The first one you point to is a “Built-in Binding”. However, I do not see
this in the guice-3.0.jar. Also, how do I use it?
The second link on Custom Injections scans for a Logger in each class, so
this does not seem to be using AOP.
Here is the class I came up with, below. My problem is that I don’t see how
to install the pointcut to intercept a specific method in a class. I can
bind it to all methods, but not one method. How can I do that?
public class WhisperModule extends AbstractMurmurModule {
@Override
protected void configure() {
…
bindInterceptor(Matchers.subclassesOf(WhisperTerminal.class),
Matchers.any(), new LoggingInterceptor());
}
}
public class LoggingInterceptor implements MethodInterceptor {
private Logger logger;
public LoggingInterceptor() {
PropertyConfigurator.configure("log4j.properties");
logger = Logger.getLogger(LoggingInterceptor.class);
}
public Object invoke(MethodInvocation methodInvocation) throws Throwable
{
String header = methodInvocation.getThis().getClass()
+ ":" + methodInvocation.getMethod().getName();
logger.info(header + " invocation");
Object result = null;
try {
result = methodInvocation.proceed();
logger.info(header + " return: " + result);
return result;
} catch (Exception ex) {
logger.error(header, ex);
throw ex;
}
}
}
Thanks,
Rob
From: [email protected] [mailto:[email protected]]
On Behalf Of Cédric Beust ?
Sent: Tuesday, October 09, 2012 10:56 PM
To: [email protected]
Subject: Re: Aspect logging in Guice?
Something like that
<http://code.google.com/p/google-guice/wiki/BuiltInBindings> ?
Or you could inject your own loggers with type listeners
<http://code.google.com/p/google-guice/wiki/CustomInjections> .
--
Cédric
On Tue, Oct 9, 2012 at 5:31 PM, Rob Withers <[email protected]> wrote:
Before I run off and implement a LoggingInterceptor, is there an AOP logging
facility in core guice or an extension I could use?
Thanks,
Rob
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