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From: "COHEN, STEVEN M" <sc1478@att.com>
To: Log4J Users List <log4j-user@logging.apache.org>
Subject: Copying appenders and loggers from a confgiruation to a builder
Thread-Topic: Copying appenders and loggers from a confgiruation to a builder
Thread-Index: AdJA50Q1pK1YoucNRUy5kT2KdA6scQ==
Date: Thu, 17 Nov 2016 15:29:11 +0000
Message-ID: <2A3405378AE6F24EA26ECBA87E42CEBB55278F9B@MOSTLS1MSGUSRFG.ITServices.sbc.com>
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archived-at: Thu, 17 Nov 2016 15:29:45 -0000

I am trying to construct a program that basically reads a bunch of log4j2 c=
onfiguration files and combines them into one, writing this back to disk us=
ing the new ConfigurationBuilder.writeXmlConfiguration(OutputStream) method=
. =20

But I run up against what seems to me to be a gap in the API unless I am mi=
ssing something:
Having created a ConfigurationBuilder for the destination file and having r=
ead one of the to-be-combined configuration files into a Configuration obje=
ct, there appears to be nothing in the ConfigurationBuilder interface that =
would allow, say, one of the appenders from the read-in configuration to be=
 copied, as a whole object,into the builder, short of deconstructing it dow=
n to its constituent elements and adding them one by one.

Is there a way to copy an appender from one configuration to another withou=
t drilling down into all its constituent parts?  And similarly, a way to co=
py a logger from one configuration to another without drilling down to its =
constituent parts?  Or must I write all this code myself?


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