Upgrade log4j to 2.13.1 and add log4j api 2.13.1.

Issue-ID: OPTFRA-752
Signed-off-by: Maciej Malewski <maciej.malewski@nokia.com>
Change-Id: Ib39de5e892f00c07c812a8dc8d3ac7d1fca009cf

6 files changed, 25 insertions, 123 deletions

diff --git a/cmso-optimizer/src/main/java/org/onap/optf/cmso/optimizer/common/LogMessages.java b/cmso-optimizer/src/main/java/org/onap/optf/cmso/optimizer/common/LogMessages.java
index e6aa29e..faba1df 100644
--- a/cmso-optimizer/src/main/java/org/onap/optf/cmso/optimizer/common/LogMessages.java
+++ b/cmso-optimizer/src/main/java/org/onap/optf/cmso/optimizer/common/LogMessages.java
@@ -34,8 +34,8 @@ import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Paths;
 import javax.ws.rs.core.Response.Status;
-import org.apache.log4j.Level;
-import org.onap.optf.cmso.optimizer.observations.ObservationInterface;
+import org.apache.logging.log4j.Level;
+import org.onap.observations.ObservationInterface;
 
 /**
  * The Enum LogMessages.
diff --git a/cmso-optimizer/src/main/java/org/onap/optf/cmso/optimizer/exceptions/CmsoException.java b/cmso-optimizer/src/main/java/org/onap/optf/cmso/optimizer/exceptions/CmsoException.java
index f780390..d2d1cc7 100644
--- a/cmso-optimizer/src/main/java/org/onap/optf/cmso/optimizer/exceptions/CmsoException.java
+++ b/cmso-optimizer/src/main/java/org/onap/optf/cmso/optimizer/exceptions/CmsoException.java
@@ -30,8 +30,8 @@ import com.att.eelf.i18n.EELFResourceManager;
 import java.util.ArrayList;
 import java.util.List;
 import javax.ws.rs.core.Response.Status;
+import org.onap.observations.ObservationInterface;
 import org.onap.optf.cmso.optimizer.common.CmsoRequestError;
-import org.onap.optf.cmso.optimizer.observations.ObservationInterface;
 
 /**
  * The Class CMSException.
diff --git a/cmso-optimizer/src/main/java/org/onap/optf/cmso/optimizer/observations/Mdc.java b/cmso-optimizer/src/main/java/org/onap/optf/cmso/optimizer/observations/Mdc.java
index 66834fa..e994d18 100644
--- a/cmso-optimizer/src/main/java/org/onap/optf/cmso/optimizer/observations/Mdc.java
+++ b/cmso-optimizer/src/main/java/org/onap/optf/cmso/optimizer/observations/Mdc.java
@@ -38,10 +38,9 @@ import static com.att.eelf.configuration.Configuration.MDC_TARGET_ENTITY;
 import static com.att.eelf.configuration.Configuration.MDC_TARGET_SERVICE_NAME;
 
 import com.att.eelf.utils.Stopwatch;
-import java.net.URI;
-import java.util.Date;
-import java.util.Map;
-import java.util.UUID;
+import org.onap.observations.ObservationInterface;
+import org.onap.optf.cmso.optimizer.observations.MessageHeaders.HeadersEnum;
+import org.slf4j.MDC;
 import javax.servlet.http.HttpServletRequest;
 import javax.ws.rs.client.ClientRequestContext;
 import javax.ws.rs.client.ClientResponseContext;
@@ -49,8 +48,10 @@ import javax.ws.rs.container.ContainerRequestContext;
 import javax.ws.rs.container.ContainerResponseContext;
 import javax.ws.rs.core.MultivaluedMap;
 import javax.ws.rs.core.Response.StatusType;
-import org.onap.optf.cmso.optimizer.observations.MessageHeaders.HeadersEnum;
-import org.slf4j.MDC;
+import java.net.URI;
+import java.util.Date;
+import java.util.Map;
+import java.util.UUID;
 
 /**
  * EELF logging MDC fields not defined in the MDC Configuration (i.e. MDC_ALERT_SEVERITY)
diff --git a/cmso-optimizer/src/main/java/org/onap/optf/cmso/optimizer/observations/Observation.java b/cmso-optimizer/src/main/java/org/onap/optf/cmso/optimizer/observations/Observation.java
index cb36e40..baedf3a 100644
--- a/cmso-optimizer/src/main/java/org/onap/optf/cmso/optimizer/observations/Observation.java
+++ b/cmso-optimizer/src/main/java/org/onap/optf/cmso/optimizer/observations/Observation.java
@@ -1,5 +1,6 @@
 /*
  * Copyright © 2019 AT&T Intellectual Property.
+ * Modified 2020 Nokia.
  *
  * 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
@@ -28,10 +29,10 @@ package org.onap.optf.cmso.optimizer.observations;
 
 import com.att.eelf.configuration.EELFLogger;
 import com.att.eelf.configuration.EELFManager;
-import org.apache.log4j.Level;
+import org.onap.logger.Logger;
+import org.onap.observations.ObservationInterface;
 import org.onap.optf.cmso.optimizer.Application;
 
-
 /**
  * The Class Observation.
  */
@@ -42,88 +43,36 @@ public class Observation {
     private static EELFLogger errors = EELFManager.getInstance().getErrorLogger();
     private static EELFLogger debug = EELFManager.getInstance().getDebugLogger();
 
+    private static Logger logger = new Logger(log, metrics, audit, errors, debug);
+
+
     /**
      * Report.
      *
-     * @param obs the o
-     * @param execpt the e
+     * @param obs       the o
+     * @param except    the e
      * @param arguments the arguments
      */
     // *************************************************************************************************
-    public static void report(ObservationInterface obs, Exception execpt, String... arguments) {
+    public static void report(ObservationInterface obs, Exception except, String... arguments) {
         Mdc.setCaller(4);
         Mdc.setObservation(obs);
-        if (obs.getAudit()) {
-            audit.info(obs, execpt, arguments);
-        }
-        if (obs.getMetric()) {
-            metrics.info(obs, execpt, arguments);
-        }
-        Level lev = obs.getLevel();
-        switch (lev.toInt()) {
-            case Level.WARN_INT:
-                errors.warn(obs, arguments);
-                debug.debug(obs, execpt, arguments);
-                break;
-            case Level.INFO_INT:
-                log.info(obs, execpt, arguments);
-                debug.debug(obs, execpt, arguments);
-                break;
-            case Level.ERROR_INT:
-                errors.error(obs, arguments);
-                debug.debug(obs, execpt, arguments);
-                break;
-            case Level.TRACE_INT:
-                debug.trace(obs, execpt, arguments);
-                break;
-            case Level.DEBUG_INT:
-                debug.debug(obs, execpt, arguments);
-                break;
-            default:
-                log.info(obs, execpt, arguments);
-        }
+        logger.report(obs, except, arguments);
         Mdc.clearCaller();
     }
 
     /**
      * Report.
      *
-     * @param obs the o
+     * @param obs       the o
      * @param arguments the arguments
      */
     public static void report(ObservationInterface obs, String... arguments) {
         Mdc.setCaller(4);
         Mdc.setObservation(obs);
-        if (obs.getAudit()) {
-            audit.info(obs, arguments);
-        }
-        if (obs.getMetric()) {
-            metrics.info(obs, arguments);
-        }
-        Level levl = obs.getLevel();
-        switch (levl.toInt()) {
-            case Level.WARN_INT:
-                errors.warn(obs, arguments);
-                debug.debug(obs, arguments);
-                break;
-            case Level.INFO_INT:
-                log.info(obs, arguments);
-                debug.debug(obs, arguments);
-                break;
-            case Level.ERROR_INT:
-                errors.error(obs, arguments);
-                debug.debug(obs, arguments);
-                break;
-            case Level.TRACE_INT:
-                debug.debug(obs, arguments);
-                break;
-            case Level.DEBUG_INT:
-                debug.debug(obs, arguments);
-                break;
-            default:
-                log.info(obs, arguments);
-        }
+        logger.report(obs, arguments);
         Mdc.clearCaller();
     }
 
+
 }
diff --git a/cmso-optimizer/src/main/java/org/onap/optf/cmso/optimizer/observations/ObservationInterface.java b/cmso-optimizer/src/main/java/org/onap/optf/cmso/optimizer/observations/ObservationInterface.java
deleted file mode 100644
index 2b4ff58..0000000
--- a/cmso-optimizer/src/main/java/org/onap/optf/cmso/optimizer/observations/ObservationInterface.java
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Copyright © 2019 AT&T Intellectual Property.
- *
- * 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.
- *
- *
- * Unless otherwise specified, all documentation contained herein is licensed under the Creative
- * Commons License, Attribution 4.0 Intl. (the "License"); you may not use this documentation except
- * in compliance with the License. You may obtain a copy of the License at
- *
- * https://creativecommons.org/licenses/by/4.0/
- *
- * Unless required by applicable law or agreed to in writing, documentation 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.
- */
-
-package org.onap.optf.cmso.optimizer.observations;
-
-import com.att.eelf.i18n.EELFResolvableErrorEnum;
-import javax.ws.rs.core.Response.Status;
-import org.apache.log4j.Level;
-
-public interface ObservationInterface extends EELFResolvableErrorEnum {
-    public Enum<?> getValue();
-
-    public Level getLevel();
-
-    public String getMessage();
-
-    public Status getStatus();
-
-    public String getDomain();
-
-    public String name();
-
-    public Boolean getAudit();
-
-    public Boolean getMetric();
-}
diff --git a/cmso-optimizer/src/main/java/org/onap/optf/cmso/optimizer/observations/ObservationObject.java b/cmso-optimizer/src/main/java/org/onap/optf/cmso/optimizer/observations/ObservationObject.java
index 60ba2a1..7d8ee69 100644
--- a/cmso-optimizer/src/main/java/org/onap/optf/cmso/optimizer/observations/ObservationObject.java
+++ b/cmso-optimizer/src/main/java/org/onap/optf/cmso/optimizer/observations/ObservationObject.java
@@ -28,8 +28,9 @@ package org.onap.optf.cmso.optimizer.observations;
 
 import com.att.eelf.i18n.EELFResolvableErrorEnum;
 import com.att.eelf.i18n.EELFResourceManager;
+import org.apache.logging.log4j.Level;
+import org.onap.observations.ObservationInterface;
 import javax.ws.rs.core.Response.Status;
-import org.apache.log4j.Level;
 
 
 /**