Indexing your office documents with Elastic stack and FSCrawler
A presentation at Devoxx UK in in London, UK by David Pilato
Indexing your office documents with Elastic and FSCrawler David Pilato Developer | Evangelist, Community @dadoonet 1
Parsing a stream and getting content and metadata static void extractTextAndMetadata(InputStream stream) throws Exception { BodyContentHandler handler = new BodyContentHandler(); Metadata metadata = new Metadata(); try (stream) { new DefaultParser().parse(stream, handler, metadata, new ParseContext()); String extractedText = handler.toString(); String title = metadata.get(TikaCoreProperties.TITLE); String keywords = metadata.get(TikaCoreProperties.KEYWORDS); String author = metadata.get(TikaCoreProperties.CREATOR); } }
ingest-attachment plugin extracting from BASE64 or CBOR 5
An ingest pipeline
ingest-attachment processor plugin using Tika behind the scene
Demo https://cloud.elastic.co 8
FSCrawler You know, for files… 9
Disclaimer This project is a community project. It is not officially supported by Elastic. Support is only provided by FSCrawler community on discuss and stackoverflow. http://discuss.elastic.co/ https://stackoverflow.com/questions/tagged/fscrawler
FSCrawler Architecture FSCrawler Local Dir JSON (noop) Mount Point XML SSH / SCP / FTP Apache Tika ES 6/7/8 HTTP Rest Inputs Filters Outputs
FSCrawler Key Features • • • Much more formats than ingest attachment plugin OCR (Tesseract) Much more metadata than ingest attachment plugin (See https://fscrawler.readthedocs.io/en/latest/admin/fs/elasticsearch.html#generated-fields) • Language detection
Documentation • • • • https://fscrawler.readthedocs.io/ https://fscrawler.readthedocs.io/en/latest/user/tutorial.html https://fscrawler.readthedocs.io/en/latest/user/formats.html https://fscrawler.readthedocs.io/en/latest/admin/fs/index.html https://fscrawler.readthedocs.io/en/latest/
FSCrawler even better with a UI 15
FSCrawler Architecture FSCrawler Local Dir JSON (noop) Mount Point XML SSH / SCP / FTP Apache Tika WP 7/8 Filters Outputs ES 6/7/8 HTTP Rest Inputs
Demo https://cloud.elastic.co 17
Thanks! PR are warmly welcomed! https://github.com/dadoonet/fscrawler
You have plenty of Open Office, Microsoft Office, PDF, images… documents and you may want to be able to search for their metadata and content. How can you do that?
In this talk, David will explain how Apache Tika can be used for that and how to combine this fantastic library with Elastic Stack:
-
Elasticsearch ingest-attachment plugin
-
Workplace Search connector for FSCrawler to have a ready to use and powerful user interface for your documents.
Video
Resources
The following resources were mentioned during the presentation or are useful additional information.
Buzz and feedback
Here’s what was said about this presentation on social media.
