Add implementation of stndDefined fields validation1.7.3

Added implementation of stndDefined fields from incoming events.
Validation is performed using external-schema-manager tool from DCAE SDK.
StndDefined fields schemas are stored in etc/externalRepo directory.
Additional stndDefined related properties has been added to collector.properties.
VES version has been set to 1.7.3.

Issue-ID: DCAEGEN2-2254
Signed-off-by: Edyta Krukowska <edyta.krukowska@nokia.com>
Signed-off-by: Michal Banka <michal.banka@nokia.com>
Change-Id: Iedaa3622b1d527f6794822c8867b9dfd1860bb8f

1 files changed, 83 insertions, 0 deletions

diff --git a/src/main/java/org/onap/dcae/common/validator/StndDefinedDataValidator.java b/src/main/java/org/onap/dcae/common/validator/StndDefinedDataValidator.java
new file mode 100644
index 00000000..d936f272
--- /dev/null
+++ b/src/main/java/org/onap/dcae/common/validator/StndDefinedDataValidator.java
@@ -0,0 +1,83 @@
+/*
+ * ============LICENSE_START=======================================================
+ * VES
+ * ================================================================================
+ * 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.dcae.common.validator;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.JsonNode;
+import org.json.JSONException;
+import org.onap.dcae.common.model.VesEvent;
+import org.onap.dcae.restapi.ApiException;
+import org.onap.dcae.restapi.EventValidatorException;
+import org.onap.dcaegen2.services.sdk.services.external.schema.manager.exception.IncorrectInternalFileReferenceException;
+import org.onap.dcaegen2.services.sdk.services.external.schema.manager.exception.NoLocalReferenceException;
+import org.onap.dcaegen2.services.sdk.services.external.schema.manager.service.StndDefinedValidator;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class StndDefinedDataValidator {
+
+    private static final String STND_DEFINED_DOMAIN = "stndDefined";
+
+    private final StndDefinedValidator stndDefinedValidator;
+
+    @Autowired
+    public StndDefinedDataValidator(StndDefinedValidator validator) {
+        this.stndDefinedValidator = validator;
+    }
+
+    /**
+     * Validates incoming event
+     *
+     * @param event as JsonNode
+     * @throws EventValidatorException exceptions related to failing StndDefined validation
+     */
+    public void validate(VesEvent event) throws EventValidatorException {
+        try {
+            if (shouldBeValidated(event) && !doValidation(event.asJsonNode())) {
+                throw new EventValidatorException(ApiException.STND_DEFINED_VALIDATION_FAILED);
+            }
+        } catch (JsonProcessingException ex) {
+            throw new EventValidatorException(ApiException.INVALID_JSON_INPUT);
+        }
+    }
+
+    private boolean doValidation(JsonNode event) throws EventValidatorException {
+        try {
+            return stndDefinedValidator.validate(event);
+        } catch (NoLocalReferenceException e) {
+            throw new EventValidatorException(ApiException.NO_LOCAL_SCHEMA_REFERENCE);
+        } catch (IncorrectInternalFileReferenceException e) {
+            throw new EventValidatorException(ApiException.INCORRECT_INTERNAL_FILE_REFERENCE);
+        }
+    }
+
+    private boolean shouldBeValidated(VesEvent event) {
+        boolean shouldBeValidated;
+        try {
+            shouldBeValidated = STND_DEFINED_DOMAIN.equals(event.getDomain())
+                    && !event.getSchemaReference().isEmpty();
+        } catch (JSONException e) {
+            shouldBeValidated = false;
+        }
+        return shouldBeValidated;
+    }
+}