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https://issues.apache.org/jira/browse/TIKA-3226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17272399#comment-17272399
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ASF GitHub Bot commented on TIKA-3226:
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tballison opened a new pull request #399:
URL: https://github.com/apache/tika/pull/399
TIKA-3226 -- add initial pipes module
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> Add custom connector endpoint
> -----------------------------
>
> Key: TIKA-3226
> URL: https://issues.apache.org/jira/browse/TIKA-3226
> Project: Tika
> Issue Type: New Feature
> Components: server
> Reporter: Nicholas DiPiazza
> Priority: Major
>
> Let's say you call the following api to parse a file and get its metadata and
> body content:
> {code}
> /rmeta/text
> {code}
> In order to do this, the caller needs to send the file to the tika server,
> then get the metadata and body sent to the caller. When you are working in
> microservices, this causes a lot of inner-service network communication.
> You can cut down on a majority of this overhead by using the local file
> system optimization. So that you send a file path instead of the entire file.
> But this obviously only works when you are on the same machine.
> Ideally - we would have a way to deploy "connector plugins" into tika, and be
> able to send files to be parsed with these plugins (asynchronously?).
> {code}
> /connector/{fetcherId}/{emitterId}
> {code}
> The Fetcher interface:
> init(Map initParams)
> - initializes the fetcher (for example, initialize an http connection pool,
> etc)
> void fetch(Map parseParams, Metadata metadata, OutputStream bodyOutputStream)
> - fetches the document indicated by parseParams and does whatever it is you
> want with it (for example, download a file from a web data source, then index
> the document into Solr). Sends the body to bodyOutputStream and metadata
> object will be populated with the metadata).
> The Emitter interface would be
> init(Map initParams)
> - initializes the emitter. (for example, initialize a buffer to store
> output documents to solr, connect to solr, etc)
> void emit(Map parseParams, Fetcher fetcher)
> - fetches and parses the "document" using the passed in fetcher, then emits
> it meaningfully.
> We could provide the most common fetchers and emitters such as:
> HttpFetcher
> S3Fetcher
> SolrEmitter
> ...
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