[jira] [Updated] (TIKA-1607) Introduce new arbitrary object key/values data structure for persistence of Tika Metadata

["Chris A. Mattmann (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TIKA-1607?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chris A. Mattmann updated TIKA-1607:
------------------------------------
    Fix Version/s:     (was: 1.11)
                   1.12

> Introduce new arbitrary object key/values data structure for persistence of Tika Metadata
> -----------------------------------------------------------------------------------------
>
>                 Key: TIKA-1607
>                 URL: https://issues.apache.org/jira/browse/TIKA-1607
>             Project: Tika
>          Issue Type: Improvement
>          Components: core, metadata
>            Reporter: Lewis John McGibbney
>            Assignee: Lewis John McGibbney
>            Priority: Critical
>             Fix For: 1.12
>
>         Attachments: TIKA-1607v1_rough_rough.patch, TIKA-1607v2_rough_rough.patch, TIKA-1607v3.patch
>
>
> I am currently working implementing more comprehensive extraction and enhancement of the Tika support for Phone number extraction and metadata modeling.
> Right now we utilize the String[] multivalued support available within Tika to persist phone numbers as 
> {code}
> Metadata: String: String[]
> Metadata: phonenumbers: number1, number2, number3, ...
> {code}
> I would like to propose we extend multi-valued support outside of the String[] paradigm by implementing a more abstract Collection of Objects such that we could consider and implement the phone number use case as follows
> {code}
> Metadata: String:  Object
> {code}
> Where Object could be a Collection<HashMap<String/Property, HashMap<String/Property, String/Int/Long>> e.g.
> {code}
> Metadata: phonenumbers: [(+162648743476: (LibPN-CountryCode : US), (LibPN-NumberType: International), (etc: etc)...), (+1292611054: LibPN-CountryCode : UK), (LibPN-NumberType: International), (etc: etc)...) (etc)] 
> {code}
> There are obvious backwards compatibility issues with this approach... additionally it is a fundamental change to the code Metadata API. I hope that the <String, Object> Mapping however is flexible enough to allow me to model Tika Metadata the way I want.
> Any comments folks? Thanks
> Lewis



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