SOL003 Adapter Package Management - Query VNF Package

Change-Id: I09ed3cb8c90ceba5b1b6ab659b1899997b0d8ab7
Issue-ID: SO-2413
Signed-off-by: AndrewLamb <andrew.a.lamb@est.tech>

9 files changed, 633 insertions, 40 deletions

diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/MessageConverterConfiguration.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/MessageConverterConfiguration.java
index 32c22356b3..84282e0c7f 100644
--- a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/MessageConverterConfiguration.java
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/MessageConverterConfiguration.java
@@ -23,10 +23,13 @@ import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
 import java.util.ArrayList;
 import java.util.Collection;
+import org.onap.so.adapters.vnfmadapter.converters.Sol003EtsiVnfPkgInfoToPkgmInlineResponse2001Converter;
 import org.onap.so.adapters.vnfmadapter.oauth.OAuth2AccessTokenAdapter;
 import org.springframework.boot.autoconfigure.http.HttpMessageConverters;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.core.convert.ConversionService;
+import org.springframework.core.convert.support.DefaultConversionService;
 import org.springframework.http.converter.HttpMessageConverter;
 import org.springframework.http.converter.json.GsonHttpMessageConverter;
 import org.springframework.security.oauth2.common.OAuth2AccessToken;
@@ -38,6 +41,13 @@ import org.springframework.security.oauth2.common.OAuth2AccessToken;
 public class MessageConverterConfiguration {
 
     @Bean
+    public ConversionService conversionService() {
+        final DefaultConversionService service = new DefaultConversionService();
+        service.addConverter(new Sol003EtsiVnfPkgInfoToPkgmInlineResponse2001Converter());
+        return service;
+    }
+
+    @Bean
     public HttpMessageConverters customConverters() {
         final Collection<HttpMessageConverter<?>> messageConverters = new ArrayList<>();
         final Gson gson = new GsonBuilder()
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/Sol003PackageManagementControllerExceptionHandler.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/Sol003PackageManagementControllerExceptionHandler.java
index 713bf01249..2a97bb47e4 100644
--- a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/Sol003PackageManagementControllerExceptionHandler.java
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/Sol003PackageManagementControllerExceptionHandler.java
@@ -23,6 +23,7 @@ package org.onap.so.adapters.vnfmadapter;
 import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.ProblemDetails;
 import org.onap.so.adapters.vnfmadapter.rest.Sol003PackageManagementController;
 import org.onap.so.adapters.vnfmadapter.rest.exceptions.EtsiCatalogManagerRequestFailureException;
+import org.onap.so.adapters.vnfmadapter.rest.exceptions.VnfPkgBadRequestException;
 import org.onap.so.adapters.vnfmadapter.rest.exceptions.VnfPkgConflictException;
 import org.onap.so.adapters.vnfmadapter.rest.exceptions.VnfPkgNotFoundException;
 import org.springframework.http.HttpStatus;
@@ -41,7 +42,7 @@ public class Sol003PackageManagementControllerExceptionHandler {
 
     @ExceptionHandler(EtsiCatalogManagerRequestFailureException.class)
     public ResponseEntity<ProblemDetails> handleEtsiCatalogManagerRequestFailureException(
-            EtsiCatalogManagerRequestFailureException etsiCatalogManagerRequestFailureException) {
+            final EtsiCatalogManagerRequestFailureException etsiCatalogManagerRequestFailureException) {
         final ProblemDetails problemDetails = new ProblemDetails();
         problemDetails.setDetail(etsiCatalogManagerRequestFailureException.getMessage());
         return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(problemDetails);
@@ -49,7 +50,7 @@ public class Sol003PackageManagementControllerExceptionHandler {
 
     @ExceptionHandler(VnfPkgConflictException.class)
     public ResponseEntity<ProblemDetails> handleVnfPkgConflictException(
-            VnfPkgConflictException vnfPkgConflictException) {
+            final VnfPkgConflictException vnfPkgConflictException) {
         final ProblemDetails problemDetails = new ProblemDetails();
         problemDetails.setDetail(vnfPkgConflictException.getMessage());
         return ResponseEntity.status(HttpStatus.CONFLICT).body(problemDetails);
@@ -57,10 +58,17 @@ public class Sol003PackageManagementControllerExceptionHandler {
 
     @ExceptionHandler(VnfPkgNotFoundException.class)
     public ResponseEntity<ProblemDetails> handleVnfPkgNotFoundException(
-            VnfPkgNotFoundException vnfPkgNotFoundException) {
+            final VnfPkgNotFoundException vnfPkgNotFoundException) {
         final ProblemDetails problemDetails = new ProblemDetails();
         problemDetails.setDetail(vnfPkgNotFoundException.getMessage());
         return ResponseEntity.status(HttpStatus.NOT_FOUND).body(problemDetails);
     }
 
+    @ExceptionHandler(VnfPkgBadRequestException.class)
+    public ResponseEntity<ProblemDetails> handleVnfPkgBadRequestException(
+            final VnfPkgBadRequestException vnfPkgBadRequestException) {
+        final ProblemDetails problemDetails = new ProblemDetails();
+        problemDetails.setDetail(vnfPkgBadRequestException.getMessage());
+        return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(problemDetails);
+    }
 }
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/converters/Sol003EtsiVnfPkgInfoToPkgmInlineResponse2001Converter.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/converters/Sol003EtsiVnfPkgInfoToPkgmInlineResponse2001Converter.java
new file mode 100644
index 0000000000..de18ecc43e
--- /dev/null
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/converters/Sol003EtsiVnfPkgInfoToPkgmInlineResponse2001Converter.java
@@ -0,0 +1,180 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.so.adapters.vnfmadapter.converters;
+
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.*;
+import org.onap.so.adapters.vnfmadapter.extclients.vnfm.packagemanagement.model.*;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.core.convert.converter.Converter;
+import org.springframework.stereotype.Service;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Converter to convert from an Etsi Catalog Model {@link VnfPkgInfo} Object to a PackageManagement Model
+ * {@link InlineResponse2001} Object
+ *
+ * @author andrew.a.lamb@est.tech
+ */
+@Service
+public class Sol003EtsiVnfPkgInfoToPkgmInlineResponse2001Converter
+        implements Converter<VnfPkgInfo, InlineResponse2001> {
+    private static final Logger logger =
+            LoggerFactory.getLogger(Sol003EtsiVnfPkgInfoToPkgmInlineResponse2001Converter.class);
+
+    /**
+     * Convert a {@link VnfPkgInfo} Object to an {@link InlineResponse2001} Object
+     * 
+     * @param vnfPkgInfo The VnfPkgInfo Object to Convert
+     * @return The Converted InlineResponse2001 Object
+     */
+    @Override
+    public InlineResponse2001 convert(final VnfPkgInfo vnfPkgInfo) {
+        if (vnfPkgInfo == null) {
+            logger.info("No VnfPkgInfo Object Provided for Conversion. (Null object received, returning Null)");
+            return null;
+        }
+        final InlineResponse2001 response = new InlineResponse2001();
+        response.setId(vnfPkgInfo.getId());
+        response.setVnfdId(vnfPkgInfo.getVnfdId());
+        response.setVnfProvider(vnfPkgInfo.getVnfProvider());
+        response.setVnfProductName(vnfPkgInfo.getVnfProductName());
+        response.setVnfSoftwareVersion(vnfPkgInfo.getVnfSoftwareVersion());
+        response.setVnfdVersion(vnfPkgInfo.getVnfdVersion());
+        response.setChecksum(convertChecksumToVnfPackagesChecksum(vnfPkgInfo.getChecksum()));
+        response.setSoftwareImages(
+                convertVnfPackageSoftwareImageInfoListToVnfPackagesSoftwareImagesList(vnfPkgInfo.getSoftwareImages()));
+        response.setAdditionalArtifacts(convertVnfPackageArtifactInfoListToVnfPackagesAdditionalArtifactsList(
+                vnfPkgInfo.getAdditionalArtifacts()));
+
+        if (vnfPkgInfo.getOnboardingState() != null) {
+            response.setOnboardingState(
+                    InlineResponse2001.OnboardingStateEnum.fromValue(vnfPkgInfo.getOnboardingState().getValue()));
+        }
+
+        if (vnfPkgInfo.getOperationalState() != null) {
+            response.setOperationalState(
+                    InlineResponse2001.OperationalStateEnum.fromValue(vnfPkgInfo.getOperationalState().getValue()));
+        }
+
+        response.setUserDefinedData((vnfPkgInfo.getUserDefinedData()));
+
+        if (vnfPkgInfo.getLinks() != null) {
+            response.setLinks(convertVNFPKGMLinkSerializerToVnfPackagesLinks(vnfPkgInfo.getLinks()));
+        }
+
+        return response;
+    }
+
+    private VnfPackagesChecksum convertChecksumToVnfPackagesChecksum(final Checksum checksum) {
+        final VnfPackagesChecksum vnfPackagesChecksum = new VnfPackagesChecksum();
+        if (checksum != null) {
+            vnfPackagesChecksum.setAlgorithm(checksum.getAlgorithm());
+            vnfPackagesChecksum.setHash(checksum.getHash());
+        }
+        return vnfPackagesChecksum;
+    }
+
+    private List<VnfPackagesSoftwareImages> convertVnfPackageSoftwareImageInfoListToVnfPackagesSoftwareImagesList(
+            final List<VnfPackageSoftwareImageInfo> vnfPackageSoftwareImageInfoList) {
+        final List<VnfPackagesSoftwareImages> vnfPackagesSoftwareImages = new ArrayList<>();
+        if (vnfPackageSoftwareImageInfoList != null) {
+            for (final VnfPackageSoftwareImageInfo vnfPackageSoftwareImageInfo : vnfPackageSoftwareImageInfoList) {
+                final VnfPackagesSoftwareImages softwareImage =
+                        convertVnfPackageSoftwareImageInfoToVnfPackagesSoftwareImages(vnfPackageSoftwareImageInfo);
+                vnfPackagesSoftwareImages.add(softwareImage);
+            }
+        }
+        return vnfPackagesSoftwareImages;
+    }
+
+    private VnfPackagesSoftwareImages convertVnfPackageSoftwareImageInfoToVnfPackagesSoftwareImages(
+            final VnfPackageSoftwareImageInfo vnfPackageSoftwareImageInfo) {
+        final VnfPackagesSoftwareImages vnfPackagesSoftwareImages = new VnfPackagesSoftwareImages();
+        vnfPackagesSoftwareImages.setId(vnfPackageSoftwareImageInfo.getId());
+        vnfPackagesSoftwareImages.setName(vnfPackageSoftwareImageInfo.getName());
+        vnfPackagesSoftwareImages.setProvider(vnfPackageSoftwareImageInfo.getProvider());
+        vnfPackagesSoftwareImages.setVersion(vnfPackageSoftwareImageInfo.getVersion());
+        vnfPackagesSoftwareImages
+                .setChecksum(convertChecksumToVnfPackagesChecksum(vnfPackageSoftwareImageInfo.getChecksum()));
+        if (vnfPackageSoftwareImageInfo.getContainerFormat() != null) {
+            vnfPackagesSoftwareImages.setContainerFormat(VnfPackagesSoftwareImages.ContainerFormatEnum
+                    .fromValue(vnfPackageSoftwareImageInfo.getContainerFormat().getValue()));
+        }
+
+        if (vnfPackageSoftwareImageInfo.getDiskFormat() != null) {
+            vnfPackagesSoftwareImages.setDiskFormat(VnfPackagesSoftwareImages.DiskFormatEnum
+                    .fromValue(vnfPackageSoftwareImageInfo.getDiskFormat().getValue()));
+        }
+
+        vnfPackagesSoftwareImages.setCreatedAt(vnfPackageSoftwareImageInfo.getCreatedAt());
+        vnfPackagesSoftwareImages.setMinDisk(vnfPackageSoftwareImageInfo.getMinDisk());
+        vnfPackagesSoftwareImages.setMinRam(vnfPackageSoftwareImageInfo.getMinRam());
+        vnfPackagesSoftwareImages.setSize(vnfPackageSoftwareImageInfo.getSize());
+        vnfPackagesSoftwareImages.setUserMetadata(vnfPackageSoftwareImageInfo.getUserMetadata());
+        vnfPackagesSoftwareImages.setImagePath(vnfPackageSoftwareImageInfo.getImagePath());
+        return vnfPackagesSoftwareImages;
+    }
+
+    private List<VnfPackagesAdditionalArtifacts> convertVnfPackageArtifactInfoListToVnfPackagesAdditionalArtifactsList(
+            final List<VnfPackageArtifactInfo> vnfPackageArtifactInfoList) {
+        if (vnfPackageArtifactInfoList != null) {
+            final List<VnfPackagesAdditionalArtifacts> additionalArtifacts = new ArrayList<>();
+            for (final VnfPackageArtifactInfo artifactInfo : vnfPackageArtifactInfoList) {
+                final VnfPackagesAdditionalArtifacts artifact =
+                        convertVnfPackageArtifactInfoToVnfPackagesAdditionalArtifacts(artifactInfo);
+                additionalArtifacts.add(artifact);
+            }
+            return additionalArtifacts;
+        }
+        return null;
+    }
+
+    private VnfPackagesAdditionalArtifacts convertVnfPackageArtifactInfoToVnfPackagesAdditionalArtifacts(
+            final VnfPackageArtifactInfo vnfPackageArtifactInfo) {
+        final VnfPackagesAdditionalArtifacts vnfPackagesAdditionalArtifacts = new VnfPackagesAdditionalArtifacts();
+        vnfPackagesAdditionalArtifacts.setArtifactPath(vnfPackageArtifactInfo.getArtifactPath());
+        vnfPackagesAdditionalArtifacts
+                .setChecksum(convertChecksumToVnfPackagesChecksum(vnfPackageArtifactInfo.getChecksum()));
+        vnfPackagesAdditionalArtifacts.setMetadata(vnfPackageArtifactInfo.getMetadata());
+        return vnfPackagesAdditionalArtifacts;
+    }
+
+    private VnfPackagesLinks convertVNFPKGMLinkSerializerToVnfPackagesLinks(
+            final VNFPKGMLinkSerializer vnfpkgmLinkSerializer) {
+        final VnfPackagesLinks vnfPackagesLinks = new VnfPackagesLinks();
+        vnfPackagesLinks.setSelf(convertUriLinkToVnfPackagesLinksSelf(vnfpkgmLinkSerializer.getSelf()));
+        vnfPackagesLinks.setVnfd(convertUriLinkToVnfPackagesLinksSelf(vnfpkgmLinkSerializer.getVnfd()));
+        vnfPackagesLinks
+                .setPackageContent(convertUriLinkToVnfPackagesLinksSelf(vnfpkgmLinkSerializer.getPackageContent()));
+        return vnfPackagesLinks;
+    }
+
+    private VnfPackagesLinksSelf convertUriLinkToVnfPackagesLinksSelf(final UriLink uriLink) {
+        final VnfPackagesLinksSelf vnfPackagesLinksSelf = new VnfPackagesLinksSelf();
+        if (uriLink != null) {
+            vnfPackagesLinksSelf.setHref(uriLink.getHref());
+        }
+        return vnfPackagesLinksSelf;
+    }
+
+}
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogServiceProvider.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogServiceProvider.java
index 39efc8dc23..a73958e544 100644
--- a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogServiceProvider.java
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogServiceProvider.java
@@ -20,6 +20,7 @@
 
 package org.onap.so.adapters.vnfmadapter.extclients.etsicatalog;
 
+import org.onap.so.adapters.vnfmadapter.extclients.vnfm.packagemanagement.model.InlineResponse2001;
 import java.util.Optional;
 
 /**
@@ -35,7 +36,21 @@ public interface EtsiCatalogServiceProvider {
      * @param vnfPkgId The ID of the VNF Package from which the "package_content" will be retrieved.
      * @return The Package Content of a VNF Package ("vnfPkgId").
      */
-
     Optional<byte[]> getVnfPackageContent(final String vnfPkgId);
 
+    /**
+     * GET VNF packages information from ETSI Catalog. Will return zero or more VNF package representations.
+     *
+     * @return An Array of all VNF packages retrieved from the ETSI Catalog.
+     */
+    Optional<InlineResponse2001[]> getVnfPackages();
+
+    /**
+     * GET specific VNF package information from ETSI Catalog.
+     *
+     * @param vnfPkgId The ID of the VNF Package that you want to query.
+     * @return The VNF package retrieved from the ETSI Catalog
+     */
+    Optional<InlineResponse2001> getVnfPackage(final String vnfPkgId);
+
 }
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogServiceProviderImpl.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogServiceProviderImpl.java
index 9a59620993..96b01f04e4 100644
--- a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogServiceProviderImpl.java
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogServiceProviderImpl.java
@@ -21,16 +21,21 @@
 package org.onap.so.adapters.vnfmadapter.extclients.etsicatalog;
 
 import java.util.Optional;
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.VnfPkgInfo;
+import org.onap.so.adapters.vnfmadapter.extclients.vnfm.packagemanagement.model.InlineResponse2001;
 import org.onap.so.adapters.vnfmadapter.rest.exceptions.EtsiCatalogManagerRequestFailureException;
+import org.onap.so.adapters.vnfmadapter.rest.exceptions.VnfPkgBadRequestException;
 import org.onap.so.adapters.vnfmadapter.rest.exceptions.VnfPkgConflictException;
 import org.onap.so.adapters.vnfmadapter.rest.exceptions.VnfPkgNotFoundException;
 import org.onap.so.rest.exceptions.HttpResouceNotFoundException;
+import org.onap.so.rest.exceptions.InvalidRestRequestException;
 import org.onap.so.rest.exceptions.RestProcessingException;
 import org.onap.so.rest.service.HttpRestServiceProvider;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.core.convert.ConversionService;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Service;
@@ -44,31 +49,34 @@ import org.springframework.stereotype.Service;
 public class EtsiCatalogServiceProviderImpl implements EtsiCatalogServiceProvider {
     private static final Logger logger = LoggerFactory.getLogger(EtsiCatalogServiceProviderImpl.class);
 
-    @Qualifier
+    @Qualifier("etsiCatalogServiceProvider")
     private final HttpRestServiceProvider httpServiceProvider;
     private final EtsiCatalogUrlProvider etsiCatalogUrlProvider;
+    private final ConversionService conversionService;
 
     @Autowired
     public EtsiCatalogServiceProviderImpl(final EtsiCatalogUrlProvider etsiCatalogUrlProvider,
-            final HttpRestServiceProvider httpServiceProvider) {
+            final HttpRestServiceProvider httpServiceProvider, final ConversionService conversionService) {
         this.etsiCatalogUrlProvider = etsiCatalogUrlProvider;
         this.httpServiceProvider = httpServiceProvider;
+        this.conversionService = conversionService;
     }
 
     @Override
-    public Optional<byte[]> getVnfPackageContent(String vnfPkgId) throws EtsiCatalogManagerRequestFailureException {
+    public Optional<byte[]> getVnfPackageContent(final String vnfPkgId)
+            throws EtsiCatalogManagerRequestFailureException {
         try {
-            ResponseEntity<byte[]> response = httpServiceProvider
+            final ResponseEntity<byte[]> response = httpServiceProvider
                     .getHttpResponse(etsiCatalogUrlProvider.getVnfPackageContentUrl(vnfPkgId), byte[].class);
             logger.info("getVnfPackageContent Request to ETSI Catalog Manager Status Code: {}",
                     response.getStatusCodeValue());
             if (response.getStatusCode() == HttpStatus.OK) {
                 return Optional.ofNullable(response.getBody());
             }
-        } catch (HttpResouceNotFoundException httpResouceNotFoundException) {
+        } catch (final HttpResouceNotFoundException httpResouceNotFoundException) {
             logger.error("Caught HttpResouceNotFoundException", httpResouceNotFoundException);
             throw new VnfPkgNotFoundException("No Vnf Package found with vnfPkgId: " + vnfPkgId);
-        } catch (RestProcessingException restProcessingException) {
+        } catch (final RestProcessingException restProcessingException) {
             logger.error("Caught RestProcessingException with Status Code: {}", restProcessingException.getStatusCode(),
                     restProcessingException);
             if (restProcessingException.getStatusCode() == HttpStatus.CONFLICT.value()) {
@@ -78,4 +86,75 @@ public class EtsiCatalogServiceProviderImpl implements EtsiCatalogServiceProvide
         }
         throw new EtsiCatalogManagerRequestFailureException("Internal Server Error Occurred.");
     }
+
+    @Override
+    public Optional<InlineResponse2001[]> getVnfPackages() {
+        try {
+            final ResponseEntity<VnfPkgInfo[]> response =
+                    httpServiceProvider.getHttpResponse(etsiCatalogUrlProvider.getVnfPackagesUrl(), VnfPkgInfo[].class);
+            logger.info("getVnfPackages Request to ETSI Catalog Manager Status Code: {}",
+                    response.getStatusCodeValue());
+            if (response.getStatusCode() == HttpStatus.OK) {
+                if (response.hasBody()) {
+                    final VnfPkgInfo[] vnfPackages = response.getBody();
+                    final InlineResponse2001[] responses = new InlineResponse2001[vnfPackages.length];
+                    for (int index = 0; index < vnfPackages.length; index++) {
+                        if (conversionService.canConvert(vnfPackages[index].getClass(), InlineResponse2001.class)) {
+                            final InlineResponse2001 inlineResponse2001 =
+                                    conversionService.convert(vnfPackages[index], InlineResponse2001.class);
+                            if (inlineResponse2001 != null) {
+                                responses[index] = inlineResponse2001;
+                            }
+                        }
+                        logger.error("Unable to find Converter for response class: {}", vnfPackages[index].getClass());
+                    }
+                    return Optional.ofNullable(responses);
+                }
+                logger.error("Received response without body ...");
+            }
+            logger.error("Unexpected status code received {}", response.getStatusCode());
+            return Optional.empty();
+        } catch (final InvalidRestRequestException invalidRestRequestException) {
+            logger.error("Caught InvalidRestRequestException", invalidRestRequestException);
+            throw new VnfPkgBadRequestException("Error: Bad Request Received");
+        } catch (final HttpResouceNotFoundException httpResouceNotFoundException) {
+            logger.error("Caught HttpResouceNotFoundException", httpResouceNotFoundException);
+            throw new VnfPkgNotFoundException("No Vnf Packages found");
+        } catch (final RestProcessingException restProcessingException) {
+            logger.error("Caught RestProcessingException with Status Code: {}", restProcessingException.getStatusCode(),
+                    restProcessingException);
+            throw new EtsiCatalogManagerRequestFailureException("Internal Server Error Occurred.");
+        }
+    }
+
+    @Override
+    public Optional<InlineResponse2001> getVnfPackage(final String vnfPkgId) {
+        try {
+            final ResponseEntity<VnfPkgInfo> response = httpServiceProvider
+                    .getHttpResponse(etsiCatalogUrlProvider.getVnfPackageUrl(vnfPkgId), VnfPkgInfo.class);
+            logger.info("getVnfPackage Request for vnfPkgId {} to ETSI Catalog Manager Status Code: {}", vnfPkgId,
+                    response.getStatusCodeValue());
+            if (response.getStatusCode() == HttpStatus.OK) {
+                if (response.hasBody()) {
+                    final VnfPkgInfo vnfPkgInfo = response.getBody();
+                    if (conversionService.canConvert(vnfPkgInfo.getClass(), InlineResponse2001.class)) {
+                        return Optional.ofNullable(conversionService.convert(vnfPkgInfo, InlineResponse2001.class));
+                    }
+                    logger.error("Unable to find Converter for response class: {}", vnfPkgInfo.getClass());
+                }
+                logger.error("Received response without body ....");
+            }
+            return Optional.empty();
+        } catch (final InvalidRestRequestException invalidRestRequestException) {
+            logger.error("Caught InvalidRestRequestException", invalidRestRequestException);
+            throw new VnfPkgBadRequestException("Error: Bad Request Received");
+        } catch (final HttpResouceNotFoundException httpResouceNotFoundException) {
+            logger.error("Caught HttpResouceNotFoundException", httpResouceNotFoundException);
+            throw new VnfPkgNotFoundException("No Vnf Package found with vnfPkgId: " + vnfPkgId);
+        } catch (final RestProcessingException restProcessingException) {
+            logger.error("Caught RestProcessingException with Status Code: {}", restProcessingException.getStatusCode(),
+                    restProcessingException);
+            throw new EtsiCatalogManagerRequestFailureException("Internal Server Error Occurred.");
+        }
+    }
 }
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogUrlProvider.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogUrlProvider.java
index e8188b9c7d..d233c3f0fd 100644
--- a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogUrlProvider.java
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogUrlProvider.java
@@ -50,10 +50,33 @@ public class EtsiCatalogUrlProvider {
      * @param vnfPkgId The ID of the VNF Package
      * @return the URL for the GET operation
      */
-
     public String getVnfPackageContentUrl(final String vnfPkgId) {
         final String url = msbEndpoint + vnfpkgmServiceUrl + "/vnf_packages/" + vnfPkgId + "/package_content";
         logger.info("getEtsiCatalogVnfPackageContentUrl: {}", url);
         return url;
     }
+
+    /**
+     * Get the URL for retrieving VNF packages information from ETSI Catalog.".
+     *
+     * @return the URL for the GET operation
+     */
+    public String getVnfPackagesUrl() {
+        final String url = msbEndpoint + vnfpkgmServiceUrl + "/vnf_packages";
+        logger.info("getEtsiCatalogVnfPackagesEndpoint: {}", url);
+        return url;
+    }
+
+    /**
+     * Get the URL for retrieving specific VNF package information from the ETSI Catalog.".
+     *
+     * @param vnfPkgId The ID of the VNF Package
+     * @return the URL for the GET operation
+     */
+    public String getVnfPackageUrl(final String vnfPkgId) {
+        final String url = msbEndpoint + vnfpkgmServiceUrl + "/vnf_packages/" + vnfPkgId;
+        logger.info("getEtsiCatalogVnfPackageEndpoint: {}", url);
+        return url;
+    }
+
 }
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/Sol003PackageManagementController.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/Sol003PackageManagementController.java
index e12729a2e3..76ec492bd4 100644
--- a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/Sol003PackageManagementController.java
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/Sol003PackageManagementController.java
@@ -23,7 +23,6 @@ package org.onap.so.adapters.vnfmadapter.rest;
 import static org.onap.so.adapters.vnfmadapter.Constants.APPLICATION_ZIP;
 import static org.onap.so.adapters.vnfmadapter.Constants.PACKAGE_MANAGEMENT_BASE_URL;
 import static org.slf4j.LoggerFactory.getLogger;
-import java.util.List;
 import java.util.Optional;
 import javax.ws.rs.core.MediaType;
 import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.EtsiCatalogServiceProvider;
@@ -50,40 +49,55 @@ import org.springframework.web.bind.annotation.RequestMapping;
 public class Sol003PackageManagementController {
 
     private final EtsiCatalogServiceProvider etsiCatalogServiceProvider;
+    private static final String LOG_REQUEST_RECEIVED = "VNF PackageManagement Controller: {} {} {}";
+    private static final Logger logger = getLogger(Sol003PackageManagementController.class);
 
     @Autowired
     Sol003PackageManagementController(final EtsiCatalogServiceProvider etsiCatalogServiceProvider) {
         this.etsiCatalogServiceProvider = etsiCatalogServiceProvider;
     }
 
-
-    private static final String LOG_REQUEST_RECEIVED = "VNF PackageManagement Controller: {} {} {}";
-    private static final Logger logger = getLogger(Sol003PackageManagementController.class);
-
     /**
      * GET VNF packages information. Will return zero or more VNF package representations that match the attribute
      * filter. These representations will be in a list. Section Number: 10.4.2
      * 
-     * @return A List of all VNF packages. Object: List<InlineResponse2001> Response Code: 200 OK
+     * @return An Array of all VNF packages. Object: InlineResponse2001[] Response Code: 200 OK
      */
-
     @GetMapping(value = "/vnf_packages", produces = {MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
-    public ResponseEntity<List<InlineResponse2001>> getVnfPackages() {
+    public ResponseEntity getVnfPackages() {
         logger.info(LOG_REQUEST_RECEIVED, "getVnfPackages.");
-        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
+        final Optional<InlineResponse2001[]> response = etsiCatalogServiceProvider.getVnfPackages();
+        if (response.isPresent()) {
+            logger.info(LOG_REQUEST_RECEIVED, "getVnfPackages Response: ", HttpStatus.OK);
+            return new ResponseEntity(response.get(), HttpStatus.OK);
+        }
+        final String errorMessage = "An error occurred, a null response was received by the\n"
+                + " Sol003PackageManagementController from the EtsiCatalogManager using the GET \"vnf_packages\" \n"
+                + "endpoint.";
+        logger.error(errorMessage);
+        return new ResponseEntity(buildProblemDetails(errorMessage), HttpStatus.INTERNAL_SERVER_ERROR);
     }
 
     /**
      * GET VNF package information. Will return a specific VNF package representation that match the attribute filter.
      * Section Number: 10.4.3
-     * 
+     *
      * @param vnfPkgId The ID of the VNF Package that you want to query.
      * @return A VNF package based on vnfPkgId. Object: VnfPkgInfo Response Code: 200 OK
      */
     @GetMapping(value = "/vnf_packages/{vnfPkgId}", produces = {MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
-    public ResponseEntity<InlineResponse2001> getVnfPackage(@PathVariable("vnfPkgId") final String vnfPkgId) {
+    public ResponseEntity getVnfPackage(@PathVariable("vnfPkgId") final String vnfPkgId) {
         logger.info(LOG_REQUEST_RECEIVED, "getVnfPackage: ", vnfPkgId);
-        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
+        final Optional<InlineResponse2001> response = etsiCatalogServiceProvider.getVnfPackage(vnfPkgId);
+        if (response.isPresent()) {
+            logger.info(LOG_REQUEST_RECEIVED, "getVnfPackage Response: ", HttpStatus.OK);
+            return new ResponseEntity(response.get(), HttpStatus.OK);
+        }
+        final String errorMessage = "An error occurred, a null response was received by the\n"
+                + " Sol003PackageManagementController from the EtsiCatalogManager using the GET \"vnf_packages\" by vnfPkgId: \""
+                + vnfPkgId + "\" \n" + "endpoint.";
+        logger.error(errorMessage);
+        return new ResponseEntity(buildProblemDetails(errorMessage), HttpStatus.INTERNAL_SERVER_ERROR);
     }
 
     /**
@@ -144,7 +158,7 @@ public class Sol003PackageManagementController {
      * @param detail The error message retrieved from the exception thrown.
      * @return ProblemDetails Object, containing error information.
      */
-    private ProblemDetails buildProblemDetails(String detail) {
+    private ProblemDetails buildProblemDetails(final String detail) {
         final ProblemDetails problemDetails = new ProblemDetails();
         problemDetails.setDetail(detail);
         return problemDetails;
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/exceptions/VnfPkgBadRequestException.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/exceptions/VnfPkgBadRequestException.java
new file mode 100644
index 0000000000..211131c2a4
--- /dev/null
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/exceptions/VnfPkgBadRequestException.java
@@ -0,0 +1,43 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.adapters.vnfmadapter.rest.exceptions;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+/**
+ * Exception for a Vnfpkg Bad Request failure, due to state of resource.
+ * 
+ * @author andrew.a.lamb@est.tech
+ */
+@ResponseStatus(code = HttpStatus.BAD_REQUEST)
+public class VnfPkgBadRequestException extends RuntimeException {
+
+    private static final long serialVersionUID = 3301317418914258411L;
+
+    public VnfPkgBadRequestException(final String message) {
+        super(message);
+    }
+
+    @Override
+    public synchronized Throwable fillInStackTrace() {
+        return this;
+    }
+}
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/Sol003PackageManagementControllerTest.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/Sol003PackageManagementControllerTest.java
index 59dfd50b32..857bd7dc3e 100644
--- a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/Sol003PackageManagementControllerTest.java
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/Sol003PackageManagementControllerTest.java
@@ -20,21 +20,22 @@
 
 package org.onap.so.adapters.vnfmadapter.rest;
 
-import static org.junit.Assert.assertArrayEquals;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.*;
 import static org.onap.so.adapters.vnfmadapter.Constants.PACKAGE_MANAGEMENT_BASE_URL;
 import static org.onap.so.client.RestTemplateConfig.CONFIGURABLE_REST_TEMPLATE;
 import static org.springframework.test.web.client.match.MockRestRequestMatchers.method;
 import static org.springframework.test.web.client.match.MockRestRequestMatchers.requestTo;
 import static org.springframework.test.web.client.response.MockRestResponseCreators.withStatus;
 import static org.springframework.test.web.client.response.MockRestResponseCreators.withSuccess;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Random;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.onap.so.adapters.vnfmadapter.VnfmAdapterApplication;
-import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.ProblemDetails;
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.*;
+import org.onap.so.adapters.vnfmadapter.extclients.vnfm.packagemanagement.model.InlineResponse2001;
 import org.onap.so.configuration.rest.BasicHttpHeadersProvider;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -52,6 +53,7 @@ import org.springframework.test.context.ActiveProfiles;
 import org.springframework.test.context.junit4.SpringRunner;
 import org.springframework.test.web.client.MockRestServiceServer;
 import org.springframework.web.client.RestTemplate;
+import com.google.gson.Gson;
 
 /**
  * @author gareth.roper@est.tech
@@ -81,16 +83,27 @@ public class Sol003PackageManagementControllerTest {
     private static final String MSB_BASE_URL = "http://msb_iag.onap:80/api/vnfpkgm/v1/vnf_packages";
     private static final String VNFPKGM_BASE_URL = PACKAGE_MANAGEMENT_BASE_URL + "/vnf_packages";
     private static final String localhostUrl = "http://localhost:";
+    private static final String GET_VNF_PACKAGES_URL = "";
+    private static final String GET_VNF_PACKAGE_BY_ID_URL = "/" + VNF_PACKAGE_ID;
+    private static final String VNFD_ID = "vnfdId";
+    private static final String VNF_PROVIDER = "vnfProvider";
+    private static final String VNF_PRODUCT_NAME = "vnfProductName";
+    private static final String VNF_SOFTWARE_VERSION = "vnfSoftwareVersion";
+    private static final String VNFD_VERSION = "vnfdVersion";
+    private static final String ALGORITHM = "algorithm";
+    private static final String HASH = "hash";
+    private static final String URI_HREF = "uriHref";
 
     private MockRestServiceServer mockRestServer;
     private BasicHttpHeadersProvider basicHttpHeadersProvider;
-
+    private final Gson gson = new Gson();
 
     public Sol003PackageManagementControllerTest() {}
 
     @Before
     public void setUp() {
-        MockRestServiceServer.MockRestServiceServerBuilder builder = MockRestServiceServer.bindTo(testRestTemplate);
+        final MockRestServiceServer.MockRestServiceServerBuilder builder =
+                MockRestServiceServer.bindTo(testRestTemplate);
         builder.ignoreExpectOrder(true);
         mockRestServer = builder.build();
         basicHttpHeadersProvider = new BasicHttpHeadersProvider();
@@ -98,7 +111,7 @@ public class Sol003PackageManagementControllerTest {
 
     @Test
     public void testGetPackageContent_ValidArray_Success() {
-        byte[] responseArray = buildByteArrayWithRandomData(10);
+        final byte[] responseArray = buildByteArrayWithRandomData(10);
 
         mockRestServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/package_content"))
                 .andExpect(method(HttpMethod.GET))
@@ -193,20 +206,171 @@ public class Sol003PackageManagementControllerTest {
         assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
     }
 
-    // The below 4 test methods are here to improve code coverage and provide a foundation for writing future tests
     @Test
-    public void testGetVnfPackage_Not_Implemented() {
-        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(VNF_PACKAGE_ID);
-        assertEquals(HttpStatus.NOT_IMPLEMENTED, responseEntity.getStatusCode());
+    public void testVnfPackagesReceivedAsInlineResponse2001ListIfGetVnfPackagesSuccessful() {
+        final VnfPkgInfo[] responses = createVnfPkgArray();
+
+        mockRestServer.expect(requestTo(MSB_BASE_URL)).andExpect(method(HttpMethod.GET))
+                .andRespond(withSuccess(gson.toJson(responses), MediaType.APPLICATION_JSON));
+
+        final String testURL = localhostUrl + port + VNFPKGM_BASE_URL;
+        final HttpEntity<?> request = new HttpEntity<>(basicHttpHeadersProvider.getHttpHeaders());
+
+        final ResponseEntity<InlineResponse2001[]> responseEntity = restTemplate.withBasicAuth("test", "test")
+                .exchange(testURL, HttpMethod.GET, request, InlineResponse2001[].class);
+
+        assertEquals(HttpStatus.OK, responseEntity.getStatusCode());
+        assertNotNull(responseEntity.getBody());
+        final InlineResponse2001[] inlineResponse2001array = responseEntity.getBody();
+        final InlineResponse2001 inlineResponse2001 = inlineResponse2001array[0];
+        assertEquals(VNF_PACKAGE_ID, inlineResponse2001.getId());
+        assertEquals(VNFD_ID, inlineResponse2001.getVnfdId());
+        assertEquals(VNFD_ID, inlineResponse2001.getSoftwareImages().get(0).getId());
+        assertEquals(VNF_PRODUCT_NAME, inlineResponse2001.getSoftwareImages().get(0).getName());
+        assertEquals(ALGORITHM, inlineResponse2001.getChecksum().getAlgorithm());
+        assertEquals(HASH, inlineResponse2001.getChecksum().getHash());
+        assertEquals(ARTIFACT_PATH, inlineResponse2001.getAdditionalArtifacts().get(0).getArtifactPath());
+        assertEquals(ALGORITHM, inlineResponse2001.getAdditionalArtifacts().get(0).getChecksum().getAlgorithm());
+        assertEquals(HASH, inlineResponse2001.getAdditionalArtifacts().get(0).getChecksum().getHash());
+        assertEquals(URI_HREF, inlineResponse2001.getLinks().getSelf().getHref());
     }
 
     @Test
-    public void testGetVnfPackages_Not_Implemented() {
-        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest("");
-        assertEquals(HttpStatus.NOT_IMPLEMENTED, responseEntity.getStatusCode());
+    public void test400BadRequestInfoReceivedAsProblemDetailsIfGetVnfPackagesIs400BadRequest() {
+        mockRestServer.expect(requestTo(MSB_BASE_URL)).andExpect(method(HttpMethod.GET))
+                .andRespond(withStatus(HttpStatus.BAD_REQUEST));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(GET_VNF_PACKAGES_URL);
+        assertEquals(HttpStatus.BAD_REQUEST, responseEntity.getStatusCode());
+
+        assertNotNull(responseEntity.getBody());
+        final ProblemDetails problemDetails = responseEntity.getBody();
+        assertEquals("Error: Bad Request Received", problemDetails.getDetail());
+    }
+
+    @Test
+    public void test404NotFoundInfoReceivedAsProblemDetailsIfGetVnfPackagesIs404NotFound() {
+        mockRestServer.expect(requestTo(MSB_BASE_URL)).andExpect(method(HttpMethod.GET))
+                .andRespond(withStatus(HttpStatus.NOT_FOUND));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(GET_VNF_PACKAGES_URL);
+        assertEquals(HttpStatus.NOT_FOUND, responseEntity.getStatusCode());
+
+        assertNotNull(responseEntity.getBody());
+        final ProblemDetails problemDetails = responseEntity.getBody();
+        assertEquals("No Vnf Packages found", problemDetails.getDetail());
+    }
+
+    @Test
+    public void test500InternalServerErrorProblemDetailsReceivedIfGetVnfPackagesReturns500InternalServerError() {
+        mockRestServer.expect(requestTo(MSB_BASE_URL)).andExpect(method(HttpMethod.GET))
+                .andRespond(withStatus(HttpStatus.INTERNAL_SERVER_ERROR));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(GET_VNF_PACKAGES_URL);
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+
+        assertNotNull(responseEntity.getBody());
+        final ProblemDetails problemDetails = responseEntity.getBody();
+        assertEquals("Internal Server Error Occurred.", problemDetails.getDetail());
+    }
+
+    @Test
+    public void test500InternalServerErrorProblemDetailsReceivedIfGetVnfPackagesReturnsANullPackage() {
+        mockRestServer.expect(requestTo(MSB_BASE_URL)).andExpect(method(HttpMethod.GET)).andRespond(withSuccess());
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(GET_VNF_PACKAGES_URL);
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+
+        assertNotNull(responseEntity.getBody());
+        final ProblemDetails problemDetails = responseEntity.getBody();
+        assertEquals("An error occurred, a null response was received by the\n"
+                + " Sol003PackageManagementController from the EtsiCatalogManager using the GET \"vnf_packages\" \n"
+                + "endpoint.", problemDetails.getDetail());
+    }
+
+    @Test
+    public void testVnfPackageReceivedAsInlineResponse2001IfGetVnfPackageByIdSuccessful() {
+        final VnfPkgInfo response = createVnfPkgInfo(VNF_PACKAGE_ID);
+
+        mockRestServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID)).andExpect(method(HttpMethod.GET))
+                .andRespond(withSuccess(gson.toJson(response), MediaType.APPLICATION_JSON));
+
+        final String testURL = localhostUrl + port + VNFPKGM_BASE_URL + "/" + VNF_PACKAGE_ID;
+        final HttpEntity<?> request = new HttpEntity<>(basicHttpHeadersProvider.getHttpHeaders());
+        final ResponseEntity<InlineResponse2001> responseEntity = restTemplate.withBasicAuth("test", "test")
+                .exchange(testURL, HttpMethod.GET, request, InlineResponse2001.class);
+
+        assertEquals(HttpStatus.OK, responseEntity.getStatusCode());
+        assertNotNull(responseEntity.getBody());
+        final InlineResponse2001 inlineResponse2001 = responseEntity.getBody();
+        assertEquals(VNF_PACKAGE_ID, inlineResponse2001.getId());
+        assertEquals(VNFD_ID, inlineResponse2001.getVnfdId());
+        assertEquals(VNFD_ID, inlineResponse2001.getSoftwareImages().get(0).getId());
+        assertEquals(VNF_PRODUCT_NAME, inlineResponse2001.getSoftwareImages().get(0).getName());
+        assertEquals(ALGORITHM, inlineResponse2001.getChecksum().getAlgorithm());
+        assertEquals(HASH, inlineResponse2001.getChecksum().getHash());
+        assertEquals(ARTIFACT_PATH, inlineResponse2001.getAdditionalArtifacts().get(0).getArtifactPath());
+        assertEquals(ALGORITHM, inlineResponse2001.getAdditionalArtifacts().get(0).getChecksum().getAlgorithm());
+        assertEquals(HASH, inlineResponse2001.getAdditionalArtifacts().get(0).getChecksum().getHash());
+        assertEquals(URI_HREF, inlineResponse2001.getLinks().getSelf().getHref());
+    }
+
+    @Test
+    public void test400BadRequestInfoReceivedAsProblemDetailsIfGetVnfPackageByIdIs400BadRequest() {
+        mockRestServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID)).andExpect(method(HttpMethod.GET))
+                .andRespond(withStatus(HttpStatus.BAD_REQUEST));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(GET_VNF_PACKAGE_BY_ID_URL);
+
+        assertEquals(HttpStatus.BAD_REQUEST, responseEntity.getStatusCode());
+        assertNotNull(responseEntity.getBody());
+        final ProblemDetails problemDetails = responseEntity.getBody();
+        assertEquals("Error: Bad Request Received", problemDetails.getDetail());
+    }
+
+    @Test
+    public void test404NotFoundInfoReceivedAsProblemDetailsIfGetVnfPackageByIdIs404NotFound() {
+        mockRestServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID)).andExpect(method(HttpMethod.GET))
+                .andRespond(withStatus(HttpStatus.NOT_FOUND));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(GET_VNF_PACKAGE_BY_ID_URL);
+
+        assertEquals(HttpStatus.NOT_FOUND, responseEntity.getStatusCode());
+        assertNotNull(responseEntity.getBody());
+        final ProblemDetails problemDetails = responseEntity.getBody();
+        assertEquals("No Vnf Package found with vnfPkgId: " + VNF_PACKAGE_ID, problemDetails.getDetail());
+    }
+
+    @Test
+    public void test500InternalServerErrorProblemDetailsReceivedIfGetVnfPackageByIdReturns500InternalServerError() {
+        mockRestServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID)).andExpect(method(HttpMethod.GET))
+                .andRespond(withStatus(HttpStatus.INTERNAL_SERVER_ERROR));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(GET_VNF_PACKAGE_BY_ID_URL);
+
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+        assertNotNull(responseEntity.getBody());
+        final ProblemDetails problemDetails = responseEntity.getBody();
+        assertEquals("Internal Server Error Occurred.", problemDetails.getDetail());
     }
 
     @Test
+    public void test500InternalServerErrorProblemDetailsReceivedIfGetVnfPackageByIdReturnsANullPackage() {
+        mockRestServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID)).andExpect(method(HttpMethod.GET))
+                .andRespond(withSuccess());
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(GET_VNF_PACKAGE_BY_ID_URL);
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+
+        assertNotNull(responseEntity.getBody());
+        final ProblemDetails problemDetails = responseEntity.getBody();
+        assertEquals("An error occurred, a null response was received by the\n"
+                + " Sol003PackageManagementController from the EtsiCatalogManager using the GET \"vnf_packages\" by vnfPkgId: \""
+                + VNF_PACKAGE_ID + "\" \n" + "endpoint.", problemDetails.getDetail());
+    }
+
+    // The below 2 test methods are here to improve code coverage and provide a foundation for writing future tests
+    @Test
     public void testGetVnfd_Not_Implemented() {
         final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(VNF_PACKAGE_ID + "/vnfd");
         assertEquals(HttpStatus.NOT_IMPLEMENTED, responseEntity.getStatusCode());
@@ -220,17 +384,74 @@ public class Sol003PackageManagementControllerTest {
     }
 
     // Simply returns a byte array filled with random data, for use in the tests.
-    private byte[] buildByteArrayWithRandomData(int sizeInKb) {
+    private byte[] buildByteArrayWithRandomData(final int sizeInKb) {
         final Random rnd = new Random();
         final byte[] b = new byte[sizeInKb * 1024]; // converting kb to byte
         rnd.nextBytes(b);
         return b;
     }
 
-    private ResponseEntity<ProblemDetails> sendHttpRequest(String url) {
+    private ResponseEntity<ProblemDetails> sendHttpRequest(final String url) {
         final String testURL = localhostUrl + port + VNFPKGM_BASE_URL + "/" + url;
         final HttpEntity<?> request = new HttpEntity<>(basicHttpHeadersProvider.getHttpHeaders());
         return restTemplate.withBasicAuth("test", "test").exchange(testURL, HttpMethod.GET, request,
                 ProblemDetails.class);
     }
+
+    private VnfPkgInfo[] createVnfPkgArray() {
+        final VnfPkgInfo[] vnfPkgInfoArray = new VnfPkgInfo[1];
+        final VnfPkgInfo vnfPkgInfo = createVnfPkgInfo(VNF_PACKAGE_ID);
+        vnfPkgInfoArray[0] = vnfPkgInfo;
+        return vnfPkgInfoArray;
+    }
+
+    private VnfPkgInfo createVnfPkgInfo(final String vnfPackageId) {
+        final VnfPkgInfo vnfPkgInfo = new VnfPkgInfo();
+        vnfPkgInfo.setId(vnfPackageId);
+        vnfPkgInfo.setVnfdId(VNFD_ID);
+        vnfPkgInfo.setVnfProvider(VNF_PROVIDER);
+        vnfPkgInfo.setVnfProductName(VNF_PRODUCT_NAME);
+        vnfPkgInfo.setVnfSoftwareVersion(VNF_SOFTWARE_VERSION);
+        vnfPkgInfo.setVnfdVersion(VNFD_VERSION);
+        vnfPkgInfo.setChecksum(createVnfPkgChecksum());
+        vnfPkgInfo.setSoftwareImages(createSoftwareImages());
+        vnfPkgInfo.setAdditionalArtifacts(createAdditionalArtifacts());
+        vnfPkgInfo.setLinks(createVNFPKGMLinkSerializerLinks());
+        return vnfPkgInfo;
+    }
+
+    private Checksum createVnfPkgChecksum() {
+        final Checksum checksum = new Checksum();
+        checksum.setAlgorithm(ALGORITHM);
+        checksum.setHash(HASH);
+        return checksum;
+    }
+
+    private List<VnfPackageSoftwareImageInfo> createSoftwareImages() {
+        final List<VnfPackageSoftwareImageInfo> softwareImages = new ArrayList<>();
+        final VnfPackageSoftwareImageInfo vnfPackageSoftwareImageInfo = new VnfPackageSoftwareImageInfo();
+        vnfPackageSoftwareImageInfo.setId(VNFD_ID);
+        vnfPackageSoftwareImageInfo.setName(VNF_PRODUCT_NAME);
+        vnfPackageSoftwareImageInfo.setProvider("");
+        vnfPackageSoftwareImageInfo.setVersion("");
+        vnfPackageSoftwareImageInfo.setChecksum(createVnfPkgChecksum());
+        vnfPackageSoftwareImageInfo
+                .setContainerFormat(VnfPackageSoftwareImageInfo.ContainerFormatEnum.fromValue("AKI"));
+        softwareImages.add(vnfPackageSoftwareImageInfo);
+        return softwareImages;
+    }
+
+    private List<VnfPackageArtifactInfo> createAdditionalArtifacts() {
+        final List<VnfPackageArtifactInfo> vnfPackageArtifactInfos = new ArrayList<>();
+        final VnfPackageArtifactInfo vnfPackageArtifactInfo =
+                new VnfPackageArtifactInfo().artifactPath(ARTIFACT_PATH).checksum(createVnfPkgChecksum());
+        vnfPackageArtifactInfos.add(vnfPackageArtifactInfo);
+        return vnfPackageArtifactInfos;
+    }
+
+    private VNFPKGMLinkSerializer createVNFPKGMLinkSerializerLinks() {
+        final UriLink uriLink = new UriLink().href(URI_HREF);
+        final VNFPKGMLinkSerializer vnfpkgmLinkSerializer = new VNFPKGMLinkSerializer().self(uriLink);
+        return vnfpkgmLinkSerializer;
+    }
 }