Substitution rule examples

Using the Positions, Match and Substitution fields

The following examples illustrate how to use the Positions, Match and Substitution fields of a substitution rule.

1. Substitution rule to retrieve msg attribute value with separator token and designation token specified.
   
   Log record:
   <March 14, 2004 10:25:21 EST> application:myapp severity:3 instance:01 message:WARNING-file style.css missing
   
   Rule specifications:
   Separator Token= []{2}
   Designation Token= :
   Postions=$h('message')
   Match=(.*)
   Substitution=$1
   
   Resulting value assigned to the msg attribute:
   WARNING-file style.css missing
   
   
2. Substitution rule to retrieve msg attribute value with only separator token specified.
   
   Log record:
   <March 14, 2004 10:25:21 EST>;myapp;3;01;WARNING-file style.css missing
   
   Rule specifications:
   Separator Token=;
   Designation Token=
   Positions= 5
   Match= (.*)
   Substitution= $1
   
   Resulting value assigned to the msg attribute:
   WARNING-file style.css missing
   
   
3. Substitution rule to retrieve msg attribute value with only separator token specified.
   
   Log record:
   <March 14, 2004 10:25:21 EST>;myapp;3;01;WARNING;file style.css missing
   
   Rule specifications:
   Separator Token=;
   Designation Token=
   Positions= 5@@6
   Match= (.*)@@(.*)
   Substitution= $1-$2
   
   Resulting value assigned to the msg attribute:
   WARNING-file style.css missing

Using the Time Format field

The following examples illustrate how to use the Time Format field of a substitution rule.

1. Substitution rule to retrieve creationTime attribute value with no separator or designation token specified.
   Log record:
   <March 14, 2004 10:25:21 EST> myapp 3 01 WARNING file style.css missing
   
   Rule specifications:
   Separator Token=
   Designation Token=
   Positions=
   Match= ^<(.*)>.*
   Substitution= $1
   Time Format= MMMM dd, yyyy hh:mm:ss z
   
   
   Resulting value assigned to the creationTime attribute:
   2004-03-14T15:25:21.000Z
   

Parent topic: Creating a rules-based adapter

Copyright © 2005 IBM Corporation. All rights reserved. This document and the accompanying materials are made available under the terms of the Eclipse Public License v1.0 which is available at http://www.eclipse.org/legal/epl-v10.html