Sync Integ to Master
[sdc.git] / catalog-be / src / main / java / org / openecomp / sdc / be / externalapi / servlet / AssetsDataServlet.java
index b995606..27f82df 100644 (file)
 
 package org.openecomp.sdc.be.externalapi.servlet;
 
-import java.io.ByteArrayInputStream;
-import java.io.InputStream;
-import java.util.EnumMap;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import javax.inject.Singleton;
-import javax.servlet.ServletContext;
-import javax.servlet.http.HttpServletRequest;
-import javax.ws.rs.GET;
-import javax.ws.rs.HeaderParam;
-import javax.ws.rs.Path;
-import javax.ws.rs.PathParam;
-import javax.ws.rs.Produces;
-import javax.ws.rs.QueryParam;
-import javax.ws.rs.core.Context;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.Response;
-
+import com.jcabi.aspects.Loggable;
+import fj.data.Either;
+import io.swagger.annotations.*;
 import org.apache.commons.lang3.tuple.ImmutablePair;
 import org.openecomp.sdc.be.components.impl.ComponentBusinessLogic;
 import org.openecomp.sdc.be.components.impl.ElementBusinessLogic;
@@ -61,14 +44,19 @@ import org.openecomp.sdc.exception.ResponseFormat;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import com.jcabi.aspects.Loggable;
-
-import fj.data.Either;
-import io.swagger.annotations.Api;
-import io.swagger.annotations.ApiOperation;
-import io.swagger.annotations.ApiParam;
-import io.swagger.annotations.ApiResponse;
-import io.swagger.annotations.ApiResponses;
+import javax.inject.Singleton;
+import javax.servlet.ServletContext;
+import javax.servlet.http.HttpServletRequest;
+import javax.ws.rs.*;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import java.io.ByteArrayInputStream;
+import java.io.InputStream;
+import java.util.EnumMap;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 
 /**
  * This Servlet serves external users for retrieving component metadata.
@@ -83,311 +71,299 @@ import io.swagger.annotations.ApiResponses;
 @Singleton
 public class AssetsDataServlet extends AbstractValidationsServlet {
 
-       @Context
-       private HttpServletRequest request;
-
-       private static Logger log = LoggerFactory.getLogger(AssetsDataServlet.class.getName());
-       
-       /**
-        * 
-        * @param requestId
-        * @param instanceIdHeader
-        * @param accept
-        * @param authorization
-        * @param assetType
-        * @param category
-        * @param subCategory
-        * @param distributionStatus
-        * @param resourceType
-        * @return
-        */
-       @GET
-       @Path("/{assetType}")
-       @Produces(MediaType.APPLICATION_JSON)
-       @ApiOperation(value = "Fetch list of assets", httpMethod = "GET", notes = "Returns list of assets")
-       @ApiResponses(value = {
-                       @ApiResponse(code = 200, message = "ECOMP component is authenticated and list of Catalog Assets Metadata is returned", response = AssetMetadata.class, responseContainer="List"),
-                       @ApiResponse(code = 400, message = "Missing  'X-ECOMP-InstanceID'  HTTP header - POL5001"),
-                       @ApiResponse(code = 401, message = "ECOMP component  should authenticate itself  and  to  re-send  again  HTTP  request  with its Basic Authentication credentials - POL5002"),
-                       @ApiResponse(code = 403, message = "ECOMP component is not authorized - POL5003"),
-                       @ApiResponse(code = 405, message = "Method  Not Allowed  :  Invalid HTTP method type used ( PUT,DELETE,POST will be rejected) - POL4050"),
-                       @ApiResponse(code = 500, message = "The GET request failed either due to internal SDC problem. ECOMP Component should continue the attempts to get the needed information - POL5000")})
-       public Response getAssetListExternal(
-                       @ApiParam(value = "X-ECOMP-RequestID header", required = false)@HeaderParam(value = Constants.X_ECOMP_REQUEST_ID_HEADER) String requestId,
-                       @ApiParam(value = "X-ECOMP-InstanceID header", required = true)@HeaderParam(value = Constants.X_ECOMP_INSTANCE_ID_HEADER) final String instanceIdHeader,
-                       @ApiParam(value = "Determines the format of the body of the response", required = false)@HeaderParam(value = Constants.ACCEPT_HEADER) String accept,
-                       @ApiParam(value = "The username and password", required = true)@HeaderParam(value = Constants.AUTHORIZATION_HEADER) String authorization,
-                       @ApiParam(value = "The requested asset type", required = true, allowableValues = "resources, services")@PathParam("assetType") final String assetType, 
-                       @ApiParam(value = "The filter key (resourceType only for resources)", required = false)@QueryParam("category") String category, 
-                       @ApiParam(value = "The filter key (resourceType only for resources)", required = false)@QueryParam("subCategory") String subCategory, 
-                       @ApiParam(value = "The filter key (resourceType only for resources)", required = false)@QueryParam("distributionStatus") String distributionStatus,
-                       @ApiParam(value = "The filter key (resourceType only for resources)", required = false)@QueryParam("resourceType") String resourceType) {
-
-               Response response = null;
-               ResponseFormat responseFormat = null;
-               String query = request.getQueryString();
-               String requestURI = request.getRequestURI().endsWith("/")?
-                               removeDuplicateSlashSeparator(request.getRequestURI()): request.getRequestURI();
-               String url = request.getMethod() + " " + requestURI;
-               log.debug("Start handle request of {}", url);
-
-               AuditingActionEnum auditingActionEnum = query == null ? AuditingActionEnum.GET_ASSET_LIST : AuditingActionEnum.GET_FILTERED_ASSET_LIST;
-
-               EnumMap<AuditingFieldsKeysEnum, Object> additionalParam = new EnumMap<AuditingFieldsKeysEnum, Object>(AuditingFieldsKeysEnum.class);
-               additionalParam.put(AuditingFieldsKeysEnum.AUDIT_DISTRIBUTION_CONSUMER_ID, instanceIdHeader);
-               additionalParam.put(AuditingFieldsKeysEnum.AUDIT_DISTRIBUTION_RESOURCE_URL, query == null ? requestURI : requestURI + "?" + query);
-
-               // Mandatory
-               if (instanceIdHeader == null || instanceIdHeader.isEmpty()) {
-                       log.debug("getAssetList: Missing X-ECOMP-InstanceID header");
-                       responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.MISSING_X_ECOMP_INSTANCE_ID);
-                       getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
-                       return buildErrorResponse(responseFormat);
-               }
-
-               try {
-                       ServletContext context = request.getSession().getServletContext();
-                       ElementBusinessLogic elementLogic = getElementBL(context);
-
-                       AssetMetadataConverter assetMetadataUtils = getAssetUtils(context);
-                       Map<FilterKeyEnum, String> filters = new EnumMap<>(FilterKeyEnum.class);
-
-                       if (category != null) {
-                               filters.put(FilterKeyEnum.CATEGORY, category);
-                       }
-                       if (subCategory != null) {
-                               filters.put(FilterKeyEnum.SUB_CATEGORY, subCategory);
-                       }
-                       if (distributionStatus != null) {
-                               filters.put(FilterKeyEnum.DISTRIBUTION_STATUS, distributionStatus);
-                       }
-                       if (resourceType != null) {
-                               ResourceTypeEnum resourceTypeEnum = ResourceTypeEnum.getTypeIgnoreCase(resourceType);
-                               if (resourceTypeEnum == null) {
-                                       log.debug("getAssetList: Asset Fetching Failed. Invalid resource type was received");
-                                       responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.INVALID_CONTENT);
-                                       getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
-                                       return buildErrorResponse(responseFormat);
-                               }
-                               filters.put(FilterKeyEnum.RESOURCE_TYPE, resourceTypeEnum.name());
-                       }
-
-                       Either<List<? extends Component>, ResponseFormat> assetTypeData = elementLogic.getFilteredCatalogComponents(assetType, filters, query);
-
-                       if (assetTypeData.isRight()) {
-                               log.debug("getAssetList: Asset Fetching Failed");
-                               responseFormat = assetTypeData.right().value();
-                               getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
-                               return buildErrorResponse(responseFormat);
-                       } else {
-                               log.debug("getAssetList: Asset Fetching Success");
-                               Either<List<? extends AssetMetadata>, ResponseFormat> resMetadata = assetMetadataUtils.convertToAssetMetadata(assetTypeData.left().value(), requestURI, false);
-                               if (resMetadata.isRight()) {
-                                       log.debug("getAssetList: Asset conversion Failed");
-                                       responseFormat = resMetadata.right().value();
-                                       getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
-                                       return buildErrorResponse(responseFormat);
-                               }
-                               Object result = RepresentationUtils.toRepresentation(resMetadata.left().value());
-                               responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.OK);
-                               getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
-
-                               response = buildOkResponse(responseFormat, result);
-                               return response;
-                       }
-               } catch (Exception e) {
-                       BeEcompErrorManager.getInstance().logBeRestApiGeneralError("Fetch filtered list of assets");
-                       log.debug("getAssetList: Fetch list of assets failed with exception", e);
-                       return buildErrorResponse(getComponentsUtils().getResponseFormat(ActionStatus.GENERAL_ERROR));
-               }
-       }
-       
-       /**
-        * 
-        * @param requestId
-        * @param instanceIdHeader
-        * @param accept
-        * @param authorization
-        * @param assetType
-        * @param uuid
-        * @return
-        */
-       @GET
-       @Path("/{assetType}/{uuid}/metadata")
-       @Produces(MediaType.APPLICATION_JSON)
-       @ApiOperation(value = "Detailed metadata of asset by uuid", httpMethod = "GET", notes = "Returns detailed metadata of an asset by uuid")
-       @ApiResponses(value = {
-                       @ApiResponse(code = 200, message = "ECOMP component is authenticated and list of Catalog Assets Metadata is returned", response = AssetMetadata.class, responseContainer="List"),
-                       @ApiResponse(code = 400, message = "Missing  'X-ECOMP-InstanceID'  HTTP header - POL5001"),
-                       @ApiResponse(code = 401, message = "ECOMP component  should authenticate itself  and  to  re-send  again  HTTP  request  with its Basic Authentication credentials - POL5002"),
-                       @ApiResponse(code = 403, message = "ECOMP component is not authorized - POL5003"),
-                       @ApiResponse(code = 404, message = "Error: Requested '%1' (uuid) resource was not found - SVC4063"),
-                       @ApiResponse(code = 405, message = "Method  Not Allowed  :  Invalid HTTP method type used ( PUT,DELETE,POST will be rejected) - POL4050"),
-                       @ApiResponse(code = 500, message = "The GET request failed either due to internal SDC problem. ECOMP Component should continue the attempts to get the needed information - POL5000")})
-       public Response getAssetSpecificMetadataByUuidExternal(
-                       @ApiParam(value = "X-ECOMP-RequestID header", required = false)@HeaderParam(value = Constants.X_ECOMP_REQUEST_ID_HEADER) String requestId,
-                       @ApiParam(value = "X-ECOMP-InstanceID header", required = true)@HeaderParam(value = Constants.X_ECOMP_INSTANCE_ID_HEADER) final String instanceIdHeader,
-                       @ApiParam(value = "Determines the format of the body of the response", required = false)@HeaderParam(value = Constants.ACCEPT_HEADER) String accept,
-                       @ApiParam(value = "The username and password", required = true)@HeaderParam(value = Constants.AUTHORIZATION_HEADER) String authorization,
-                       @ApiParam(value = "The requested asset type", required = true, allowableValues = "resources, services")@PathParam("assetType") final String assetType, 
-                       @ApiParam(value = "The requested asset uuid", required = true)@PathParam("uuid") final String uuid) {
-
-               Response response = null;
-               ResponseFormat responseFormat = null;
-               AuditingActionEnum auditingActionEnum = AuditingActionEnum.GET_ASSET_METADATA;
-               String requestURI = request.getRequestURI();
-               String url = request.getMethod() + " " + requestURI;
-               log.debug("Start handle request of {}", url);
-
-               EnumMap<AuditingFieldsKeysEnum, Object> additionalParam = new EnumMap<>(AuditingFieldsKeysEnum.class);
-               ComponentTypeEnum componentType = ComponentTypeEnum.findByParamName(assetType);
-               additionalParam.put(AuditingFieldsKeysEnum.AUDIT_DISTRIBUTION_CONSUMER_ID, instanceIdHeader);
-               additionalParam.put(AuditingFieldsKeysEnum.AUDIT_DISTRIBUTION_RESOURCE_URL, requestURI);
-               additionalParam.put(AuditingFieldsKeysEnum.AUDIT_SERVICE_INSTANCE_ID, uuid);
-               if (componentType == null) {
-                       log.debug("getMetaData: assetType parameter {} is not valid", assetType);
-                       responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.INVALID_CONTENT);
-                       return buildErrorResponse(responseFormat);
-               }
-               additionalParam.put(AuditingFieldsKeysEnum.AUDIT_RESOURCE_TYPE, componentType.getValue());
-
-               // Mandatory
-               if (instanceIdHeader == null || instanceIdHeader.isEmpty()) {
-                       log.debug("getAssetList: Missing X-ECOMP-InstanceID header");
-                       responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.MISSING_X_ECOMP_INSTANCE_ID);
-                       getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
-                       return buildErrorResponse(responseFormat);
-               }
-
-               try {
-                       ServletContext context = request.getSession().getServletContext();
-                       ElementBusinessLogic elementLogic = getElementBL(context);
-                       AssetMetadataConverter assetMetadataUtils = getAssetUtils(context);
-
-                       Either<List<? extends Component>, ResponseFormat> assetTypeData = elementLogic.getCatalogComponentsByUuidAndAssetType(assetType, uuid);
-
-                       if (assetTypeData.isRight()) {
-                               log.debug("getAssetList: Asset Fetching Failed");
-                               responseFormat = assetTypeData.right().value();
-                               getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
-
-                               return buildErrorResponse(responseFormat);
-                       } else {
-                               log.debug("getAssetList: Asset Fetching Success");
-                               additionalParam.put(AuditingFieldsKeysEnum.AUDIT_RESOURCE_NAME, assetTypeData.left().value().iterator().next().getName());
-                               Either<List<? extends AssetMetadata>, ResponseFormat> resMetadata = assetMetadataUtils.convertToAssetMetadata(assetTypeData.left().value(), requestURI, true);
-                               if (resMetadata.isRight()) {
-                                       log.debug("getAssetList: Asset conversion Failed");
-                                       responseFormat = resMetadata.right().value();
-                                       getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
-                                       return buildErrorResponse(responseFormat);
-                               }
-                               Object result = RepresentationUtils.toRepresentation(resMetadata.left().value().iterator().next());
-                               responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.OK);
-                               getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
-
-                               response = buildOkResponse(responseFormat, result);
-                               return response;
-                       }
-               } catch (Exception e) {
-                       BeEcompErrorManager.getInstance().logBeRestApiGeneralError("Fetch filtered list of assets");
-                       log.debug("getAssetList: Fetch list of assets failed with exception", e);
-                       return buildErrorResponse(getComponentsUtils().getResponseFormat(ActionStatus.GENERAL_ERROR));
-               }
-       }
-       
-       /**
-        * 
-        * @param requestId
-        * @param instanceIdHeader
-        * @param accept
-        * @param authorization
-        * @param assetType
-        * @param uuid
-        * @return
-        */
-       @GET
-       @Path("/{assetType}/{uuid}/toscaModel")
-       @Produces(MediaType.APPLICATION_OCTET_STREAM)
-       @ApiOperation(value = "Fetch assets CSAR", httpMethod = "GET", notes = "Returns asset csar", response = String.class)
-       @ApiResponses(value = {
-                       @ApiResponse(code = 200, message = "ECOMP component is authenticated and list of Catalog Assets Metadata is returned", response = String.class),
-                       @ApiResponse(code = 400, message = "Missing  'X-ECOMP-InstanceID'  HTTP header - POL5001"),
-                       @ApiResponse(code = 401, message = "ECOMP component  should authenticate itself  and  to  re-send  again  HTTP  request  with its Basic Authentication credentials - POL5002"),
-                       @ApiResponse(code = 403, message = "ECOMP component is not authorized - POL5003"),
-                       @ApiResponse(code = 404, message = "Error: Requested '%1' (uuid) resource was not found - SVC4063"),
-                       @ApiResponse(code = 405, message = "Method  Not Allowed  :  Invalid HTTP method type used ( PUT,DELETE,POST will be rejected) - POL4050"),
-                       @ApiResponse(code = 500, message = "The GET request failed either due to internal SDC problem. ECOMP Component should continue the attempts to get the needed information - POL5000")})
-       public Response getToscaModelExternal(
-                       @ApiParam(value = "X-ECOMP-RequestID header", required = false)@HeaderParam(value = Constants.X_ECOMP_REQUEST_ID_HEADER) String requestId,
-                       @ApiParam(value = "X-ECOMP-InstanceID header", required = true)@HeaderParam(value = Constants.X_ECOMP_INSTANCE_ID_HEADER) final String instanceIdHeader,
-                       @ApiParam(value = "Determines the format of the body of the response", required = false)@HeaderParam(value = Constants.ACCEPT_HEADER) String accept,
-                       @ApiParam(value = "The username and password", required = true)@HeaderParam(value = Constants.AUTHORIZATION_HEADER) String authorization,
-                       @ApiParam(value = "The requested asset type", required = true, allowableValues = "resources, services")@PathParam("assetType") final String assetType, 
-                       @ApiParam(value = "The requested asset uuid", required = true)@PathParam("uuid") final String uuid) {
-
-               String url = request.getRequestURI();
-               log.debug("Start handle request of {} {}", request.getMethod(), url);
-               Response response = null;
-               ResponseFormat responseFormat = null;
-               ServletContext context = request.getSession().getServletContext();
-               ComponentTypeEnum componentType = ComponentTypeEnum.findByParamName(assetType);
-               AuditingActionEnum auditingActionEnum = AuditingActionEnum.GET_TOSCA_MODEL;
-               EnumMap<AuditingFieldsKeysEnum, Object> additionalParam = new EnumMap<AuditingFieldsKeysEnum, Object>(AuditingFieldsKeysEnum.class);
-               additionalParam.put(AuditingFieldsKeysEnum.AUDIT_DISTRIBUTION_CONSUMER_ID, instanceIdHeader);
-               additionalParam.put(AuditingFieldsKeysEnum.AUDIT_DISTRIBUTION_RESOURCE_URL, url);
-               additionalParam.put(AuditingFieldsKeysEnum.AUDIT_SERVICE_INSTANCE_ID, uuid);
-               
-               if (componentType == null) {
-                       log.debug("getToscaModel: assetType parameter {} is not valid", assetType);
-                       responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.INVALID_CONTENT);
-                       return buildErrorResponse(responseFormat);
-               }
-               additionalParam.put(AuditingFieldsKeysEnum.AUDIT_RESOURCE_TYPE, componentType.getValue());
-
-
-               if (instanceIdHeader == null || instanceIdHeader.isEmpty()) {
-                       log.debug("getToscaModel: Missing X-ECOMP-InstanceID header");
-                       responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.MISSING_X_ECOMP_INSTANCE_ID);
-                       getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
-                       return buildErrorResponse(responseFormat);
-               }
-
-               try {
-                       ComponentBusinessLogic componentBL = getComponentBL(componentType, context);
-
-                       Either<ImmutablePair<String, byte[]>, ResponseFormat> csarArtifact = componentBL.getToscaModelByComponentUuid(componentType, uuid, additionalParam);
-                       if (csarArtifact.isRight()) {
-                               responseFormat = csarArtifact.right().value();
-                               getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
-                               response = buildErrorResponse(responseFormat);
-                       } else {
-                               byte[] value = csarArtifact.left().value().getRight();
-                               InputStream is = new ByteArrayInputStream(value);
-                               String contenetMD5 = GeneralUtility.calculateMD5Base64EncodedByByteArray(value);
-                               Map<String, String> headers = new HashMap<>();
-                               headers.put(Constants.CONTENT_DISPOSITION_HEADER, getContentDispositionValue(csarArtifact.left().value().getLeft()));
-                               headers.put(Constants.MD5_HEADER, contenetMD5);
-                               responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.OK);
-                               getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
-                               response = buildOkResponse(responseFormat, is, headers);
-                       }
-                       return response;
-
-               } catch (Exception e) {
-                       BeEcompErrorManager.getInstance().logBeRestApiGeneralError("Get asset tosca model");
-                       log.debug("falied to get asset tosca model", e);
-                       responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.GENERAL_ERROR);
-                       response = buildErrorResponse(responseFormat);
-                       getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
-                       return response;
-               }
-       }
-
-
-       private String removeDuplicateSlashSeparator(String requestUri) {
-               return requestUri.substring(0, requestUri.length()-1);
-       }
+    @Context
+    private HttpServletRequest request;
+
+    private static final Logger log = LoggerFactory.getLogger(AssetsDataServlet.class);
+
+    /**
+     *
+     * @param requestId
+     * @param instanceIdHeader
+     * @param accept
+     * @param authorization
+     * @param assetType
+     * @param category
+     * @param subCategory
+     * @param distributionStatus
+     * @param resourceType
+     * @return
+     */
+    @GET
+    @Path("/{assetType}")
+    @Produces(MediaType.APPLICATION_JSON)
+    @ApiOperation(value = "Fetch list of assets", httpMethod = "GET", notes = "Returns list of assets")
+    @ApiResponses(value = {
+            @ApiResponse(code = 200, message = "ECOMP component is authenticated and list of Catalog Assets Metadata is returned", response = AssetMetadata.class, responseContainer="List"),
+            @ApiResponse(code = 400, message = "Missing  'X-ECOMP-InstanceID'  HTTP header - POL5001"),
+            @ApiResponse(code = 401, message = "ECOMP component  should authenticate itself  and  to  re-send  again  HTTP  request  with its Basic Authentication credentials - POL5002"),
+            @ApiResponse(code = 403, message = "ECOMP component is not authorized - POL5003"),
+            @ApiResponse(code = 405, message = "Method  Not Allowed  :  Invalid HTTP method type used ( PUT,DELETE,POST will be rejected) - POL4050"),
+            @ApiResponse(code = 500, message = "The GET request failed either due to internal SDC problem. ECOMP Component should continue the attempts to get the needed information - POL5000")})
+    public Response getAssetListExternal(
+            @ApiParam(value = "X-ECOMP-RequestID header", required = false)@HeaderParam(value = Constants.X_ECOMP_REQUEST_ID_HEADER) String requestId,
+            @ApiParam(value = "X-ECOMP-InstanceID header", required = true)@HeaderParam(value = Constants.X_ECOMP_INSTANCE_ID_HEADER) final String instanceIdHeader,
+            @ApiParam(value = "Determines the format of the body of the response", required = false)@HeaderParam(value = Constants.ACCEPT_HEADER) String accept,
+            @ApiParam(value = "The username and password", required = true)@HeaderParam(value = Constants.AUTHORIZATION_HEADER) String authorization,
+            @ApiParam(value = "The requested asset type", required = true, allowableValues = "resources, services")@PathParam("assetType") final String assetType,
+            @ApiParam(value = "The filter key (resourceType only for resources)", required = false)@QueryParam("category") String category,
+            @ApiParam(value = "The filter key (resourceType only for resources)", required = false)@QueryParam("subCategory") String subCategory,
+            @ApiParam(value = "The filter key (resourceType only for resources)", required = false)@QueryParam("distributionStatus") String distributionStatus,
+            @ApiParam(value = "The filter key (resourceType only for resources)", required = false)@QueryParam("resourceType") String resourceType) {
+
+        Response response = null;
+        ResponseFormat responseFormat = null;
+        String query = request.getQueryString();
+        String requestURI = request.getRequestURI().endsWith("/")?
+                removeDuplicateSlashSeparator(request.getRequestURI()): request.getRequestURI();
+        String url = request.getMethod() + " " + requestURI;
+        log.debug("Start handle request of {}", url);
+
+        AuditingActionEnum auditingActionEnum = query == null ? AuditingActionEnum.GET_ASSET_LIST : AuditingActionEnum.GET_FILTERED_ASSET_LIST;
+
+        EnumMap<AuditingFieldsKeysEnum, Object> additionalParam = new EnumMap<AuditingFieldsKeysEnum, Object>(AuditingFieldsKeysEnum.class);
+        additionalParam.put(AuditingFieldsKeysEnum.AUDIT_DISTRIBUTION_CONSUMER_ID, instanceIdHeader);
+        additionalParam.put(AuditingFieldsKeysEnum.AUDIT_DISTRIBUTION_RESOURCE_URL, query == null ? requestURI : requestURI + "?" + query);
+
+        // Mandatory
+        if (instanceIdHeader == null || instanceIdHeader.isEmpty()) {
+            log.debug("getAssetList: Missing X-ECOMP-InstanceID header");
+            responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.MISSING_X_ECOMP_INSTANCE_ID);
+            getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
+            return buildErrorResponse(responseFormat);
+        }
+
+        try {
+            ServletContext context = request.getSession().getServletContext();
+            ElementBusinessLogic elementLogic = getElementBL(context);
+
+            AssetMetadataConverter assetMetadataUtils = getAssetUtils(context);
+            Map<FilterKeyEnum, String> filters = new EnumMap<>(FilterKeyEnum.class);
+
+            if (category != null) {
+                filters.put(FilterKeyEnum.CATEGORY, category);
+            }
+            if (subCategory != null) {
+                filters.put(FilterKeyEnum.SUB_CATEGORY, subCategory);
+            }
+            if (distributionStatus != null) {
+                filters.put(FilterKeyEnum.DISTRIBUTION_STATUS, distributionStatus);
+            }
+            if (resourceType != null) {
+                ResourceTypeEnum resourceTypeEnum = ResourceTypeEnum.getTypeIgnoreCase(resourceType);
+                if (resourceTypeEnum == null) {
+                    log.debug("getAssetList: Asset Fetching Failed. Invalid resource type was received");
+                    responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.INVALID_CONTENT);
+                    getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
+                    return buildErrorResponse(responseFormat);
+                }
+                filters.put(FilterKeyEnum.RESOURCE_TYPE, resourceTypeEnum.name());
+            }
+
+            Either<List<? extends Component>, ResponseFormat> assetTypeData = elementLogic.getFilteredCatalogComponents(assetType, filters, query);
+
+            if (assetTypeData.isRight()) {
+                log.debug("getAssetList: Asset Fetching Failed");
+                responseFormat = assetTypeData.right().value();
+                getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
+                return buildErrorResponse(responseFormat);
+            } else {
+                log.debug("getAssetList: Asset Fetching Success");
+                Either<List<? extends AssetMetadata>, ResponseFormat> resMetadata = assetMetadataUtils.convertToAssetMetadata(assetTypeData.left().value(), requestURI, false);
+                if (resMetadata.isRight()) {
+                    log.debug("getAssetList: Asset conversion Failed");
+                    responseFormat = resMetadata.right().value();
+                    getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
+                    return buildErrorResponse(responseFormat);
+                }
+                Object result = RepresentationUtils.toRepresentation(resMetadata.left().value());
+                responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.OK);
+                getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
+
+                response = buildOkResponse(responseFormat, result);
+                return response;
+            }
+        } catch (Exception e) {
+            BeEcompErrorManager.getInstance().logBeRestApiGeneralError("Fetch filtered list of assets");
+            log.debug("getAssetList: Fetch list of assets failed with exception", e);
+            return buildErrorResponse(getComponentsUtils().getResponseFormat(ActionStatus.GENERAL_ERROR));
+        }
+    }
+
+    /**
+     *
+     * @param requestId
+     * @param instanceIdHeader
+     * @param accept
+     * @param authorization
+     * @param assetType
+     * @param uuid
+     * @return
+     */
+    @GET
+    @Path("/{assetType}/{uuid}/metadata")
+    @Produces(MediaType.APPLICATION_JSON)
+    @ApiOperation(value = "Detailed metadata of asset by uuid", httpMethod = "GET", notes = "Returns detailed metadata of an asset by uuid")
+    @ApiResponses(value = {
+            @ApiResponse(code = 200, message = "ECOMP component is authenticated and list of Catalog Assets Metadata is returned", response = AssetMetadata.class, responseContainer="List"),
+            @ApiResponse(code = 400, message = "Missing  'X-ECOMP-InstanceID'  HTTP header - POL5001"),
+            @ApiResponse(code = 401, message = "ECOMP component  should authenticate itself  and  to  re-send  again  HTTP  request  with its Basic Authentication credentials - POL5002"),
+            @ApiResponse(code = 403, message = "ECOMP component is not authorized - POL5003"),
+            @ApiResponse(code = 404, message = "Error: Requested '%1' (uuid) resource was not found - SVC4063"),
+            @ApiResponse(code = 405, message = "Method  Not Allowed  :  Invalid HTTP method type used ( PUT,DELETE,POST will be rejected) - POL4050"),
+            @ApiResponse(code = 500, message = "The GET request failed either due to internal SDC problem. ECOMP Component should continue the attempts to get the needed information - POL5000")})
+    public Response getAssetSpecificMetadataByUuidExternal(
+            @ApiParam(value = "X-ECOMP-RequestID header", required = false)@HeaderParam(value = Constants.X_ECOMP_REQUEST_ID_HEADER) String requestId,
+            @ApiParam(value = "X-ECOMP-InstanceID header", required = true)@HeaderParam(value = Constants.X_ECOMP_INSTANCE_ID_HEADER) final String instanceIdHeader,
+            @ApiParam(value = "Determines the format of the body of the response", required = false)@HeaderParam(value = Constants.ACCEPT_HEADER) String accept,
+            @ApiParam(value = "The username and password", required = true)@HeaderParam(value = Constants.AUTHORIZATION_HEADER) String authorization,
+            @ApiParam(value = "The requested asset type", required = true, allowableValues = "resources, services")@PathParam("assetType") final String assetType,
+            @ApiParam(value = "The requested asset uuid", required = true)@PathParam("uuid") final String uuid) {
+
+        Response response = null;
+        ResponseFormat responseFormat = null;
+        AuditingActionEnum auditingActionEnum = AuditingActionEnum.GET_ASSET_METADATA;
+        String requestURI = request.getRequestURI();
+        String url = request.getMethod() + " " + requestURI;
+        log.debug("Start handle request of {}", url);
+
+        EnumMap<AuditingFieldsKeysEnum, Object> additionalParam = new EnumMap<>(AuditingFieldsKeysEnum.class);
+        ComponentTypeEnum componentType = ComponentTypeEnum.findByParamName(assetType);
+        additionalParam.put(AuditingFieldsKeysEnum.AUDIT_DISTRIBUTION_CONSUMER_ID, instanceIdHeader);
+        additionalParam.put(AuditingFieldsKeysEnum.AUDIT_DISTRIBUTION_RESOURCE_URL, requestURI);
+        additionalParam.put(AuditingFieldsKeysEnum.AUDIT_RESOURCE_TYPE, componentType.getValue());
+        additionalParam.put(AuditingFieldsKeysEnum.AUDIT_SERVICE_INSTANCE_ID, uuid);
+
+        // Mandatory
+        if (instanceIdHeader == null || instanceIdHeader.isEmpty()) {
+            log.debug("getAssetList: Missing X-ECOMP-InstanceID header");
+            responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.MISSING_X_ECOMP_INSTANCE_ID);
+            getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
+            return buildErrorResponse(responseFormat);
+        }
+
+        try {
+            ServletContext context = request.getSession().getServletContext();
+            ElementBusinessLogic elementLogic = getElementBL(context);
+            AssetMetadataConverter assetMetadataUtils = getAssetUtils(context);
+
+            Either<List<? extends Component>, ResponseFormat> assetTypeData = elementLogic.getCatalogComponentsByUuidAndAssetType(assetType, uuid);
+
+            if (assetTypeData.isRight()) {
+                log.debug("getAssetList: Asset Fetching Failed");
+                responseFormat = assetTypeData.right().value();
+                getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
+
+                return buildErrorResponse(responseFormat);
+            } else {
+                log.debug("getAssetList: Asset Fetching Success");
+                additionalParam.put(AuditingFieldsKeysEnum.AUDIT_RESOURCE_NAME, assetTypeData.left().value().iterator().next().getName());
+                Either<List<? extends AssetMetadata>, ResponseFormat> resMetadata = assetMetadataUtils.convertToAssetMetadata(assetTypeData.left().value(), requestURI, true);
+                if (resMetadata.isRight()) {
+                    log.debug("getAssetList: Asset conversion Failed");
+                    responseFormat = resMetadata.right().value();
+                    getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
+                    return buildErrorResponse(responseFormat);
+                }
+                Object result = RepresentationUtils.toRepresentation(resMetadata.left().value().iterator().next());
+                responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.OK);
+                getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
+
+                response = buildOkResponse(responseFormat, result);
+                return response;
+            }
+        } catch (Exception e) {
+            BeEcompErrorManager.getInstance().logBeRestApiGeneralError("Fetch filtered list of assets");
+            log.debug("getAssetList: Fetch list of assets failed with exception", e);
+            return buildErrorResponse(getComponentsUtils().getResponseFormat(ActionStatus.GENERAL_ERROR));
+        }
+    }
+
+    /**
+     *
+     * @param requestId
+     * @param instanceIdHeader
+     * @param accept
+     * @param authorization
+     * @param assetType
+     * @param uuid
+     * @return
+     */
+    @GET
+    @Path("/{assetType}/{uuid}/toscaModel")
+    @Produces(MediaType.APPLICATION_OCTET_STREAM)
+    @ApiOperation(value = "Fetch assets CSAR", httpMethod = "GET", notes = "Returns asset csar", response = String.class)
+    @ApiResponses(value = {
+            @ApiResponse(code = 200, message = "ECOMP component is authenticated and list of Catalog Assets Metadata is returned", response = String.class),
+            @ApiResponse(code = 400, message = "Missing  'X-ECOMP-InstanceID'  HTTP header - POL5001"),
+            @ApiResponse(code = 401, message = "ECOMP component  should authenticate itself  and  to  re-send  again  HTTP  request  with its Basic Authentication credentials - POL5002"),
+            @ApiResponse(code = 403, message = "ECOMP component is not authorized - POL5003"),
+            @ApiResponse(code = 404, message = "Error: Requested '%1' (uuid) resource was not found - SVC4063"),
+            @ApiResponse(code = 405, message = "Method  Not Allowed  :  Invalid HTTP method type used ( PUT,DELETE,POST will be rejected) - POL4050"),
+            @ApiResponse(code = 500, message = "The GET request failed either due to internal SDC problem. ECOMP Component should continue the attempts to get the needed information - POL5000")})
+    public Response getToscaModelExternal(
+            @ApiParam(value = "X-ECOMP-RequestID header", required = false)@HeaderParam(value = Constants.X_ECOMP_REQUEST_ID_HEADER) String requestId,
+            @ApiParam(value = "X-ECOMP-InstanceID header", required = true)@HeaderParam(value = Constants.X_ECOMP_INSTANCE_ID_HEADER) final String instanceIdHeader,
+            @ApiParam(value = "Determines the format of the body of the response", required = false)@HeaderParam(value = Constants.ACCEPT_HEADER) String accept,
+            @ApiParam(value = "The username and password", required = true)@HeaderParam(value = Constants.AUTHORIZATION_HEADER) String authorization,
+            @ApiParam(value = "The requested asset type", required = true, allowableValues = "resources, services")@PathParam("assetType") final String assetType,
+            @ApiParam(value = "The requested asset uuid", required = true)@PathParam("uuid") final String uuid) {
+
+        String url = request.getRequestURI();
+        log.debug("Start handle request of {} {}", request.getMethod(), url);
+        Response response = null;
+        ResponseFormat responseFormat = null;
+        ServletContext context = request.getSession().getServletContext();
+        ComponentTypeEnum componentType = ComponentTypeEnum.findByParamName(assetType);
+        AuditingActionEnum auditingActionEnum = AuditingActionEnum.GET_TOSCA_MODEL;
+        EnumMap<AuditingFieldsKeysEnum, Object> additionalParam = new EnumMap<AuditingFieldsKeysEnum, Object>(AuditingFieldsKeysEnum.class);
+        additionalParam.put(AuditingFieldsKeysEnum.AUDIT_DISTRIBUTION_CONSUMER_ID, instanceIdHeader);
+        additionalParam.put(AuditingFieldsKeysEnum.AUDIT_DISTRIBUTION_RESOURCE_URL, url);
+        additionalParam.put(AuditingFieldsKeysEnum.AUDIT_RESOURCE_TYPE, componentType.getValue());
+        additionalParam.put(AuditingFieldsKeysEnum.AUDIT_SERVICE_INSTANCE_ID, uuid);
+
+        if (instanceIdHeader == null || instanceIdHeader.isEmpty()) {
+            log.debug("getToscaModel: Missing X-ECOMP-InstanceID header");
+            responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.MISSING_X_ECOMP_INSTANCE_ID);
+            getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
+            return buildErrorResponse(responseFormat);
+        }
+
+        try {
+            ComponentBusinessLogic componentBL = getComponentBL(componentType, context);
+
+            Either<ImmutablePair<String, byte[]>, ResponseFormat> csarArtifact = componentBL.getToscaModelByComponentUuid(componentType, uuid, additionalParam);
+            if (csarArtifact.isRight()) {
+                responseFormat = csarArtifact.right().value();
+                getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
+                response = buildErrorResponse(responseFormat);
+            } else {
+                byte[] value = csarArtifact.left().value().getRight();
+                InputStream is = new ByteArrayInputStream(value);
+                String contenetMD5 = GeneralUtility.calculateMD5Base64EncodedByByteArray(value);
+                Map<String, String> headers = new HashMap<>();
+                headers.put(Constants.CONTENT_DISPOSITION_HEADER, getContentDispositionValue(csarArtifact.left().value().getLeft()));
+                headers.put(Constants.MD5_HEADER, contenetMD5);
+                responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.OK);
+                getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
+                response = buildOkResponse(responseFormat, is, headers);
+            }
+            return response;
+
+        } catch (Exception e) {
+            BeEcompErrorManager.getInstance().logBeRestApiGeneralError("Get asset tosca model");
+            log.debug("falied to get asset tosca model", e);
+            responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.GENERAL_ERROR);
+            response = buildErrorResponse(responseFormat);
+            getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, additionalParam);
+            return response;
+        }
+    }
+
+
+    private String removeDuplicateSlashSeparator(String requestUri) {
+        return requestUri.substring(0, requestUri.length()-1);
+    }
 
 
 }