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/**
* This file is part of Graylog.
*
* Graylog is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Graylog is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Graylog. If not, see .
*/
package org.graylog2.inputs.extractors;
import com.codahale.metrics.MetricRegistry;
import org.graylog2.ConfigurationException;
import org.graylog2.grok.GrokPatternService;
import org.graylog2.plugin.inputs.Converter;
import org.graylog2.plugin.inputs.Extractor;
import javax.inject.Inject;
import java.util.List;
import java.util.Map;
public class ExtractorFactory {
private final MetricRegistry metricRegistry;
private final GrokPatternService grokPatternService;
@Inject
public ExtractorFactory(MetricRegistry metricRegistry, GrokPatternService grokPatternService) {
this.metricRegistry = metricRegistry;
this.grokPatternService = grokPatternService;
}
public Extractor factory(String id,
String title,
long order,
Extractor.CursorStrategy cursorStrategy,
Extractor.Type type,
String sourceField,
String targetField,
Map extractorConfig,
String creatorUserId, List converters,
Extractor.ConditionType conditionType,
String conditionValue)
throws NoSuchExtractorException, Extractor.ReservedFieldException, ConfigurationException {
// TODO convert to guice factory
switch (type) {
case REGEX:
return new RegexExtractor(metricRegistry, id, title, order, cursorStrategy, sourceField, targetField, extractorConfig, creatorUserId, converters, conditionType, conditionValue);
case SUBSTRING:
return new SubstringExtractor(metricRegistry, id, title, order, cursorStrategy, sourceField, targetField, extractorConfig, creatorUserId, converters, conditionType, conditionValue);
case SPLIT_AND_INDEX:
return new SplitAndIndexExtractor(metricRegistry, id, title, order, cursorStrategy, sourceField, targetField, extractorConfig, creatorUserId, converters, conditionType, conditionValue);
case COPY_INPUT:
return new CopyInputExtractor(metricRegistry, id, title, order, cursorStrategy, sourceField, targetField, extractorConfig, creatorUserId, converters, conditionType, conditionValue);
case REGEX_REPLACE:
return new RegexReplaceExtractor(metricRegistry, id, title, order, cursorStrategy, sourceField, targetField, extractorConfig, creatorUserId, converters, conditionType, conditionValue);
case GROK:
return new GrokExtractor(metricRegistry, grokPatternService.loadAll(), id, title, order, cursorStrategy, sourceField, targetField, extractorConfig, creatorUserId, converters, conditionType, conditionValue);
case JSON:
return new JsonExtractor(metricRegistry, id, title, order, cursorStrategy, sourceField, targetField, extractorConfig, creatorUserId, converters, conditionType, conditionValue);
default:
throw new NoSuchExtractorException();
}
}
public static class NoSuchExtractorException extends Exception {
}
}
