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From "SIBISH BASHEER (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LOG4J2-695) Custom Logger with restrictions on existing methods
Date Tue, 01 Jul 2014 00:21:24 GMT

    [ https://issues.apache.org/jira/browse/LOG4J2-695?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14048351#comment-14048351
] 

SIBISH BASHEER commented on LOG4J2-695:
---------------------------------------

Creating objects is something i want to avoid especially in high performance applications.
I need the approach to be all string based, extending from the core logger, warning users
from using not recommended methods(as Splunk won't understand the non key value pair formats).

> Custom Logger with restrictions on existing methods
> ---------------------------------------------------
>
>                 Key: LOG4J2-695
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-695
>             Project: Log4j 2
>          Issue Type: Bug
>          Components: API
>            Reporter: SIBISH BASHEER
>              Labels: customlogger
>         Attachments: CustomLogger.java
>
>
> I have been looking at the Custom/Extended logger discussions. But none of them seems
to fulfil what i am looking for.
> 1) I want custom methods as below:
>     private static CustomLogger logger = CustomLogger.getLogger(AppAsyncMain.class);
>    
>     logger.info( transaction_id, app_name + event_name +
> 					"inside the loop" + "inside the loop of the sample app" +
> 					"success" + "looped in" + "loop_count" +
> 					String.valueOf(i));
> 					
> 	log:
> 	2014-06-30 16:09:28,268 log_level="INFO" thread_name="main" class_name="com.custom.samplelog4j.AppAsyncMain"
transaction_id="79ea1071-9565-405a-aa18-75d271694bf2" event_id="dd5c69c0-4400-41fd-8a2e-5d538d8e8c9b"
app="Sample Logging SDK App" event_name="Sample Event" action="start of sample app" desc="start
of api" result="success" reason="start" token="abcdefg" alias="abc@gmail.com" 
> 	
> 2) I want to show warning in existing logger methods so the teams using the custom logger
doesn't use these methods other than for testing:
>    logger.info("start of statement");
>    
>    log:
>    2014-06-30 16:12:31,065 log_level="INFO" thread_name="main" class_name="com.custom.samplelog4j2.AppAsyncMain"
start of statement  customlogger_warning="method not recommended for production use" 
>    
> 3) Custom validations for the fields:
>     	private static String validateFields(String app_name, String event_name,
> 			String action, String desc, Result result, String reason) {
> 		String validateStatus = "";
> 		if (!ValidateAppName(app_name)) {
> 			validateStatus = "app_name";
> 		} else if (!ValidateEventName(event_name)) {
> 			validateStatus = "event_name";
> 		} else if (!ValidateAction(action)) {
> 			validateStatus = "action";
> 		} else if (!ValidateDesc(desc)) {
> 			validateStatus = "desc";
> 		} else if (!ValidateReason(result, reason)) {
> 			validateStatus = "reason";
> 		}
> 		return validateStatus;
> 	}
> Options tried:
> 1) a) extended ExtendedLoggerWrapper
>    b) created the map of the Custom logger
>    c) This option was failing because of "writing to a closed appender"
>    d) Attached is the code "CustomLogger.java"
>    
> 2) Modified the AbstractLogger in Trunk and added the below methods:
>       @Override
>     public void info(final String message) {
>     String updtMessage = message + " amexlogger_error=\"Incorrect method used\"";
>         logIfEnabled(FQCN, Level.INFO, null, updtMessage, (Throwable) null);
>     }
>  public void info(final String transactionId, final String app_name, final String event_name,
final String action, final String desc, final String result, final String reason, final String...
moreFields) { 
>        String message = "transaction_id=" + transactionId + " " + "app_name=" + app_name
+ " " + "event_name=" + event_name + " " + "action=" + action;
>  
>         logIfEnabled(FQCN, Level.INFO, null, message, (Throwable) null);
>     }
> 	I don't want to modify the methods inside the log4j-api. 
> 	
> Please help me with the correct approach on how to use log4j2 for this usecase.
> Thanks
> Sibish



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