Re: How do you get full class name (including package) as a string?

From:
Lew <lew@lewscanon.com>
Newsgroups:
comp.lang.java.programmer
Date:
Tue, 1 Dec 2009 13:49:52 -0800 (PST)
Message-ID:
<3ea85b6f-3ae1-439c-af2f-4682fe3984b7@9g2000yqa.googlegroups.com>
laredotornado wrote:

Class<?> c = Class.forName
("myco.galc.capitol.tours.test.SelectTourValidationErrorsTest");

in which the string
"myco.galc.capitol.tours.test.SelectTourValidationErrorsTest" refers
to the current class (this) and its package. What is another way of
writing that expression that does not rely on hard-coding the package
and class name?


Lothar Kimmeringer wrote:

this.getClass().getName()


Don't you mean just 'getClass()', since the assignment is to a 'Class'
variable and not a 'String'?

This is useful for getting the current class, but useless if "that
expression" to which the OP refers is 'Class.forName()' and not
'Class<?> c'.

If the goal is to load and initialize a class as 'forName()' does,
then 'getClass()' will not be available, or else the class is already
loaded and initialized and there's no need. For this goal one pretty
much needs a class name, but it can be read from an external source
rather than hard coded.

If the goal is to get the current class's 'Class' instance, then
either 'getClass()', as you say, or
'SelectTourValidationErrorsTest.class' yields it. The latter is
necessary in a static context.

--
Lew

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