1 files changed, 68 insertions, 0 deletions
diff --git a/certService/src/main/java/org/onap/aaf/certservice/certification/configuration/validation/Cmpv2ServersConfigurationValidator.java b/certService/src/main/java/org/onap/aaf/certservice/certification/configuration/validation/Cmpv2ServersConfigurationValidator.java
new file mode 100644
index 00000000..3cf7fdf7
--- /dev/null
+++ b/certService/src/main/java/org/onap/aaf/certservice/certification/configuration/validation/Cmpv2ServersConfigurationValidator.java
@@ -0,0 +1,68 @@
+/*
+ * ============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.certification.configuration.validation;
+
+import org.onap.aaf.certservice.certification.configuration.model.Cmpv2Server;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import javax.validation.ConstraintViolation;
+import javax.validation.Validator;
+import java.security.InvalidParameterException;
+import java.util.List;
+import java.util.Set;
+
+@Service
+public class Cmpv2ServersConfigurationValidator {
+
+    private final Validator validator;
+
+    @Autowired
+    public Cmpv2ServersConfigurationValidator(Validator validator) {
+        this.validator = validator;
+    }
+
+    public void validate(List<Cmpv2Server> servers) {
+        servers.forEach(this::validateServer);
+        validateUniqueCaNames(servers);
+    }
+
+    private void validateServer(Cmpv2Server serverDetails) {
+        Set<ConstraintViolation<Cmpv2Server>> violations = validator.validate(serverDetails);
+        if (!violations.isEmpty()) {
+            throw new InvalidParameterException(violations.toString());
+        }
+    }
+
+    private void validateUniqueCaNames(List<Cmpv2Server> servers) {
+        long distinctCAs = getNumberOfUniqueCaNames(servers);
+        if (servers.size() != distinctCAs) {
+            throw new InvalidParameterException("CA names are not unique within given CMPv2 servers");
+        }
+    }
+
+    private long getNumberOfUniqueCaNames(List<Cmpv2Server> servers) {
+        return servers.stream().map(Cmpv2Server::getCaName)
+                .distinct()
+                .count();
+    }
+
+}