org.graylog2.streams.StreamRuleMatcherFactory Maven / Gradle / Ivy
/**
* 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.streams;
import org.graylog2.plugin.streams.StreamRuleType;
import org.graylog2.streams.matchers.*;
/**
* @author Lennart Koopmann
*/
public class StreamRuleMatcherFactory {
public static StreamRuleMatcher build(StreamRuleType ruleType) throws InvalidStreamRuleTypeException {
StreamRuleMatcher matcher = null;
switch (ruleType) {
case EXACT:
matcher = new ExactMatcher();
break;
case REGEX:
matcher = new RegexMatcher();
break;
case GREATER:
matcher = new GreaterMatcher();
break;
case SMALLER:
matcher = new SmallerMatcher();
break;
case PRESENCE:
matcher = new FieldPresenceMatcher();
break;
default:
throw new InvalidStreamRuleTypeException();
}
return matcher;
}
}