Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package org.sharetask.controller.handler; import org.sharetask.controller.json.ResponseError; import org.sharetask.controller.json.ResponseError.ErrorType; import org.sharetask.service.UserAlreadyExistsException; import org.springframework.http.HttpStatus; import org.springframework.web.bind.annotation.ControllerAdvice; import org.springframework.web.bind.annotation.ExceptionHandler; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.bind.annotation.ResponseStatus; /** * @author Michal Bocek * @since 1.0.0 */ @ControllerAdvice public class UserAlreadyExistsExceptionHandler { @ExceptionHandler @ResponseStatus(value = HttpStatus.BAD_REQUEST) @ResponseBody public ResponseError handlException(final UserAlreadyExistsException error) { return new ResponseError(ErrorType.USER_ALREADY_EXISTS); } }