chore(quality): [#841] correct exception hierarchy of UsagePolicy*Exc…

…eption

Reason: These exceptions both have the same attributes. Making the PolicyException interface a base class and moving the attributes there simplifies exception handling allowing to deal with both exceptions in the same way without casting / type checking.

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

@@ -19,19 +19,21 @@
  ********************************************************************************/
 package org.eclipse.tractusx.irs.edc.client.exceptions;
 
+import lombok.Getter;
 import org.eclipse.edc.policy.model.Policy;
 
 /**
- * This interface provides get-methods for fine-grained policy exceptions
+ * Policy exception with detail information
  */
-public interface PolicyException {
-    /**
-     * @return the corresponding bpn of the policy
-     */
-    String getBusinessPartnerNumber();
+@Getter
+public class PolicyException extends EdcClientException {
 
-    /**
-     * @return the policy that caused the exception
-     */
-    Policy getPolicy();
+    private final transient Policy policy;
+    private final String businessPartnerNumber;
+
+    public PolicyException(final String message, final Policy policy, final String businessPartnerNumber) {
+        super(message);
+        this.policy = policy;
+        this.businessPartnerNumber = businessPartnerNumber;
+    }
 }

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

@@ -29,17 +29,12 @@
  * Usage Policy Expired Exception errors in the contract negotiation.
  */
 @Getter
-public class UsagePolicyExpiredException extends EdcClientException implements PolicyException  {
-
-    private final transient Policy policy;
-    private final String businessPartnerNumber;
+public class UsagePolicyExpiredException extends PolicyException  {
 
     public UsagePolicyExpiredException(final List<AcceptedPolicy> acceptedPolicies,
             final Policy providedCatalogItemPolicy, final String businessPartnerNumber) {
         super("Policy " + acceptedPolicies.stream().map(policy -> policy.policy().getPolicyId()).toList()
-                + " has expired.");
-        this.policy = providedCatalogItemPolicy;
-        this.businessPartnerNumber = businessPartnerNumber;
+                + " has expired.", providedCatalogItemPolicy, businessPartnerNumber);
     }
 
 }

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

@@ -33,18 +33,13 @@
  * Usage Policy Permission Exception errors in the contract negotiation.
  */
 @Getter
-public class UsagePolicyPermissionException extends EdcClientException implements PolicyException {
-
-    private final transient Policy policy;
-    private final String businessPartnerNumber;
+public class UsagePolicyPermissionException extends PolicyException {
 
     public UsagePolicyPermissionException(final List<AcceptedPolicy> acceptedPolicies,
             final Policy providedCatalogItemPolicy, final String businessPartnerNumber) {
         super("Policies " + acceptedPolicies.stream().map(policy -> policy.policy().getPolicyId()).toList()
-                + " did not match with policy from " + businessPartnerNumber + ".");
-
-        this.policy = providedCatalogItemPolicy;
-        this.businessPartnerNumber = businessPartnerNumber;
+                        + " did not match with policy from " + businessPartnerNumber + ".", providedCatalogItemPolicy,
+                businessPartnerNumber);
 
     }