Java Millisecond Format formatTime(long millis)

Description

format Time

License

Apache License

Declaration

public static String formatTime(long millis) 

Method Source Code

//package com.java2s;
/*/* w w w  .  j  av  a2  s .  co  m*/
 * Copyright 1999-2012 Alibaba Group.
 * 
 * Licensed 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.
 */

import java.text.SimpleDateFormat;
import java.util.Date;

public class Main {
    public static final int ALIGN_RIGHT = 0;
    public static final int ALIGN_LEFT = 1;
    private static final char defaultSplitChar = ' ';
    private static final String[] timeFormat = new String[] { "d ", "h ", "m ", "s ", "ms" };
    private static final ThreadLocal<SimpleDateFormat> time = new ThreadLocal<SimpleDateFormat>() {
        @Override
        protected SimpleDateFormat initialValue() {
            return new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
        }
    };

    public static String formatTime(long millis, int precision) {
        long[] la = new long[5];
        la[0] = (millis / 86400000);// days
        la[1] = (millis / 3600000) % 24;// hours
        la[2] = (millis / 60000) % 60;// minutes
        la[3] = (millis / 1000) % 60;// seconds
        la[4] = (millis % 1000);// ms

        int index = 0;
        for (int i = 0; i < la.length; i++) {
            if (la[i] != 0) {
                index = i;
                break;
            }
        }

        StringBuilder buf = new StringBuilder();
        int validLength = la.length - index;
        for (int i = 0; (i < validLength && i < precision); i++) {
            buf.append(la[index]).append(timeFormat[index]);
            index++;
        }
        return buf.toString();
    }

    public static String formatTime(long millis) {
        return time.get().format(new Date(millis));
    }

    public static String format(String s, int fillLength) {
        return format(s, fillLength, defaultSplitChar, ALIGN_LEFT);
    }

    public static String format(int i, int fillLength) {
        return format(Integer.toString(i), fillLength, defaultSplitChar, ALIGN_RIGHT);
    }

    public static String format(long l, int fillLength) {
        return format(Long.toString(l), fillLength, defaultSplitChar, ALIGN_RIGHT);
    }

    public static String format(String s, int fillLength, char fillChar, int align) {
        if (s == null) {
            s = "";
        } else {
            s = s.trim();
        }
        int charLen = fillLength - s.length();
        if (charLen > 0) {
            char[] fills = new char[charLen];
            for (int i = 0; i < charLen; i++) {
                fills[i] = fillChar;
            }
            StringBuilder str = new StringBuilder(s);
            switch (align) {
            case ALIGN_RIGHT:
                str.insert(0, fills);
                break;
            case ALIGN_LEFT:
                str.append(fills);
                break;
            default:
                str.append(fills);
            }
            return str.toString();
        } else {
            return s;
        }
    }
}

Related

1. formatMillisTimeGMT(long millis)
2. formatSystemTime(long millis)
3. formattedMillis(long millis)
4. formatTime(long currentTimeMillis)
5. formatTime(long localCreationTimeMillis)
6. formatTime(long millis)
7. formatTimeInMillis(long millis)
8. formatTimeMillis(long millis)
9. formatTimeMillis(long timeMillis)