/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.flume.interceptor;
import org.apache.commons.lang.StringUtils;
import org.apache.flume.Context;
import org.apache.flume.conf.ComponentConfiguration;
import org.joda.time.DateTime;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;
import com.google.common.base.Preconditions;
/**
* Serializer that converts the passed in value into milliseconds using the
* specified formatting pattern
*/
public class RegexExtractorInterceptorMillisSerializer implements
RegexExtractorInterceptorSerializer {
private DateTimeFormatter formatter;
@Override
public void configure(Context context) {
String pattern = context.getString("pattern");
Preconditions.checkArgument(!StringUtils.isEmpty(pattern),
"Must configure with a valid pattern");
formatter = DateTimeFormat.forPattern(pattern);
}
@Override
public String serialize(String value) {
DateTime dateTime = formatter.parseDateTime(value);
return Long.toString(dateTime.getMillis());
}
@Override
public void configure(ComponentConfiguration conf) {
// NO-OP...
}
}