001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.camel.converter;
018
019import java.time.Duration;
020import java.util.regex.Matcher;
021import java.util.regex.Pattern;
022
023import org.apache.camel.Converter;
024import org.slf4j.Logger;
025import org.slf4j.LoggerFactory;
026
027/**
028 * Converters for java.time.Duration.
029 * Provides a converter from a string (ISO-8601) to a Duration,
030 * a Duration to a string (ISO-8601) and
031 * a Duration to millis (long)
032 */
033@Converter
034public final class DurationConverter {
035    private static final Logger LOG = LoggerFactory.getLogger(DurationConverter.class);
036
037    /**
038     * Utility classes should not have a public constructor.
039     */
040    private DurationConverter() {
041    }
042    
043    @Converter
044    public static long toMilliSeconds(Duration source) {
045        long milliseconds = source.toMillis();
046        LOG.trace("source: {} milliseconds: ", source, milliseconds);
047        return milliseconds;
048    }
049
050    @Converter
051    public static Duration fromString(String source) {
052        Duration duration = Duration.parse(source);
053        LOG.trace("source: {} milliseconds: ", source, duration);
054        return duration;
055    }
056
057    @Converter
058    public static String asString(Duration source) {
059        String result = source.toString();
060        LOG.trace("source: {} milliseconds: ", source, result);
061        return result;
062    }
063}