Examples with Token org.apache.lucene.queryparser.classic.Token used on opensource projects

Example 1 with Token

use of org.apache.lucene.queryparser.classic.Token in project graylog2-server by Graylog2.

the class SearchResource method createRequestExceptionForParseFailure.

protected WebApplicationException createRequestExceptionForParseFailure(String query, SearchPhaseExecutionException e) {
    LOG.warn("Unable to execute search: {}", e.getMessage());
    QueryParseError errorMessage = QueryParseError.create(query, "Unable to execute search", e.getClass().getCanonicalName());
    // We're so going to hell for this…
    if (e.toString().contains("nested: QueryParsingException")) {
        final QueryParser queryParser = new QueryParser("", new StandardAnalyzer());
        try {
            queryParser.parse(query);
        } catch (ParseException parseException) {
            Token currentToken = null;
            try {
                // FIXME I have no idea why this is necessary but without that call currentToken will be null.
                final ParseException exception = queryParser.generateParseException();
                currentToken = exception.currentToken;
            } catch (NullPointerException npe) {
                // "Normal" exception and no need to spam the logs with it.
                LOG.debug("Exception thrown while generating parse exception.", npe);
            }
            if (currentToken == null) {
                LOG.warn("No position/token available for ParseException.", parseException);
                errorMessage = QueryParseError.create(query, parseException.getMessage(), parseException.getClass().getCanonicalName());
            } else {
                // scan for first usable token with position information
                int beginColumn = 0;
                int beginLine = 0;
                int endColumn = 0;
                int endLine = 0;
                while (currentToken != null && beginLine == 0) {
                    beginColumn = currentToken.beginColumn;
                    beginLine = currentToken.beginLine;
                    endColumn = currentToken.endColumn;
                    endLine = currentToken.endLine;
                    currentToken = currentToken.next;
                }
                errorMessage = QueryParseError.create(query, beginColumn, beginLine, endColumn, endLine, parseException.getMessage(), parseException.getClass().getCanonicalName());
            }
        }
        return new BadRequestException(Response.status(Response.Status.BAD_REQUEST).entity(errorMessage).build());
    } else {
        return new InternalServerErrorException("Unable to fulfill search request", e);
    }
}