justinwwhuang commented on code in PR #9135: URL: https://github.com/apache/inlong/pull/9135#discussion_r1374056506
########## inlong-agent/agent-plugins/src/main/java/org/apache/inlong/agent/plugin/utils/file/NewDateUtils.java: ########## @@ -0,0 +1,955 @@ +/* + * 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.inlong.agent.plugin.utils.file; + +import hirondelle.date4j.DateTime; +import org.apache.commons.lang.StringUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.text.ParseException; +import java.text.SimpleDateFormat; +import java.util.ArrayList; +import java.util.Calendar; +import java.util.Date; +import java.util.List; +import java.util.StringTokenizer; +import java.util.TimeZone; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +public class NewDateUtils { + + public static final String FULL_FORMAT = "yyyyMMddHHmmss"; + public static final String NULL_DATA_TIME = "000000000000"; + public static final String DEFAULT_FORMAT = "yyyyMMddHHmm"; + public static final String DEFAULT_TIME_ZONE = "Asia/Shanghai"; + private static final Logger logger = LoggerFactory.getLogger(NewDateUtils.class); + private static final String TIME_REGEX = "YYYY(?:.MM|MM)?(?:.DD|DD)?(?:.hh|hh)?(?:.mm|mm)?(?:" + + ".ss|ss)?"; + private static final String LIMIT_SEP = "(?<=[a-zA-Z])"; + private static final String LETTER_STR = "\\D+"; + private static final String DIGIT_STR = "[0-9]+"; + private static final Pattern pattern = Pattern.compile(TIME_REGEX, + Pattern.CASE_INSENSITIVE | Pattern.DOTALL | Pattern.MULTILINE); + private static final Pattern bracePatt = Pattern.compile("\\{(.*?)\\}"); + private static final int DEFAULT_LENGTH = "yyyyMMddHHmm".length(); + public static long DAY_TIMEOUT_INTERVAL = 2 * 24 * 3600 * 1000; + public static long HOUR_TIMEOUT_INTERVAL = 2 * 3600 * 1000; + // 数据源配置异常 */ + public static final String DATA_SOURCE_CONFIG_ERROR = "ERROR-0-TDAgent|10001|ERROR" + + "|ERROR_DATA_SOURCE_CONFIG|"; + + /* Return the time in milliseconds for a data time. */ + /* + * public static long getTimeInMillis(String dataTime) { if (dataTime == null) { return 0; } + * + * try { SimpleDateFormat dateFormat = new SimpleDateFormat(DEFAULT_FORMAT); Date date = dateFormat.parse(dataTime); + * + * return date.getTime(); } catch (ParseException e) { return 0; } } + */ + /* Return the format data time string from milliseconds. */ + /* + * public static String getDataTimeFromTimeMillis(long dataTime) { SimpleDateFormat dateFormat = new + * SimpleDateFormat(DEFAULT_FORMAT); return dateFormat.format(new Date(dataTime)); } + */ + /* Return the should start time for a data time log file. */ + public static String getShouldStartTime(String dataTime, String cycleUnit, + String offset) { + if (dataTime == null || dataTime.length() > 12) { + return null; + } + + SimpleDateFormat dateFormat = new SimpleDateFormat(DEFAULT_FORMAT); + TimeZone timeZone = TimeZone.getTimeZone(NewDateUtils.DEFAULT_TIME_ZONE); + dateFormat.setTimeZone(timeZone); + + if (dataTime.length() < DEFAULT_LENGTH) { + StringBuffer sb = new StringBuffer(); + for (int i = 0; i < DEFAULT_LENGTH - dataTime.length(); i++) { + sb.append("0"); + } + dataTime = dataTime + sb.toString(); + } + + Calendar calendar = Calendar.getInstance(); + try { + calendar.setTimeInMillis(dateFormat.parse(dataTime).getTime()); + } catch (ParseException e) { + return null; + } + + /* + * The delay should be added to the data time, so remove the - from offset. + */ + if (offset.startsWith("-")) { + offset = offset.substring(1, offset.length()); + } else { // 为正，配置提前读取文件 + offset = "-" + offset; + } + + return dateFormat + .format(new Date(getDateTime(calendar, cycleUnit, offset).getTimeInMillis())); + } + + private static Calendar getCurDate(String cycleUnit, String offset) { + if (cycleUnit == null || cycleUnit.length() == 0) { + return null; + } + + Calendar calendar = Calendar.getInstance(); + calendar.setTimeInMillis(System.currentTimeMillis()); + + return getDateTime(calendar, cycleUnit, offset); + } + + public static String getDateTime(String dataTime, String cycleUnit, String offset) { + String retTime = NewDateUtils.millSecConvertToTimeStr( + System.currentTimeMillis(), cycleUnit); + try { + long time = NewDateUtils.timeStrConvertTomillSec(dataTime, cycleUnit); + + Calendar calendar = Calendar.getInstance(); + calendar.setTimeInMillis(time); + Calendar retCalendar = getDateTime(calendar, cycleUnit, offset); + if (retCalendar == null) { + return dataTime; + } + + retTime = NewDateUtils.millSecConvertToTimeStr(retCalendar.getTime().getTime(), + cycleUnit); + } catch (Exception e) { + logger.error("getDateTime error: ", e); + } + return retTime; + } + + public static String getDateTime(long time, String cycleUnit, String offset) { + // String retTime = NewDateUtils.millSecConvertToTimeStr(System.currentTimeMillis(), + // cycleUnit); + + Calendar calendar = Calendar.getInstance(); + calendar.setTimeInMillis(time); + Calendar retCalendar = getDateTime(calendar, cycleUnit, offset); + return NewDateUtils.millSecConvertToTimeStr(retCalendar.getTime().getTime(), cycleUnit); + + // return retTime; + } + + private static Calendar getDateTime(Calendar calendar, String cycleUnit, String offset) { + int cycleNumber = (cycleUnit.length() <= 1 + ? 1 + : Integer.parseInt(cycleUnit.substring(0, cycleUnit.length() - 1))); + + String offsetUnit = offset.substring(offset.length() - 1, offset.length()); + int offsetNumber = Integer.parseInt(offset.substring(0, offset.length() - 1)); + + /* + * For day task, the offset cycle unit can only be day; for hourly task, the offset can't be minute; for + * minutely task, the offset cycle unit can be day, hour and minute, but if the offset cycle unit is minute, the + * offset must be divided by cycle number. + */ + // if (("D".equalsIgnoreCase(cycleUnit) && !"D".equalsIgnoreCase(offsetUnit))) { Review Comment: get -- This is an automated message from the Apache Git Service. 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