Clean Code

xxl-job-admin/src/main/java/com/xxl/job/admin/controller/resolver/WebExceptionResolver.java

 package com.xxl.job.admin.controller.resolver;
 
-import com.xxl.job.admin.core.util.JacksonUtil;
 import com.xxl.job.core.biz.model.ReturnT;
+import com.xxl.job.core.util.JacksonUtil;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.web.bind.annotation.ResponseBody;

xxl-job-admin/src/main/java/com/xxl/job/admin/core/jobbean/impl/DemoConcurrentJobBean.java

 //		try {
 //			TimeUnit.SECONDS.sleep(10);
 //		} catch (InterruptedException e) {
-//			e.printStackTrace();
+//			logger.error(e.getMessage(), e);
 //		}
 //		
 //		return false;

xxl-job-admin/src/main/java/com/xxl/job/admin/core/jobbean/impl/DemoNomalJobBean.java

 //		try {
 //			TimeUnit.SECONDS.sleep(10);
 //		} catch (InterruptedException e) {
-//			e.printStackTrace();
+//			logger.error(e.getMessage(), e);
 //		}
 //		
 //		return false;

xxl-job-admin/src/main/java/com/xxl/job/admin/core/schedule/XxlJobDynamicScheduler.java

 			}
 			
 		} catch (SchedulerException e) {
-			e.printStackTrace();
+			logger.error(e.getMessage(), e);
 		}
 	}
 	
             }
 
         } catch (SchedulerException e) {
-            e.printStackTrace();
+            logger.error(e.getMessage(), e);
             return null;
         }
         return jobList;

xxl-job-admin/src/main/java/com/xxl/job/admin/core/util/JacksonUtil.java

-package com.xxl.job.admin.core.util;
-
-
-import org.codehaus.jackson.JsonGenerationException;
-import org.codehaus.jackson.JsonParseException;
-import org.codehaus.jackson.map.JsonMappingException;
-import org.codehaus.jackson.map.ObjectMapper;
-import org.codehaus.jackson.type.TypeReference;
-
-import java.io.IOException;
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * Jackson util
- * 
- * 1、obj need private and set/get；
- * 2、do not support inner class；
- * 
- * @author xuxueli 2015-9-25 18:02:56
- */
-public class JacksonUtil {
-    private final static ObjectMapper objectMapper = new ObjectMapper();
-    public static ObjectMapper getInstance() {
-        return objectMapper;
-    }
-
-    /**
-     * bean、array、List、Map --> json
-     * 
-     * @param obj
-     * @return json string
-     * @throws Exception
-     */
-    public static String writeValueAsString(Object obj) {
-    	try {
-			return getInstance().writeValueAsString(obj);
-		} catch (JsonGenerationException e) {
-			e.printStackTrace();
-		} catch (JsonMappingException e) {
-			e.printStackTrace();
-		} catch (IOException e) {
-			e.printStackTrace();
-		}
-        return null;
-    }
-
-    /**
-     * string --> bean、Map、List(array)
-     * 
-     * @param jsonStr
-     * @param clazz
-     * @return obj
-     * @throws Exception
-     */
-    public static <T> T readValue(String jsonStr, Class<T> clazz) {
-    	try {
-			return getInstance().readValue(jsonStr, clazz);
-		} catch (JsonParseException e) {
-			e.printStackTrace();
-		} catch (JsonMappingException e) {
-			e.printStackTrace();
-		} catch (IOException e) {
-			e.printStackTrace();
-		}
-    	return null;
-    }
-    public static <T> T readValueRefer(String jsonStr, Class<T> clazz) {
-    	try {
-			return getInstance().readValue(jsonStr, new TypeReference<T>() { });
-		} catch (JsonParseException e) {
-			e.printStackTrace();
-		} catch (JsonMappingException e) {
-			e.printStackTrace();
-		} catch (IOException e) {
-			e.printStackTrace();
-		}
-    	return null;
-    }
-
-    public static void main(String[] args) {
-		try {
-			Map<String, String> map = new HashMap<String, String>();
-			map.put("aaa", "111");
-			map.put("bbb", "222");
-			String json = writeValueAsString(map);
-			System.out.println(json);
-			System.out.println(readValue(json, Map.class));
-		} catch (Exception e) {
-			e.printStackTrace();
-		}
-	}
-}

xxl-job-admin/src/main/java/com/xxl/job/admin/core/util/MailUtil.java

 			mailSender.send(mimeMessage);
 			return true;
 		} catch (Exception e) {
-			e.printStackTrace();
+			logger.error(e.getMessage(), e);
 		}
 		return false;
 	}

xxl-job-admin/src/main/java/com/xxl/job/admin/service/impl/XxlJobServiceImpl.java

 			xxlJobLogGlueDao.deleteByJobId(id);
 			return ReturnT.SUCCESS;
 		} catch (SchedulerException e) {
-			e.printStackTrace();
+			logger.error(e.getMessage(), e);
 		}
 		return ReturnT.FAIL;
 	}
             boolean ret = XxlJobDynamicScheduler.pauseJob(name, group);	// jobStatus do not store
             return ret?ReturnT.SUCCESS:ReturnT.FAIL;
 		} catch (SchedulerException e) {
-			e.printStackTrace();
+			logger.error(e.getMessage(), e);
 			return ReturnT.FAIL;
 		}
 	}
 			boolean ret = XxlJobDynamicScheduler.resumeJob(name, group);
 			return ret?ReturnT.SUCCESS:ReturnT.FAIL;
 		} catch (SchedulerException e) {
-			e.printStackTrace();
+			logger.error(e.getMessage(), e);
 			return ReturnT.FAIL;
 		}
 	}
 			XxlJobDynamicScheduler.triggerJob(name, group);
 			return ReturnT.SUCCESS;
 		} catch (SchedulerException e) {
-			e.printStackTrace();
+			logger.error(e.getMessage(), e);
 			return ReturnT.FAIL;
 		}
 	}

xxl-job-admin/src/test/java/com/xxl/job/dao/impl/AdminBizTest.java

         AdminBiz adminBiz = (AdminBiz) new NetComClientProxy(AdminBiz.class, addressUrl, accessToken).getObject();
 
         int jobId = 1;
-        ReturnT<String> returnT = adminBiz.triggerJob(1);
+        ReturnT<String> returnT = adminBiz.triggerJob(jobId);
         Assert.assertTrue(returnT.getCode() == ReturnT.SUCCESS_CODE);
     }
 

xxl-job-core/src/main/java/com/xxl/job/core/glue/GlueFactory.java

 				try {
 					field.set(instance, fieldBean);
 				} catch (IllegalArgumentException e) {
-					e.printStackTrace();
+					logger.error(e.getMessage(), e);
 				} catch (IllegalAccessException e) {
-					e.printStackTrace();
+					logger.error(e.getMessage(), e);
 				}
 			}
 		}

xxl-job-core/src/main/java/com/xxl/job/core/log/XxlJobFileAppender.java

 				return sb.toString();
 			}
 		} catch (IOException e) {
-			e.printStackTrace();
+			logger.error(e.getMessage(), e);
 		} finally {
 			if (reader != null) {
 				try {
 					reader.close();
 				} catch (IOException e) {
-					e.printStackTrace();
+					logger.error(e.getMessage(), e);
 				}
 			}
 		}

xxl-job-core/src/main/java/com/xxl/job/core/util/HttpClientUtil.java

 			try {
 				httpClient.close();
 			} catch (IOException e) {
-				e.printStackTrace();
+				logger.error(e.getMessage(), e);
 			}
 		}
 		return responseBytes;
 				}
 				return message;
 			} catch (IOException e) {
-				e.printStackTrace();
+				logger.error(e.getMessage(), e);
 				throw e;
 			}
 		}

xxl-job-core/src/main/java/com/xxl/job/core/util/JacksonUtil.java

 import org.codehaus.jackson.map.JsonMappingException;
 import org.codehaus.jackson.map.ObjectMapper;
 import org.codehaus.jackson.type.TypeReference;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
 import java.util.HashMap;
  * @author xuxueli 2015-9-25 18:02:56
  */
 public class JacksonUtil {
+	private static Logger logger = LoggerFactory.getLogger(JacksonUtil.class);
+
     private final static ObjectMapper objectMapper = new ObjectMapper();
     public static ObjectMapper getInstance() {
         return objectMapper;
     	try {
 			return getInstance().writeValueAsString(obj);
 		} catch (JsonGenerationException e) {
-			e.printStackTrace();
+			logger.error(e.getMessage(), e);
 		} catch (JsonMappingException e) {
-			e.printStackTrace();
+			logger.error(e.getMessage(), e);
 		} catch (IOException e) {
-			e.printStackTrace();
+			logger.error(e.getMessage(), e);
 		}
         return null;
     }
     	try {
 			return getInstance().readValue(jsonStr, clazz);
 		} catch (JsonParseException e) {
-			e.printStackTrace();
+			logger.error(e.getMessage(), e);
 		} catch (JsonMappingException e) {
-			e.printStackTrace();
+			logger.error(e.getMessage(), e);
 		} catch (IOException e) {
-			e.printStackTrace();
+			logger.error(e.getMessage(), e);
 		}
     	return null;
     }
     	try {
 			return getInstance().readValue(jsonStr, new TypeReference<T>() { });
 		} catch (JsonParseException e) {
-			e.printStackTrace();
+			logger.error(e.getMessage(), e);
 		} catch (JsonMappingException e) {
-			e.printStackTrace();
+			logger.error(e.getMessage(), e);
 		} catch (IOException e) {
-			e.printStackTrace();
+			logger.error(e.getMessage(), e);
 		}
     	return null;
     }
 			System.out.println(json);
 			System.out.println(readValue(json, Map.class));
 		} catch (Exception e) {
-			e.printStackTrace();
+			logger.error(e.getMessage(), e);
 		}
 	}
 }