Java tutorial
/* * Licensed 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 com.asual.summer.core; import java.io.PrintWriter; import java.io.StringWriter; import java.io.Writer; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.ui.ModelMap; import org.springframework.web.bind.annotation.ControllerAdvice; import org.springframework.web.bind.annotation.ExceptionHandler; import org.springframework.web.servlet.ModelAndView; import com.asual.summer.core.view.AbstractResponseView; import com.asual.summer.core.view.StringView; /** * * @author Rostislav Hristov * */ @ControllerAdvice public class ErrorController { private Log logger = LogFactory.getLog(ErrorController.class); @ResponseViews({ AbstractResponseView.class, StringView.class }) public ModelAndView error(Exception ex) { Writer stringWriter = new StringWriter(); PrintWriter printWriter = new PrintWriter(stringWriter); ex.printStackTrace(printWriter); ModelMap model = new ModelMap(); model.addAttribute("error", ex); model.addAttribute("stackTrace", stringWriter.toString()); return new ModelAndView("/error", model); } @ExceptionHandler(Exception.class) public ModelAndView handleException(Exception ex) { logger.info("Catching: " + ex.getClass().getSimpleName()); logger.error(ex.getMessage(), ex); return error(ex); } }