org.jwall.web.audit.processor
Class XForwardedForResolver

java.lang.Object
  org.jwall.web.audit.processor.XForwardedForResolver

All Implemented Interfaces:

EventProcessor<AuditEvent>

public class XForwardedForResolver
extends Object
implements EventProcessor<AuditEvent>

This class implements a simple resolver for X-Forwarded-For headers. It will replace the REMOTE_ADDR variable with the X-Forwarded-For address, if such a header is present.

Author:

Christian Bockermann <chris@jwall.org>

Field Summary

static String

X_FORWARDED_FOR Header variables are treated case-insensitive, we make this all upper-case

Fields inherited from interface org.jwall.audit.EventProcessor

DELETE_FLAG

Constructor Summary

XForwardedForResolver()

Method Summary

AuditEvent

processEvent(AuditEvent event, Map<String,Object> context) This method is called upon event reception.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

X_FORWARDED_FOR

public static String X_FORWARDED_FOR

Header variables are treated case-insensitive, we make this all upper-case

Constructor Detail

XForwardedForResolver

public XForwardedForResolver()

Method Detail

processEvent

public AuditEvent processEvent(AuditEvent event,
                               Map<String,Object> context)
                        throws Exception

Description copied from interface: EventProcessor

This method is called upon event reception. The given map provides a context to communicate data between several event-processors. The implementor of this interface needs to take care that calls to this class my come from different threads, i.e. no state should be stored in the class to diminish the risk of concurrency problems.

Specified by:

processEvent in interface EventProcessor<AuditEvent>

Returns:

Throws:

Exception

See Also:

EventProcessor.processEvent(org.jwall.audit.Event, java.util.Map)