Better handling of delegating parser implementations
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Key: TIKA-238
URL:
https://issues.apache.org/jira/browse/TIKA-238 Project: Tika
Issue Type: Improvement
Components: config, parser
Reporter: Jukka Zitting
Assignee: Jukka Zitting
Priority: Minor
Fix For: 0.4
Delegating Parser implementations (i.e. ones that call another Parser instance to process some parts of the input document) like the PackageParser subclasses currently simply instantiate a new AutoDetectParser() whenever a more specific delegate parser has not been specified. This is troublesome as it 1) makes customization more difficult and 2) performs poorly since a new AutoDetectParser (with a new freshly parsed copy of the default configuration) is currently instantiated whenever such a delegating parser is used.
Instead of working around the issue with things like keeping a static copy of the pre-parsed default configuration, I'd like to solve this issue by introducing a new DelegatingParser abstraction for this and hooking it to the configuration mechanism.
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