Sylvain Wallez wrote:
We already have an ExceptionUtil in org.apache.avalon.framework.ExceptionUtil.
I would prefer adding a couple signatures:
/** two member version will set the first variable if not set, or throw
exception */
ExceptionUtil.check(this.manager, manager, "Manager already set");
/** one member version used for state checking */
ExceptionUtil.check(this.isInitialized, "Component not initialized");
That's nice : it avoids an additional class and the associated import,
but "check" may be to imprecise in the context of "ExceptionUtil". So
what about something like "checkImmutable()" for the first one ? The
second is a simple assertion, so what about an "assertTrue()" (until the
whole world uses JDK 1.4) ?
Actually I started a ComponentUtil to assist in the process. The
ComponentUtil
uses a long with bit flags to test if it is legal to perform the verious
operations.
It will be helpful, and I think it belongs in Framework. What do you all
think?
--
"Those who would trade liberty for
temporary security deserve neither"
- Benjamin Franklin
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