[jboss-jira] [JBoss JIRA] (LOGTOOL-84) Provide mechanism for preparing string representations of logged objects

Provide mechanism for preparing string representations of logged objects ------------------------------------------------------------------------ Key: LOGTOOL-84 URL: https://issues.jboss.org/browse/LOGTOOL-84 Project: Log Tool Issue Type: Feature Request Security Level: Public(Everyone can see) Reporter: Gunnar Morling Assignee: David Lloyd There are cases where a fine-grained control of the string representation of logged objects in log messages would be useful. When logging {{Class}} objects for instance, we would like to see the fully-qualified name of the given class in the log message. Currently we get _(class|interface) com.acme.Foo_, though, as per the implementation of {{j.l.Class#toString()}}, which prepends the type of the given class object. As workaround, we currently define the log method to accept a String parameter and pass {{myClass.getName()}} to it. Having a strongly typed log method which takes the "real" object as parameter seems preferable, though. A possible solution could be a mechanism which allows to register to-string converters for given types with a logger: {code} //Provided by JBoss Logging API public interface StringConverter<T> { String createString(T object); } //A project-specific implementation public class ClassStringConverter implements StringConverter<Class<?>> { public String createString(Class<?> object) { return object.getName(); } } //Project-specific logger, references 1..n converters @MessageLogger(projectCode = "HV", converters=ClassStringConverter.class) public interface Log extends BasicLogger { //implementation uses converter to create string representation of given class @LogMessage(level = INFO) @Message(id = 1, value = "Illegal class %s") void illegalClass(Class<?> clazz); } {code} Would such a feature make sense to you?