| /* |
| * 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.runtimecatalog.impl; |
| |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| /** |
| * This class is a copy from camel-core so we can use it independent to validate uris with time patterns |
| */ |
| public final class TimePatternConverter { |
| private static final Pattern NUMBERS_ONLY_STRING_PATTERN = Pattern.compile("^[-]?(\\d)+$", Pattern.CASE_INSENSITIVE); |
| private static final Pattern HOUR_REGEX_PATTERN = Pattern.compile("((\\d)*(\\d))h(our(s)?)?", Pattern.CASE_INSENSITIVE); |
| private static final Pattern MINUTES_REGEX_PATTERN = Pattern.compile("((\\d)*(\\d))m(in(ute(s)?)?)?", Pattern.CASE_INSENSITIVE); |
| private static final Pattern SECONDS_REGEX_PATTERN = Pattern.compile("((\\d)*(\\d))s(ec(ond)?(s)?)?", Pattern.CASE_INSENSITIVE); |
| |
| /** |
| * Utility classes should not have a public constructor. |
| */ |
| private TimePatternConverter() { |
| } |
| |
| public static long toMilliSeconds(String source) throws IllegalArgumentException { |
| long milliseconds = 0; |
| boolean foundFlag = false; |
| |
| checkCorrectnessOfPattern(source); |
| 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); |
| } else { |
| matcher = createMatcher(HOUR_REGEX_PATTERN, source); |
| if (matcher.find()) { |
| milliseconds = milliseconds + (3600000 * Long.valueOf(matcher.group(1))); |
| foundFlag = true; |
| } |
| |
| matcher = createMatcher(MINUTES_REGEX_PATTERN, source); |
| if (matcher.find()) { |
| long minutes = Long.valueOf(matcher.group(1)); |
| 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, source); |
| if (matcher.find()) { |
| long seconds = Long.valueOf(matcher.group(1)); |
| 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); |
| } |
| } |
| |
| return milliseconds; |
| } |
| |
| private static void checkCorrectnessOfPattern(String source) { |
| //replace only numbers once |
| Matcher matcher = createMatcher(NUMBERS_ONLY_STRING_PATTERN, source); |
| String replaceSource = matcher.replaceFirst(""); |
| |
| //replace hour string once |
| matcher = createMatcher(HOUR_REGEX_PATTERN, replaceSource); |
| if (matcher.find() && matcher.find()) { |
| throw new IllegalArgumentException("Hours should not be specified more then once: " + source); |
| } |
| replaceSource = matcher.replaceFirst(""); |
| |
| //replace minutes once |
| matcher = createMatcher(MINUTES_REGEX_PATTERN, replaceSource); |
| if (matcher.find() && matcher.find()) { |
| throw new IllegalArgumentException("Minutes should not be specified more then once: " + source); |
| } |
| replaceSource = matcher.replaceFirst(""); |
| |
| //replace seconds once |
| matcher = createMatcher(SECONDS_REGEX_PATTERN, replaceSource); |
| if (matcher.find() && matcher.find()) { |
| throw new IllegalArgumentException("Seconds should not be specified more then once: " + source); |
| } |
| replaceSource = matcher.replaceFirst(""); |
| |
| if (replaceSource.length() > 0) { |
| throw new IllegalArgumentException("Illegal characters: " + source); |
| } |
| } |
| |
| private static Matcher createMatcher(Pattern pattern, String source) { |
| return pattern.matcher(source); |
| } |
| } |