| /** |
| * 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.camel.converter; |
| |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| import org.apache.camel.Converter; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @Converter |
| public final class TimePatternConverter { |
| private static final transient Logger LOG = LoggerFactory.getLogger(TimePatternConverter.class); |
| private static final String NUMBERS_ONLY_STRING_PATTERN = "^[-]?(\\d)+$"; |
| private static final String REPLACEMENT_PATTERN = "[our|inute|econd](s)?"; |
| private static final String HOUR_REGEX_PATTERN = "((\\d)*(\\d))[h|H]"; |
| private static final String MINUTES_REGEX_PATTERN = "((\\d)*(\\d))[m|M]"; |
| private static final String SECONDS_REGEX_PATTERN = "((\\d)*(\\d))[s|S]"; |
| |
| /** |
| * Utility classes should not have a public constructor. |
| */ |
| private TimePatternConverter() { |
| } |
| |
| @Converter |
| public static long toMilliSeconds(String source) throws IllegalArgumentException { |
| long milliseconds = 0; |
| boolean foundFlag = false; |
| Matcher matcher; |
| |
| matcher = createMatcher(NUMBERS_ONLY_STRING_PATTERN, source); |
| if (matcher.find()) { |
| // Note: This will also be used for regular numeric strings. |
| // This String -> long converter will be used for all strings. |
| milliseconds = Long.valueOf(source).longValue(); |
| } else { |
| matcher = createMatcher(REPLACEMENT_PATTERN, source); |
| String replacedSource = matcher.replaceAll(""); |
| |
| LOG.trace("Replaced original source {} to {}", source, replacedSource); |
| |
| matcher = createMatcher(HOUR_REGEX_PATTERN, replacedSource); |
| if (matcher.find()) { |
| milliseconds = milliseconds + (3600000 * Long.valueOf(matcher.group(1)).longValue()); |
| foundFlag = true; |
| } |
| |
| matcher = createMatcher(MINUTES_REGEX_PATTERN, replacedSource); |
| if (matcher.find()) { |
| long minutes = Long.valueOf(matcher.group(1)).longValue(); |
| if ((minutes > 59) && foundFlag) { |
| throw new IllegalArgumentException("Minutes should contain a valid value between 0 and 59: " + source); |
| } |
| foundFlag = true; |
| milliseconds = milliseconds + (60000 * minutes); |
| } |
| |
| matcher = createMatcher(SECONDS_REGEX_PATTERN, replacedSource); |
| if (matcher.find()) { |
| long seconds = Long.valueOf(matcher.group(1)).longValue(); |
| if ((seconds > 59) && foundFlag) { |
| throw new IllegalArgumentException("Seconds should contain a valid value between 0 and 59: " + source); |
| } |
| foundFlag = true; |
| milliseconds = milliseconds + (1000 * seconds); |
| } |
| |
| // No pattern matched... initiating fallback check and conversion (if required). |
| // The source at this point may contain illegal values or special characters |
| if (!foundFlag) { |
| milliseconds = Long.valueOf(source).longValue(); |
| } |
| } |
| |
| LOG.trace("source: {} milliseconds: ", source, milliseconds); |
| |
| return milliseconds; |
| } |
| |
| private static Matcher createMatcher(String regexPattern, String source) { |
| Pattern pattern = Pattern.compile(regexPattern, Pattern.CASE_INSENSITIVE); |
| return pattern.matcher(source); |
| } |
| } |