java 各种日期格式化工具

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package org.hsweb.commons.time;import org.joda.time.DateTime;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.*;import java.util.regex.Pattern;/** * 日期格式化工具 * * @author zhouhao */public interface DateFormatter {    List<DateFormatter> supportFormatter = new ArrayList<>(Arrays.asList(            /*            *常见格式            * */            // yyyyMMdd            new DefaultDateFormatter(Pattern.compile("[0-9]{4}[0-9]{2}[0-9]{2}"), "yyyyMMdd")            // yyyy-MM-dd            , new DefaultDateFormatter(Pattern.compile("[0-9]{4}-[0-9]{2}-[0-9]{2}"), "yyyy-MM-dd")            // yyyy/MM/dd            , new DefaultDateFormatter(Pattern.compile("[0-9]{4}/[0-9]{2}/[0-9]{2}"), "yyyy/MM/dd")            //yyyy年MM月dd日            , new DefaultDateFormatter(Pattern.compile("[0-9]{4}年[0-9]{2}月[0-9]{2}日"), "yyyy年MM月dd日")            //yyyy年M月d日            , new DefaultDateFormatter(Pattern.compile("[0-9]{4}年[0-9]月[0-9]日"), "yyyy年M月d日")            //yyyy年MM月d日            , new DefaultDateFormatter(Pattern.compile("[0-9]{4}年[0-9]{2}月[0-9]日"), "yyyy年MM月d日")            //yyyy年M月dd日            , new DefaultDateFormatter(Pattern.compile("[0-9]{4}年[0-9]月[0-9]{2}日"), "yyyy年M月dd日")            // yyyy-M-d            , new DefaultDateFormatter(Pattern.compile("[0-9]{4}-[0-9]-[0-9]"), "yyyy-M-d")            // yyyy-MM-d            , new DefaultDateFormatter(Pattern.compile("[0-9]{4}-[0-9]{2}-[0-9]"), "yyyy-MM-d")            // yyyy-M-dd            , new DefaultDateFormatter(Pattern.compile("[0-9]{4}-[0-9]-[0-9]{2}"), "yyyy-M-dd")            // yyyy/M/d            , new DefaultDateFormatter(Pattern.compile("[0-9]{4}/[0-9]/[0-9]"), "yyyy/M/d")            // yyyy/MM/d            , new DefaultDateFormatter(Pattern.compile("[0-9]{4}/[0-9]{2}/[0-9]"), "yyyy/MM/d")            // yyyy/M/dd            , new DefaultDateFormatter(Pattern.compile("[0-9]{4}/[0-9]/[0-9]{2}"), "yyyy/M/dd")            // yyyy-MM-dd HH:mm:ss            , new DefaultDateFormatter(Pattern.compile("[0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2}"), "yyyy-MM-dd HH:mm:ss")            // yyyy/MM/dd HH:mm:ss            , new DefaultDateFormatter(Pattern.compile("[0-9]{4}/[0-9]{2}/[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2}"), "yyyy/MM/dd HH:mm:ss")            // yyyy-MM-dd HH:mm:ssZ            , new DefaultDateFormatter(Pattern.compile("[0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2}\\+[0-9]{4}"), "yyyy-MM-dd HH:mm:ssZ")            //yyyy-MM-dd'T'HH:mm:ss            , new DefaultDateFormatter(Pattern.compile("[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}"), "yyyy-MM-dd'T'HH:mm:ss")            //yyyy-MM-dd'T'HH:mm:ssZ            , new DefaultDateFormatter(Pattern.compile("[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}\\+[0-9]{4}"), "yyyy-MM-dd'T'HH:mm:ssZ")            //yyyy年MM月dd日HH时mm分ss秒            , new DefaultDateFormatter(Pattern.compile("[0-9]{4}年[0-9]{2}月[0-9]{2}日[0-9]{2}时[0-9]{2}分[0-9]{2}秒"), "yyyy年MM月dd日HH时mm分ss秒")            //yyyy年MM月dd日 HH时mm分ss秒            , new DefaultDateFormatter(Pattern.compile("[0-9]{4}年[0-9]{2}月[0-9]{2}日 [0-9]{2}时[0-9]{2}分[0-9]{2}秒"), "yyyy年MM月dd日 HH时mm分ss秒")            // HH:mm:ss            , new DefaultDateFormatter(Pattern.compile("[0-9]{2}:[0-9]{2}:[0-9]{2}"), "HH:mm:ss")            /*            * 奇奇怪怪的格式            * */            // yyyyMMdd HH:mm:dd            , new DefaultDateFormatter(Pattern.compile("[0-9]{4}[0-9]{2}[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2}"), "yyyyMMdd HH:mm:ss")            // yyyyMMddHHmmdd            , new DefaultDateFormatter(Pattern.compile("[0-9]{4}[0-9]{2}[0-9]{2}[0-9]{2}[0-9]{2}[0-9]{2}"), "yyyyMMddHHmmdd")            // yyyyMMdd HHmmdd            , new DefaultDateFormatter(Pattern.compile("[0-9]{4}[0-9]{2}[0-9]{2} [0-9]{2}[0-9]{2}[0-9]{2}"), "yyyyMMdd HHmmdd")            //yyyy年 MM月 dd日 EEE HH:mm:ss 'CST'            , new SampleJDKDateFormatter(str -> str.contains("年") && str.contains("CST") && str.split("[ ]").length == 6, () -> new SimpleDateFormat("yyyy年 MM月 dd日 EEE HH:mm:ss 'CST'", Locale.CHINESE))            //yyyy年 MM月 dd日 EEE HH:mm:ss 'GMT'            , new SampleJDKDateFormatter(str -> str.contains("年") && str.contains("GMT") && str.split("[ ]").length == 6, () -> new SimpleDateFormat("yyyy年 MM月 dd日 EEE HH:mm:ss 'GMT'", Locale.CHINESE))            //EEE MMM ddHH:mm:ss 'CST' yyyy            , new SampleJDKDateFormatter(str -> str.contains("CST") && str.split("[ ]").length == 6, () -> new SimpleDateFormat("EEE MMM dd HH:mm:ss 'CST' yyyy", Locale.US))            //EEE MMM ddHH:mm:ss 'GMT' yyyy            , new SampleJDKDateFormatter(str -> str.contains("GMT") && str.split("[ ]").length == 6, () -> new SimpleDateFormat("EEE MMM dd HH:mm:ss 'GMT' yyyy", Locale.US))            //MMM d, yyyy K:m:s a            , new SampleJDKDateFormatter(str -> str.endsWith("AM") || str.endsWith("PM") && str.split("[ ]").length == 5, () -> new SimpleDateFormat("MMM d, yyyy K:m:s a", Locale.ENGLISH))    ));    boolean support(String str);    Date format(String str);    String toString(Date date);    String getPattern();    static Date fromString(String dateString) {        DateFormatter formatter = getFormatter(dateString);        if (formatter != null)            return formatter.format(dateString);        return null;    }    static Date fromString(String dateString, String pattern) {        try {            return new SimpleDateFormat(pattern).parse(dateString);        } catch (ParseException e) {            e.printStackTrace();            return null;        }    }    static String toString(Date date, String format) {        if (null == date) return null;        for (DateFormatter formatter : supportFormatter) {            if (formatter.getPattern().equals(format))                return formatter.toString(date);        }        return new DateTime(date).toString(format);    }    static boolean isSupport(String dateString) {        return !(dateString == null || dateString.length() < 4) && supportFormatter.parallelStream().anyMatch(formatter -> formatter.support(dateString));    }    static DateFormatter getFormatter(String dateString) {        if (dateString == null || dateString.length() < 4) return null;        for (DateFormatter formatter : supportFormatter) {            if (formatter.support(dateString))                return formatter;        }        return null;    }}
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