1 files changed, 100 insertions, 0 deletions
diff --git a/certService/src/main/java/org/onap/aaf/certservice/api/advice/CertificationExceptionAdvice.java b/certService/src/main/java/org/onap/aaf/certservice/api/advice/CertificationExceptionAdvice.java
new file mode 100644
index 00000000..f75e93c9
--- /dev/null
+++ b/certService/src/main/java/org/onap/aaf/certservice/api/advice/CertificationExceptionAdvice.java
@@ -0,0 +1,100 @@
+/*
+ * ============LICENSE_START=======================================================
+ * PROJECT
+ * ================================================================================
+ * Copyright (C) 2020 Nokia. 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.aaf.certservice.api.advice;
+
+import org.onap.aaf.certservice.api.CertificationController;
+import org.onap.aaf.certservice.certification.exception.Cmpv2ClientAdapterException;
+import org.onap.aaf.certservice.certification.exception.Cmpv2ServerNotFoundException;
+import org.onap.aaf.certservice.certification.exception.CsrDecryptionException;
+import org.onap.aaf.certservice.certification.exception.ErrorResponseModel;
+import org.onap.aaf.certservice.certification.exception.KeyDecryptionException;
+import org.onap.aaf.certservice.cmpv2client.exceptions.CmpClientException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+@RestControllerAdvice(assignableTypes = CertificationController.class)
+public class CertificationExceptionAdvice {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(CertificationExceptionAdvice.class);
+
+    @ExceptionHandler(value = CsrDecryptionException.class)
+    public ResponseEntity<ErrorResponseModel> handle(CsrDecryptionException exception) {
+        LOGGER.error("Exception occurred during decoding certificate sign request:", exception);
+        return getErrorResponseEntity(
+                "Wrong certificate signing request (CSR) format",
+                HttpStatus.BAD_REQUEST
+        );
+    }
+
+    @ExceptionHandler(value = KeyDecryptionException.class)
+    public ResponseEntity<ErrorResponseModel> handle(KeyDecryptionException exception) {
+        LOGGER.error("Exception occurred during decoding key:", exception);
+        return getErrorResponseEntity(
+                "Wrong key (PK) format",
+                HttpStatus.BAD_REQUEST
+        );
+    }
+
+    @ExceptionHandler(value = Cmpv2ServerNotFoundException.class)
+    public ResponseEntity<ErrorResponseModel> handle(Cmpv2ServerNotFoundException exception) {
+        LOGGER.error("Exception occurred selecting CMPv2 server:", exception);
+        return getErrorResponseEntity(
+                "Certification authority not found for given CAName",
+                HttpStatus.NOT_FOUND
+        );
+    }
+
+    @ExceptionHandler(value = RuntimeException.class)
+    public ResponseEntity<ErrorResponseModel> handle(RuntimeException exception) throws CmpClientException {
+        throw new CmpClientException("Runtime exception occurred calling cmp client business logic", exception);
+    }
+
+    @ExceptionHandler(value = CmpClientException.class)
+    public ResponseEntity<ErrorResponseModel> handle(CmpClientException exception) {
+        LOGGER.error("Exception occurred calling cmp client:", exception);
+        return getErrorResponseEntity(
+                "Exception occurred during call to cmp client",
+                HttpStatus.INTERNAL_SERVER_ERROR
+        );
+    }
+
+    @ExceptionHandler(value = Cmpv2ClientAdapterException.class)
+    public ResponseEntity<ErrorResponseModel> handle(Cmpv2ClientAdapterException exception) {
+        LOGGER.error("Exception occurred parsing cmp client response:", exception);
+        return getErrorResponseEntity(
+                "Exception occurred parsing cmp client response",
+                HttpStatus.INTERNAL_SERVER_ERROR
+        );
+    }
+
+    private ResponseEntity<ErrorResponseModel> getErrorResponseEntity(String errorMessage, HttpStatus status) {
+        ErrorResponseModel errorResponse = new ErrorResponseModel(errorMessage);
+        return new ResponseEntity<>(
+               errorResponse,
+                status
+        );
+    }
+
+}