Tim Allison created TIKA-1528:
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Summary: Add an OverrideDetector that overrides other detectors
Key: TIKA-1528
URL: https://issues.apache.org/jira/browse/TIKA-1528
Project: Tika
Issue Type: Improvement
Reporter: Tim Allison
Priority: Minor
While working on TIKA-1511, I found a need to bypass our current detection
mechanism. I think that there are other use cases for this. The idea is that
a client or a tika-internal call wants to specify the Content-Type for a
document and bypass the regular mime detection chain.
We currently have the TypeDetector that returns the "Content-Type" as specified
in the Metadata, but there are two deficiencies in using that class for this
purpose:
* Content-Type is ambiguous, currently, when it comes into a Parser or
Detector, it could be used as a hint or as a direction. I'd like the
OverrideDetector to use a different metadata key from our usual "Content-Type.
* The ordering of the TypeDetector is based on alphabetic order of its class
name. I'd like the OverrideDetector to be run first and then short
circuit/bypass the other detectors.
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