Add exception handler

src/main/kotlin/top/fatweb/api/handler/ExceptionHandler.kt

@@ -0,0 +1,35 @@
+package top.fatweb.api.handler
+
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
+import org.springframework.http.converter.HttpMessageNotReadableException
+import org.springframework.security.authentication.InsufficientAuthenticationException
+import org.springframework.web.bind.annotation.ExceptionHandler
+import org.springframework.web.bind.annotation.RestControllerAdvice
+import top.fatweb.api.entity.common.ResponseCode
+import top.fatweb.api.entity.common.ResponseResult
+
+@RestControllerAdvice
+class ExceptionHandler {
+    private val log: Logger = LoggerFactory.getLogger(this::class.java)
+
+    @ExceptionHandler(value = [Exception::class])
+    fun exceptionHandler(e: Exception): ResponseResult<*> {
+        return when (e) {
+            is InsufficientAuthenticationException -> {
+                log.debug(e.localizedMessage, e)
+                ResponseResult.fail(ResponseCode.SYSTEM_UNAUTHORIZED, e.localizedMessage, null)
+            }
+
+            is HttpMessageNotReadableException -> {
+                log.debug(e.localizedMessage, e)
+                ResponseResult.fail(ResponseCode.SYSTEM_REQUEST_ILLEGAL, e.localizedMessage.split(":")[0], null)
+            }
+
+            else -> {
+                log.error(e.localizedMessage, e)
+                ResponseResult.fail(ResponseCode.SYSTEM_ERROR, data = null)
+            }
+        }
+    }
+}