modify Sonar Issue

Issue-ID: VNFSDK-462

Signed-off-by: Hailong Zhang <zhanghailong22@huawei.com>
Change-Id: I010d99d82c1ac8919907cf70ea4f8893e0a4b06d

13 files changed, 133 insertions, 156 deletions

diff --git a/csarvalidation/src/main/java/org/onap/cvc/csar/CSARArchive.java b/csarvalidation/src/main/java/org/onap/cvc/csar/CSARArchive.java
index 180dadd..7311e87 100644
--- a/csarvalidation/src/main/java/org/onap/cvc/csar/CSARArchive.java
+++ b/csarvalidation/src/main/java/org/onap/cvc/csar/CSARArchive.java
@@ -98,6 +98,8 @@ public class CSARArchive implements AutoCloseable {
 
     public static final String CSAR_ARCHIVE = "CSAR Archive";
 
+    public static final String DOESS_NOT_EXIST = " does not exist";
+
     public enum Mode {
         WITH_TOSCA_META_DIR,
         WITHOUT_TOSCA_META_DIR
@@ -348,7 +350,7 @@ public class CSARArchive implements AutoCloseable {
             super(TOSCA_METADATA_TOSCA_META_ENTRY_DEFINITIONS,
                     TOSCA_METADATA_TOSCA_META,
                     lineNo,
-                    definitionYaml + " does not exist",
+                    definitionYaml + DOESS_NOT_EXIST,
                     null);
 
             this.setCode("0x0006");
@@ -360,7 +362,7 @@ public class CSARArchive implements AutoCloseable {
             super(entryManifestArgumentName,
                     TOSCA_METADATA_TOSCA_META,
                     lineNo,
-                    manifest + " does not exist",
+                    manifest + DOESS_NOT_EXIST,
                     null);
 
             this.setCode("0x0007");
@@ -372,7 +374,7 @@ public class CSARArchive implements AutoCloseable {
             super(entryChangeLogArgumentName,
                     TOSCA_METADATA_TOSCA_META,
                     lineNo,
-                    logs + " does not exist",
+                    logs + DOESS_NOT_EXIST,
                     null);
 
             this.setCode("0x0008");
@@ -396,7 +398,7 @@ public class CSARArchive implements AutoCloseable {
             super(TOSCA_METADATA_TOSCA_META_ENTRY_LICENSES,
                     TOSCA_METADATA_TOSCA_META,
                     lineNo,
-                    license + " does not exist",
+                    license + DOESS_NOT_EXIST,
                     null);
 
             this.setCode("0x000a");
@@ -408,7 +410,7 @@ public class CSARArchive implements AutoCloseable {
             super(TOSCA_METADATA_TOSCA_META_ENTRY_CERTIFICATE,
                     TOSCA_METADATA_TOSCA_META,
                     lineNo,
-                    certificate + " does not exist",
+                    certificate + DOESS_NOT_EXIST,
                     null);
 
             this.setCode("0x000b");
@@ -661,6 +663,8 @@ public class CSARArchive implements AutoCloseable {
     public static class Definition {
         private String toscaDefinitionVersion;
 
+        private Definition.Metadata metadata = new Metadata();
+
         public String getToscaDefinitionVersion() {
             return toscaDefinitionVersion;
         }
@@ -701,8 +705,6 @@ public class CSARArchive implements AutoCloseable {
             }
         }
 
-        private Definition.Metadata metadata = new Metadata();
-
         public Definition.Metadata getMetadata() {
             return metadata;
         }
@@ -1024,9 +1026,7 @@ public class CSARArchive implements AutoCloseable {
                 lineNo ++;
                 line = line.trim();
 
-                if (line.startsWith("#")) {
-                    continue;
-                } else if (line.trim().isEmpty()) {
+                if (line.startsWith("#") || line.trim().isEmpty()) {
                     continue;
                 }
 
@@ -1131,13 +1131,7 @@ public class CSARArchive implements AutoCloseable {
 
         } else {
             //definition files
-            File []files = this.tempDir.toFile().listFiles(new FilenameFilter() {
-
-                @Override
-                public boolean accept(File dir, String name) {
-                    return name.endsWith(".yaml");
-                }
-            });
+            File []files = this.tempDir.toFile().listFiles((dir, name) -> name.endsWith(".yaml"));
 
             if (files.length == 0) {
                 errors.add(
@@ -1154,13 +1148,7 @@ public class CSARArchive implements AutoCloseable {
                 this.toscaMeta.setEntryDefinitionYaml(this.definitionYamlFile.getName());
 
                 //manifest
-                files = this.tempDir.toFile().listFiles(new FilenameFilter() {
-
-                    @Override
-                    public boolean accept(File dir, String name) {
-                        return name.endsWith(".mf");
-                    }
-                });
+                files = this.tempDir.toFile().listFiles((dir, name) -> name.endsWith(".mf"));
 
                 if (files.length > 1) {
                     List<String> fileNames = new ArrayList<>();
@@ -1187,13 +1175,7 @@ public class CSARArchive implements AutoCloseable {
                 }
 
                 //certificate
-                files = this.tempDir.toFile().listFiles(new FilenameFilter() {
-
-                    @Override
-                    public boolean accept(File dir, String name) {
-                        return name.endsWith(".cert");
-                    }
-                });
+                files = this.tempDir.toFile().listFiles((dir, name) -> name.endsWith(".cert"));
 
                 if (files.length > 1) {
                     List<String> fileNames = new ArrayList<>();
diff --git a/csarvalidation/src/main/java/org/onap/cvc/csar/VTPValidateCSAR.java b/csarvalidation/src/main/java/org/onap/cvc/csar/VTPValidateCSAR.java
index a852d78..20700ac 100644
--- a/csarvalidation/src/main/java/org/onap/cvc/csar/VTPValidateCSAR.java
+++ b/csarvalidation/src/main/java/org/onap/cvc/csar/VTPValidateCSAR.java
@@ -291,7 +291,9 @@ public class VTPValidateCSAR extends OnapCommand {
         String[] enabledReqs = properties.getProperty(key, "").split(",");
         List<String> list = new ArrayList<>();
         for(String req: enabledReqs) {
-            if (!req.isEmpty()) list.add(req);
+            if (!req.isEmpty()) {
+                list.add(req);
+            }
         }
         return list;
     }
diff --git a/csarvalidation/src/main/java/org/onap/cvc/csar/cc/VTPValidateCSARBase.java b/csarvalidation/src/main/java/org/onap/cvc/csar/cc/VTPValidateCSARBase.java
index 6e67df9..3fee188 100644
--- a/csarvalidation/src/main/java/org/onap/cvc/csar/cc/VTPValidateCSARBase.java
+++ b/csarvalidation/src/main/java/org/onap/cvc/csar/cc/VTPValidateCSARBase.java
@@ -32,11 +32,13 @@ import java.util.List;
 public abstract class VTPValidateCSARBase extends OnapCommand {
     protected static final Logger LOG = LoggerFactory.getLogger(VTPValidateCSARBase.class);
 
+    protected List<CSARError> errors = new ArrayList<>();
+
     protected abstract void validateCSAR(CSARArchive csar) throws Exception;
 
     protected abstract String getVnfReqsNo();
 
-    protected List<CSARError> errors = new ArrayList<>();
+
 
     @Override
     protected void run() throws OnapCommandException {
diff --git a/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR09467.java b/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR09467.java
index 407d872..4ffe003 100644
--- a/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR09467.java
+++ b/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR09467.java
@@ -56,12 +56,12 @@ public class VTPValidateCSARR09467 extends VTPValidateCSARBase {
                 Map<String, ?> node = (Map<String, ?>) nodeO;
                 if (node.containsKey("type")) {
                     String type = (String)node.get("type");
-                    if (type.equalsIgnoreCase("tosca.nodes.nfv.VDU.Compute")) {
+                    if ("tosca.nodes.nfv.VDU.Compute".equalsIgnoreCase(type)) {
                         computeExist = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.nodes.nfv.VDU.VirtualStorage")) {
+                    if ("tosca.nodes.nfv.VDU.VirtualStorage".equalsIgnoreCase(type)) {
                         storageExist = true;
 
                     }
diff --git a/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR32155.java b/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR32155.java
index c5f6319..12fcf28 100644
--- a/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR32155.java
+++ b/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR32155.java
@@ -43,7 +43,7 @@ public class VTPValidateCSARR32155 extends VTPValidateCSARBase {
             yaml = (Map<String, ?>) yaml.get("topology_template");
             Map<String, ?> yamlTmpls = (Map<String, ?>) yaml.get("node_templates");
 
-            boolean vlExist[] = new boolean[2];
+            boolean []vlExist = new boolean[2];
 
             for (Object node0 : yamlTmpls.values()) {
 
@@ -52,12 +52,12 @@ public class VTPValidateCSARR32155 extends VTPValidateCSARBase {
                 if (node.containsKey("type")) {
                     String type = (String) node.get("type");
 
-                    if (type.equalsIgnoreCase("tosca.nodes.nfv.VnfVirtualLinkDesc")) {
+                    if ("tosca.nodes.nfv.VnfVirtualLinkDesc".equalsIgnoreCase(type)) {
 
                         vlExist[0] = true;
                     }
 
-                    if (type.equalsIgnoreCase("tosca.capabilities.nfv.VirtualLinkable")) {
+                    if ("tosca.capabilities.nfv.VirtualLinkable".equalsIgnoreCase(type)) {
 
                         vlExist[1] = true;
                     }
diff --git a/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR35851.java b/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR35851.java
index f25afd7..52582a6 100644
--- a/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR35851.java
+++ b/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR35851.java
@@ -28,10 +28,12 @@ import org.yaml.snakeyaml.Yaml;
 @OnapCommandSchema(schema = "vtp-validate-csar-r35851.yaml")
 public class VTPValidateCSARR35851 extends VTPValidateCSARBase {
 
+    private static final String SET_CODE = "0x1000";
+
     public static class CSARErrorEntryMissingDefinitionYamlVnfVirtualLink extends CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamlVnfVirtualLink(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode(SET_CODE);
         }
     }
 
@@ -39,14 +41,14 @@ public class VTPValidateCSARR35851 extends VTPValidateCSARBase {
     public static class CSARErrorEntryMissingDefinitionYamlVduCp extends CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamlVduCp(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode(SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamlVnfExtCp extends CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamlVnfExtCp(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode(SET_CODE);
         }
     }
 
@@ -63,17 +65,17 @@ public class VTPValidateCSARR35851 extends VTPValidateCSARBase {
                 Map<String, ?> node = (Map<String, ?>) nodeO;
                 if (node.containsKey("type")) {
                     String type = (String)node.get("type");
-                    if (type.equalsIgnoreCase("tosca.nodes.nfv.VnfVirtualLink")) {
+                    if ("tosca.nodes.nfv.VnfVirtualLink".equalsIgnoreCase(type)) {
                         vlExist[0] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.nodes.nfv.VduCp")) {
+                    if ("tosca.nodes.nfv.VduCp".equalsIgnoreCase(type)) {
                         vlExist[1] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.nodes.nfv.VnfExtCp")) {
+                    if ("tosca.nodes.nfv.VnfExtCp".equalsIgnoreCase(type)) {
                         vlExist[2] = true;
 
                     }
diff --git a/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR54356.java b/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR54356.java
index eaf9ad9..334d4ff 100644
--- a/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR54356.java
+++ b/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR54356.java
@@ -26,171 +26,172 @@ import java.util.Map;
 
 @OnapCommandSchema(schema = "vtp-validate-csar-r54356.yaml")
 public class VTPValidateCSARR54356 extends VTPValidateCSARBase {
+    private static final String SET_CODE = "0x1000";
     public static class CSARErrorEntryMissingDefinitionYamldatatypesL3AddressData extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesL3AddressData(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamldatatypesAddressData extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesAddressData(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamldatatypesVirtualNetworkInterfaceRequirements extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesVirtualNetworkInterfaceRequirements(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamldatatypesConnectivityType extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesConnectivityType(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamldatatypesRequestedAdditionalCapability extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesRequestedAdditionalCapability(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamldatatypesVirtualMemory extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesVirtualMemory(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamldatatypesVirtualCpu extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesVirtualCpu(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamldatatypesVirtualCpuPinning extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesVirtualCpuPinning(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamldatatypesVnfcConfigurableProperties extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesVnfcConfigurableProperties(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamldatatypesVduProfile extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesVduProfile(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamldatatypesVlProfile extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesVlProfile(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamldatatypesInstantiationLevel extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesInstantiationLevel(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamldatatypesVduLevel extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesVduLevel(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamldatatypesScaleInfo extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesScaleInfo(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamldatatypesinjectFile extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesinjectFile(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamldatatypesScalingAspect extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesScalingAspect(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamldatatypesLinkBitRateRequirements extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesLinkBitRateRequirements(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamldatatypesQos extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesQos(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamldatatypesCpProtocolData extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesCpProtocolData(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamldatatypesVnfConfigurableProperties extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesVnfConfigurableProperties(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamldatatypesVnfAdditionalConfigurableProperties extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesVnfAdditionalConfigurableProperties(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamldatatypesVnfInfoModifiableAttributes extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesVnfInfoModifiableAttributes(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamldatatypesVnfInfoModifiableAttributesExtensions extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesVnfInfoModifiableAttributesExtensions(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
     public static class CSARErrorEntryMissingDefinitionYamldatatypesVnfInfoModifiableAttributesMetadata extends CSARArchive.CSARErrorEntryMissing {
         public CSARErrorEntryMissingDefinitionYamldatatypesVnfInfoModifiableAttributesMetadata(String defYaml, String entry) {
             super(entry, defYaml);
-            this.setCode("0x1000");
+            this.setCode( SET_CODE);
         }
     }
 
@@ -201,125 +202,125 @@ public class VTPValidateCSARR54356 extends VTPValidateCSARBase {
             yaml = (Map<String, ?>) yaml.get("topology_template");
             Map<String, ?> nodeTmpls = (Map<String, ?>) yaml.get("node_templates");
 
-            boolean vlExist[] = new boolean[30];
+            boolean []vlExist = new boolean[30];
 
             for (Object nodeO : nodeTmpls.values()) {
                 Map<String, ?> node = (Map<String, ?>) nodeO;
                 if (node.containsKey("type")) {
                     String type = (String) node.get("type");
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.L3AddressData")) {
+                    if ("tosca.datatypes.nfv.L3AddressData".equalsIgnoreCase(type)) {
                         vlExist[0] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.AddressData")) {
+                    if ("tosca.datatypes.nfv.AddressData".equalsIgnoreCase(type)) {
                         vlExist[1] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.VirtualNetworkInterfaceRequirements")) {
+                    if ("tosca.datatypes.nfv.VirtualNetworkInterfaceRequirements".equalsIgnoreCase(type)) {
                         vlExist[2] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.ConnectivityType")) {
+                    if ("tosca.datatypes.nfv.ConnectivityType".equalsIgnoreCase(type)) {
                         vlExist[3] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.RequestedAdditionalCapability")) {
+                    if ("tosca.datatypes.nfv.RequestedAdditionalCapability".equalsIgnoreCase(type)) {
                         vlExist[4] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.VirtualMemory")) {
+                    if ("tosca.datatypes.nfv.VirtualMemory".equalsIgnoreCase(type)) {
                         vlExist[5] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.VirtualCpu")) {
+                    if ("tosca.datatypes.nfv.VirtualCpu".equalsIgnoreCase(type)) {
                         vlExist[6] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.VirtualCpuPinning")) {
+                    if ("tosca.datatypes.nfv.VirtualCpuPinning".equalsIgnoreCase(type)) {
                         vlExist[7] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.VnfcConfigurableProperties")) {
+                    if ("tosca.datatypes.nfv.VnfcConfigurableProperties".equalsIgnoreCase(type)) {
                         vlExist[8] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.VduProfile")) {
+                    if ("tosca.datatypes.nfv.VduProfile".equalsIgnoreCase(type)) {
                         vlExist[9] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.VlProfile")) {
+                    if ("tosca.datatypes.nfv.VlProfile".equalsIgnoreCase(type)) {
                         vlExist[10] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.InstantiationLevel")) {
+                    if ("tosca.datatypes.nfv.InstantiationLevel".equalsIgnoreCase(type)) {
                         vlExist[11] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.VduLevel")) {
+                    if ("tosca.datatypes.nfv.VduLevel".equalsIgnoreCase(type)) {
                         vlExist[12] = true;
 
                     }
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.ScaleInfo")) {
+                    if ("tosca.datatypes.nfv.ScaleInfo".equalsIgnoreCase(type)) {
                         vlExist[13] = true;
 
                     }
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.injectFile")) {
+                    if ("tosca.datatypes.nfv.injectFile".equalsIgnoreCase(type)) {
                         vlExist[14] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.ScalingAspect")) {
+                    if ("tosca.datatypes.nfv.ScalingAspect".equalsIgnoreCase(type)) {
                         vlExist[15] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.LinkBitRateRequirements")) {
+                    if ("tosca.datatypes.nfv.LinkBitRateRequirements".equalsIgnoreCase(type)) {
                         vlExist[16] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.Qos")) {
+                    if ("tosca.datatypes.nfv.Qos".equalsIgnoreCase(type)) {
                         vlExist[17] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.CpProtocolData")) {
+                    if ("tosca.datatypes.nfv.CpProtocolData".equalsIgnoreCase(type)) {
                         vlExist[18] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.VnfConfigurableProperties")) {
+                    if ("tosca.datatypes.nfv.VnfConfigurableProperties".equalsIgnoreCase(type)) {
                         vlExist[19] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.VnfAdditionalConfigurableProperties")) {
+                    if ("tosca.datatypes.nfv.VnfAdditionalConfigurableProperties".equalsIgnoreCase(type)) {
                         vlExist[20] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.VnfInfoModifiableAttributes")) {
+                    if ("tosca.datatypes.nfv.VnfInfoModifiableAttributes".equalsIgnoreCase(type)) {
                         vlExist[21] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.VnfInfoModifiableAttributesExtensions")) {
+                    if ("tosca.datatypes.nfv.VnfInfoModifiableAttributesExtensions".equalsIgnoreCase(type)) {
                         vlExist[22] = true;
 
                     }
-                    if (type.equalsIgnoreCase("tosca.datatypes.nfv.VnfInfoModifiableAttributesMetadata")) {
+                    if ("tosca.datatypes.nfv.VnfInfoModifiableAttributesMetadata".equalsIgnoreCase(type)) {
                         vlExist[23] = true;
 
                     }
diff --git a/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR67895.java b/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR67895.java
index c6075bc..19cb518 100644
--- a/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR67895.java
+++ b/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR67895.java
@@ -48,18 +48,18 @@ public class VTPValidateCSARR67895 extends VTPValidateCSARBase {
             yaml = (Map<String, ?>) yaml.get("topology_template");
             Map<String, ?> nodeTmpls = (Map<String, ?>) yaml.get("node_templates");
 
-            boolean vlExist[] = new boolean[2];
+            boolean []vlExist = new boolean[2];
 
             for (Object nodeO : nodeTmpls.values()) {
                 Map<String, ?> node = (Map<String, ?>) nodeO;
                 if (node.containsKey("type")) {
                     String type = (String) node.get("type");
-                    if (type.equalsIgnoreCase("tosca.capabilities.nfv.VirtualBindable")) {
+                    if ("tosca.capabilities.nfv.VirtualBindable".equalsIgnoreCase(type)) {
                         vlExist[0] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.capabilities.nfv.VirtualLinkable")) {
+                    if ("tosca.capabilities.nfv.VirtualLinkable".equalsIgnoreCase(type)) {
                         vlExist[1] = true;
 
                     }
diff --git a/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR95321.java b/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR95321.java
index c7daafe..47eed83 100644
--- a/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR95321.java
+++ b/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol001/VTPValidateCSARR95321.java
@@ -49,18 +49,18 @@ public class VTPValidateCSARR95321 extends VTPValidateCSARBase {
             yaml = (Map<String, ?>) yaml.get("topology_template");
             Map<String, ?> nodeTmpls = (Map<String, ?>) yaml.get("node_templates");
 
-            boolean vlExist[] = new boolean[2];
+            boolean []vlExist = new boolean[2];
 
             for (Object nodeO : nodeTmpls.values()) {
                 Map<String, ?> node = (Map<String, ?>) nodeO;
                 if (node.containsKey("type")) {
                     String type = (String) node.get("type");
-                    if (type.equalsIgnoreCase("tosca.relationships.nfv.VirtualBindsTo")) {
+                    if ("tosca.relationships.nfv.VirtualBindsTo".equalsIgnoreCase(type)) {
                         vlExist[0] = true;
 
                     }
 
-                    if (type.equalsIgnoreCase("tosca.relationships.nfv.VirtualLinksTo")) {
+                    if ("tosca.relationships.nfv.VirtualLinksTo".equalsIgnoreCase(type)) {
                         vlExist[1] = true;
 
                     }
diff --git a/csarvalidation/src/main/java/org/onap/validation/csar/CsarValidator.java b/csarvalidation/src/main/java/org/onap/validation/csar/CsarValidator.java
index ced4158..e92f2b2 100644
--- a/csarvalidation/src/main/java/org/onap/validation/csar/CsarValidator.java
+++ b/csarvalidation/src/main/java/org/onap/validation/csar/CsarValidator.java
@@ -46,13 +46,13 @@ public class CsarValidator {
     private static final Logger LOG = LoggerFactory.getLogger(CsarValidator.class);
 
     // Schema files
-    static private ValidatorSchemaLoader vsl;
+    private static ValidatorSchemaLoader vsl;
 
     // Map of CSAR file and un-zipped file indices
-    static private HashMap<String, String> csarFiles;
+    private static HashMap<String, String> csarFiles;
 
     // Map of packageId and CSAR files
-    private static HashMap<String, HashMap<String, String>> csar = new HashMap<String, HashMap<String, String>>();
+    private static HashMap<String, HashMap<String, String>> csar = new HashMap<>();
 
     private static String MAINSERV_TEMPLATE = CommonConstants.MAINSERV_TEMPLATE;
 
@@ -170,7 +170,7 @@ public class CsarValidator {
             try (BufferedReader reader = new BufferedReader(new FileReader(file))) {
                 String tempString = null;
                 while((tempString = reader.readLine()) != null) {
-                    if(!tempString.equals("")) {
+                    if(!"".equals(tempString)) {
                         int count1 = tempString.indexOf(":");
                         String meta = tempString.substring(0, count1).trim();
                         if(meta.equalsIgnoreCase(CommonConstants.CSAR_TYPE_META)) {
@@ -285,7 +285,6 @@ public class CsarValidator {
         // Rel-2 SOL004 requirement
         if(StringUtils.isEmpty(mainServManifest)) {
             // Do nothing for Rel-1
-            // return false;
         }
 
         String mainservTemplate = MAINSERV_TEMPLATE;
@@ -392,10 +391,7 @@ public class CsarValidator {
         List<? super String> lResult =
                 subValues.keySet().stream().filter(attributes::contains).collect(Collectors.toList());
 
-        if(lResult.size() == 0) {
-            return false;
-        }
-        return true;
+        return !lResult.isEmpty();
     }
 
     /**
diff --git a/csarvalidation/src/main/java/org/onap/validation/csar/FileUtil.java b/csarvalidation/src/main/java/org/onap/validation/csar/FileUtil.java
index e5605ac..f7471bd 100644
--- a/csarvalidation/src/main/java/org/onap/validation/csar/FileUtil.java
+++ b/csarvalidation/src/main/java/org/onap/validation/csar/FileUtil.java
@@ -17,9 +17,6 @@ package org.onap.validation.csar;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-
-import com.fasterxml.jackson.core.JsonGenerationException;
-import com.fasterxml.jackson.core.JsonParseException;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
diff --git a/csarvalidation/src/main/java/org/onap/validation/csar/ValidationException.java b/csarvalidation/src/main/java/org/onap/validation/csar/ValidationException.java
index ec0c45c..7c124d7 100644
--- a/csarvalidation/src/main/java/org/onap/validation/csar/ValidationException.java
+++ b/csarvalidation/src/main/java/org/onap/validation/csar/ValidationException.java
@@ -21,21 +21,47 @@ import java.util.TreeMap;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 public class ValidationException extends RuntimeException {
+
+    private static final long serialVersionUID = 1L;
 	public static final Logger logger = LoggerFactory.getLogger(ValidationException.class);
 	private String errorMessage;
+    private ErrorCodes errorCode;
+    private final transient Map<String,Object> properties = new TreeMap<>();
+
     public  ValidationException(){
         super();
     }
 
-    
+    public static ValidationException wrappedInfo(Throwable exception) {
+        return wrappedInfo(exception, null);
+    }
+
     public ValidationException(ErrorCodes errCode, String message) {
         super(message);
     }
+
+    public ValidationException(ErrorCodes fileIo) {
+        this.errorCode = fileIo;
+    }
+
+    public ValidationException(String message, ErrorCodes errorCode) {
+        super(message);
+        this.errorCode = errorCode;
+    }
+
+    public ValidationException(Throwable cause, ErrorCodes errorCode) {
+        super(cause);
+        this.errorCode = errorCode;
+    }
+
+    public ValidationException(String message, Throwable cause, ErrorCodes errorCode) {
+        super(message, cause);
+        this.errorCode = errorCode;
+    }
     
     public String toString(){
         return ("Exception Number =  "+errorMessage) ;
     }
-    private static final long serialVersionUID = 1L;
 
     public static ValidationException wrappedInfo(Throwable exception, ErrorCodes errorCode) {
         if (exception instanceof ValidationException) {
@@ -49,31 +75,9 @@ public class ValidationException extends RuntimeException {
         }
     }
     
-    public static ValidationException wrappedInfo(Throwable exception) {
-    	return wrappedInfo(exception, null);
-    }
-    
-    private ErrorCodes errorCode;
-    private final transient Map<String,Object> properties = new TreeMap<String,Object>();
-    
-    public ValidationException(ErrorCodes fileIo) {
-		this.errorCode = fileIo;
-	}
-
-	public ValidationException(String message, ErrorCodes errorCode) {
-		super(message);
-		this.errorCode = errorCode;
-	}
 
-	public ValidationException(Throwable cause, ErrorCodes errorCode) {
-		super(cause);
-		this.errorCode = errorCode;
-	}
+    
 
-	public ValidationException(String message, Throwable cause, ErrorCodes errorCode) {
-		super(message, cause);
-		this.errorCode = errorCode;
-	}
 	
 	public ErrorCodes getErrorCode() {
         return errorCode;
diff --git a/csarvalidation/src/main/java/org/onap/validation/csar/ValidatorSchemaLoader.java b/csarvalidation/src/main/java/org/onap/validation/csar/ValidatorSchemaLoader.java
index eb9c9da..0ed0bdc 100644
--- a/csarvalidation/src/main/java/org/onap/validation/csar/ValidatorSchemaLoader.java
+++ b/csarvalidation/src/main/java/org/onap/validation/csar/ValidatorSchemaLoader.java
@@ -16,27 +16,18 @@
 
 package org.onap.validation.csar;
 
-import org.apache.commons.io.FileSystemUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-
 import java.io.*;
-import java.net.URI;
 import java.net.URISyntaxException;
-import java.net.URL;
-import java.nio.charset.StandardCharsets;
 import java.util.*;
-import java.util.stream.Stream;
-
-import org.apache.commons.io.FilenameUtils;
 import org.yaml.snakeyaml.Yaml;
 import org.yaml.snakeyaml.scanner.ScannerException;
-import java.nio.file.Files;
-import java.nio.file.Paths;
-import java.nio.file.Path;
 
 public class ValidatorSchemaLoader {
 
+    private static final String FILE_NAME = "/schema/";
+
     private static final Logger LOG = LoggerFactory.getLogger(ValidatorSchemaLoader.class);
 
     // Map of Schema files
@@ -49,16 +40,16 @@ public class ValidatorSchemaLoader {
     private Map<String, ?> mrfManifest;
 
     // List of configured schemas
-    static List<String> schemaFileList = new ArrayList<String>();
+    static List<String> schemaFileList = new ArrayList<>();
 
     // SOL004 rule files
     static HashMap<String, String> optionOneSchema;
 
     static HashMap<String, String> optionTwoSchema;
 
-    private String schema_folder;
+    private String schemaFolder;
 
-    public ValidatorSchemaLoader() throws NullPointerException, FileNotFoundException, ScannerException, IOException {
+    public ValidatorSchemaLoader() {
 
         try {
             loadResources();
@@ -67,7 +58,7 @@ public class ValidatorSchemaLoader {
 
         } catch(URISyntaxException e) {
             // TODO Auto-generated catch block
-            e.printStackTrace();
+            LOG.error("Illegal character in query at index", e);
         }
     }
 
@@ -81,16 +72,16 @@ public class ValidatorSchemaLoader {
         for (String metaFile: new String []{"TOSCA.meta", "CSAR.meta", "MRF.mf" }) {
             switch(metaFile) {
                 case "TOSCA.meta":
-                     toscaMeta = this.readYaml("/schema/" + metaFile);
+                     toscaMeta = this.readYaml(FILE_NAME + metaFile);
                     break;
                 case "CSAR.meta":
-                    csarentryd = this.readYaml("/schema/" + metaFile);
+                    csarentryd = this.readYaml(FILE_NAME + metaFile);
                     break;
                 case "MRF.yaml":
-                    mrfYaml = this.readYaml("/schema/" + metaFile);
+                    mrfYaml = this.readYaml(FILE_NAME + metaFile);
                     break;
-                case "MRF.mf":
-                    mrfManifest = this.readYaml("/schema/" + metaFile);
+                default:
+                    mrfManifest = this.readYaml(FILE_NAME + metaFile);
                     break;
             }
         }