LuceneQueryValidator

Creating a syntactical and lexical validator for a query in elasticsearch 7.7 based on lucene 8.4.1

About

The code has been used from https://github.com/apache/lucene-solr/tree/master/lucene/queryparser/src/java/org/apache/lucene/queryparser/classic

File Changes

• ParseException

  • Returns "Syntax Error"

• TokenMgrError

  • Returns "Lexical Error" during parsing
  • Contains a token specifying the error line, column, image

• QueryParserBase

  • Handles ParseException by retrieving expected token images
  • Handles TokenMgrError by parsing into ParseException