[LOG4J2-2638] Add and use method org.apache.logging.log4j.message.MapMessage.toKey(String) for simpler subclasses

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.0, 2.12.0
• Assignee: Gary D. Gregory
• Reporter: Gary D. Gregory
• Created: 21/Jun/19 13:48
• Updated: 21/Jun/19 14:18
• Resolved: 21/Jun/19 14:18

Description

Add and use method a new method org.apache.logging.log4j.message.MapMessage.toKey(String) for simpler subclasses:

    /**
     * Allows subclasses to change a candidate key to an actual key.
     * 
     * @param candidateKey The candidate key.
     * @return The candidate key.
     * @since 2.12
     */
    protected String toKey(final String candidateKey) {
        return candidateKey;
    }