Get cm-handle public properties endpoint

Added RestOuputCmHandlePublicProperties OpenApi Object
Added Get cm-handle public properties endpoint
Added rest and service layer functionality for endpoint with tests
Fixed Copyright Checker violations

Issue-ID: CPS-1018
Signed-off-by: lukegleeson <luke.gleeson@est.tech>
Change-Id: Ifc13cde350a49f6ba705a09e31853dc9c73be168

3 files changed, 55 insertions, 6 deletions

diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/NetworkCmProxyDataService.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/NetworkCmProxyDataService.java
index 058c42b7b9..7527ae5c50 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/NetworkCmProxyDataService.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/NetworkCmProxyDataService.java
@@ -26,6 +26,7 @@ package org.onap.cps.ncmp.api;
 import static org.onap.cps.ncmp.api.impl.operations.DmiRequestBody.OperationEnum;
 
 import java.util.Collection;
+import java.util.Map;
 import java.util.Set;
 import org.onap.cps.ncmp.api.models.CmHandleQueryApiParameters;
 import org.onap.cps.ncmp.api.models.DmiPluginRegistration;
@@ -122,6 +123,14 @@ public interface NetworkCmProxyDataService {
     NcmpServiceCmHandle getNcmpServiceCmHandle(String cmHandleId);
 
     /**
+     * Get cm handle public properties by cm handle id.
+     *
+     * @param cmHandleId cm handle identifier
+     * @return a collection of cm handle public properties.
+     */
+    Map<String, String> getCmHandlePublicProperties(String cmHandleId);
+
+    /**
      * Query and return cm handles that match the given query parameters.
      *
      * @param cmHandleQueryApiParameters the cm handle query parameters
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImpl.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImpl.java
index c0f73d92d6..0e748c7fe7 100755
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImpl.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImpl.java
@@ -34,6 +34,7 @@ import static org.onap.cps.spi.CascadeDeleteAllowed.CASCADE_DELETE_ALLOWED;
 import com.google.common.base.Strings;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.HashMap;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
@@ -194,6 +195,23 @@ public class NetworkCmProxyDataServiceImpl implements NetworkCmProxyDataService
     }
 
     /**
+     * Get cm handle public properties for a given cm handle id.
+     *
+     * @param cmHandleId cm handle identifier
+     * @return cm handle public properties
+     */
+    @Override
+    public Map<String, String> getCmHandlePublicProperties(final String cmHandleId) {
+        CpsValidator.validateNameCharacters(cmHandleId);
+        final YangModelCmHandle yangModelCmHandle =
+            yangModelCmHandleRetriever.getYangModelCmHandle(cmHandleId);
+        final List<YangModelCmHandle.Property> yangModelPublicProperties = yangModelCmHandle.getPublicProperties();
+        final Map<String, String> cmHandlePublicProperties = new HashMap<>();
+        asPropertiesMap(yangModelPublicProperties, cmHandlePublicProperties);
+        return cmHandlePublicProperties;
+    }
+
+    /**
      * THis method registers a cm handle and initiates modules sync.
      *
      * @param dmiPluginRegistration dmi plugin registration information.
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImplSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImplSpec.groovy
index 65f007d14f..01f3bfed7b 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImplSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImplSpec.groovy
@@ -1,5 +1,5 @@
 /*
- * ============LICENSE_START=======================================================
+ *  ============LICENSE_START=======================================================
  *  Copyright (C) 2021-2022 Nordix Foundation
  *  Modifications Copyright (C) 2021 Pantheon.tech
  *  Modifications Copyright (C) 2021-2022 Bell Canada
@@ -74,7 +74,7 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
 
     def cmHandleXPath = "/dmi-registry/cm-handles[@id='testCmHandle']"
 
-    def dataNode = new DataNode(leaves: ['id': 'Some-Cm-Handle', 'dmi-service-name': 'testDmiService'])
+    def dataNode = new DataNode(leaves: ['id': 'some-cm-handle', 'dmi-service-name': 'testDmiService'])
 
     def 'Write resource data for pass-through running from DMI using POST #scenario cm handle properties.'() {
         given: 'cpsDataService returns valid datanode'
@@ -284,12 +284,12 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
             def dmiServiceName = 'some service name'
             def dmiProperties = [new YangModelCmHandle.Property('Book', 'Romance Novel')]
             def publicProperties = [new YangModelCmHandle.Property('Public Book', 'Public Romance Novel')]
-            def yangModelCmHandle = new YangModelCmHandle(id:'Some-Cm-Handle', dmiServiceName: dmiServiceName, dmiProperties: dmiProperties, publicProperties: publicProperties)
-            1 * mockYangModelCmHandleRetriever.getYangModelCmHandle('Some-Cm-Handle') >> yangModelCmHandle
+            def yangModelCmHandle = new YangModelCmHandle(id:'some-cm-handle', dmiServiceName: dmiServiceName, dmiProperties: dmiProperties, publicProperties: publicProperties)
+            1 * mockYangModelCmHandleRetriever.getYangModelCmHandle('some-cm-handle') >> yangModelCmHandle
         when: 'getting cm handle details for a given cm handle id from ncmp service'
-            def result = objectUnderTest.getNcmpServiceCmHandle('Some-Cm-Handle')
+            def result = objectUnderTest.getNcmpServiceCmHandle('some-cm-handle')
         then: 'the result returns the correct data'
-            result.cmHandleId == 'Some-Cm-Handle'
+            result.cmHandleId == 'some-cm-handle'
             result.dmiProperties ==[ Book:'Romance Novel' ]
             result.publicProperties == [ "Public Book":'Public Romance Novel' ]
 
@@ -304,6 +304,28 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
             0 * mockYangModelCmHandleRetriever.getYangModelCmHandle(_)
     }
 
+    def 'Get cm handle public properties'() {
+        given: 'a yang modelled cm handle'
+            def dmiProperties = [new YangModelCmHandle.Property('prop', 'some DMI property')]
+            def publicProperties = [new YangModelCmHandle.Property('public prop', 'some public prop')]
+            def yangModelCmHandle = new YangModelCmHandle(id:'some-cm-handle', dmiServiceName: 'some service name', dmiProperties: dmiProperties, publicProperties: publicProperties)
+        and: 'the system returns this yang modelled cm handle'
+            1 * mockYangModelCmHandleRetriever.getYangModelCmHandle('some-cm-handle') >> yangModelCmHandle
+        when: 'getting cm handle public properties for a given cm handle id from ncmp service'
+            def result = objectUnderTest.getCmHandlePublicProperties('some-cm-handle')
+        then: 'the result returns the correct data'
+            result == [ 'public prop' : 'some public prop' ]
+    }
+
+    def 'Get cm handle public properties with an invalid id.'() {
+        when: 'getting cm handle details for a given cm handle id with an invalid name'
+            objectUnderTest.getCmHandlePublicProperties('invalid cm handle with spaces')
+        then: 'an exception is thrown'
+            thrown(DataValidationException)
+        and: 'the yang model cm handle retriever is not invoked'
+            0 * mockYangModelCmHandleRetriever.getYangModelCmHandle(_)
+    }
+
     def 'Update resource data for pass-through running from dmi using POST #scenario DMI properties.'() {
         given: 'cpsDataService returns valid datanode'
             mockCpsDataService.getDataNode('NCMP-Admin', 'ncmp-dmi-registry',