re base code

Change-Id: I12a5ca14a6d8a87e9316b9ff362eb131105f98a5
Issue-ID: SDC-1566
Signed-off-by: Michael Lando <ml636r@att.com>

13 files changed, 77 insertions, 81 deletions

diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/util/HeatValidationService.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/util/HeatValidationService.java
index b672e7e9a5..6f647bf04b 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/util/HeatValidationService.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/util/HeatValidationService.java
@@ -17,6 +17,7 @@
 package org.openecomp.sdc.validation.impl.util;
 
 import org.apache.commons.collections4.CollectionUtils;
+import org.onap.sdc.tosca.services.YamlUtil;
 import org.openecomp.core.validation.errors.ErrorMessagesFormatBuilder;
 import org.openecomp.core.validation.types.GlobalValidationContext;
 import org.openecomp.sdc.common.errors.Messages;
@@ -29,7 +30,6 @@ import org.openecomp.sdc.heat.datatypes.model.Resource;
 import org.openecomp.sdc.heat.services.HeatStructureUtil;
 import org.openecomp.sdc.logging.api.Logger;
 import org.openecomp.sdc.logging.api.LoggerFactory;
-import org.onap.sdc.tosca.services.YamlUtil;
 import org.openecomp.sdc.validation.impl.validators.HeatValidator;
 import org.openecomp.sdc.validation.type.HeatResourceValidationContext;
 
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/ContrailValidator.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/ContrailValidator.java
index c54e0b7ed4..3feeea8c7b 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/ContrailValidator.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/ContrailValidator.java
@@ -17,6 +17,7 @@
 package org.openecomp.sdc.validation.impl.validators;
 
 import org.apache.commons.collections4.MapUtils;
+import org.onap.sdc.tosca.services.YamlUtil;
 import org.openecomp.core.validation.ErrorMessageCode;
 import org.openecomp.core.validation.errors.ErrorMessagesFormatBuilder;
 import org.openecomp.core.validation.types.GlobalValidationContext;
@@ -30,7 +31,6 @@ import org.openecomp.sdc.heat.services.HeatConstants;
 import org.openecomp.sdc.heat.services.manifest.ManifestUtil;
 import org.openecomp.sdc.logging.api.Logger;
 import org.openecomp.sdc.logging.api.LoggerFactory;
-import org.onap.sdc.tosca.services.YamlUtil;
 import org.openecomp.sdc.validation.Validator;
 import org.openecomp.sdc.validation.tos.ContrailResourcesMappingTo;
 import org.openecomp.sdc.validation.util.ValidationUtil;
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/ForbiddenResourceGuideLineValidator.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/ForbiddenResourceGuideLineValidator.java
index c17b3e8393..5ce9aa7aa5 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/ForbiddenResourceGuideLineValidator.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/ForbiddenResourceGuideLineValidator.java
@@ -16,11 +16,6 @@
 
 package org.openecomp.sdc.validation.impl.validators;
 
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Objects;
-import java.util.Set;
-
 import org.apache.commons.collections4.MapUtils;
 import org.openecomp.core.validation.ErrorMessageCode;
 import org.openecomp.core.validation.errors.ErrorMessagesFormatBuilder;
@@ -37,6 +32,11 @@ import org.openecomp.sdc.logging.api.LoggerFactory;
 import org.openecomp.sdc.validation.Validator;
 import org.openecomp.sdc.validation.util.ValidationUtil;
 
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Set;
+
 public class ForbiddenResourceGuideLineValidator implements Validator {
   private static Set<String> forbiddenResources = new HashSet<>();
   private static final ErrorMessageCode ERROR_CODE_FRG_1 = new ErrorMessageCode("FRG1");
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/HeatResourceValidator.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/HeatResourceValidator.java
index ddcc411a6c..e445477498 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/HeatResourceValidator.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/HeatResourceValidator.java
@@ -16,6 +16,15 @@
 
 package org.openecomp.sdc.validation.impl.validators;
 
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Set;
+
 import org.openecomp.core.validation.types.GlobalValidationContext;
 import org.openecomp.sdc.heat.datatypes.model.HeatOrchestrationTemplate;
 import org.openecomp.sdc.heat.datatypes.model.Output;
@@ -29,15 +38,6 @@ import org.openecomp.sdc.validation.base.ResourceBaseValidator;
 import org.openecomp.sdc.validation.type.ConfigConstants;
 import org.openecomp.sdc.validation.type.HeatResourceValidationContext;
 
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
-import java.util.Set;
-
 public class HeatResourceValidator extends ResourceBaseValidator {
   private static final Logger LOGGER = LoggerFactory.getLogger(ResourceBaseValidator.class);
   private static final String GET_ATTR = "get_attr";
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/HeatValidator.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/HeatValidator.java
index 961fd848aa..af3b503479 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/HeatValidator.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/HeatValidator.java
@@ -16,8 +16,18 @@
 
 package org.openecomp.sdc.validation.impl.validators;
 
+import java.io.InputStream;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+
 import org.apache.commons.collections4.CollectionUtils;
 import org.apache.commons.collections4.MapUtils;
+import org.onap.sdc.tosca.services.YamlUtil;
 import org.openecomp.core.validation.ErrorMessageCode;
 import org.openecomp.core.validation.errors.ErrorMessagesFormatBuilder;
 import org.openecomp.core.validation.types.GlobalValidationContext;
@@ -38,20 +48,10 @@ import org.openecomp.sdc.heat.services.HeatStructureUtil;
 import org.openecomp.sdc.heat.services.manifest.ManifestUtil;
 import org.openecomp.sdc.logging.api.Logger;
 import org.openecomp.sdc.logging.api.LoggerFactory;
-import org.onap.sdc.tosca.services.YamlUtil;
 import org.openecomp.sdc.validation.Validator;
 import org.openecomp.sdc.validation.impl.util.HeatValidationService;
 import org.openecomp.sdc.validation.util.ValidationUtil;
 
-import java.io.InputStream;
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
-import java.util.Optional;
-import java.util.Set;
-
 public class HeatValidator implements Validator {
   private static final Logger LOGGER = LoggerFactory.getLogger(HeatValidator.class);
   private static final ErrorMessageCode ERROR_CODE_HOT_1 = new ErrorMessageCode("HOT1");
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/ManifestValidator.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/ManifestValidator.java
index 27acaafb5b..675aa8adaf 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/ManifestValidator.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/ManifestValidator.java
@@ -16,11 +16,6 @@
 
 package org.openecomp.sdc.validation.impl.validators;
 
-import java.io.InputStream;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Optional;
-
 import org.openecomp.core.utilities.json.JsonUtil;
 import org.openecomp.core.validation.ErrorMessageCode;
 import org.openecomp.core.validation.errors.ErrorMessagesFormatBuilder;
@@ -34,6 +29,11 @@ import org.openecomp.sdc.logging.api.Logger;
 import org.openecomp.sdc.logging.api.LoggerFactory;
 import org.openecomp.sdc.validation.Validator;
 
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+
 public class ManifestValidator implements Validator {
   private static final Logger LOGGER = LoggerFactory.getLogger(YamlValidator.class);
   private static final ErrorMessageCode ERROR_CODE_MNF_1 = new ErrorMessageCode("MNF1");
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/YamlValidator.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/YamlValidator.java
index 273e523f1d..fba39e063e 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/YamlValidator.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/YamlValidator.java
@@ -16,12 +16,12 @@
 
 package org.openecomp.sdc.validation.impl.validators;
 
+import org.onap.sdc.tosca.services.YamlUtil;
 import org.openecomp.core.validation.ErrorMessageCode;
 import org.openecomp.core.validation.errors.ErrorMessagesFormatBuilder;
 import org.openecomp.core.validation.types.GlobalValidationContext;
 import org.openecomp.sdc.common.errors.Messages;
 import org.openecomp.sdc.datatypes.error.ErrorLevel;
-import org.onap.sdc.tosca.services.YamlUtil;
 import org.openecomp.sdc.validation.Validator;
 import org.openecomp.sdc.validation.impl.util.YamlValidatorUtil;
 
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/heatresource/NestedResourceValidator.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/heatresource/NestedResourceValidator.java
index da6f201de6..4a5a996777 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/heatresource/NestedResourceValidator.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/heatresource/NestedResourceValidator.java
@@ -16,6 +16,13 @@
 
 package org.openecomp.sdc.validation.impl.validators.heatresource;
 
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+
 import org.apache.commons.collections4.CollectionUtils;
 import org.openecomp.core.validation.ErrorMessageCode;
 import org.openecomp.core.validation.errors.ErrorMessagesFormatBuilder;
@@ -27,13 +34,6 @@ import org.openecomp.sdc.validation.ResourceValidator;
 import org.openecomp.sdc.validation.ValidationContext;
 import org.openecomp.sdc.validation.impl.util.HeatValidationService;
 
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
-import java.util.Set;
-
 /**
  * Created by TALIO on 2/22/2017.
  */
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/heatresource/NeutronPortResourceValidator.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/heatresource/NeutronPortResourceValidator.java
index ac1d8e62ed..b11a287a41 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/heatresource/NeutronPortResourceValidator.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/heatresource/NeutronPortResourceValidator.java
@@ -16,6 +16,13 @@
 
 package org.openecomp.sdc.validation.impl.validators.heatresource;
 
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Set;
+
 import org.apache.commons.collections4.CollectionUtils;
 import org.apache.commons.collections4.MapUtils;
 import org.openecomp.core.validation.ErrorMessageCode;
@@ -31,13 +38,6 @@ import org.openecomp.sdc.validation.ResourceValidator;
 import org.openecomp.sdc.validation.ValidationContext;
 import org.openecomp.sdc.validation.type.HeatResourceValidationContext;
 
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
-import java.util.Set;
-
 public class NeutronPortResourceValidator implements ResourceValidator {
   private static final ErrorMessageCode ERROR_HPRODE_HPR1 = new ErrorMessageCode("HPR1");
   private static final ErrorMessageCode ERROR_HPRODE_HPR2 = new ErrorMessageCode("HPR2");
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/heatresource/NovaServerResourceValidator.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/heatresource/NovaServerResourceValidator.java
index 4f4091f506..d261c8e9eb 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/heatresource/NovaServerResourceValidator.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/heatresource/NovaServerResourceValidator.java
@@ -22,11 +22,7 @@ import org.openecomp.core.validation.errors.ErrorMessagesFormatBuilder;
 import org.openecomp.core.validation.types.GlobalValidationContext;
 import org.openecomp.sdc.common.errors.Messages;
 import org.openecomp.sdc.datatypes.error.ErrorLevel;
-import org.openecomp.sdc.heat.datatypes.model.HeatOrchestrationTemplate;
-import org.openecomp.sdc.heat.datatypes.model.HeatResourcesTypes;
-import org.openecomp.sdc.heat.datatypes.model.PropertiesMapKeyTypes;
-import org.openecomp.sdc.heat.datatypes.model.Resource;
-import org.openecomp.sdc.heat.datatypes.model.ResourceReferenceFunctions;
+import org.openecomp.sdc.heat.datatypes.model.*;
 import org.openecomp.sdc.validation.ResourceValidator;
 import org.openecomp.sdc.validation.ValidationContext;
 import org.openecomp.sdc.validation.type.HeatResourceValidationContext;
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/heatresource/ResourceGroupResourceValidator.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/heatresource/ResourceGroupResourceValidator.java
index 5efb5d38e0..be0d1e2f88 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/heatresource/ResourceGroupResourceValidator.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/heatresource/ResourceGroupResourceValidator.java
@@ -16,6 +16,14 @@
 
 package org.openecomp.sdc.validation.impl.validators.heatresource;
 
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+
 import org.apache.commons.collections4.CollectionUtils;
 import org.openecomp.core.validation.ErrorMessageCode;
 import org.openecomp.core.validation.errors.ErrorMessagesFormatBuilder;
@@ -29,14 +37,6 @@ import org.openecomp.sdc.validation.ResourceValidator;
 import org.openecomp.sdc.validation.ValidationContext;
 import org.openecomp.sdc.validation.impl.util.HeatValidationService;
 
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
-import java.util.Optional;
-import java.util.Set;
-
 /**
  * Created by TALIO on 2/22/2017.
  */
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/namingconvention/ContrailServiceTemplateNamingConventionValidator.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/namingconvention/ContrailServiceTemplateNamingConventionValidator.java
index d85c0c6abc..547e38f62b 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/namingconvention/ContrailServiceTemplateNamingConventionValidator.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/namingconvention/ContrailServiceTemplateNamingConventionValidator.java
@@ -16,6 +16,15 @@
 
 package org.openecomp.sdc.validation.impl.validators.namingconvention;
 
+import static java.util.Objects.nonNull;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.regex.Pattern;
+
 import org.apache.commons.collections4.CollectionUtils;
 import org.apache.commons.collections4.MapUtils;
 import org.apache.commons.lang3.tuple.ImmutablePair;
@@ -30,15 +39,6 @@ import org.openecomp.sdc.validation.ResourceValidator;
 import org.openecomp.sdc.validation.ValidationContext;
 import org.openecomp.sdc.validation.util.ValidationUtil;
 
-import java.util.Arrays;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
-import java.util.Optional;
-import java.util.regex.Pattern;
-
-import static java.util.Objects.nonNull;
-
 
 public class ContrailServiceTemplateNamingConventionValidator implements ResourceValidator {
   private static final ErrorMessageCode ERROR_CODE_NST1 = new ErrorMessageCode("NST1");
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/namingconvention/NovaServerNamingConventionGuideLineValidator.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/namingconvention/NovaServerNamingConventionGuideLineValidator.java
index 4de0f6ddbc..b2c25c2d5f 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/namingconvention/NovaServerNamingConventionGuideLineValidator.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/namingconvention/NovaServerNamingConventionGuideLineValidator.java
@@ -16,6 +16,19 @@
 
 package org.openecomp.sdc.validation.impl.validators.namingconvention;
 
+import static java.util.Objects.nonNull;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.TreeMap;
+
 import org.apache.commons.collections4.MapUtils;
 import org.apache.commons.lang3.tuple.ImmutablePair;
 import org.apache.commons.lang3.tuple.Pair;
@@ -36,19 +49,6 @@ import org.openecomp.sdc.validation.ValidationContext;
 import org.openecomp.sdc.validation.type.NamingConventionValidationContext;
 import org.openecomp.sdc.validation.util.ValidationUtil;
 
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Comparator;
-import java.util.HashMap;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
-import java.util.TreeMap;
-
-import static java.util.Objects.nonNull;
-
 public class NovaServerNamingConventionGuideLineValidator implements ResourceValidator {
   private static final String AVAILABILITY_ZONE = "availability_zone";
   private static final String SERVER = "Server";