freeacs/freeacs

When logging a message there are several important requirements which must be fulfilled:

• The user must be able to easily retrieve the logs
• The format of all logged message must be uniform to allow the user to easily read the log
• Logged data must actually be recorded
• Sensitive data must only be logged securely

If a program directly writes to the standard outputs, there is absolutely no way to comply with those requirements. That's why defining and using a dedicated logger is highly recommended.

Noncompliant Code Example

System.out.println("My Message");  // Noncompliant

Compliant Solution

logger.log("My Message");

See

• CERT, ERR02-J. - Prevent exceptions while logging data

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This documentation is written and maintained by the Checkstyle community and is covered under the same license as the Checkstyle project.