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 org.apache.camel.Converter;
021import org.slf4j.Logger;
022import org.slf4j.LoggerFactory;
023
024/**
025 * Converters for java.time.Duration.
026 * Provides a converter from a string (ISO-8601) to a Duration,
027 * a Duration to a string (ISO-8601) and
028 * a Duration to millis (long)
029 */
030@Converter
031public final class DurationConverter {
032    private static final Logger LOG = LoggerFactory.getLogger(DurationConverter.class);
033
034    /**
035     * Utility classes should not have a public constructor.
036     */
037    private DurationConverter() {
038    }
039    
040    @Converter
041    public static long toMilliSeconds(Duration source) {
042        long milliseconds = source.toMillis();
043        LOG.trace("source: {} milliseconds: ", source, milliseconds);
044        return milliseconds;
045    }
046
047    @Converter
048    public static Duration fromString(String source) {
049        Duration duration = Duration.parse(source);
050        LOG.trace("source: {} milliseconds: ", source, duration);
051        return duration;
052    }
053
054    @Converter
055    public static String asString(Duration source) {
056        String result = source.toString();
057        LOG.trace("source: {} milliseconds: ", source, result);
058        return result;
059    }
060}