Java Timestamp Field getNanoString(Timestamp timestamp, boolean full, char nanoSep)

Description

Gets nano string suffix of a timestamp.

License

Apache License

Parameter

Parameter	Description
timestamp	the timestamp
nanoSep	a parameter

Declaration

private static String getNanoString(Timestamp timestamp, boolean full, char nanoSep) 

Method Source Code

//package com.java2s;
/*//from  w w w. j  a  v a2  s  . c o  m
 * Copyright 2007 - 2012 the original author or authors.
 *
 * 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.sql.Timestamp;

public class Main {
    /**
     * Gets nano string suffix of a timestamp.
     * 
     * @param timestamp the timestamp
     * @param nanoSep 
     */
    private static String getNanoString(Timestamp timestamp, boolean full, char nanoSep) {
        String zeros = "000000000";
        int nanos = timestamp.getNanos();
        String nanosString = Integer.toString(nanos);

        // Add leading zeros
        nanosString = zeros.substring(0, (9 - nanosString.length())) + nanosString;

        // Truncate trailing zeros
        char[] nanosChar = new char[nanosString.length()];
        nanosString.getChars(0, nanosString.length(), nanosChar, 0);
        int truncIndex = 8;
        while (truncIndex > 0 && nanosChar[truncIndex] == '0') {
            truncIndex--;
        }

        nanosString = nanoSep + new String(nanosChar, 0, truncIndex + 1);

        if (!full) {
            if (nanosString.length() > 4) {
                return nanosString.substring(0, 4);
            }
        }
        return nanosString;
    }
}

Related

1. getMonthEnd(Timestamp stamp, TimeZone timeZone, Locale locale)
2. getMonthLastDay(Timestamp day)
3. getMonthStart(java.sql.Timestamp stamp)
4. getMonthStartTimestamp(Date date)
5. getNanos(Timestamp timestamp)
6. getNbHours(Timestamp dateA, Timestamp dateB)
7. getNextDayStart(java.sql.Timestamp stamp)
8. getNextTimestamp(Timestamp previous, long nrDays)
9. getNotNullTimestampValue(String timestamp, String format)