springframework.util.StopWatch;
+
+@Aspect
+@Component
+@Slf4j
+@ConditionalOnExpression(
+        "'${logging.level.org.onap.cps}'.equalsIgnoreCase('DEBUG')"
+)
+public class CpsLoggingAspectService {
+
+    private static final String ALL_CPS_METHODS = "execution(* org.onap.cps..*(..)))";
+
+    /**
+     * To measure method execution time as a logging.
+     * @param proceedingJoinPoint exposes the proceed(..) method in order to support around advice.
+     * @return empty in case of void otherwise an object of return type
+     */
+    @Around(ALL_CPS_METHODS)
+    @SneakyThrows
+    public Object logMethodExecutionTime(final ProceedingJoinPoint proceedingJoinPoint) {
+        final StopWatch stopWatch = new StopWatch();
+
+        //Calculate method execution time
+        stopWatch.start();
+        final Object logObject = Optional.ofNullable(proceedingJoinPoint.proceed()).orElse("");
+        stopWatch.stop();
+        final MethodSignature methodSignature = (MethodSignature) proceedingJoinPoint.getSignature();
+        //Log method execution time
+        log.debug("Execution time of : {}.{}() with argument[s] = {} having result = {} :: {} ms",
+                methodSignature.getDeclaringType().getSimpleName(),
+                methodSignature.getName(), Arrays.toString(proceedingJoinPoint.getArgs()), logObject,
+                stopWatch.getTotalTimeMillis());
+
+        return logObject;
+    }
+
+}