Fixing regions endpoint signature changes

extensions/core-ionos-s3/src/main/java/com/ionos/edc/extension/s3/api/S3ApiClient.java

@@ -15,7 +15,6 @@
 package com.ionos.edc.extension.s3.api;
 
 import java.io.IOException;
-import java.util.List;
 
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.DeserializationFeature;
@@ -46,7 +45,7 @@ public S3ApiClient() {
                 .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
     }
 
-    public List<S3Region> retrieveRegions(String token) {
+    public S3Regions retrieveRegions(String token) {
 
         Request request = new Request.Builder().url(REGIONS_ENDPOINT_URL)
                 .addHeader(AUTHORIZATION_HEADER, BEARER_TOKEN_PREFIX + token)
@@ -61,7 +60,7 @@ public List<S3Region> retrieveRegions(String token) {
             if (response.body() == null)
                 throw new IOException("Empty response body retrieving S3 regions");
             else
-                return objectMapper.readValue(response.body().string(), new TypeReference<List<S3Region>>() {});
+                return objectMapper.readValue(response.body().string(), new TypeReference<S3Regions>() {});
 
         } catch (IOException e) {
             throw new EdcException("Error retrieving S3 accesskey", e);

extensions/core-ionos-s3/src/main/java/com/ionos/edc/extension/s3/api/S3Regions.java

@@ -0,0 +1,30 @@
+/*
+ *  Copyright (c) 2024 IONOS
+ *
+ *  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
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Contributors:
+ *      IONOS
+ *
+ */
+
+package com.ionos.edc.extension.s3.api;
+
+import java.util.List;
+
+public class S3Regions {
+
+	private List<S3Region> items;
+
+	public List<S3Region> getItems() {
+		return items;
+	}
+
+	public void setItems(List<S3Region> items) {
+		this.items = items;
+	}
+}

extensions/core-ionos-s3/src/main/java/com/ionos/edc/extension/s3/connector/S3ConnectorImpl.java

@@ -192,7 +192,7 @@ public void deleteAccessKey(String keyID) {
     private String getEndpoint(String regionId, String token) {
         var regions = S3ApiClient.retrieveRegions(token);
 
-        for (S3Region region: regions) {
+        for (S3Region region: regions.getItems()) {
             if (region.getId().equals(regionId)) {
                 return "https://" + region.getProperties().getEndpoint();
             }