Need ability to log warnings, errors etc for controls assembly
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Key: BEEHIVE-209
URL: http://issues.apache.org/jira/browse/BEEHIVE-209
Project: Beehive
Type: Bug
Components: Controls
Versions: V1Beta
Environment: Windows
Reporter: Lawrence Jones
Currently if something goes wrong or you want to warn the user of something in
assembly you have 2 choices:
1. write directly to System.out or System.err
2. raise an exception
At the moment all exceptions are caught in Assembler.assemble(). A stack trace
is written to stderr but the exception is not rethrown so AssembleTask looks as
though it finishes successfully.
But if that is fixed there is no way to raise a warning or information message
without either stopping assembly completely or writing to stdout or stderr
directly.
We should provide a Logger interface available via the assembly context to
which you can log errors, warnings and info messages at least. And we should
provide an implementation of this interface which can be used by default in the
AssembleTask.
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