Examples with Match oi.thekraken.grok.api.Match used on opensource projects

Example 1 with Match

use of oi.thekraken.grok.api.Match in project graylog2-server by Graylog2.

the class GrokExtractor method run.

@Override
protected Result[] run(String value) {
    // the extractor instance is rebuilt every second anyway
    final Match match = grok.match(value);
    match.captures();
    final Map<String, Object> matches = match.toMap();
    final List<Result> results = Lists.newArrayListWithCapacity(matches.size());
    for (final Map.Entry<String, Object> entry : matches.entrySet()) {
        // never add null values to the results, those don't make sense for us
        if (entry.getValue() != null) {
            results.add(new Result(entry.getValue(), entry.getKey(), -1, -1));
        }
    }
    return results.toArray(new Result[results.size()]);
}

Example 2 with Match

use of oi.thekraken.grok.api.Match in project graylog2-server by Graylog2.

the class GrokTesterResource method doTestGrok.

private GrokTesterResponse doTestGrok(String string, String pattern, boolean namedCapturesOnly) throws GrokException {
    final Set<GrokPattern> grokPatterns = grokPatternService.loadAll();
    final Grok grok = new Grok();
    for (GrokPattern grokPattern : grokPatterns) {
        grok.addPattern(grokPattern.name(), grokPattern.pattern());
    }
    grok.compile(pattern, namedCapturesOnly);
    final Match match = grok.match(string);
    match.captures();
    final Map<String, Object> matches = match.toMap();
    final GrokTesterResponse response;
    if (matches.isEmpty()) {
        response = GrokTesterResponse.create(false, Collections.<GrokTesterResponse.Match>emptyList(), pattern, string);
    } else {
        final List<GrokTesterResponse.Match> responseMatches = Lists.newArrayList();
        for (final Map.Entry<String, Object> entry : matches.entrySet()) {
            final Object value = entry.getValue();
            if (value != null) {
                responseMatches.add(GrokTesterResponse.Match.create(entry.getKey(), value.toString()));
            }
        }
        response = GrokTesterResponse.create(true, responseMatches, pattern, string);
    }
    return response;
}

Example 3 with Match

use of oi.thekraken.grok.api.Match in project cdap by caskdata.

the class GrokRecordFormat method read.

@Override
public StructuredRecord read(StreamEvent event) throws UnexpectedFormatException {
    String bodyAsStr = Bytes.toString(event.getBody(), Charsets.UTF_8);
    StructuredRecord.Builder builder = StructuredRecord.builder(schema);
    Match gm = grok.match(bodyAsStr);
    gm.captures();
    Map<String, Object> x = gm.toMap();
    for (Schema.Field field : schema.getFields()) {
        String fieldName = field.getName();
        Object value = x.get(fieldName);
        if (value != null) {
            builder.convertAndSet(fieldName, value.toString());
        }
    }
    return builder.build();
}