feat(irs-api): Fix DiscoveryResponse

irs-api/src/main/java/org/eclipse/tractusx/irs/aaswrapper/registry/domain/DecentralDigitalTwinRegistryService.java

@@ -50,7 +50,8 @@ public AssetAdministrationShellDescriptor getAAShellDescriptor(final DigitalTwin
         log.info("Retrieved AAS Identification for DigitalTwinRegistryKey: {}", key);
         final DiscoveryFinderRequest onlyBpn = new DiscoveryFinderRequest(List.of("bpn"));
         final List<String> providedBpn = List.of(key.bpn());
-        final List<DiscoveryEndpoint> discoveryEndpoints = discoveryFinderClient.findDiscoveryEndpoints(onlyBpn);
+        final List<DiscoveryEndpoint> discoveryEndpoints = discoveryFinderClient.findDiscoveryEndpoints(onlyBpn)
+                                                                                .endpoints();
         final List<String> connectorEndpoints = discoveryEndpoints.stream()
                                                                   .map(discoveryEndpoint -> discoveryFinderClient.findConnectorEndpoints(
                                                                                                                          discoveryEndpoint.endpointAddress(),

irs-api/src/main/java/org/eclipse/tractusx/irs/aaswrapper/registry/domain/DiscoveryEndpoint.java

@@ -23,7 +23,7 @@
 package org.eclipse.tractusx.irs.aaswrapper.registry.domain;
 
 /**
- * A result of finding Discovery Endpoint
+ * A single Discovery Endpoint.
  */
 public record DiscoveryEndpoint(String type, String description, String endpointAddress, String documentation,
                                 String resourceId) {

irs-api/src/main/java/org/eclipse/tractusx/irs/aaswrapper/registry/domain/DiscoveryFinderClient.java

@@ -37,7 +37,8 @@
  */
 public interface DiscoveryFinderClient {
 
-    List<DiscoveryEndpoint> findDiscoveryEndpoints(DiscoveryFinderRequest request);
+    DiscoveryResponse findDiscoveryEndpoints(DiscoveryFinderRequest request);
+
     List<EdcDiscoveryResult> findConnectorEndpoints(String endpointAddress, List<String> bpns);
 
 }
@@ -61,14 +62,16 @@ class DiscoveryFinderClientImpl implements DiscoveryFinderClient {
 
     @Override
     @Retry(name = "registry")
-    public List<DiscoveryEndpoint> findDiscoveryEndpoints(final DiscoveryFinderRequest request) {
-        return restTemplate.postForObject(discoveryFinderUrl, request, List.class);
+    public DiscoveryResponse findDiscoveryEndpoints(final DiscoveryFinderRequest request) {
+        return restTemplate.postForObject(discoveryFinderUrl, request, DiscoveryResponse.class);
     }
 
     @Override
     @Retry(name = "registry")
-    public List<EdcDiscoveryResult> findConnectorEndpoints(final String endpointAddress,
-            final List<String> bpns) {
-        return restTemplate.postForObject(endpointAddress, bpns, List.class);
+    public List<EdcDiscoveryResult> findConnectorEndpoints(final String endpointAddress, final List<String> bpns) {
+        final EdcDiscoveryResult[] edcDiscoveryResults = restTemplate.postForObject(endpointAddress, bpns,
+                EdcDiscoveryResult[].class);
+
+        return edcDiscoveryResults == null ? List.of() : List.of(edcDiscoveryResults);
     }
 }

irs-api/src/main/java/org/eclipse/tractusx/irs/aaswrapper/registry/domain/DiscoveryResponse.java

@@ -0,0 +1,31 @@
+/********************************************************************************
+ * Copyright (c) 2021,2022,2023
+ *       2022: ZF Friedrichshafen AG
+ *       2022: ISTOS GmbH
+ *       2022,2023: Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
+ *       2022,2023: BOSCH AG
+ * Copyright (c) 2021,2022,2023 Contributors to the Eclipse Foundation
+ *
+ * See the NOTICE file(s) distributed with this work for additional
+ * information regarding copyright ownership.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://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
+ ********************************************************************************/
+package org.eclipse.tractusx.irs.aaswrapper.registry.domain;
+
+import java.util.List;
+
+/**
+ * The result of searching the Discovery Finder. Contains a list of {@link DiscoveryEndpoint}s.
+ */
+public record DiscoveryResponse(List<DiscoveryEndpoint> endpoints) {
+}

irs-api/src/test/java/org/eclipse/tractusx/irs/aaswrapper/registry/domain/DecentralDigitalTwinRegistryServiceTest.java

@@ -45,20 +45,28 @@ class DecentralDigitalTwinRegistryServiceTest {
     private final DecentralDigitalTwinRegistryClient decentralDigitalTwinRegistryClient = mock(
             DecentralDigitalTwinRegistryClient.class);
 
-    private final DecentralDigitalTwinRegistryService decentralDigitalTwinRegistryService = new DecentralDigitalTwinRegistryService(discoveryFinderClient,
-            endpointDataForConnectorsService, decentralDigitalTwinRegistryClient);
+    private final DecentralDigitalTwinRegistryService decentralDigitalTwinRegistryService = new DecentralDigitalTwinRegistryService(
+            discoveryFinderClient, endpointDataForConnectorsService, decentralDigitalTwinRegistryClient);
 
     @Test
     void shouldReturnExpectedShell() {
         // given
-        final DigitalTwinRegistryKey digitalTwinRegistryKey = new DigitalTwinRegistryKey("urn:uuid:4132cd2b-cbe7-4881-a6b4-39fdc31cca2b", "bpn");
+        final DigitalTwinRegistryKey digitalTwinRegistryKey = new DigitalTwinRegistryKey(
+                "urn:uuid:4132cd2b-cbe7-4881-a6b4-39fdc31cca2b", "bpn");
         final AssetAdministrationShellDescriptor expectedShell = shellDescriptor(Collections.emptyList());
-        EndpointDataReference endpointDataReference = EndpointDataReference.Builder.newInstance().endpoint("url.to.host").build();
+        EndpointDataReference endpointDataReference = EndpointDataReference.Builder.newInstance()
+                                                                                   .endpoint("url.to.host")
+                                                                                   .build();
+        final List<DiscoveryEndpoint> discoveryEndpoints = List.of(
+                new DiscoveryEndpoint("type", "desc", "address", "doc", "resId"));
         when(discoveryFinderClient.findDiscoveryEndpoints(any(DiscoveryFinderRequest.class))).thenReturn(
-                Collections.singletonList(new DiscoveryEndpoint("type", "desc", "address", "doc", "resId")));
-        when(endpointDataForConnectorsService.findEndpointDataForConnectors(anyList())).thenReturn(List.of(endpointDataReference));
-        when(decentralDigitalTwinRegistryClient.getAllAssetAdministrationShellIdsByAssetLink(any(), anyList())).thenReturn(Collections.emptyList());
-        when(decentralDigitalTwinRegistryClient.getAssetAdministrationShellDescriptor(any(), any())).thenReturn(expectedShell);
+                new DiscoveryResponse(discoveryEndpoints));
+        when(endpointDataForConnectorsService.findEndpointDataForConnectors(anyList())).thenReturn(
+                List.of(endpointDataReference));
+        when(decentralDigitalTwinRegistryClient.getAllAssetAdministrationShellIdsByAssetLink(any(),
+                anyList())).thenReturn(Collections.emptyList());
+        when(decentralDigitalTwinRegistryClient.getAssetAdministrationShellDescriptor(any(), any())).thenReturn(
+                expectedShell);
 
         // when
         final AssetAdministrationShellDescriptor actualShell = decentralDigitalTwinRegistryService.getAAShellDescriptor(

irs-api/src/test/java/org/eclipse/tractusx/irs/aaswrapper/registry/domain/DiscoveryFinderClientImplTest.java

@@ -0,0 +1,80 @@
+/********************************************************************************
+ * Copyright (c) 2021,2022,2023
+ *       2022: ZF Friedrichshafen AG
+ *       2022: ISTOS GmbH
+ *       2022,2023: Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
+ *       2022,2023: BOSCH AG
+ * Copyright (c) 2021,2022,2023 Contributors to the Eclipse Foundation
+ *
+ * See the NOTICE file(s) distributed with this work for additional
+ * information regarding copyright ownership.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://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
+ ********************************************************************************/
+package org.eclipse.tractusx.irs.aaswrapper.registry.domain;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.when;
+
+import java.util.List;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import org.springframework.web.client.RestTemplate;
+
+@ExtendWith(MockitoExtension.class)
+class DiscoveryFinderClientImplTest {
+    @Mock
+    private RestTemplate restTemplate;
+
+    @Test
+    void shouldReturnEmptyListWhenDiscoveryReturnsNull() {
+        // Arrange
+        final String discoveryFinderUrl = "https://discovery.mock/api/administration/connectors/discovery/search";
+        final String providerUrl = "https://discovery.mock/api/administration/connectors/discovery";
+        final List<String> bpns = List.of("BPN123");
+        final DiscoveryFinderClientImpl discoveryFinderClient = new DiscoveryFinderClientImpl(discoveryFinderUrl,
+                restTemplate);
+        when(restTemplate.postForObject(providerUrl, bpns, EdcDiscoveryResult[].class)).thenReturn(null);
+
+        // Act
+        final List<EdcDiscoveryResult> connectorEndpoints = discoveryFinderClient.findConnectorEndpoints(providerUrl,
+                bpns);
+
+        // Assert
+        assertThat(connectorEndpoints).isNotNull().isEmpty();
+    }
+
+    @Test
+    void shouldReturnEmptyListWhenDiscoveryReturnsEmpty() {
+        // Arrange
+        final String discoveryFinderUrl = "https://discovery.mock/api/administration/connectors/discovery/search";
+        final String providerUrl = "https://discovery.mock/api/administration/connectors/discovery";
+        final List<String> bpns = List.of("BPN123");
+        final DiscoveryFinderClientImpl discoveryFinderClient = new DiscoveryFinderClientImpl(discoveryFinderUrl,
+                restTemplate);
+        final EdcDiscoveryResult[] discoveryResponse = { new EdcDiscoveryResult("BPN123",
+                List.of("https://provider.edc"))
+        };
+
+        when(restTemplate.postForObject(providerUrl, bpns, EdcDiscoveryResult[].class)).thenReturn(discoveryResponse);
+
+        // Act
+        final List<EdcDiscoveryResult> connectorEndpoints = discoveryFinderClient.findConnectorEndpoints(providerUrl,
+                bpns);
+
+        // Assert
+        assertThat(connectorEndpoints).isNotNull().hasSize(1);
+    }
+}

irs-edc-client/src/main/java/org/eclipse/tractusx/irs/edc/client/ContractNegotiationService.java

@@ -52,8 +52,6 @@ public class ContractNegotiationService {
 
     private final EdcControlPlaneClient edcControlPlaneClient;
 
-    private final EdcConfiguration config;
-
     private final PolicyCheckerService policyCheckerService;
 
     public NegotiationResponse negotiate(final String providerConnectorUrl, final CatalogItem catalogItem)
@@ -72,8 +70,7 @@ public NegotiationResponse negotiate(final String providerConnectorUrl, final Ca
 
         final NegotiationRequest negotiationRequest = NegotiationRequest.builder()
                                                                         .connectorId(catalogItem.getConnectorId())
-                                                                        .connectorAddress(providerConnectorUrl
-                                                                                + config.getControlplane().getProviderSuffix())
+                                                                        .connectorAddress(providerConnectorUrl)
                                                                         .offer(contractOfferRequest)
                                                                         .build();
 
@@ -94,7 +91,7 @@ public NegotiationResponse negotiate(final String providerConnectorUrl, final Ca
                                                   .managedResources(TransferProcessRequest.DEFAULT_MANAGED_RESOURCES)
                                                   .connectorId(catalogItem.getConnectorId())
                                                   .connectorAddress(
-                                                          providerConnectorUrl + config.getControlplane().getProviderSuffix())
+                                                          providerConnectorUrl)
                                                   .contractId(response.getContractAgreementId())
                                                   .assetId(catalogItem.getAssetPropId())
                                                   .dataDestination(destination)

irs-edc-client/src/main/java/org/eclipse/tractusx/irs/edc/client/EdcControlPlaneClient.java

@@ -64,10 +64,9 @@ public class EdcControlPlaneClient {
 
     /* package */ Catalog getCatalog(final String providerConnectorUrl, final int offset) {
         final var catalogUrl = config.getControlplane().getEndpoint().getData() + "/catalog/request";
-        final var providerUrl = providerConnectorUrl + config.getControlplane().getProviderSuffix();
         final var limit = config.getControlplane().getCatalogPageSize();
 
-        final CatalogRequest request = buildCatalogRequest(offset, providerUrl, limit);
+        final CatalogRequest request = buildCatalogRequest(offset, providerConnectorUrl, limit);
         return edcRestTemplate.exchange(catalogUrl, HttpMethod.POST, new HttpEntity<>(request, headers()),
                 Catalog.class).getBody();
     }
@@ -80,9 +79,9 @@ private CatalogRequest buildCatalogRequest(final int offset, final String provid
         return CatalogRequest.builder().providerUrl(providerUrl).querySpec(querySpec.build()).build();
     }
 
-    /* package */ Catalog getCatalogWithFilter(final String providerConnectorUrl, final String key,
-            final String value) {
+    /* package */ Catalog getCatalogWithFilter(final String providerConnectorUrl, final String key, final String value) {
         final var catalogUrl = config.getControlplane().getEndpoint().getData() + "/catalog/request";
+
         final var querySpec = QuerySpec.Builder.newInstance().filter(List.of(new Criterion(key, "=", value)));
         final var catalogRequest = CatalogRequest.builder()
                                                  .providerUrl(providerConnectorUrl)