1 files changed, 83 insertions, 0 deletions
diff --git a/reference/logging-filter/logging-filter-base/src/main/java/org/onap/logging/filter/base/AbstractAuditLogFilter.java b/reference/logging-filter/logging-filter-base/src/main/java/org/onap/logging/filter/base/AbstractAuditLogFilter.java
new file mode 100644
index 0000000..71d4e31
--- /dev/null
+++ b/reference/logging-filter/logging-filter-base/src/main/java/org/onap/logging/filter/base/AbstractAuditLogFilter.java
@@ -0,0 +1,83 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - Logging
+ * ================================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. 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.logging.filter.base;
+
+import javax.servlet.http.HttpServletRequest;
+import org.onap.logging.ref.slf4j.ONAPLogConstants;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.slf4j.MDC;
+
+public abstract class AbstractAuditLogFilter<GenericRequest, GenericResponse> {
+    protected static final Logger logger = LoggerFactory.getLogger(AbstractAuditLogFilter.class);
+
+    protected void pre(MDCSetup mdcSetup, SimpleMap headers, GenericRequest request,
+            HttpServletRequest httpServletRequest) {
+        try {
+            String requestId = mdcSetup.getRequestId(headers);
+            MDC.put(ONAPLogConstants.MDCs.REQUEST_ID, requestId);
+            mdcSetup.setInvocationId(headers);
+            setServiceName(request);
+            mdcSetup.setMDCPartnerName(headers);
+            mdcSetup.setServerFQDN();
+            mdcSetup.setClientIPAddress(httpServletRequest);
+            mdcSetup.setInstanceID();
+            mdcSetup.setEntryTimeStamp();
+            MDC.put(ONAPLogConstants.MDCs.RESPONSE_STATUS_CODE, ONAPLogConstants.ResponseStatus.INPROGRESS.toString());
+            additionalPreHandling(request);
+            mdcSetup.setLogTimestamp();
+            mdcSetup.setElapsedTime();
+            logger.info(ONAPLogConstants.Markers.ENTRY, "Entering");
+        } catch (Exception e) {
+            logger.warn("Error in AbstractInboundFilter pre", e);
+        }
+    }
+
+    protected void post(MDCSetup mdcSetup, GenericResponse response) {
+        try {
+            int responseCode = getResponseCode(response);
+            mdcSetup.setResponseStatusCode(responseCode);
+            MDC.put(ONAPLogConstants.MDCs.RESPONSE_CODE, String.valueOf(responseCode));
+            mdcSetup.setResponseDescription(responseCode);
+            mdcSetup.setLogTimestamp();
+            mdcSetup.setElapsedTime();
+            logger.info(ONAPLogConstants.Markers.EXIT, "Exiting.");
+            additionalPostHandling(response);
+        } catch (Exception e) {
+            logger.warn("Error in AbstractInboundFilter post", e);
+        } finally {
+            MDC.clear();
+        }
+    }
+
+    protected abstract int getResponseCode(GenericResponse response);
+
+    protected abstract void setServiceName(GenericRequest request);
+
+    protected void additionalPreHandling(GenericRequest request) {
+        // override to add additional pre handling
+    }
+
+    protected void additionalPostHandling(GenericResponse response) {
+        // override to add additional post handling
+    }
+
+}