Moved to Maven layout

exception-handler/src/main/java/com/raychatter/common/annotation/ExceptionHandler.java

@@ -0,0 +1,22 @@
+package com.raychatter.common.annotation;
+
+import org.springframework.http.HttpStatus;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target({
+      ElementType.ANNOTATION_TYPE,
+      ElementType.CONSTRUCTOR,
+      ElementType.FIELD,
+      ElementType.LOCAL_VARIABLE,
+      ElementType.METHOD,
+      ElementType.PARAMETER,
+      ElementType.TYPE})
+public @interface ExceptionHandler {
+   HttpStatus httpStatus() default HttpStatus.OK;
+   String contentType();
+}