[jira] [Created] (TIKA-669) Backup plan for parsing

["Jukka Zitting (JIRA)" <ji...@apache.org>]

Backup plan for parsing
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                 Key: TIKA-669
                 URL: https://issues.apache.org/jira/browse/TIKA-669
             Project: Tika
          Issue Type: New Feature
          Components: parser
            Reporter: Jukka Zitting


Currently once a document type has been detected we direct the document to the one parser that best matches the detected type. In practice there are cases where that parser finds that it in fact cannot parse this document, for example when something that looked like XML turns out to have syntax errors. For such cases it would be nice if the CompositeParser could then retry parsing the document with a more generic backup parser, like the plain text parser for malformed XML.

Implementing this would require some level of buffering and redirection of both parser input and output. Input buffering is easy, but for output buffering we'd probably need to implement new ContentHandler and Metadata layers.

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