1 files changed, 38 insertions, 0 deletions
diff --git a/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/MessageValidator.kt b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/MessageValidator.kt
new file mode 100644
index 00000000..fb949079
--- /dev/null
+++ b/sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/MessageValidator.kt
@@ -0,0 +1,38 @@
+/*
+ * ============LICENSE_START=======================================================
+ * dcaegen2-collectors-veshv
+ * ================================================================================
+ * Copyright (C) 2018 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
+ *
+ *      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.collectors.veshv.impl
+
+import org.onap.dcae.collectors.veshv.domain.headerRequiredFieldDescriptors
+import org.onap.dcae.collectors.veshv.domain.vesEventListenerVersionRegex
+import org.onap.dcae.collectors.veshv.model.VesMessage
+import org.onap.ves.VesEventOuterClass.CommonEventHeader
+
+internal object MessageValidator {
+
+    fun isValid(message: VesMessage): Boolean {
+        return allMandatoryFieldsArePresent(message.header)
+    }
+
+    private fun allMandatoryFieldsArePresent(header: CommonEventHeader) =
+            headerRequiredFieldDescriptors
+                    .all { fieldDescriptor -> header.hasField(fieldDescriptor) }
+                    .and(vesEventListenerVersionRegex.matches(header.vesEventListenerVersion))
+
+}