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Edit File: formatter

= Formatters

Formatters are responsible for formatting LogEvent data.
An Outputter owning a Formatter will invoke the 
Log4r::Formatter#format method prior to writing.

== Available Formatters

* Log4r::BasicFormatter -  default
* Log4r::PatternFormatter - most flexible. See log4r/formatter/patternformatter.rb
* Log4r::SimpleFormatter - like BasicFormatter for Strings only (low noise)
* Log4r::ObjectFormatter - for inspecting objects
* Log4r::NullFormatter - twirls on its feet and does nothing

= XML Configuration

Specify the Formatter and its class (as +type+) under an 
<tt><outputter></tt> directive:

As explained in log4r/configurator.rb, the hash arguments you would normally
pass to +new+ are specified as <i>XML parameters</i>. Only PatternFormatter
has any of these.

= Custom Formatting

Building a custom Formatter is extremely easy. Just define a class
that extends Formatter and override the Formatter#format method.
Then give it to any interested Outputters.

If you're interested in setting up your custom formatters in XML,
please take a look at log4r/configurator.rb.

== Data Available

See Log4r::LogEvent

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