| Apache Sling MDC Inserting Filter |
| ================================ |
| |
| This filter exposes various request details as part of [MDC][1]. |
| |
| Currently it exposes following variables: |
| |
| 1. `req.remoteHost` - Request remote host |
| 2. `req.userAgent` - User Agent Header |
| 3. `req.requestURI` - Request URI |
| 4. `req.queryString` - Query String from request |
| 5. `req.requestURL` - |
| 6. `req.xForwardedFor` - |
| 7. `sling.userId` - UserID associated with the request. Obtained from ResourceResolver |
| 8. `jcr.sessionId` - Session ID of the JCR Session associated with current request. |
| |
| The filter also allow configuration to extract data from request cookie, header and parameters. Look for |
| configuration with name 'Apache Sling Logging MDC Inserting Filter' for details on specifying header, cookie, |
| param names. |
| |
| [1] http://www.slf4j.org/manual.html#mdc |
