[TECHDEBT] Align CPS NCMP REST API Specification

- Updated ncmp.yml to align implementation with specification
- Added new Exception classes to differentiate between server NCMP
  issues and client based NCMP issues
- Added 500 error to specification
- To be merged after https://gerrit.onap.org/r/c/cps/+/126848
- Added excpetion handlers for SerNcmpException & DmiRequestException

Issue-ID: CPS-823
Signed-off-by: JosephKeenan <joseph.keenan@est.tech>
Change-Id: If1c9c6c29c6ea2daa07753d7f766ef15c1ba4ca0

6 files changed, 88 insertions, 13 deletions

diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImpl.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImpl.java
index 82145efc3d..6a156b8972 100755
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImpl.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImpl.java
@@ -39,7 +39,7 @@ import org.onap.cps.api.CpsAdminService;
 import org.onap.cps.api.CpsDataService;
 import org.onap.cps.api.CpsModuleService;
 import org.onap.cps.ncmp.api.NetworkCmProxyDataService;
-import org.onap.cps.ncmp.api.impl.exception.NcmpException;
+import org.onap.cps.ncmp.api.impl.exception.ServerNcmpException;
 import org.onap.cps.ncmp.api.impl.operations.DmiDataOperations;
 import org.onap.cps.ncmp.api.impl.operations.DmiModelOperations;
 import org.onap.cps.ncmp.api.impl.operations.DmiOperations;
@@ -170,7 +170,7 @@ public class NetworkCmProxyDataServiceImpl implements NetworkCmProxyDataService
         if (responseEntity.getStatusCode().is2xxSuccessful()) {
             return responseEntity.getBody();
         } else {
-            throw new NcmpException(exceptionMessage,
+            throw new ServerNcmpException(exceptionMessage,
                     "DMI status code: " + responseEntity.getStatusCodeValue()
                             + ", DMI response body: " + responseEntity.getBody());
         }
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/exception/DmiRequestException.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/exception/DmiRequestException.java
new file mode 100644
index 0000000000..d41ca70bca
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/exception/DmiRequestException.java
@@ -0,0 +1,37 @@
+/*
+ *  ============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.ncmp.api.impl.exception;
+
+/**
+ * Client Based Network CM Proxy exception.
+ */
+public class DmiRequestException extends NcmpException {
+
+    /**
+     * Constructor.
+     *
+     * @param message the error message
+     * @param details the error details
+     */
+    public DmiRequestException(final String message, final String details) {
+        super(message, details);
+    }
+}
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/exception/ServerNcmpException.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/exception/ServerNcmpException.java
new file mode 100644
index 0000000000..a03a2d3e6c
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/exception/ServerNcmpException.java
@@ -0,0 +1,37 @@
+/*
+ *  ============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.ncmp.api.impl.exception;
+
+/**
+ * Server Based Network CM Proxy exception.
+ */
+public class ServerNcmpException extends NcmpException {
+
+    /**
+     * Constructor.
+     *
+     * @param message the error message
+     * @param details the error details
+     */
+    public ServerNcmpException(final String message, final String details) {
+        super(message, details);
+    }
+}
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/models/DmiPluginRegistration.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/models/DmiPluginRegistration.java
index 9faf7331e7..f1b3888c6e 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/models/DmiPluginRegistration.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/models/DmiPluginRegistration.java
@@ -1,6 +1,6 @@
 /*
  *  ============LICENSE_START=======================================================
- *  Copyright (C) 2021 Nordix Foundation
+ *  Copyright (C) 2021-2022 Nordix Foundation
  *  ================================================================================
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -28,6 +28,7 @@ import com.google.common.base.Strings;
 import java.util.List;
 import lombok.Getter;
 import lombok.Setter;
+import org.onap.cps.ncmp.api.impl.exception.DmiRequestException;
 import org.onap.cps.ncmp.api.impl.exception.NcmpException;
 
 /**
@@ -80,7 +81,7 @@ public class DmiPluginRegistration {
         }
 
         if (errorMessage != null) {
-            throw new NcmpException(errorMessage, "Please supply correct plugin information.");
+            throw new DmiRequestException(errorMessage, "Please supply correct plugin information.");
         }
     }
 
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImplRegistrationSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImplRegistrationSpec.groovy
index 3ec6f3a00d..9f1203d64d 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImplRegistrationSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImplRegistrationSpec.groovy
@@ -25,6 +25,7 @@ import com.fasterxml.jackson.databind.ObjectMapper
 import org.onap.cps.api.CpsAdminService
 import org.onap.cps.api.CpsDataService
 import org.onap.cps.api.CpsModuleService
+import org.onap.cps.ncmp.api.impl.exception.DmiRequestException
 import org.onap.cps.ncmp.api.impl.exception.NcmpException
 import org.onap.cps.ncmp.api.impl.operations.DmiDataOperations
 import org.onap.cps.ncmp.api.impl.operations.DmiModelOperations
@@ -176,8 +177,8 @@ class NetworkCmProxyDataServiceImplRegistrationSpec extends Specification {
             dmiPluginRegistration.createdCmHandles = [persistenceCmHandle]
         when: 'registration is called with incorrect DMI plugin information'
             objectUnderTest.updateDmiRegistrationAndSyncModule(dmiPluginRegistration)
-        then: 'an NcmpException is thrown with correct message details'
-            def exceptionThrown = thrown(NcmpException)
+        then: 'a DMI Request Exception is thrown with correct message details'
+            def exceptionThrown = thrown(DmiRequestException.class)
             assert exceptionThrown.getMessage().contains(expectedMessageDetails)
         and: 'registration is not called'
             0 * objectUnderTest.parseAndCreateCmHandlesInDmiRegistrationAndSyncModules(dmiPluginRegistration)
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImplSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImplSpec.groovy
index 7f127003d2..9c79d4fcf1 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImplSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImplSpec.groovy
@@ -35,7 +35,7 @@ import com.fasterxml.jackson.databind.ObjectMapper
 import org.onap.cps.api.CpsAdminService
 import org.onap.cps.api.CpsDataService
 import org.onap.cps.api.CpsModuleService
-import org.onap.cps.ncmp.api.impl.exception.NcmpException
+import org.onap.cps.ncmp.api.impl.exception.ServerNcmpException
 import org.onap.cps.ncmp.api.impl.operations.DmiDataOperations
 import org.onap.cps.spi.FetchDescendantsOption
 import org.onap.cps.spi.model.DataNode
@@ -88,12 +88,11 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
                 'testResourceId', CREATE,
                 '{some-json}', 'application/json')
         then: 'exception is thrown'
-            def exceptionThrown = thrown(NcmpException.class)
+            def exceptionThrown = thrown(ServerNcmpException.class)
         and: 'details contains (not found) error code: 404'
             exceptionThrown.details.contains('404')
     }
 
-
     def 'Get resource data for pass-through operational from DMI.'() {
         given: 'get data node is called'
             mockCpsDataService.getDataNode('NCMP-Admin', 'ncmp-dmi-registry',
@@ -129,7 +128,7 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
                 'testAcceptParam',
                 '(a=1,b=2)')
         then: 'exception is thrown with the expected details'
-            def exceptionThrown = thrown(NcmpException.class)
+            def exceptionThrown = thrown(ServerNcmpException.class)
             exceptionThrown.details == 'DMI status code: 404, DMI response body: NOK-json'
     }
 
@@ -150,7 +149,7 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
                 'testAcceptParam',
                 '(a=1,b=2)')
         then: 'exception is thrown'
-            def exceptionThrown = thrown(NcmpException.class)
+            def exceptionThrown = thrown(ServerNcmpException.class)
         and: 'details contains the original response'
             exceptionThrown.details.contains('NOK-json')
     }
@@ -191,7 +190,7 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
                 'testAcceptParam',
                 '(a=1,b=2)')
         then: 'exception is thrown'
-            def exceptionThrown = thrown(NcmpException.class)
+            def exceptionThrown = thrown(ServerNcmpException.class)
         and: 'details contains the original response'
             exceptionThrown.details.contains('NOK-json')
     }
@@ -236,7 +235,7 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
                 '{some-json}',
                 'application/json')
         then: 'an exception is thrown with the expected error message detailsd with correct operation'
-            def exceptionThrown = thrown(NcmpException.class)
+            def exceptionThrown = thrown(ServerNcmpException.class)
             exceptionThrown.getMessage().contains(expectedResponseMessage)
         where:
             scenario | givenOperation || expectedResponseMessage