2017-12-25 11:30:24 +02:00

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---
layout: pattern
title: EIP Wire Tap
folder: eip-wire-tap
permalink: /patterns/eip-wire-tap/
categories: Integration
tags:
- Java
- Difficulty-Intermittent
- EIP
---
## Intent
In most integration cases there is a need to monitor the messages flowing through the system. It is usually achieved
by intercepting the message and redirecting it to a different location like console, filesystem or the database.
It is important that such functionality should not modify the original message and influence the processing path.
![alt text](./etc/wiretap.gif "Wire Tap")
## Applicability
Use the Wire Tap pattern when
* You need to monitor messages flowing through the system
* You need to redirect the same, unchanged message to two different endpoints/paths
## Credits
* [Gregor Hohpe, Bobby Woolf - Enterprise Integration Patterns](http://www.enterpriseintegrationpatterns.com/patterns/messaging/WireTap.html)
* [Apache Camel - Documentation](http://camel.apache.org/wire-tap.html)