IBM420 charset detection's isLamAlef is allocation-happy
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Key: TIKA-529
URL: https://issues.apache.org/jira/browse/TIKA-529
Project: Tika
Issue Type: Bug
Components: parser
Affects Versions: 0.8
Reporter: Radek
Priority: Minor
Two IBM420 charset detectors (rtl and ltr) run isLamAlef() for each byte of
detection buffer.
The code is allocating and filling a bytes array every time it runs, which
makes it responsible for approximately 70% of all object allocations in my
current test case (many text files).
Since array is identical every time, and the entire thing can be achieved
without any array, this is wasteful.
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