[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

1 files changed, 9 insertions, 2 deletions

diff --git a/cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/exceptions/NetworkCmProxyRestExceptionHandler.java b/cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/exceptions/NetworkCmProxyRestExceptionHandler.java
index ce9dd5a02..8c6f9f1d7 100755
--- a/cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/exceptions/NetworkCmProxyRestExceptionHandler.java
+++ b/cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/exceptions/NetworkCmProxyRestExceptionHandler.java
@@ -21,7 +21,9 @@
 package org.onap.cps.ncmp.rest.exceptions;
 
 import lombok.extern.slf4j.Slf4j;
+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.exception.ServerNcmpException;
 import org.onap.cps.ncmp.rest.controller.NetworkCmProxyController;
 import org.onap.cps.ncmp.rest.model.ErrorMessage;
 import org.onap.cps.spi.exceptions.CpsException;
@@ -56,11 +58,16 @@ public class NetworkCmProxyRestExceptionHandler {
         return buildErrorResponse(HttpStatus.INTERNAL_SERVER_ERROR, exception);
     }
 
-    @ExceptionHandler({NcmpException.class})
-    public static ResponseEntity<Object> handleNcmpExceptions(final NcmpException exception) {
+    @ExceptionHandler({ServerNcmpException.class})
+    public static ResponseEntity<Object> handleServerNcmpExceptions(final ServerNcmpException exception) {
         return buildErrorResponse(HttpStatus.INTERNAL_SERVER_ERROR, exception);
     }
 
+    @ExceptionHandler({DmiRequestException.class})
+    public static ResponseEntity<Object> handleDmiRequestExceptions(final DmiRequestException exception) {
+        return buildErrorResponse(HttpStatus.BAD_REQUEST, exception);
+    }
+
     private static ResponseEntity<Object> buildErrorResponse(final HttpStatus status, final Exception exception) {
         if (exception.getCause() != null || !(exception instanceof CpsException)) {
             log.error("Exception occurred", exception);