[LOG4J2-1932] Add containsKey() method to class org.apache.logging.log4j.message.MapMessage

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.9.0
• Assignee: Gary D. Gregory
• Reporter: Gary D. Gregory
• Created: 02/Jun/17 22:33
• Updated: 02/Jun/17 22:39
• Resolved: 02/Jun/17 22:39

Description

Add the method containsKey() method to class org.apache.logging.log4j.message.MapMessage which delegates to the underlying data:

    /**
     * Returns {@code true} if this data structure contains the specified key, {@code false} otherwise.
     *
     * @param key the key whose presence to check. May be {@code null}.
     * @return {@code true} if this data structure contains the specified key, {@code false} otherwise
     * @since 2.9
     */
    public boolean containsKey(final String key) {
        return data.containsKey(key);
    }