| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| SimpleExceptionLoggingAdvice | 
 | 
 | 3.6;3.6 | ||||
| SimpleExceptionLoggingAdvice$1 | 
 | 
 | 3.6;3.6 | ||||
| SimpleExceptionLoggingAdvice$ExceptionLevel | 
 | 
 | 3.6;3.6 | ||||
| SimpleExceptionLoggingAdvice$LoggingLevel | 
 | 
 | 3.6;3.6 | 
| 1 |  /** | |
| 2 |   * Copyright 2010 The Kuali Foundation Licensed under the | |
| 3 |   * Educational Community License, Version 2.0 (the "License"); you may | |
| 4 |   * not use this file except in compliance with the License. You may | |
| 5 |   * obtain a copy of the License at | |
| 6 |   * | |
| 7 |   * http://www.osedu.org/licenses/ECL-2.0 | |
| 8 |   * | |
| 9 |   * Unless required by applicable law or agreed to in writing, | |
| 10 |   * software distributed under the License is distributed on an "AS IS" | |
| 11 |   * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express | |
| 12 |   * or implied. See the License for the specific language governing | |
| 13 |   * permissions and limitations under the License. | |
| 14 |   */ | |
| 15 | ||
| 16 |  package org.kuali.student.common.util; | |
| 17 | ||
| 18 |  import org.aspectj.lang.JoinPoint; | |
| 19 |  import org.slf4j.Logger; | |
| 20 |  import org.slf4j.LoggerFactory; | |
| 21 |  import org.springframework.aop.ThrowsAdvice; | |
| 22 | ||
| 23 |  /** | |
| 24 |   * Advice to log exceptions.  | |
| 25 |   * Default <code>loggingLevel=STACKTRACE</code> and <code>exceptionLoggingType=THROWABLE</code>. | |
| 26 |   *  | |
| 27 |   * <p>Spring configuration example</p> | |
| 28 |   * <pre> | |
| 29 |   * <aop:config> | |
| 30 |   *     <aop:aspect id="exceptionLoggingAspect" ref="exceptionLoggingAdvice" order="2"> | |
| 31 |   *         <aop:after-throwing | |
| 32 |   *             pointcut="execution(* org.kuali.student.lum.lu.service.*.*(..))" | |
| 33 |   *             method="afterThrowing" throwing="t" /> | |
| 34 |   *     </aop:aspect> | |
| 35 |   * </aop:config> | |
| 36 |   * <bean id="exceptionLoggingAdvice" class="org.kuali.student.common.util.SimpleExceptionLoggingAdvice"> | |
| 37 |   *     <property name="loggingLevel" value="INFO" /> | |
| 38 |   *     <property name="exceptionLoggingType" value="RUNTIME" /> | |
| 39 |   * </bean> | |
| 40 |   * </pre> | |
| 41 |   */ | |
| 42 | public class SimpleExceptionLoggingAdvice implements ThrowsAdvice { | |
| 43 | ||
| 44 | 0 |          private enum ExceptionLevel{THROWABLE, EXCEPTION, RUNTIME}; | 
| 45 | 0 |          private ExceptionLevel exceptionType = ExceptionLevel.THROWABLE; | 
| 46 | ||
| 47 | 0 |          private enum LoggingLevel{NONE, DEBUG, INFO, WARN, ERROR, STACKTRACE}; | 
| 48 | 0 |          private LoggingLevel loggingLevel = LoggingLevel.STACKTRACE; | 
| 49 | ||
| 50 |          /** | |
| 51 |           * Constructor. | |
| 52 |           */ | |
| 53 | 0 |          public SimpleExceptionLoggingAdvice() { | 
| 54 | 0 |          } | 
| 55 | ||
| 56 |          /** | |
| 57 |           * Sets the logging level. | |
| 58 |           * <p>Logging levels:</p> | |
| 59 |           * <ul> | |
| 60 |           * <li>NONE</li> | |
| 61 |           * <li>DEBUG</li> | |
| 62 |           * <li>INFO</li> | |
| 63 |           * <li>WARN</li> | |
| 64 |           * <li>ERROR</li> | |
| 65 |           * <li>STACKTRACE</li> | |
| 66 |           * </ul> | |
| 67 |           * @param loggingLevel Logging level | |
| 68 |           */ | |
| 69 | public void setLoggingLevel(String loggingLevel) { | |
| 70 | 0 |                  this.loggingLevel = LoggingLevel.valueOf(loggingLevel.toUpperCase()); | 
| 71 | 0 |          } | 
| 72 | ||
| 73 |          /** | |
| 74 |           * Sets the type of exception to log.  | |
| 75 |           * E.g. Only log runtime exception (<code>RUNTIME</code>). | |
| 76 |           *  | |
| 77 |           * <p>Exception types:</p> | |
| 78 |           * <ul> | |
| 79 |           * <li>THROWABLE</li> | |
| 80 |           * <li>EXCEPTION</li> | |
| 81 |           * <li>RUNTIME</li> | |
| 82 |           * </ul> | |
| 83 |           *   | |
| 84 |           * @param exceptionType exception logging type | |
| 85 |           */ | |
| 86 | public void setExceptionLoggingType(String exceptionType) { | |
| 87 | 0 |                  this.exceptionType = ExceptionLevel.valueOf(exceptionType.toUpperCase()); | 
| 88 | 0 |          } | 
| 89 | ||
| 90 |          /** | |
| 91 |           * Catches the exception being thrown. | |
| 92 |           *  | |
| 93 |           * @param jp Aspect join point | |
| 94 |           * @param t Exception being thrown | |
| 95 |           * @throws Throwable | |
| 96 |           */ | |
| 97 | public void afterThrowing(JoinPoint jp, Throwable t) throws Throwable { | |
| 98 | 0 |              switch(this.exceptionType) { | 
| 99 |                          case THROWABLE: | |
| 100 | 0 |                              if(t instanceof Throwable) { | 
| 101 | 0 |                                      logException(jp.getTarget().getClass(), t); | 
| 102 | } | |
| 103 |                          case EXCEPTION: | |
| 104 | 0 |                              if(t instanceof Exception) { | 
| 105 | 0 |                                      logException(jp.getTarget().getClass(), t); | 
| 106 | } | |
| 107 |                          case RUNTIME: | |
| 108 | 0 |                              if(t instanceof RuntimeException) { | 
| 109 | 0 |                                      logException(jp.getTarget().getClass(), t); | 
| 110 | } | |
| 111 | } | |
| 112 | 0 |                  throw t; | 
| 113 | } | |
| 114 | ||
| 115 |      /** | |
| 116 |       * Logs the exception. | |
| 117 |       *  | |
| 118 |       * @param targetClass The join point class the exception was caught. | |
| 119 |       * @param t Exception being thrown. | |
| 120 |       */ | |
| 121 | private void logException(Class<?> targetClass, Throwable t) { | |
| 122 | 0 |              Logger logger = LoggerFactory.getLogger(targetClass); | 
| 123 | ||
| 124 | 0 |              switch(this.loggingLevel) { | 
| 125 |                          case NONE: | |
| 126 | 0 |                                  break; | 
| 127 |                          case DEBUG: | |
| 128 | 0 |                              logger.debug(t.getMessage(), t); | 
| 129 | 0 |                                  break; | 
| 130 |                          case INFO: | |
| 131 | 0 |                              logger.info(t.getMessage(), t); | 
| 132 | 0 |                                  break; | 
| 133 |                          case WARN: | |
| 134 | 0 |                              logger.warn(t.getMessage(), t); | 
| 135 | 0 |                                  break; | 
| 136 |                          case ERROR: | |
| 137 | 0 |                              logger.error(t.getMessage(), t); | 
| 138 | 0 |                                  break; | 
| 139 |                          case STACKTRACE: | |
| 140 | 0 |                              logger.error(t.getMessage(), t); | 
| 141 |                                  break; | |
| 142 | } | |
| 143 | 0 |      } | 
| 144 | } |