Java tutorial
/* * This source file is free software, available under the following license: MIT license. * Copyright (c) 2017, Than Htike Aung * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * * mywebsite-backend - AjaxExceptionHandlerAspect.java * Using JRE 1.8.0_121 * @author Than Htike Aung {@literal <rage.cataclysm@gmail.com>} * @Since 2017 * */ package com.mycom.products.mywebsite.backend.aspect; import java.util.HashMap; import java.util.Map; import org.apache.log4j.Logger; import org.aspectj.lang.ProceedingJoinPoint; import org.aspectj.lang.annotation.Around; import org.aspectj.lang.annotation.Aspect; import org.aspectj.lang.annotation.Pointcut; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.core.annotation.Order; import org.springframework.http.HttpStatus; import org.springframework.stereotype.Component; import org.springframework.web.bind.ServletRequestBindingException; import org.springframework.web.bind.annotation.ResponseBody; import com.mycom.products.mywebsite.backend.annotation.HandleAjaxException; import com.mycom.products.mywebsite.backend.controller.BaseController.PageMessage; import com.mycom.products.mywebsite.backend.controller.BaseController.PageMessageStyle; import com.mycom.products.mywebsite.backend.util.LocalizedMessageResolver; import com.mycom.products.mywebsite.core.bean.BaseBean; import com.mycom.products.mywebsite.core.exception.ConsistencyViolationException; import com.mycom.products.mywebsite.core.exception.DuplicatedEntryException; @Component @Aspect @Order(1) public class AjaxExceptionHandlerAspect extends BaseAspect { private static final Logger errorLogger = Logger .getLogger("errorLogs." + AjaxExceptionHandlerAspect.class.getName()); @Autowired private LocalizedMessageResolver messageSource; @SuppressWarnings("unchecked") @Around(value = "methodAnnotatedWithHandleAjaxException(ajaxException) && publicMethod() && !initBinderMethod()") public @ResponseBody Map<String, Object> handleExeptionforajaxMethods(ProceedingJoinPoint joinPoint, HandleAjaxException ajaxException) throws Throwable { Map<String, Object> response = new HashMap<>(); try { response = (Map<String, Object>) joinPoint.proceed(); } catch (Exception e) { errorLogger.error(BaseBean.LOG_BREAKER_OPEN); errorLogger.error(e.getMessage(), e); errorLogger.error(BaseBean.LOG_BREAKER_CLOSE); response.put("status", HttpStatus.BAD_REQUEST); // default title and message String title = "Bad Request"; String message = messageSource.getMessage("Serverity.common.Page.AjaxError"); if (e instanceof ServletRequestBindingException) { title = ""; message = e.getMessage(); // send an e-mail to authorized person } else if (e instanceof DuplicatedEntryException) { title = "Duplicated"; message = messageSource.getMessage("Serverity.common.Page.DuplicatedRecordErrorMessage"); } else if (e instanceof ConsistencyViolationException) { title = "Rejected"; message = messageSource.getMessage("Serverity.common.Page.ConsistencyViolationErrorMessage"); } response.put("pageMessage", new PageMessage(title, message, PageMessageStyle.ERROR.getValue())); } return response; } @Pointcut("@annotation(ajaxException)") public void methodAnnotatedWithHandleAjaxException(HandleAjaxException ajaxException) { } }