🛡️implement exception handling across microservices

Author: Adnane Miliari

common/src/main/java/exceptionhandler/business/CustomerException.java

@@ -0,0 +1,10 @@
+package exceptionhandler.business;
+
+import exceptionhandler.core.BaseException;
+
+public class CustomerException extends BaseException {
+    public CustomerException(String message) {
+        super(message);
+    }
+}
+

common/src/main/java/exceptionhandler/business/NotificationException.java

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+package exceptionhandler.business;
+
+import exceptionhandler.core.BaseException;
+
+public class NotificationException extends BaseException {
+    public NotificationException(String message) {
+        super(message);
+    }
+}

common/src/main/java/exceptionhandler/business/OrderException.java

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+package exceptionhandler.business;
+
+import exceptionhandler.core.BaseException;
+
+public class OrderException extends BaseException {
+    public OrderException(String message) {
+        super(message);
+    }
+}
+

common/src/main/java/exceptionhandler/business/PaymentException.java

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+package exceptionhandler.business;
+
+import exceptionhandler.core.BaseException;
+
+public class PaymentException extends BaseException {
+    public PaymentException(String message) {
+        super(message);
+    }
+}
+

common/src/main/java/exceptionhandler/business/ProductException.java

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+package exceptionhandler.business;
+
+import exceptionhandler.core.BaseException;
+
+public class ProductException extends BaseException {
+    public ProductException(String message) {
+        super(message);
+    }
+}

common/src/main/java/exceptionhandler/core/BadRequestException.java

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+package exceptionhandler.core;
+
+public class BadRequestException extends BaseException {
+    public BadRequestException(String message) {
+        super(message);
+    }
+}

common/src/main/java/exceptionhandler/core/BaseException.java

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+package exceptionhandler.core;
+
+public abstract class BaseException extends RuntimeException {
+    public BaseException(String message) {
+        super(message);
+    }
+}

common/src/main/java/exceptionhandler/core/DuplicateResourceException.java

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+package exceptionhandler.core;
+
+public class DuplicateResourceException extends BaseException {
+    public DuplicateResourceException(String message) {
+        super(message);
+    }
+}
+

common/src/main/java/exceptionhandler/core/ResourceNotFoundException.java

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+package exceptionhandler.core;
+
+public class ResourceNotFoundException extends BaseException {
+    public ResourceNotFoundException(String message) {
+        super(message);
+    }
+}

common/src/main/java/exceptionhandler/core/ValidationException.java

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+package exceptionhandler.core;
+
+import exceptionhandler.payload.ValidationError;
+import lombok.Getter;
+
+import java.util.List;
+
+@Getter
+public class ValidationException extends BaseException {
+    private final List<ValidationError> errors;
+
+    public ValidationException(String message, List<ValidationError> errors) {
+        super(message);
+        this.errors = errors;
+    }
+}
+