Hello,
I'm not sure if I should comment as I have no time to
contribute LOC but I thought I may as well ;).
Mark Schreiber wrote:
Hi -
I would like to strongly advocate the liberal and extensive use of
Logging in BioJava3. The lack of this plagued us (me at least) during
bug fixes in previous versions of BioJava. The default Java logging
API is very flexible and easily meets our needs. It's also not too
much effort for developers to put in place (you know you use
System.println() all over the place anyway).
Hmm, that is true but for total completeness you can use
commons-logging, that is very easy to use and much more flexible as it
can encapsulate other logging mechanisms (including JDK1.4 logging
framework). To use it you simply declare a new logger as follows:
private static final Log logger = LogFactory.getLog(<Insert classname
here>);
The rest of it works pretty much the same as below- if you dovetail
commons-logging with log4j then you'll cover the most common case of
logging used in other frameworks - the config files to setup log4j (XML
and preperties fiels) are well documented all over the web.
<snip>
I know from experience we will definitely get the most value from this
in the IO parsers and ThingBuilders.
Any thoughts?
+1
- Mark
private Logger logger = Logger.getLogger("org.biojava.MyClass");
public Object generateObject(String argument){
logger.entering(""+getClass(), "generateObject", argument);
//expensive logging operation
if (logger.isLoggable( Level.CONFIG )) {
logger.config("DB config: "+ getDBConfigInfo());
}
Object obj = null;
try{
//do some stuff
logger.fine("doing stuff");
obj = new Object();
}catch(Exception ex){
logger.severe("Failed to do stuff");
logger.throwing(""+getClass(), "generateObject", ex);
}
logger.exiting(""+getClass(), "generateObject", obj);
return obj;
}
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