Provide MessageFormat based logging method
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Key: FELIX-3180
URL: https://issues.apache.org/jira/browse/FELIX-3180
Project: Felix
Issue Type: Improvement
Components: Configuration Admin
Affects Versions: configadmin-1.2.8
Reporter: Felix Meschberger
Assignee: Felix Meschberger
Fix For: configadmin-1.4.0
Currently there is only a single logging method in the ConfigurationManager
class:
log(int level, String message, Throwable t)
This allows fixed strings to be logged at certain levels. If the messages are
composed of dynamic content (e.g. configuration PIDs) this requires String
concatenations and thus -- to prevent performance issues -- guarding the calls
with isEnabled(int level) calls. This clutters the code.
To improve this situation a new logging method
log(int level, String format, Object[] args)
should be added where format is a MessageFormat pattern and args is the
MessageFormat argument vector. The message is generated calling
MessageFormat.format(format, args)
and the result used as the message argument to the existing log method. If the
last entry in the args array is a Throwable it is used as the Throwable
argument to the log method.
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