Java tutorial
/* * Copyright (C) 2013 tarent AG * * 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. */ package org.osiam.addons.selfadministration.exception; import java.util.logging.Level; import java.util.logging.Logger; import javax.servlet.http.HttpServletResponse; import org.osiam.client.exception.OsiamClientException; import org.osiam.client.exception.OsiamRequestException; import org.springframework.http.HttpStatus; import org.springframework.web.bind.annotation.ControllerAdvice; import org.springframework.web.bind.annotation.ExceptionHandler; import org.springframework.web.servlet.ModelAndView; @ControllerAdvice public class OsiamExceptionHandler { private static final Logger LOGGER = Logger.getLogger(OsiamExceptionHandler.class.getName()); private static final String AN_EXCEPTION_OCCURED = "An exception occurred"; private static final String KEY = "key"; private ModelAndView modelAndView = new ModelAndView("self_administration_error"); @ExceptionHandler(OsiamRequestException.class) protected ModelAndView handleException(OsiamRequestException ex, HttpServletResponse response) { LOGGER.log(Level.WARNING, AN_EXCEPTION_OCCURED, ex); response.setStatus(ex.getHttpStatusCode()); modelAndView.addObject(KEY, "registration.form.error"); setLoggingInformation(ex); return modelAndView; } @ExceptionHandler(OsiamClientException.class) protected ModelAndView handleConflict(OsiamClientException ex, HttpServletResponse response) { LOGGER.log(Level.WARNING, AN_EXCEPTION_OCCURED, ex); response.setStatus(HttpStatus.INTERNAL_SERVER_ERROR.value()); modelAndView.addObject(KEY, "registration.form.error"); setLoggingInformation(ex); return modelAndView; } @ExceptionHandler(OsiamException.class) protected ModelAndView handleException(OsiamException ex, HttpServletResponse response) { LOGGER.log(Level.WARNING, AN_EXCEPTION_OCCURED, ex); response.setStatus(ex.getHttpStatusCode()); modelAndView.addObject(KEY, ex.getKey()); setLoggingInformation(ex); return modelAndView; } @ExceptionHandler(RuntimeException.class) protected ModelAndView handleException(RuntimeException ex, HttpServletResponse response) { LOGGER.log(Level.WARNING, AN_EXCEPTION_OCCURED, ex); response.setStatus(HttpStatus.INTERNAL_SERVER_ERROR.value()); modelAndView.addObject(KEY, "registration.exception.message"); setLoggingInformation(ex); return modelAndView; } private void setLoggingInformation(Throwable t) { Level level = getLogLevel(LOGGER); if (level != null && level.intValue() <= Level.INFO.intValue()) { modelAndView.addObject("exception", t); } } private Level getLogLevel(Logger logger) { Level level = null; if (logger != null) { level = logger.getLevel(); } if (level == null) { level = getLogLevel(logger.getParent()); } return level; } }